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Mercedes-Benz 300SL Problems

Bad Switch/Blower Motor Resistor Assembly May Cause Inoperative Heater Blower Motor on Mercedes-Benz 300SL

Problem Description and Possible Solution

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

(7 people reported this problem)

Mercedes-Benz 300SL Vehicles With This Problem

RepairPal Fair Price Estimate
$832-$939
RepairPal Verified
Average mileage: 96,666 (67,000–115,000)
4 model years affected: 1990, 1991, 1992, 1993
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Brake problem? Or maybe a faulty head gasket cylinder?
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