<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019ed66e-fe87-7d10-9737-7a15fe917eae,g:4ee7344b-b410-40fc-a949-8441e911877c-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.mt.com/role/Cover" xlink:type="simple" xlink:href="mtd-20260626.xsd#Cover"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019ed674-b836-71e9-b6b4-c60cc8398dba" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019ed674-b836-7d1c-a05f-774700996c74" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019ed674-b836-71e9-b6b4-c60cc8398dba" xlink:to="loc_dei_DocumentInformationTable_019ed674-b836-7d1c-a05f-774700996c74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-7fe3-808a-147d620e4735" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_019ed674-b836-7d1c-a05f-774700996c74" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-7fe3-808a-147d620e4735" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-7808-84a9-37178bbdc77e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-7fe3-808a-147d620e4735" xlink:to="loc_dei_EntityDomain_019ed674-b836-7808-84a9-37178bbdc77e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-7832-9f75-9c3041c479f1" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-7808-84a9-37178bbdc77e" xlink:to="loc_mtd_EBP031Member_019ed674-b836-7832-9f75-9c3041c479f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_019ed674-b836-75e5-87c2-1d57195e51ac" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_019ed674-b836-7d1c-a05f-774700996c74" xlink:to="loc_dei_DocumentInformationLineItems_019ed674-b836-75e5-87c2-1d57195e51ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019ed674-b836-78c6-826f-4ea331a6d28e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019ed674-b836-75e5-87c2-1d57195e51ac" xlink:to="loc_dei_DocumentType_019ed674-b836-78c6-826f-4ea331a6d28e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019ed674-b836-7622-a759-a9f280eed441" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019ed674-b836-75e5-87c2-1d57195e51ac" xlink:to="loc_dei_EntityRegistrantName_019ed674-b836-7622-a759-a9f280eed441" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019ed674-b836-7d3d-9822-7414885b42ce" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019ed674-b836-75e5-87c2-1d57195e51ac" xlink:to="loc_dei_AmendmentFlag_019ed674-b836-7d3d-9822-7414885b42ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019ed674-b836-76de-b81b-b13ef771659f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019ed674-b836-75e5-87c2-1d57195e51ac" xlink:to="loc_dei_EntityCentralIndexKey_019ed674-b836-76de-b81b-b13ef771659f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/StatementsofNetAssetsAvailableforBenefitsModifiedCashBasis" xlink:type="simple" xlink:href="mtd-20260626.xsd#StatementsofNetAssetsAvailableforBenefitsModifiedCashBasis"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/StatementsofNetAssetsAvailableforBenefitsModifiedCashBasis" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract_019ed674-b836-7383-b6b5-93a728c3033c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_019ed674-b836-7a05-a7fe-cb07b25628aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract_019ed674-b836-7383-b6b5-93a728c3033c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_019ed674-b836-7a05-a7fe-cb07b25628aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-7e4a-bf6f-1b004862f625" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_019ed674-b836-7a05-a7fe-cb07b25628aa" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-7e4a-bf6f-1b004862f625" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-716a-9aea-d8a746b02e38" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-7e4a-bf6f-1b004862f625" xlink:to="loc_dei_EntityDomain_019ed674-b836-716a-9aea-d8a746b02e38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-765b-abf2-04fe629b9994" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-716a-9aea-d8a746b02e38" xlink:to="loc_mtd_EBP031Member_019ed674-b836-765b-abf2-04fe629b9994" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_019ed674-b836-79fc-a7d7-9d84061999eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_019ed674-b836-7a05-a7fe-cb07b25628aa" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_019ed674-b836-79fc-a7d7-9d84061999eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_019ed678-33ce-79a0-9515-83c32cea3478" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_019ed674-b836-79fc-a7d7-9d84061999eb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_019ed678-33ce-79a0-9515-83c32cea3478" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_019ed678-9198-7725-9aee-4f13708842f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_019ed678-33ce-79a0-9515-83c32cea3478" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_019ed678-9198-7725-9aee-4f13708842f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable_019ed6ae-7fb0-7862-b6e1-8a4676f51389" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanOtherReceivable"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_019ed678-33ce-79a0-9515-83c32cea3478" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable_019ed6ae-7fb0-7862-b6e1-8a4676f51389" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant_019ed679-391a-7078-973d-8aaa069a2f52" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_019ed678-33ce-79a0-9515-83c32cea3478" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant_019ed679-391a-7078-973d-8aaa069a2f52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019ed678-ca0d-7765-9e7b-83344a2ef781" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_019ed678-33ce-79a0-9515-83c32cea3478" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019ed678-ca0d-7765-9e7b-83344a2ef781" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/StatementsofChangesinNetAssetsAvailableforBenefitsModifiedCashBasis" xlink:type="simple" xlink:href="mtd-20260626.xsd#StatementsofChangesinNetAssetsAvailableforBenefitsModifiedCashBasis"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/StatementsofChangesinNetAssetsAvailableforBenefitsModifiedCashBasis" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract_019ed674-b836-7d95-a71b-398a03427c6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_019ed674-b836-74c7-9975-ffb5350ae42d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract_019ed674-b836-7d95-a71b-398a03427c6b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_019ed674-b836-74c7-9975-ffb5350ae42d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-76c4-95e4-a6b5b68d1f40" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_019ed674-b836-74c7-9975-ffb5350ae42d" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-76c4-95e4-a6b5b68d1f40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-7bbb-8df4-dc732711ba1d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-76c4-95e4-a6b5b68d1f40" xlink:to="loc_dei_EntityDomain_019ed674-b836-7bbb-8df4-dc732711ba1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-7bff-93e4-ea1a6c8c6e72" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-7bbb-8df4-dc732711ba1d" xlink:to="loc_mtd_EBP031Member_019ed674-b836-7bff-93e4-ea1a6c8c6e72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019ed674-b836-7abc-b3f1-03452041f579" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_019ed674-b836-74c7-9975-ffb5350ae42d" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019ed674-b836-7abc-b3f1-03452041f579" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019ed67c-7419-7d28-9c6c-08faa27bee9b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019ed674-b836-7abc-b3f1-03452041f579" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019ed67c-7419-7d28-9c6c-08faa27bee9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestmentAbstract_019ed67c-7419-7b0d-8992-edb8483a4e73" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestmentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019ed67c-7419-7d28-9c6c-08faa27bee9b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestmentAbstract_019ed67c-7419-7b0d-8992-edb8483a4e73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment_019ed67c-7419-70e4-9a14-5bde0a6bee79" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestmentAbstract_019ed67c-7419-7b0d-8992-edb8483a4e73" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment_019ed67c-7419-70e4-9a14-5bde0a6bee79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_019ed67c-7419-7562-8343-9d711047f7c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestmentAbstract_019ed67c-7419-7b0d-8992-edb8483a4e73" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_019ed67c-7419-7562-8343-9d711047f7c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_019ed67c-7419-72c7-b33a-459276501b8f