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Mercedes-Benz 220C


1995 Mercedes-Benz 220C Heating / Cooling System   

New User Asked -
Air conditioner shuts down after a few minutes and the electric fans come on. I believe there is a sensor that regulates this function but do not know what it is called or where it is located. Thanks


Bruce Kit -
Have the A/C checked for coolant amount (R12)If low, the pressure sensor in line by a/c compressor will shut the a/c off. If you can see that sensor (plug with two wires) You can TEMPORARILY bypass with a short jumper wire. When I say TEMPORARY, I mean it! If you leave the jumper wire on, and the Freon is low, you will probably burn out the A/C Pump

New User -
Will the sensor also start the electric fans? They come on as soon as the engine warms to operating temp., even without the air conditioner being turned on.

Bruce Kit -
normally the sensor will turn on 1 'extra' fan when a/c on. 2nd fan also should come on when temp unusually high

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