The CV joint has it's own internal grease supply. Replacing the CV boots on
the older Mercedes cars is not an easy thing to do. Mercedes has a service
tool to crimp a new can and boot on the the CV joint. I have yet to find a
rebuilder who has the factory tool and knows how to rebuilt it right. I've
been replacing the entire half shaft on my older cars when the boots break. On
the 123 body cars, I can buy a new half shaft with both CV joints for $250.
I believe the way they are attached on your car is with a circlip at the rear
axle and a bolt at the wheel. The later cars are different. You will need to
remove the differential cover to pull the circlip on that end. The wheel
carrier has a bolt retaining the halfshaft. Both ends of the halfshaft are
splined. The usual practice is to jack up the axle and let the wheel carrier
hang down. If you need parts sources, drop me an e-mail.
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