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestmentAbstract_019ed67c-7419-7b0d-8992-edb8483a4e73" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_019ed67c-7419-72c7-b33a-459276501b8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPChangeInNetAssetAvailableForBenefitParticipantLoanActivityAbstract_019ed687-df55-710f-bf37-9a6933cc0fa6" xlink:href="mtd-20260626.xsd#mtd_EBPChangeInNetAssetAvailableForBenefitParticipantLoanActivityAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019ed67c-7419-7d28-9c6c-08faa27bee9b" xlink:to="loc_mtd_EBPChangeInNetAssetAvailableForBenefitParticipantLoanActivityAbstract_019ed687-df55-710f-bf37-9a6933cc0fa6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant_019ed683-0395-7116-b230-90adc376d9eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPChangeInNetAssetAvailableForBenefitParticipantLoanActivityAbstract_019ed687-df55-710f-bf37-9a6933cc0fa6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant_019ed683-0395-7116-b230-90adc376d9eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionAbstract_019ed67c-7419-7033-b931-410ab0fc5795" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019ed67c-7419-7d28-9c6c-08faa27bee9b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionAbstract_019ed67c-7419-7033-b931-410ab0fc5795" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash_019ed67c-7419-711f-9f30-1ed8938f77b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionAbstract_019ed67c-7419-7033-b931-410ab0fc5795" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash_019ed67c-7419-711f-9f30-1ed8938f77b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover_019ed67c-7419-7def-9ab6-6e9b33b53099" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionAbstract_019ed67c-7419-7033-b931-410ab0fc5795" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover_019ed67c-7419-7def-9ab6-6e9b33b53099" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover_019ed67c-7419-7318-91d8-49342d17051b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionAbstract_019ed67c-7419-7033-b931-410ab0fc5795" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover_019ed67c-7419-7318-91d8-49342d17051b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution_019ed67c-7419-7cb0-b120-705a055c1552" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionAbstract_019ed67c-7419-7033-b931-410ab0fc5795" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution_019ed67c-7419-7cb0-b120-705a055c1552" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease_019ed683-c7cd-7b53-9ee1-93c67a2e82cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionAbstract_019ed67c-7419-7033-b931-410ab0fc5795" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease_019ed683-c7cd-7b53-9ee1-93c67a2e82cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_019ed67c-7419-7243-9f78-e7593dd331b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019ed674-b836-7abc-b3f1-03452041f579" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_019ed67c-7419-7243-9f78-e7593dd331b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant_019ed67c-7419-7f27-a77b-5a9579eabc32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_019ed67c-7419-7243-9f78-e7593dd331b8" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant_019ed67c-7419-7f27-a77b-5a9579eabc32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense_019ed67c-7419-7aef-9070-f5916a717bee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_019ed67c-7419-7243-9f78-e7593dd331b8" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense_019ed67c-7419-7aef-9070-f5916a717bee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease_019ed67c-7419-7d6c-a96d-601c36c3e2aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_019ed67c-7419-7243-9f78-e7593dd331b8" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease_019ed67c-7419-7d6c-a96d-601c36c3e2aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease_019ed67c-7419-77dd-ac3c-55e0a29a9222" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019ed674-b836-7abc-b3f1-03452041f579" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease_019ed67c-7419-77dd-ac3c-55e0a29a9222" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitTransferToFromExternalPlan_019ed67c-7419-7d64-bb1e-0b108f641b77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitTransferToFromExternalPlan"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019ed674-b836-7abc-b3f1-03452041f579" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitTransferToFromExternalPlan_019ed67c-7419-7d64-bb1e-0b108f641b77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019ed67c-7419-7fb8-9ac5-515bc47ad786" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019ed674-b836-7abc-b3f1-03452041f579" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019ed67c-7419-7fb8-9ac5-515bc47ad786" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019ed67c-7419-715e-99aa-3c1d6bb7a0e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019ed674-b836-7abc-b3f1-03452041f579" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019ed67c-7419-715e-99aa-3c1d6bb7a0e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/DescriptionofPlan" xlink:type="simple" xlink:href="mtd-20260626.xsd#DescriptionofPlan"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/DescriptionofPlan" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract_019ed674-b836-7c5d-8b1a-91989d9deb58" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019ed674-b836-75f2-8c91-dd33da0e09f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract_019ed674-b836-7c5d-8b1a-91989d9deb58" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019ed674-b836-75f2-8c91-dd33da0e09f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-7148-af24-b9eab199fdef" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019ed674-b836-75f2-8c91-dd33da0e09f7" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-7148-af24-b9eab199fdef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-7a3e-ab80-6bb2f2c78d24" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-7148-af24-b9eab199fdef" xlink:to="loc_dei_EntityDomain_019ed674-b836-7a3e-ab80-6bb2f2c78d24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-784e-95cf-5f052a3b556c" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-7a3e-ab80-6bb2f2c78d24" xlink:to="loc_mtd_EBP031Member_019ed674-b836-784e-95cf-5f052a3b556c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019ed674-b836-7f47-8c61-d5736ade7f50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019ed674-b836-75f2-8c91-dd33da0e09f7" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019ed674-b836-7f47-8c61-d5736ade7f50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock_019ed674-b836-768e-b613-c1c4c3fee6be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019ed674-b836-7f47-8c61-d5736ade7f50" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock_019ed674-b836-768e-b613-c1c4c3fee6be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/SummaryofSignificantAccountingPolicies" xlink:type="simple" xlink:href="mtd-20260626.xsd#SummaryofSignificantAccountingPolicies"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/SummaryofSignificantAccountingPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract_019ed674-b836-7918-961f-1e6209a85286" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed674-b836-7591-b580-eafb9fc699a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract_019ed674-b836-7918-961f-1e6209a85286" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed674-b836-7591-b580-eafb9fc699a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-7c26-bfcf-1c9881828747" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed674-b836-7591-b580-eafb9fc699a0" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-7c26-bfcf-1c9881828747" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-7e24-aa98-b73e40a2ebf2" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-7c26-bfcf-1c9881828747" xlink:to="loc_dei_EntityDomain_019ed674-b836-7e24-aa98-b73e40a2ebf2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-7ebc-9c24-3cf9768a6bd6" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-7e24-aa98-b73e40a2ebf2" xlink:to="loc_mtd_EBP031Member_019ed674-b836-7ebc-9c24-3cf9768a6bd6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7993-a4b6-ec64472ff19f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed674-b836-7591-b580-eafb9fc699a0" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7993-a4b6-ec64472ff19f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock_019ed674-b836-78d4-b970-0787ca3f942c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7993-a4b6-ec64472ff19f" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock_019ed674-b836-78d4-b970-0787ca3f942