How do you know the shocks are bad? Do a search their has been a lot posted, usualy the shocks don't go bad.

I have been told that its usualy the accumulator's that fail giving a stiff ride, which can lead to the seals being blown out of the shocks if ignored.

http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=21B0XKG2A21B0XKJMR&year=1993&make=MB&model=500-SEL-002&category=L&part=Accumulator

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2006 CL500
1969 280SE
2023 Ram 1500
2026 Genesis GV70
2007 Tiara 3200