E320 CDI

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

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: (–)
2 model years affected: 2005, 2006
3 people reported this problem