c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/FairValueMeasurements" xlink:type="simple" xlink:href="mtd-20260626.xsd#FairValueMeasurements"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/FairValueMeasurements" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract_019ed674-b836-7dd4-95e2-66bc0122d231" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-784e-9300-3c89e6e2877c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract_019ed674-b836-7dd4-95e2-66bc0122d231" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-784e-9300-3c89e6e2877c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-761c-ba3e-407854a929c1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-784e-9300-3c89e6e2877c" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-761c-ba3e-407854a929c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-7bff-b828-4e2225b72576" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-761c-ba3e-407854a929c1" xlink:to="loc_dei_EntityDomain_019ed674-b836-7bff-b828-4e2225b72576" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-73c0-a7ea-341776a65a41" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-7bff-b828-4e2225b72576" xlink:to="loc_mtd_EBP031Member_019ed674-b836-73c0-a7ea-341776a65a41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019ed674-b836-7162-ab75-0db5200f4348" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-784e-9300-3c89e6e2877c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019ed674-b836-7162-ab75-0db5200f4348" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock_019ed674-b836-7810-b263-635ba7602e82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019ed674-b836-7162-ab75-0db5200f4348" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock_019ed674-b836-7810-b263-635ba7602e82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/TransactionswithPartiesinInterest" xlink:type="simple" xlink:href="mtd-20260626.xsd#TransactionswithPartiesinInterest"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/TransactionswithPartiesinInterest" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract_019ed674-b836-79c3-ba85-882c1608f8ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019ed674-b836-788b-a29d-0d41da75de0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract_019ed674-b836-79c3-ba85-882c1608f8ef" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019ed674-b836-788b-a29d-0d41da75de0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-7009-8e04-2e87eff68228" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019ed674-b836-788b-a29d-0d41da75de0b" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-7009-8e04-2e87eff68228" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-7670-8c3e-f98c91669331" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-7009-8e04-2e87eff68228" xlink:to="loc_dei_EntityDomain_019ed674-b836-7670-8c3e-f98c91669331" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-7713-924f-26d4e5ad2f5f" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-7670-8c3e-f98c91669331" xlink:to="loc_mtd_EBP031Member_019ed674-b836-7713-924f-26d4e5ad2f5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019ed674-b836-728a-b373-708f8a1535f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019ed674-b836-788b-a29d-0d41da75de0b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019ed674-b836-728a-b373-708f8a1535f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock_019ed674-b836-7e52-a6e0-24d390b4f7d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019ed674-b836-728a-b373-708f8a1535f3" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock_019ed674-b836-7e52-a6e0-24d390b4f7d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/PlanTermination" xlink:type="simple" xlink:href="mtd-20260626.xsd#PlanTermination"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/PlanTermination" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPPlanTerminationAbstract_019ed69f-8b4a-7aae-ac81-20ee39a83f45" xlink:href="mtd-20260626.xsd#mtd_EBPPlanTerminationAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPPlanTerminationTable_019ed6a0-698a-77e8-a21e-c8aac7b44687" xlink:href="mtd-20260626.xsd#mtd_EBPPlanTerminationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPPlanTerminationAbstract_019ed69f-8b4a-7aae-ac81-20ee39a83f45" xlink:to="loc_mtd_EBPPlanTerminationTable_019ed6a0-698a-77e8-a21e-c8aac7b44687" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed6a0-9906-7a52-938b-966714094238" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPPlanTerminationTable_019ed6a0-698a-77e8-a21e-c8aac7b44687" xlink:to="loc_dei_LegalEntityAxis_019ed6a0-9906-7a52-938b-966714094238" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed6a0-b49c-7bc9-a266-501f05926cfc" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed6a0-9906-7a52-938b-966714094238" xlink:to="loc_dei_EntityDomain_019ed6a0-b49c-7bc9-a266-501f05926cfc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed6a0-c571-7bb7-9c9b-70cf773c100a" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed6a0-b49c-7bc9-a266-501f05926cfc" xlink:to="loc_mtd_EBP031Member_019ed6a0-c571-7bb7-9c9b-70cf773c100a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPPlanTerminationLineItems_019ed6a1-4bb3-7c9e-94cc-16e929f6d853" xlink:href="mtd-20260626.xsd#mtd_EBPPlanTerminationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPPlanTerminationTable_019ed6a0-698a-77e8-a21e-c8aac7b44687" xlink:to="loc_mtd_EBPPlanTerminationLineItems_019ed6a1-4bb3-7c9e-94cc-16e929f6d853" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock_019ed6a0-24e2-7e8a-b205-2f8874f274af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPPlanTerminationLineItems_019ed6a1-4bb3-7c9e-94cc-16e929f6d853" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock_019ed6a0-24e2-7e8a-b205-2f8874f274af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/TaxStatus" xlink:type="simple" xlink:href="mtd-20260626.xsd#TaxStatus"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/TaxStatus" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract_019ed674-b836-732c-9883-aac98b4c3c83" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable_019ed674-b836-7bfc-a551-31c4461ced39" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract_019ed674-b836-732c-9883-aac98b4c3c83" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable_019ed674-b836-7bfc-a551-31c4461ced39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-70da-83b3-4c9ce3bdbce1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable_019ed674-b836-7bfc-a551-31c4461ced39" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-70da-83b3-4c9ce3bdbce1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-7773-b728-61c666931eaf" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-70da-83b3-4c9ce3bdbce1" xlink:to="loc_dei_EntityDomain_019ed674-b836-7773-b728-61c666931eaf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-7615-b906-4a1f0af79c7c" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-7773-b728-61c666931eaf" xlink:to="loc_mtd_EBP031Member_019ed674-b836-7615-b906-4a1f0af79c7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems_019ed674-b836-7dd2-8ab2-b83a17339a91" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable_019ed674-b836-7bfc-a551-31c4461ced39" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems_019ed674-b836-7dd2-8ab2-b83a17339a91" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock_019ed674-b836-7a6d-9d6f-11f37775d890" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems_019ed674-b836-7dd2-8ab2-b83a17339a91" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock_019ed674-b836-7a6d-9d6f-11f37775d890" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/WithdrawingParticipants" xlink:type="simple" xlink:href="mtd-20260626.xsd#WithdrawingParticipants"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/WithdrawingParticipants" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPWithdrawingParticipantsAbstract_019ed6f9-8b38-774c-9d0c-a80d95fd3ba8" xlink:href="mtd-20260626.xsd#mtd_EBPWithdrawingParticipantsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPWithdrawingParticipantsTable_019ed6fb-d029-78a9-88d9-70a24eb10d68" xlink:href="mtd-20260626.xsd#mtd_EBPWithdrawingParticipantsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPWithdrawingParticipantsAbstract_019ed6f9-8b38-774c-9d0c-a80d95fd3ba8" xlink:to="loc_mtd_EBPWithdrawingParticipantsTable_019ed6fb-d029-78a9-88d9-70a24eb10d68" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed6fb-f2e8-7427-aa81-ea7b808cf8c5" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPWithdrawingParticipantsTable_019ed6fb-d029-78a9-88d9-70a24eb10d68" xlink:to="loc_dei_LegalEntityAxis_019ed6fb-f2e8-7427-aa81-ea