http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1D00YU6RY1DH1APLXV&year=1987&make=MB&model=300-E-002&category=L&part=Control+Arm+Bushing


When these bushings go , they do not make the top of the tire go in, they make the bottom of the wheel go out, so the results is still neg camber..] along with improper rear toe]
However, check them first because this is just one of many possibles for inside tire wear on 5 point link Benz suspension...