Mercedes-Benz
E430 4MATIC
4

Erratic HVAC Blower Motor Operation on Mercedes-Benz E430 4MATIC

Problem Description and Possible Solution

A malfunctioning HVAC blower motor regulator can cause the blower motor to operate below the requested speed or not at all. Updated regulators are available; the blower motor and cover need to be replaced at the same time to upgrade the system.

Problem Data
RepairPal Verified
Average mileage: 100,000 (100,000–100,000)
3 model years affected: 2000, 2001, 2002
4 people reported this problem
Comments
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fan with motor replaced, A?C condenser replaced