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Old 11-13-2013, 11:05 PM
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jay_bob jay_bob is offline
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Join Date: Oct 2011
Location: Columbia, SC
Posts: 3,678
The wiring diagrams are online as part of the factory manual for W126., select workshop resources on the left, page through for chassis 126 manuals.

If that doesn't work, the seats for an 86 126 ought to be similar to a 124. There is a nice copy of the 124 wiring diagram (cleaner than the official MB one) at You'll have to sign up but it's free.

From what I heard, they had a fire in their archives and the master copies of all the service data for the older models was destroyed. They had to find a paper copy of the books and scan them in.
The OM 642/722.9 powered family
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)
2008 ML320 CDI (Older sonís DD)
2008 E320 Bluetec (Younger son's DD)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech
gone but living on
1983 240D (body to greazzer, engine to t walgamuth)
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