2009 c300 4matic 82k Buzzing noise over 30 mph
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2009 c300 4matic 82k Buzzing noise over 30 mph
I have a buzzing noise when moving over 30 mph. Does not do it while revving in park. Its not the p/s pump , but dose sound a bit similar. I changed the serpentine belt and pulleys, did not stop.
Last edited by Davidyough; May 18, 2018 at 02:21 PM. Reason: Forgot vehicle discription
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