The W210 chassis as well as most of the newer cars don't have cams to adjust the front end caster/camber. However alignment should be checked when replacing any front end componet.
Shocks on that car have NO effect on alignment!!
MERCEDES Benz Master Guild Technician (6 TIMES)
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190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)