Best manual you can find for the auto transmission behind the 4.5 liter V8 engine of the 1970s.
This appears to be an NOS manual. There aren't even any dirt smudges inside this factory manual from Mercedes-Benz, which will give you almost all the information you would need to troubleshoot, fine-tune, and overhaul your three-speed automatic transmission of this era.
1972 to 1980 3-Speed Auto Transmission Factory Service Manual - Like New
$89.00
SKU:
FM-3SPDTRANSMANUAL 
Product Details
This manual is complete with full overhaul procedures even including the valve body.
