There is no option A. Ball joints are not replaceable on W124 model year 93 (and 94, 95).

EDIT: Not all 124's had nonreplaceable ball joints. See post 14 by Zulfigar.

What an idiotic design. I'm glad I can on my w210, and my 92 w124.

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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k

That blanket statement is incorrect.

the 95 diesels have replaceable ball joints - I replaced them on my car, the 93 300E 2.8 have replaceable joints (done them too) the only cars having non replaceable joints are the

E320
E420
E500

or any car bought/built with sportline package.

the picture in the first post is quite blurry - I cannot see any ears on the arm boss denoting its an arm in which the joints can be swapped out.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)