I did a search and did not find much.
I believe my u-joint is going bad on the drive shaft. It appears Mercedes, or Fast Lane does not carry them. Has anybody ever replaced one of these? I know my front flex disk is bad, but when I grab the front shaft, and the rear shaft and twist, I get about .030" play. I have not confirmed if it is in the spline or joint, but from my experience, it feels like it is in the joint. I can buy the whole rear shaft with joint for $500.00, but if I can get the joint , they are typically no more than $18.00, go figure
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PeterG
92 300D 2.5 140K
79 300SD 90K