AC system leaks and/or a faulty evaporator temperature sensor can cause poor AC cooling. The failed sensor can prevent the AC compressor from coming on. Leaks cause a low refrigerant level, which reduces the ability to cool.
Car Problem Reports
Mercedes-Benz ML350 AC System Leaks/Bad Temperature Sensors May Cause Poor Cooling
Mercedes-Benz ML350 Problem
5 Reports
Model Years Affected: 2003, 2004, 2005
Average Mileage: 88,212 mi (80,000 mi - 96,425 mi)
Verified
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yinka, 2003 Mercedes-Benz ML350, 96,425 miRookie
At times when i on the A/C system it will work fine and if i move for about 4km it will stop working and at times it will not stop working by not cooling, only blowing air.
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