Bad Switch/Blower Motor Resistor Assembly May Cause Inoperative Heater Blower Motor on Mercedes-Benz SL320

Other than a defective motor, a bad switch or blower motor resistor assembly can cause an inoperative heater blower motor.

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Average mileage: 62,000 (62,000–62,000)
4 model years affected: 1994, 1995, 1996, 1997
5 people reported this problem
1 person shared problem details
fan indicator showes high but blown no air
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