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2003 Mercedes-Benz C320

 

Question: tune up

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Visitor, Moreno Valley, CA, January 24, 2011, 14:53
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i noticed a decrease in power. i performed oil change replaced spark plugs and wires and still no improvement, any suggestions?

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  • Answer #1

    ZeeTech January 24, 2011, 17:30
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     Master

    Is there a warning light on, like Check Engine?

    Zee

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  • Medium-star Best Answer
    Visitor, February 09, 2011, 15:20

    I have a 2003 c320. I had a tuneup after 99,000 miles after receiving little power. still had very little power and check engine light went on. It turns out i didnt need a tuneup after all. It was the air flow sensor which cost me 280.00 just for the part. no labor included!

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