These guys can probably help you if you need parts:

http://www.jie.com/Mercedes/mercedes_benz_transmissions.htm

I have an ATSG manual for the 722.1xx - not sure how close they are but if you need some scans let me know.

Rick

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80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??)