S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

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Old Jan 30, 2012 | 11:29 PM
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tonymai's Avatar
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2007- S550
Please help!

My car is 2007 S550; i hear the noise as I was driving at the first or second gear but I was driving at D gear? Please help me to let me know what's wrong with my car?

Thank you so much and best wishes to you.

Last edited by tonymai; Jan 30, 2012 at 11:38 PM.
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Old Feb 1, 2012 | 08:38 AM
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S550 2007
what kind of noises? Where was it coming from? At what spead is it more evident? (i.e. Does the noise go away after a certain speed?)

Need more details.
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Old Feb 2, 2012 | 07:25 PM
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MB S550
Originally Posted by tonymai
My car is 2007 S550; i hear the noise as I was driving at the first or second gear but I was driving at D gear? Please help me to let me know what's wrong with my car?

Thank you so much and best wishes to you.
I'm experienceing some engine noise too, my problem is at low rpm between 1500-2000rpm I'm not sure if it is ok, I hope it is not the fron wheel drive since I do have 4matic version
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Old Feb 2, 2012 | 09:19 PM
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2002 Mercedes S 430(GONE), 2001 E320(GONE), 2007 S550(GONE), 2009 BMW X6(GONE), 2014 S550
Originally Posted by james510
I'm experienceing some engine noise too, my problem is at low rpm between 1500-2000rpm I'm not sure if it is ok, I hope it is not the fron wheel drive since I do have 4matic version
He meant more details like, what kind of noise? Like metal on metal or like somth is scratching or knocking? Where does it appear to come from from transmossion or front left or right engine side etc?
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Old Feb 3, 2012 | 07:55 AM
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07' 911 Turbo, 09 ML63
i had a low whistling noise on driverside. benz said it was ac pulley tension and replaced it. under warrant.. now quiet as can be.. lol
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