Mercedes-Benz SL500 Problem Report

Mercedes-Benz SL500 Poor AC performance Due to Evaporator Temperature Sensor Failure

(7 reports)

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.

"AC Off" light stays on. When pushed, it flashes and comes back on and stays. No cold air at all at any time. -
Starts cold then warms up -
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