How to replace Heater Valve / Duo Valve Mercedes Benz W211 E220 E270 CDI

No heat coming out of your ventilation, or the temperature regulation is not working right, but the engine temp is fine?
The heater valve might be your problem!
Replacement of the heater valve / duo valve on Mercedes W211 E220CDI (left hand drive Germany/USA)

MB Original Parts Number:
A 211 832 05 84
...costs around 40 €/$

Tools needed:
Flashlight/Worklight
13mm nuts with ratchet
Phillips screwdriver
Flat-head screwdriver
Water pump pliers
Pinch-off pliers
Strong wire
coolant

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Music:
Thorn1 - Minus Mercury

Видео How to replace Heater Valve / Duo Valve Mercedes Benz W211 E220 E270 CDI канала DieselDog