7b808cf8c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed6fc-0c52-7b0f-82c3-6a17c9afa65e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed6fb-f2e8-7427-aa81-ea7b808cf8c5" xlink:to="loc_dei_EntityDomain_019ed6fc-0c52-7b0f-82c3-6a17c9afa65e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed6fc-20f6-711c-b46a-326402b2da19" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed6fc-0c52-7b0f-82c3-6a17c9afa65e" xlink:to="loc_mtd_EBP031Member_019ed6fc-20f6-711c-b46a-326402b2da19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPWithdawingParticipantsLineItems_019ed6fc-566b-748e-ab2d-cdc0258f684c" xlink:href="mtd-20260626.xsd#mtd_EBPWithdawingParticipantsLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPWithdrawingParticipantsTable_019ed6fb-d029-78a9-88d9-70a24eb10d68" xlink:to="loc_mtd_EBPWithdawingParticipantsLineItems_019ed6fc-566b-748e-ab2d-cdc0258f684c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPWithdrawingParticipantsTextBlock_019ed6fb-4c54-744d-b9b0-4260580425e8" xlink:href="mtd-20260626.xsd#mtd_EBPWithdrawingParticipantsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPWithdawingParticipantsLineItems_019ed6fc-566b-748e-ab2d-cdc0258f684c" xlink:to="loc_mtd_EBPWithdrawingParticipantsTextBlock_019ed6fb-4c54-744d-b9b0-4260580425e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/AssetTransferIn" xlink:type="simple" xlink:href="mtd-20260626.xsd#AssetTransferIn"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/AssetTransferIn" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPAssetTransferInAbstract_019ed71c-e2ff-7f93-a8a4-003d1a60aa73" xlink:href="mtd-20260626.xsd#mtd_EBPAssetTransferInAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_AssetTransferInTable_019ed71e-06c2-74c0-9c68-b79f11709208" xlink:href="mtd-20260626.xsd#mtd_AssetTransferInTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPAssetTransferInAbstract_019ed71c-e2ff-7f93-a8a4-003d1a60aa73" xlink:to="loc_mtd_AssetTransferInTable_019ed71e-06c2-74c0-9c68-b79f11709208" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed71e-2e5d-7d6b-86db-143d9d3ab45c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_AssetTransferInTable_019ed71e-06c2-74c0-9c68-b79f11709208" xlink:to="loc_dei_LegalEntityAxis_019ed71e-2e5d-7d6b-86db-143d9d3ab45c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed71e-48d0-7f17-80a5-6a6b62ee3d58" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed71e-2e5d-7d6b-86db-143d9d3ab45c" xlink:to="loc_dei_EntityDomain_019ed71e-48d0-7f17-80a5-6a6b62ee3d58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed71e-5ee4-7d6d-8e46-960360ad6b05" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed71e-48d0-7f17-80a5-6a6b62ee3d58" xlink:to="loc_mtd_EBP031Member_019ed71e-5ee4-7d6d-8e46-960360ad6b05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_AssetTransferInLineItems_019ed71e-81e2-7375-9059-8e36697dc376" xlink:href="mtd-20260626.xsd#mtd_AssetTransferInLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_AssetTransferInTable_019ed71e-06c2-74c0-9c68-b79f11709208" xlink:to="loc_mtd_AssetTransferInLineItems_019ed71e-81e2-7375-9059-8e36697dc376" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPAssetTransferInTextBlock_019ed71d-d76d-751b-8774-d7a2c315b3e1" xlink:href="mtd-20260626.xsd#mtd_EBPAssetTransferInTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_AssetTransferInLineItems_019ed71e-81e2-7375-9059-8e36697dc376" xlink:to="loc_mtd_EBPAssetTransferInTextBlock_019ed71d-d76d-751b-8774-d7a2c315b3e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/Form5500ScheduleHLine4a" xlink:type="simple" xlink:href="mtd-20260626.xsd#Form5500ScheduleHLine4a"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/Form5500ScheduleHLine4a" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionAbstract_019ed6a7-0f0a-73cc-aa78-04c12282d490" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable_019ed6a7-0f0a-7037-83ef-d639680c18e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionAbstract_019ed6a7-0f0a-73cc-aa78-04c12282d490" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable_019ed6a7-0f0a-7037-83ef-d639680c18e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed6a7-0f0a-7209-aadd-a0b803196ddc" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable_019ed6a7-0f0a-7037-83ef-d639680c18e9" xlink:to="loc_dei_LegalEntityAxis_019ed6a7-0f0a-7209-aadd-a0b803196ddc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed6a7-0f0a-7d33-9396-4b21c0e2b56f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed6a7-0f0a-7209-aadd-a0b803196ddc" xlink:to="loc_dei_EntityDomain_019ed6a7-0f0a-7d33-9396-4b21c0e2b56f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed6b7-8954-7205-926d-3e117383d8a8" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed6a7-0f0a-7d33-9396-4b21c0e2b56f" xlink:to="loc_mtd_EBP031Member_019ed6b7-8954-7205-926d-3e117383d8a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-7ea2-89f9-ce3c50253407" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable_019ed6a7-0f0a-7037-83ef-d639680c18e9" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-7ea2-89f9-ce3c50253407" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTableTextBlock_019ed6a7-0f0a-7272-b0d9-1617611a18f4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-7ea2-89f9-ce3c50253407" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTableTextBlock_019ed6a7-0f0a-7272-b0d9-1617611a18f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/Form5500ScheduleHLine4i" xlink:type="simple" xlink:href="mtd-20260626.xsd#Form5500ScheduleHLine4i"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/Form5500ScheduleHLine4i" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract_019ed674-b836-7c76-a298-8ef93d1f3069" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019ed674-b836-7839-961a-31c0daf86acb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract_019ed674-b836-7c76-a298-8ef93d1f3069" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019ed674-b836-7839-961a-31c0daf86acb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-7062-ac15-48655fdc4d51" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019ed674-b836-7839-961a-31c0daf86acb" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-7062-ac15-48655fdc4d51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-75f0-93e9-45095bdcda5b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-7062-ac15-48655fdc4d51" xlink:to="loc_dei_EntityDomain_019ed674-b836-75f0-93e9-45095bdcda5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-766b-b5d7-0ad64af3df81" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-75f0-93e9-45095bdcda5b" xlink:to="loc_mtd_EBP031Member_019ed674-b836-766b-b5d7-0ad64af3df81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019ed674-b836-77da-8496-9473549b0925" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019ed674-b836-7839-961a-31c0daf86acb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019ed674-b836-77da-8496-9473549b0925" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock_019ed674-b836-7df7-843f-c55d68708a1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019ed674-b836-77da-8496-9473549b0925" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock_019ed674-b836-7df7-843f-c55d68708a1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/SummaryofSignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="mtd-20260626.xsd#SummaryofSignificantAccountingPoliciesPolicies"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/SummaryofSignificantAccountingPoliciesPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract_019ed674-b836-7512-a5d0-9bbec9fbbdac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed674-b836-79ee-9b27-850c74636d44" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract_019ed674-b836-7512-a5d0-9bbec9fbbdac" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed674-b836-79ee-9b27-850c74636d44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-7c52-ac97-649ffcbef1fd" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed674-b836-79ee-9b27-850c74636d44" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-7c52-ac97-649ffcbef1fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-7bcb-acf8-779b2a02365a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-7c52-ac97-649ffcbef1fd" xlink:to="loc_dei_EntityDomain_019ed674-b836-7bcb-acf8-779b2a02365a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-7a87-a71c-3e40c89040bb" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-7bcb-acf8-779b2a02365a" xlink:to="loc_mtd_EBP031Member_019ed674-b836-7a87-a71c-3e40c89040bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7ab3-9508-a935d7812f2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed674-b836-79ee-9b