Mercedes-Benz
E320 4MATIC
4

Failed Digital Heater Control Valve May Cause Poor Heat Output on Mercedes-Benz E320 4MATIC

Problem Description and Possible Solution

A failed digital heater control valve can cause a lack of heat output from the climate control system.

Problem Data
RepairPal Verified
Average mileage: (–)
4 model years affected: 2002, 2003, 2004, 2005
4 people reported this problem