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1990 Mercedes-Benz 300CE Question: Defective MAS



metalchip, Gasoline, Tiger, GA, December 20, 2008, 16:22

Will a defective MAS unit cause my 1990 Mercedes 300CE to gear down when going down the road? If so, where can I find one?

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  • Answer #1

    December 22, 2008, 14:56

    It sounds like you are experiencing a loss of power, and this can be caused by the MAS, or even a failing fuel pump. These types of problems can be difficult and expensive to diagnose without the proper diagnostic tools and knowledge.

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