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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:b02dd772-9c0d-4b61-98a1-ece46691f0b3,g:a7c433f2-a0bf-4a7e-88b4-e41b2f0787a1-->
<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://system1.com/role/Cover" xlink:type="simple" xlink:href="sst-20260512.xsd#Cover"/>
  <link:presentationLink xlink:role="http://system1.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_258b6af7-5958-41f1-a699-4a18bdb6a92b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_DocumentType_258b6af7-5958-41f1-a699-4a18bdb6a92b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_36e6d8b9-e3e2-48ed-a22c-be00c8cf8dfd" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_DocumentPeriodEndDate_36e6d8b9-e3e2-48ed-a22c-be00c8cf8dfd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_3983cf5c-8181-4dfb-930f-d3773396c0b4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_EntityRegistrantName_3983cf5c-8181-4dfb-930f-d3773396c0b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_cf5b3989-6983-49cc-8a7c-8c465e706375" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_EntityIncorporationStateCountryCode_cf5b3989-6983-49cc-8a7c-8c465e706375" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_eaa0c14a-e993-41c8-b4ff-f8e2892896d9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_EntityFileNumber_eaa0c14a-e993-41c8-b4ff-f8e2892896d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_a8fd18f5-25f5-4494-aef8-09bd5b3d530c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_EntityTaxIdentificationNumber_a8fd18f5-25f5-4494-aef8-09bd5b3d530c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_b0fb9d6d-8788-487d-b197-aad562d8c989" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_EntityAddressAddressLine1_b0fb9d6d-8788-487d-b197-aad562d8c989" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_3219e07f-2485-4301-ae57-5b16bd64578e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_EntityAddressCityOrTown_3219e07f-2485-4301-ae57-5b16bd64578e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_681a854d-53f6-4d29-b83f-e74543cdc034" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_EntityAddressStateOrProvince_681a854d-53f6-4d29-b83f-e74543cdc034" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_5151c949-8855-4bd1-b329-3005b8fdd4d1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_EntityAddressPostalZipCode_5151c949-8855-4bd1-b329-3005b8fdd4d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_6b11428b-32fa-44b0-9852-8c51af8dbd9a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_CityAreaCode_6b11428b-32fa-44b0-9852-8c51af8dbd9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_d491c466-a62e-485a-b00a-41d4578cbff7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_LocalPhoneNumber_d491c466-a62e-485a-b00a-41d4578cbff7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_f26a06b0-3ce4-43aa-ab85-25861d06a70b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_WrittenCommunications_f26a06b0-3ce4-43aa-ab85-25861d06a70b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_0226e384-8d61-49b9-9541-267ce22e5c4e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_SolicitingMaterial_0226e384-8d61-49b9-9541-267ce22e5c4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_3ee6ed58-5397-4f50-9580-50f30afd34ea" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_PreCommencementTenderOffer_3ee6ed58-5397-4f50-9580-50f30afd34ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_42930c7c-50e9-4984-aa16-b99bdfaf0cf3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_42930c7c-50e9-4984-aa16-b99bdfaf0cf3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_6538bb9b-c656-49cf-b41e-1b93f5d9a214" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_Security12bTitle_6538bb9b-c656-49cf-b41e-1b93f5d9a214" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_07f46c54-3383-4a08-bdda-96da95e836bc" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_TradingSymbol_07f46c54-3383-4a08-bdda-96da95e836bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_f21e9b4a-3b8e-4dc6-aab9-0a66c4be69df" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_SecurityExchangeName_f21e9b4a-3b8e-4dc6-aab9-0a66c4be69df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_d43b960e-8e90-4637-bc44-b2b628d48f75" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_EntityEmergingGrowthCompany_d43b960e-8e90-4637-bc44-b2b628d48f75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_0d50b17b-1db1-4ad8-bd28-dfa931ccc69c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_EntityCentralIndexKey_0d50b17b-1db1-4ad8-bd28-dfa931ccc69c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_2dce4f76-5b3b-4ad3-921e-74b945984310" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4bd08d77-8bdf-47a6-bf12-14257bbf8ddd" xlink:to="loc_dei_AmendmentFlag_2dce4f76-5b3b-4ad3-921e-74b945984310" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
