M-Class Blower: Krysztof's Pictures
Photo: Krysztof Bredice
The blower cage is removed for cleaning.
Photo: Krysztof Bredice
The blower pre-resistor removed.
Photo: Krysztof Bredice
The pre-resistor is installed next to the cabin air filter.
Blower failure on low speed is usually caused by an open
circuit between pin H and L on the resistor.
Replace it with a new resistor assembly, MB part 163 820 02 97. Info
thanks to Tom DeTemple.
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smooth and clean: ML design |