1986 560 sec stalling at 60 degrees

Bought it in may03.Just started having trouble now that the weather has finally goteen a little cooler in southern california when the car is first started in
the am. When the car temp reaches around 60 degrees it stalls. I can then start it right back up and drive without any further problems or stalls.I can sit in the driveway and not have the problem if I keep the rpm to around 2000 till the car is hotter than 60 degrees. I have learned to do this instead of having the car stall while driving to work in the AM. Any suggestions or direction is appreciated, I love the car and want to correct this problem. Thank you in advance
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All fuel injected cars have a "cold start" system. It adds fuel to the engine only when the engine is cold, otherwise it is OFF. Now that cold weather has arrived your engine needs this extra fuel to run well when its first started.
There are a couple of sensors, a time delay relay and an electric valve called the cold start valve. Any of these could be defective or disconnected; you see the result. Take it to an independent M-B shop.
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Thanks we are trying that now. Very frustrating time!
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