This video applies to most Mercedes automatic transmissions from the early 1970s to 1995. Link to manuals and parts: https://mercedessource.com/store/sear...
The transmission shown here was from a 1981 to 1985 Mercedes turbo diesel. .Some features such as the Bowden cable are not found on older transmissions. As far as finding a leak, the principles of troubleshooting one will apply to many other transmissions as well.