am having a hard time finding information on W115's. The AC just recently went out in my 76' 300D and I'm not exactly sure where to start the repair. Other than this the car runs flawlessly, anyways The previous owner replaced the York with a Sanden model U-9120. The only time that the AC "blows" is when the car in motion, and its not cold air. Obviously there is a problem I just don't know where to begin the diagnosis.


I am about to start working on it in the next hour or so, I'll continue adding details to this thread as I discover them. I am a novice with this vehicle and especially the Sanden. This car is my first step into the world of "classic" Mercedes cars and it would kill me to here that this problems indicates thousands of dollars worth of work. Any help would be greatly appreciated!
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