Car Problem Reports

Mercedes-Benz E320 Evaporator Temperature Sensor Failure

Mercedes-Benz E320 Problem
16 Reports
Me Too

Model Years Affected: 1996, 1997, 1998, 1999, 2000, 2001, 2002

Average Mileage: 152,437 mi (84,000 mi - 240,000 mi)


The evaporator temperature sensor can fail, causing the AC compressor not to cycle. If the AC compressor does not turn on, the AC system will not blow cold air. If the compressor is stuck on, the air will be very cold at first, before warming up.

  • Visitor, , 100,700 mi

    my a/c blows hot air after 5 mins of cold air. the compressor doesnt kick in. After doing diagnostics and found error codes leading to a bad evaporator temparature sensor

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  • Visitor, , 187,234 mi

    when turning a/c on it get cold and then a/c compressor go off then turn the car off and restart a/c come back on.

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  • Visitor, , 200,000 mi

    ac clutch is not working

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  • Visitor, , 123,000 mi

    The AC would last only 5 minutes at the beginning of the day then there was no more cold air after. Heat wouldn't stay on either unless you kept it on defrost at which the fan would only run on high. It cost me $300 to fix at a Mercedes specialist shop.

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  • Visitor, , 167,000 mi

    On the way, the air condition went from cold to warm. The pump worked ok. I took to a shop; and the mechanic said the pump was weak, the evaporator was leak. It would cost me over $2,200 for repair.

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  •  Rookie

    Just replaced this year.

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