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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a14141-85c6-74bf-a306-5229ec1f47fb,g:631abb03-750d-4bd9-97a9-cf69796a53d8-->
<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://xbrl.sec.gov/vip/role/N4" xlink:type="simple" xlink:href="https://xbrl.sec.gov/vip/2025/vip-2025.xsd#N4"/>
  <link:presentationLink xlink:role="http://xbrl.sec.gov/vip/role/N4" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_vip_AllContractsMember" xlink:href="https://xbrl.sec.gov/vip/2025/vip-2025.xsd#vip_AllContractsMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0000790560_C000031481Member" xlink:href="ck0000790560-20261028.xsd#ck0000790560_C000031481Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_vip_AllContractsMember" xlink:to="loc_ck0000790560_C000031481Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_vip_AllPortfolioCompaniesMember" xlink:href="https://xbrl.sec.gov/vip/2025/vip-2025.xsd#vip_AllPortfolioCompaniesMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0000790560_C000008612Member" xlink:href="ck0000790560-20261028.xsd#ck0000790560_C000008612Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_vip_AllPortfolioCompaniesMember" xlink:to="loc_ck0000790560_C000008612Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0000790560_C000008628Member" xlink:href="ck0000790560-20261028.xsd#ck0000790560_C000008628Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_vip_AllPortfolioCompaniesMember" xlink:to="loc_ck0000790560_C000008628Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0000790560_C000008630Member" xlink:href="ck0000790560-20261028.xsd#ck0000790560_C000008630Member"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_vip_AllPortfolioCompaniesMember" xlink:to="loc_ck0000790560_C000008630Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </link:presentationLink>
</link:linkbase>