Question about 1992 Mercedes-Benz Mercedes Benz 300 Class
Hello I'm an M.B. tech. this is a common problem for that era. I t sounds like your blower motor is worn ou and occasionally it will rotate slightly. 1st I would check the fuses. During this era those fuses were not in the box. although the lid may say blower fuse outside fuse box. Often times they are a strip fuse inline with the blower harness. Generally they are located by the brake master cyl. They supply voltage to the blower motor resister pack. Some vehicles had 3 strip fuses 1 for each speed. The resister pack is called a blower mot regulator. It should be accessible from you passenger side underdash panel. assuming your fuses are good. Most likley it is the blower motor regulater
Posted on May 24, 2009
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Posted on Jan 02, 2017
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