Mercedes-Benz E350 Problem Report

Mercedes-Benz E350 Failed Digital Heater Control Valve May Cause Poor Heat Output

(9 reports)

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

The heater in my 2006 E-350 no longer blows warm/hot air. This was at first an issue that appeared to me to be an anamoly, but it worsened until the heater no longer worked. -
little to no heat at full heat setting -
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