Problem overview
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.
36 people reported this problem
15 commentsMercedes-Benz ML320 vehicles with this problem
6 model years affected
Average mileage: 128,014 miles
(29,956 - 201,000)
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