27-850c74636d44" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7ab3-9508-a935d7812f2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock_019ed68d-9e97-7592-ba2b-d646a4df4fdf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7ab3-9508-a935d7812f2b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock_019ed68d-9e97-7592-ba2b-d646a4df4fdf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock_019ed68d-eb1c-7a08-bccc-a2c60bde4937" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7ab3-9508-a935d7812f2b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock_019ed68d-eb1c-7a08-bccc-a2c60bde4937" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock_019ed68f-a39c-7ee0-86c3-46c852b329ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7ab3-9508-a935d7812f2b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock_019ed68f-a39c-7ee0-86c3-46c852b329ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanContributionPolicyTextBlock_019ed68e-68b9-708b-be6e-3a2549758b30" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanContributionPolicyTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7ab3-9508-a935d7812f2b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanContributionPolicyTextBlock_019ed68e-68b9-708b-be6e-3a2549758b30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock_019ed68e-9895-7d81-b88a-9240e1c8f2d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7ab3-9508-a935d7812f2b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock_019ed68e-9895-7d81-b88a-9240e1c8f2d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock_019ed690-031e-711f-bdba-f74428b9b2c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7ab3-9508-a935d7812f2b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock_019ed690-031e-711f-bdba-f74428b9b2c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock_019ed68e-eff1-7bf0-a949-6e65f97cdab2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7ab3-9508-a935d7812f2b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock_019ed68e-eff1-7bf0-a949-6e65f97cdab2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock_019ed68f-566a-7d5c-910f-3d11afa0fd38" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed674-b836-7ab3-9508-a935d7812f2b" xlink:to="loc_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock_019ed68f-566a-7d5c-910f-3d11afa0fd38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/FairValueMeasurementsTables" xlink:type="simple" xlink:href="mtd-20260626.xsd#FairValueMeasurementsTables"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/FairValueMeasurementsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract_019ed674-b836-7146-a1b0-e2dbb622a38e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-7510-ab38-47ea95c6c8f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract_019ed674-b836-7146-a1b0-e2dbb622a38e" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-7510-ab38-47ea95c6c8f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-79e0-beef-a82a032d4d0b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-7510-ab38-47ea95c6c8f7" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-79e0-beef-a82a032d4d0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-7400-8f52-8504e5fab16d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-79e0-beef-a82a032d4d0b" xlink:to="loc_dei_EntityDomain_019ed674-b836-7400-8f52-8504e5fab16d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-7599-a613-bc2813e16603" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-7400-8f52-8504e5fab16d" xlink:to="loc_mtd_EBP031Member_019ed674-b836-7599-a613-bc2813e16603" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019ed674-b836-70d0-be45-166ed394b6f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-7510-ab38-47ea95c6c8f7" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019ed674-b836-70d0-be45-166ed394b6f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock_019ed674-b836-7362-9c9c-d041e851783b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019ed674-b836-70d0-be45-166ed394b6f2" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock_019ed674-b836-7362-9c9c-d041e851783b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/DescriptionofPlanDetails" xlink:type="simple" xlink:href="mtd-20260626.xsd#DescriptionofPlanDetails"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/DescriptionofPlanDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract_019ed674-b836-7ace-951a-b28f51814c00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019ed674-b836-7c7b-b082-bea5dd8b5d0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract_019ed674-b836-7ace-951a-b28f51814c00" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019ed674-b836-7c7b-b082-bea5dd8b5d0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-72c0-a2c0-682dc618dd9e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019ed674-b836-7c7b-b082-bea5dd8b5d0b" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-72c0-a2c0-682dc618dd9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-7bc9-ab5a-fdd4866fcf8f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-72c0-a2c0-682dc618dd9e" xlink:to="loc_dei_EntityDomain_019ed674-b836-7bc9-ab5a-fdd4866fcf8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-7f30-a9af-8edfb95b27a7" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-7bc9-ab5a-fdd4866fcf8f" xlink:to="loc_mtd_EBP031Member_019ed674-b836-7f30-a9af-8edfb95b27a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPEmployerContributionTypeAxis_019ed6bd-d0ec-7062-af93-5f370602cf18" xlink:href="mtd-20260626.xsd#mtd_EBPEmployerContributionTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019ed674-b836-7c7b-b082-bea5dd8b5d0b" xlink:to="loc_mtd_EBPEmployerContributionTypeAxis_019ed6bd-d0ec-7062-af93-5f370602cf18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPEmployerContributionTypeDomain_019ed6bd-d0ec-765e-a464-92346199e839" xlink:href="mtd-20260626.xsd#mtd_EBPEmployerContributionTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPEmployerContributionTypeAxis_019ed6bd-d0ec-7062-af93-5f370602cf18" xlink:to="loc_mtd_EBPEmployerContributionTypeDomain_019ed6bd-d0ec-765e-a464-92346199e839" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPEmployerContributionMatchOneMember_019ed6c1-bae2-78c1-9835-ab7855586d07" xlink:href="mtd-20260626.xsd#mtd_EBPEmployerContributionMatchOneMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPEmployerContributionTypeDomain_019ed6bd-d0ec-765e-a464-92346199e839" xlink:to="loc_mtd_EBPEmployerContributionMatchOneMember_019ed6c1-bae2-78c1-9835-ab7855586d07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPEmployerContributionMatchTwoMember_019ed6c1-e366-7531-a6a6-84b383ab7531" xlink:href="mtd-20260626.xsd#mtd_EBPEmployerContributionMatchTwoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPEmployerContributionTypeDomain_019ed6bd-d0ec-765e-a464-92346199e839" xlink:to="loc_mtd_EBPEmployerContributionMatchTwoMember_019ed6c1-e366-7531-a6a6-84b383ab7531" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019ed674-b836-7861-8ac3-c1af0bb51284" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019ed674-b836-7c7b-b082-bea5dd8b5d0b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019ed674-b836-7861-8ac3-c1af0bb51284" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage_019ed6bf-b4e2-7e11-b82b-66ad345f75a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019ed674-b836-7861-8ac3-c1af0bb51284" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage_019ed6bf-b4e2-7e11-b82b-66ad345f75a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate_019efa41-9bf9-7b9a-8a60-2119f0cfb4d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019ed674-b836-7861-8ac3-c1af0bb51284" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate_019efa41-9bf9-7b9a-8a60-2119f0cfb4d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage_019ed6bd-0cea-7800-a2f4-1974e7df0237" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019ed674-b836-7861-8ac3-c1af0bb51284" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage_019ed6bd-0cea-7800-a2f4-1974e7df0237" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage_019ed6bd-4736-7295-abd0-5472c47e217e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019ed674-b836-7861-8ac3-c1af0bb51284" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage_019ed6bd-4736-7295-abd0-5472c47e217e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPEmployerContributionParticipantCompensationDiscretionaryContributionsEligibilityPeriod_019ed6c8-43f6-7f0c-8a33-1c9e50ba226e" xlink:href="mtd-20260626.xsd#mtd_EBPEmployerContributionParticipantCompensationDiscretionaryContributionsEligibilityPeriod"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019ed674-b