Heater Blower Motor May Become Noisy on Mercedes-Benz ML430

The heater blower motor can become abnormally noisy. Replacement of the blower motor is commonly necessary to correct this concern.

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Average mileage: 149,750 (100,000–200,000)
3 model years affected: 1999, 2000, 2001
10 people reported this problem
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Viewing 1 - 3 of 3 problem details
The heater was very noisy for a few days and then stopped working.
1999 Mercedes-Benz ML430 147,000 mi,
The blower motor makes a loud sound at the 1-2 speed levels, goes away when turned to either 3 or higher. Not sure if I'm going to get it repaired to simply live with it :-)
2001 Mercedes-Benz ML430 100,000 mi,
LOUD blower motor