Air Conditioning Not Cold on Mercedes-Benz ML55 AMG

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.

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Average mileage: 101,250 (65,000–140,000)
4 model years affected: 2000, 2001, 2002, 2003
8 people reported this problem
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