836-7861-8ac3-c1af0bb51284" xlink:to="loc_mtd_EBPEmployerContributionParticipantCompensationDiscretionaryContributionsEligibilityPeriod_019ed6c8-43f6-7f0c-8a33-1c9e50ba226e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/SummaryofSignificantAccountingPoliciesDetails" xlink:type="simple" xlink:href="mtd-20260626.xsd#SummaryofSignificantAccountingPoliciesDetails"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/SummaryofSignificantAccountingPoliciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract_019ed6cb-809e-7ec6-9734-42b01235fe0a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed6cb-809e-7a80-92e7-92fcc89fe734" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract_019ed6cb-809e-7ec6-9734-42b01235fe0a" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed6cb-809e-7a80-92e7-92fcc89fe734" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed6cb-809e-7b78-98f9-8a2d86ba8364" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed6cb-809e-7a80-92e7-92fcc89fe734" xlink:to="loc_dei_LegalEntityAxis_019ed6cb-809e-7b78-98f9-8a2d86ba8364" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed6cb-809e-7de3-a194-63a3fb546529" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed6cb-809e-7b78-98f9-8a2d86ba8364" xlink:to="loc_dei_EntityDomain_019ed6cb-809e-7de3-a194-63a3fb546529" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed6cd-0d74-73d2-99eb-3d5b8e27cfff" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed6cb-809e-7de3-a194-63a3fb546529" xlink:to="loc_mtd_EBP031Member_019ed6cd-0d74-73d2-99eb-3d5b8e27cfff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed6cb-809e-7bd8-ab1d-dd91496752a7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ed6cb-809e-7a80-92e7-92fcc89fe734" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed6cb-809e-7bd8-ab1d-dd91496752a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPParticipantLoanBasisSpreadOnVariableRate_019ed6cd-0d74-7a69-9eb0-41353ff5f4c0" xlink:href="mtd-20260626.xsd#mtd_EBPParticipantLoanBasisSpreadOnVariableRate"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed6cb-809e-7bd8-ab1d-dd91496752a7" xlink:to="loc_mtd_EBPParticipantLoanBasisSpreadOnVariableRate_019ed6cd-0d74-7a69-9eb0-41353ff5f4c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage_019ed6cb-bcad-75e6-8469-6c0b568e8c07" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed6cb-809e-7bd8-ab1d-dd91496752a7" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage_019ed6cb-bcad-75e6-8469-6c0b568e8c07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount_019ed6cb-809e-7ea9-a100-3208004a381e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed6cb-809e-7bd8-ab1d-dd91496752a7" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount_019ed6cb-809e-7ea9-a100-3208004a381e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPNoteReceivableFromParticipantGeneralLoanMaximumBorrowingTerm_019ed6cc-18fb-7518-9c04-ca3e11073316" xlink:href="mtd-20260626.xsd#mtd_EBPNoteReceivableFromParticipantGeneralLoanMaximumBorrowingTerm"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed6cb-809e-7bd8-ab1d-dd91496752a7" xlink:to="loc_mtd_EBPNoteReceivableFromParticipantGeneralLoanMaximumBorrowingTerm_019ed6cc-18fb-7518-9c04-ca3e11073316" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPNoteReceivableFromParticipantDelinquentPeriod_019ef4b3-4370-7f56-99ab-10d4b96de5c1" xlink:href="mtd-20260626.xsd#mtd_EBPNoteReceivableFromParticipantDelinquentPeriod"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ed6cb-809e-7bd8-ab1d-dd91496752a7" xlink:to="loc_mtd_EBPNoteReceivableFromParticipantDelinquentPeriod_019ef4b3-4370-7f56-99ab-10d4b96de5c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="mtd-20260626.xsd#FairValueMeasurementsDetails"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract_019ed674-b836-705b-9887-f7c4d6ced9ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-7c0f-9e22-6d6fea59cdd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract_019ed674-b836-705b-9887-f7c4d6ced9ca" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-7c0f-9e22-6d6fea59cdd3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-706d-9023-17bd652eeff8" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-7c0f-9e22-6d6fea59cdd3" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-706d-9023-17bd652eeff8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-704b-bea4-cd6e8e4942f0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-706d-9023-17bd652eeff8" xlink:to="loc_dei_EntityDomain_019ed674-b836-704b-bea4-cd6e8e4942f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-73dc-b368-082c13cc8c76" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-704b-bea4-cd6e8e4942f0" xlink:to="loc_mtd_EBP031Member_019ed674-b836-73dc-b368-082c13cc8c76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019ed693-bfdb-71a3-8ef3-2d0e2966f030" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-7c0f-9e22-6d6fea59cdd3" xlink:to="loc_us-gaap_InvestmentTypeAxis_019ed693-bfdb-71a3-8ef3-2d0e2966f030" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019ed693-bfdb-7eb2-b1fe-fa361b5df858" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeAxis_019ed693-bfdb-71a3-8ef3-2d0e2966f030" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019ed693-bfdb-7eb2-b1fe-fa361b5df858" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019ed693-bfdb-7b1a-940a-f3bc6f3c2761" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ed693-bfdb-7eb2-b1fe-fa361b5df858" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019ed693-bfdb-7b1a-940a-f3bc6f3c2761" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MutualFundMember_019ed693-bfdb-75f4-acf3-a2c42a0afad9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MutualFundMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ed693-bfdb-7eb2-b1fe-fa361b5df858" xlink:to="loc_us-gaap_MutualFundMember_019ed693-bfdb-75f4-acf3-a2c42a0afad9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember_019ed69c-2d6b-7fd5-b0c9-4e6d0fb1e4c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ed693-bfdb-7eb2-b1fe-fa361b5df858" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember_019ed69c-2d6b-7fd5-b0c9-4e6d0fb1e4c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_019ef4a0-7a21-7e15-a6cb-270ab21fd7be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ed693-bfdb-7eb2-b1fe-fa361b5df858" xlink:to="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_019ef4a0-7a21-7e15-a6cb-270ab21fd7be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019ed693-bfdb-7f5f-ba77-2346922e7c4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-7c0f-9e22-6d6fea59cdd3" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019ed693-bfdb-7f5f-ba77-2346922e7c4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019ed693-bfdb-7ac9-a3e3-1f816c848f0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019ed693-bfdb-7f5f-ba77-2346922e7c4c" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019ed693-bfdb-7ac9-a3e3-1f816c848f0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel12And3Member_019ed69b-578e-730d-a344-f2e70e6de31c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel12And3Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019ed693-bfdb-7ac9-a3e3-1f816c848f0b" xlink:to="loc_us-gaap_FairValueInputsLevel12And3Member_019ed69b-578e-730d-a344-f2e70e6de31c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019ed693-bfdb-7bb5-9d6b-493cb13187bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsLevel12And3Member_019ed69b-578e-730d-a344-f2e70e6de31c" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019ed693-bfdb-7bb5-9d6b-493cb13187bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019ed693-bfdb-7ae3-811d-2051e02e38b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsLevel12And3Member_019ed69b-578e-730d-a344-f2e70e6de31c" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019ed693-bfdb-7ae3-811d-2051e02e38b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_019ed693-bfdb-70fe-9ab5-4ca7a9b0614a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsLevel12And3Member_019ed69b-578e-730d-a344-f2e70e6de31c" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_019ed693-bfdb-70fe-9ab5-4ca7a9b0614a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_019ed69b-96ab-702f-b331-29cfd2266118" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019ed693-bfdb-7ac9-a3e3-1f816c848f0b" xlink:to="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_019ed69b-96ab-702f-b331-29cfd2266118" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019ed693-bfdb-7820-a529-08039f955fba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019ed674-b836-7c0f-9e22-6d6fea59cdd3" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019ed693-bfdb-7820-a529-