Poor AC performance Due to Evaporator Temperature Sensor Failure on Mercedes-Benz CLK430

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 65,350 (65,350–65,350)
5 model years affected: 1999, 2000, 2001, 2002, more2003
7 people reported this problem
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air come from defrost instead of vent in the middle of dash what do i need to fix it
AC turns on. Compressor cycles for about thirty seconds then shuts off. Blows hot air from all vents. Problem not resolved as of yet.