View Full Version : Factory brochure explaining ASD, ASR, & 4MATIC functionality

07-07-2009, 05:18 PM
Postby gsxr on Fri Mar 20, 2009 5:14 pm

See attached PDF file. Excellent reference information.



Dave M.
Boise, ID
1995 E420 (W.I.P.)
1994 E500 (Q-ship)
1993 300D (Sportline)
1987 300D (Sportline Stage 2)
1987 300D (R.I.P)
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Postby Glen on Fri Mar 20, 2009 6:05 pm

Thanks for posting that, Dave.

It sounds like all 4-matic equipped cars also have ASD, is that correct?


Postby gsxr on Fri Mar 20, 2009 6:09 pm

Correct. ASD was part of the 4MATIC system used on the 124 chassis. I believe only the rear has ASD locking capability though. Pretty sure the front is a standard open diff.