08039f955fba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_019ed71a-7d27-7051-8350-4fd75bb211d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019ed693-bfdb-7820-a529-08039f955fba" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_019ed71a-7d27-7051-8350-4fd75bb211d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/TransactionswithPartiesinInterestDetails" xlink:type="simple" xlink:href="mtd-20260626.xsd#TransactionswithPartiesinInterestDetails"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/TransactionswithPartiesinInterestDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract_019ed674-b836-7514-b7d9-6a7ff1869cf0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019ed674-b836-7256-8737-ea4d21415baa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract_019ed674-b836-7514-b7d9-6a7ff1869cf0" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019ed674-b836-7256-8737-ea4d21415baa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-7ab9-9052-62fc7379a472" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019ed674-b836-7256-8737-ea4d21415baa" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-7ab9-9052-62fc7379a472" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-7582-a48b-dfbd51326530" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-7ab9-9052-62fc7379a472" xlink:to="loc_dei_EntityDomain_019ed674-b836-7582-a48b-dfbd51326530" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-740d-9fe1-742a0193ff58" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-7582-a48b-dfbd51326530" xlink:to="loc_mtd_EBP031Member_019ed674-b836-740d-9fe1-742a0193ff58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019ed6a3-534b-73dd-8299-b5e713467d09" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019ed674-b836-7256-8737-ea4d21415baa" xlink:to="loc_us-gaap_InvestmentTypeAxis_019ed6a3-534b-73dd-8299-b5e713467d09" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019ed6a3-534b-78bd-9451-963e2072705e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeAxis_019ed6a3-534b-73dd-8299-b5e713467d09" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019ed6a3-534b-78bd-9451-963e2072705e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019ed6a3-71ce-76ab-bd06-4bbc87d7d559" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ed6a3-534b-78bd-9451-963e2072705e" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019ed6a3-71ce-76ab-bd06-4bbc87d7d559" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019ed674-b836-7c4d-b9ad-a62ad660d492" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019ed674-b836-7256-8737-ea4d21415baa" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019ed674-b836-7c4d-b9ad-a62ad660d492" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_019ed71a-d2bd-7ee9-8228-508817212b39" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019ed674-b836-7c4d-b9ad-a62ad660d492" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_019ed71a-d2bd-7ee9-8228-508817212b39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_019ef49f-bed7-7862-8244-49142fdb0159" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019ed674-b836-7c4d-b9ad-a62ad660d492" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_019ef49f-bed7-7862-8244-49142fdb0159" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/AssetTransferInDetails" xlink:type="simple" xlink:href="mtd-20260626.xsd#AssetTransferInDetails"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/AssetTransferInDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPAssetTransferInAbstract_019ed71c-e2ff-7073-b6cd-670489783037" xlink:href="mtd-20260626.xsd#mtd_EBPAssetTransferInAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_AssetTransferInTable_019ed720-123a-7f1b-85e9-63a67399cf0b" xlink:href="mtd-20260626.xsd#mtd_AssetTransferInTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPAssetTransferInAbstract_019ed71c-e2ff-7073-b6cd-670489783037" xlink:to="loc_mtd_AssetTransferInTable_019ed720-123a-7f1b-85e9-63a67399cf0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed720-353c-7e07-ab4d-a606251e9d17" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_AssetTransferInTable_019ed720-123a-7f1b-85e9-63a67399cf0b" xlink:to="loc_dei_LegalEntityAxis_019ed720-353c-7e07-ab4d-a606251e9d17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed720-353c-780e-ba97-7fe2b93c18c9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed720-353c-7e07-ab4d-a606251e9d17" xlink:to="loc_dei_EntityDomain_019ed720-353c-780e-ba97-7fe2b93c18c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed720-41e5-7a33-8ac5-2f54b566c0db" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed720-353c-780e-ba97-7fe2b93c18c9" xlink:to="loc_mtd_EBP031Member_019ed720-41e5-7a33-8ac5-2f54b566c0db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_AssetTransferInLineItems_019ed720-353c-7c52-913f-5926e37f5625" xlink:href="mtd-20260626.xsd#mtd_AssetTransferInLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_AssetTransferInTable_019ed720-123a-7f1b-85e9-63a67399cf0b" xlink:to="loc_mtd_AssetTransferInLineItems_019ed720-353c-7c52-913f-5926e37f5625" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitTransferToFromExternalPlan_019ed720-353c-72ee-a20c-5de52f479026" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitTransferToFromExternalPlan"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_AssetTransferInLineItems_019ed720-353c-7c52-913f-5926e37f5625" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitTransferToFromExternalPlan_019ed720-353c-72ee-a20c-5de52f479026" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/Form5500ScheduleHLine4aDetails" xlink:type="simple" xlink:href="mtd-20260626.xsd#Form5500ScheduleHLine4aDetails"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/Form5500ScheduleHLine4aDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionAbstract_019ed6a7-0f0a-770b-91d0-d7008112be8c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable_019ed6a7-0f0a-7d4e-85e4-678b035922e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionAbstract_019ed6a7-0f0a-770b-91d0-d7008112be8c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable_019ed6a7-0f0a-7d4e-85e4-678b035922e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed6a7-0f0a-7673-85c5-c20c54ba4ef8" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable_019ed6a7-0f0a-7d4e-85e4-678b035922e1" xlink:to="loc_dei_LegalEntityAxis_019ed6a7-0f0a-7673-85c5-c20c54ba4ef8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed6a7-0f0a-7b41-9acc-722040aa4b41" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed6a7-0f0a-7673-85c5-c20c54ba4ef8" xlink:to="loc_dei_EntityDomain_019ed6a7-0f0a-7b41-9acc-722040aa4b41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed6b7-5595-7ded-82d5-00f4cfd69529" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed6a7-0f0a-7b41-9acc-722040aa4b41" xlink:to="loc_mtd_EBP031Member_019ed6b7-5595-7ded-82d5-00f4cfd69529" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPScheduleOfDelinquentParticipantContributionCorrectionPeriodAxis_019eff3a-8cee-7c93-8150-ba0db83508e6" xlink:href="mtd-20260626.xsd#mtd_EBPScheduleOfDelinquentParticipantContributionCorrectionPeriodAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable_019ed6a7-0f0a-7d4e-85e4-678b035922e1" xlink:to="loc_mtd_EBPScheduleOfDelinquentParticipantContributionCorrectionPeriodAxis_019eff3a-8cee-7c93-8150-ba0db83508e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBPScheduleOfDelinquentParticipantContributionCorrectionPeriodDomain_019eff3a-8cee-77a0-bb0a-93251e272e94" xlink:href="mtd-20260626.xsd#mtd_EBPScheduleOfDelinquentParticipantContributionCorrectionPeriodDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPScheduleOfDelinquentParticipantContributionCorrectionPeriodAxis_019eff3a-8cee-7c93-8150-ba0db83508e6" xlink:to="loc_mtd_EBPScheduleOfDelinquentParticipantContributionCorrectionPeriodDomain_019eff3a-8cee-77a0-bb0a-93251e272e94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_A2024CorrectionPeriodMember_019eff3a-e15a-73be-9e6f-c3daf182dd71" xlink:href="mtd-20260626.xsd#mtd_A2024CorrectionPeriodMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPScheduleOfDelinquentParticipantContributionCorrectionPeriodDomain_019eff3a-8cee-77a0-bb0a-93251e272e94" xlink:to="loc_mtd_A2024CorrectionPeriodMember_019eff3a-e15a-73be-9e6f-c3daf182dd71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_A2025CorrectionPeriodMember_019eff3f-472b-78f7-9bd9-f4e4779357ce" xlink:href="mtd-20260626.xsd#mtd_A2025CorrectionPeriodMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPScheduleOfDelinquentParticipantContributionCorrectionPeriodDomain_019eff3a-8cee-77a0-bb0a-93251e272e94" xlink:to="loc_mtd_A2025CorrectionPeriodMember_019eff3f-472b-78f7-9bd9-f4e4779357ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_A2026CorrectionPeriodMember_019eff3f-8704-7bb8-85fd-e2c2225dad98" xlink:href="mtd-20260626.xsd#mtd_A2026CorrectionPeriodMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mtd_EBPScheduleOfDelinquentParticipantContributionCorrectionPeriodDomain_019eff3a-8cee-77a0-bb0a-93251e272e94" xlink:to="loc_mtd_A2026CorrectionPeriodMember_019eff3f-8704-7bb8-85fd-e2c2225dad98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-77c0-938f-f5e6bd562f78" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable_019ed6a7-0f0a-7d4e-85e4-678b035922e1" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-77c0-938f-f5e6bd562f78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019ed6a7-0f0a-7e04-bd6e-20b9d10691ec" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-77c0-938f-f5e6bd562f78" xlink:to="loc_dei_EntityTaxIdentificationNumber_019ed6a7-0f0a-7e04-bd6e-20b9d10691ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanPlanNumber_019ed6a7-0f0a-7d1b-b23c-2a60198bb3aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanPlanNumber"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-77c0-938f-f5e6bd562f78" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanPlanNumber_019ed6a7-0f0a-7d1b-b23c-2a60198bb3aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTransferredLateToPlan_019ed6a8-4950-7f98-925d-77c38b2cdb47" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTransferredLateToPlan"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-77c0-938f-f5e6bd562f78" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTransferredLateToPlan_019ed6a8-4950-7f98-925d-77c38b2cdb47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionNotCorrected_019ed6a7-0f0a-7bbc-ae12-1f348e7485e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionNotCorrected"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-77c0-938f-f5e6bd562f78" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionNotCorrected_019ed6a7-0f0a-7bbc-ae12-1f348e7485e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrectedOutsideVfcp_019ed6a7-0f0a-74e1-b0e7-2749abaa7994" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrectedOutsideVfcp"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-77c0-938f-f5e6bd562f78" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrectedOutsideVfcp_019ed6a7-0f0a-74e1-b0e7-2749abaa7994" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionPendingCorrectionInVfcp_019ed6a7-0f0a-76f1-9789-10c8dda14756" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionPendingCorrectionInVfcp"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-77c0-938f-f5e6bd562f78" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionPendingCorrectionInVfcp_019ed6a7-0f0a-76f1-9789-10c8dda14756" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrected_019ed6a7-0f0a-7286-9291-b27c8cfa1b1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrected"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_019ed6a7-0f0a-77c0-938f-f5e6bd562f78" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrected_019ed6a7-0f0a-7286-9291-b27c8cfa1b1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.mt.com/role/Form5500ScheduleHLine4iDetails" xlink:type="simple" xlink:href="mtd-20260626.xsd#Form5500ScheduleHLine4iDetails"/>
  <link:presentationLink xlink:role="http://www.mt.com/role/Form5500ScheduleHLine4iDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract_019ed674-b836-765f-bdaa-e09fbd0162f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019ed674-b836-7d62-be98-9dcaf9aebe89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract_019ed674-b836-765f-bdaa-e09fbd0162f2" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019ed674-b836-7d62-be98-9dcaf9aebe89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIdentifierAxis_019ed674-b836-7dc3-90ae-24e6d07e1a1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIdentifierAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019ed674-b836-7d62-be98-9dcaf9aebe89" xlink:to="loc_us-gaap_InvestmentIdentifierAxis_019ed674-b836-7dc3-90ae-24e6d07e1a1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019ed674-b836-7029-a4c6-fe2d809c461c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019ed674-b836-7d62-be98-9dcaf9aebe89" xlink:to="loc_dei_LegalEntityAxis_019ed674-b836-7029-a4c6-fe2d809c461c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019ed674-b836-782a-9254-feaf5ec0cd39" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_019ed674-b836-7029-a4c6-fe2d809c461c" xlink:to="loc_dei_EntityDomain_019ed674-b836-782a-9254-feaf5ec0cd39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_mtd_EBP031Member_019ed674-b836-7569-a672-7d8a12b97978" xlink:href="mtd-20260626.xsd#mtd_EBP031Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_019ed674-b836-782a-9254-feaf5ec0cd39" xlink:to="loc_mtd_EBP031Member_019ed674-b836-7569-a672-7d8a12b97978" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019ef4a2-1d3b-729f-a842-43b95cf9b9c7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019ed674-b836-7d62-be98-9dcaf9aebe89" xlink:to="loc_srt_RangeAxis_019ef4a2-1d3b-729f-a842-43b95cf9b9c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019ef4a2-1d3b-77ce-b73c-62ae965fc874" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_019ef4a2-1d3b-729f-a842-43b95cf9b9c7" xlink:to="loc_srt_RangeMember_019ef4a2-1d3b-77ce-b73c-62ae965fc874" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019ef4a2-3483-709c-8dc8-d0e51ec15e0e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_019ef4a2-1d3b-77ce-b73c-62ae965fc874" xlink:to="loc_srt_MaximumMember_019ef4a2-3483-709c-8dc8-d0e51ec15e0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019ef4a2-57b9-7da7-b08c-8000b3a21544" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_019ef4a2-1d3b-77ce-b73c-62ae965fc874" xlink:to="loc_srt_MinimumMember_019ef4a2-57b9-7da7-b08c-8000b3a21544" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetAcquiredAndDisposedLineItems_019ed674-b836-7405-82e0-afc65ec520df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetAcquiredAndDisposedLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019ed674-b836-7d62-be98-9dcaf9aebe89" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetAcquiredAndDisposedLineItems_019ed674-b836-7405-82e0-afc65ec520df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019ed674-b836-78e0-9c75-f358ef3d670c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetAcquiredAndDisposedLineItems_019ed674-b836-7405-82e0-afc65ec520df" xlink:to="loc_dei_EntityTaxIdentificationNumber_019ed674-b836-78e0-9c75-f358ef3d670c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanPlanNumber_019ed674-b836-7bd0-9e50-35d98adb6429" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanPlanNumber"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetAcquiredAndDisposedLineItems_019ed674-b836-7405-82e0-afc65ec520df" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanPlanNumber_019ed674-b836-7bd0-9e50-35d98adb6429" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue_019ed6e8-98e7-71b8-99da-421bbdfbfc6d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetAcquiredAndDisposedLineItems_019ed674-b836-7405-82e0-afc65ec520df" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue_019ed6e8-98e7-71b8-99da-421bbdfbfc6d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares_019ef4a3-8cd8-7a2d-a151-0deaf5b16406" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetAcquiredAndDisposedLineItems_019ed674-b836-7405-82e0-afc65ec520df" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares_019ef4a3-8cd8-7a2d-a151-0deaf5b16406" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution_019ed6d3-40cc-73e8-ac0d-43244fe08a22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetAcquiredAndDisposedLineItems_019ed674-b836-7405-82e0-afc65ec520df" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution_019ed6d3-40cc-73e8-ac0d-43244fe08a22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate_019ef4a1-c0c7-7017-9b90-cf82014c5f31" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetAcquiredAndDisposedLineItems_019ed674-b836-7405-82e0-afc65ec520df" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate_019ef4a1-c0c7-7017-9b90-cf82014c5f31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestment_019ed6d3-6874-70d0-a542-f3e6e5cdd5c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestment"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetAcquiredAndDisposedLineItems_019ed674-b836-7405-82e0-afc65ec520df" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestment_019ed6d3-6874-70d0-a542-f3e6e5cdd5c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
</link:linkbase>
