The HVAC blower motor may fail. This is commonly caused by water entry through the cabin air filter areas during heavy rain or snow. Failed blower motors should be replaced. Our technicians tell us there is no special fix for this issue at this time.
HVAC Blower Motor May Fail on Mercedes-Benz ML320 BLUETEC
Average mileage: (–)
1 model year affected: 2009
2 people reported this problem