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2004 Mercedes-Benz S430 4MATIC Question: 2004 s430 4matic noisy engine Help?



rauto, Staten Island, NY, February 09, 2011, 21:00

have A 2004 S430 4matic It has Noisy Engine Like Knock Sound
Is That Common For This Car?

2 Answers
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  • Answer #1

    overbys from Overbys Inc, February 10, 2011, 09:03

    engine knocking is not common and almost always indicates
    something wrong. find an MB specialty repair shop ASAP.

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  • Answer #2

    Visitor, March 27, 2011, 23:24

    I had a MB430 and the same problem. I lucked out as it was just the serpentine belt tensioner taking a dive. Good Luck!

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