The book would have you do a lot of work. We drop the differential down, hanging from the axles and driveshft. Drive the bushings out with a hammer etc. The new ones need to be pressed from the forward side to the rear. We use a puller made of a good stout bolt and appropriate washers/spacers. Takes less than two hours, but since MB says to remove the whole works we charge more (bg).

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician