Failed Digital Heater Control Valve May Cause Poor Heat Output on Mercedes-Benz E500 4MATIC

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

RepairPal Verified
Average mileage: 162,000 (162,000–162,000)
2 model years affected: 2005, 2006
3 people reported this problem
0 people shared problem details
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