Just did the lower control arm bushings on a 201 chassis (190D). If I were to do it again, I would just buy new control arms. Bushings were easy enough, but the rear sets had rusted sleeves. Needed to chip away the rust scale to provide a clean bore for the new bushings. That took a long time.

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Hanno
'79 6.9 Sold (after 27 years)
'83 280SL, 5 spd.
'94 E320 Sdn. 5 spd conversion
'02 E320 Sdn.(on loan to mom!)
'87 300E (5 spd. conversion) Sold
'05 E500 Wagon