Cant look at my W123 right now to confirm but I believe you lost part of your upper control arm and the fastner for the sway bar?

http://catalog.worldpac.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=25L0RF04Y2660TN197&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1983&product=L2000-16581&application=000012722

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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)