The left side front end on my 123 started to make a slight clunk when braking yesterday. I put it on the lift and found play in the lower pivit (not sure if it's called a ball joint or a trunion). The bearings and tie rods seem solid. I'm off to get an indy mercedes shop to look at it. While I do most everything myself on this car I don't have the tools and press to do this myself. Any estimates as to what this should cost? Anything else that I should be replacing while I'm at this? The car has 150,000 miles and other than the front bearings and steering shock I believe it is all original and steering is still decently tight (although not like new). Thanks for the feedback.

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LRG
1987 300D Turbo 175K
2006 Toyota Prius, efficent but no soul
1985 300 TDT(130K miles of trouble free motoring)now sold