Malfunctioning Regulators May Cause Blower Motor Failure on Mercedes-Benz E320

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

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.

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