Strelnik - I have the Mercedes factory service manual for the M116.96 engine (this is the 3.8 that is in the 1983 380SL). I bought it new when I had my 83 380SEL. It contains about 100 pages of troubleshooting and repair information on the mechanical gasoline injection system (CIS). It also covers the M117.96 (5.0) engine. It has some grease stains but is complete. PM if interested.

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07 E350 4Matic wagon, 06 S430 4Matic, 99 SLK 230
retired W210 (x3), W124, W126