Heater Blower Motor May Become Noisy on Mercedes-Benz ML430

Problem Description and Possible Solution

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

Problem Data
RepairPal Verified
Average mileage: 149,750 (100,000–200,000)
3 model years affected: 1999, 2000, 2001
12 people reported this problem
Viewing 1 - 3 of 3 comments
The heater was very noisy for a few days and then stopped working.
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 :-)
LOUD blower motor