C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

sounds like a loose pulley?

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Old Oct 11, 2006 | 08:02 PM
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alwayzspeedin's Avatar
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boosted IS300/ 05' c230 kompressor
sounds like a loose pulley?

i notice when i'm driving the car i hear a high whining sound like a loose pulley...anyone have this problem or any info before i take down to the dealer..
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Old Oct 11, 2006 | 10:13 PM
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MB has been known to have the bearings in idler pulleys go bad. If your car is under warranty, enjoy the loaner while they figure it out.
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Old Oct 11, 2006 | 10:15 PM
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Midnight Blue 2004.5 C230 Kompressor Sport Sedan. 2002 w210 E320, 2009 w211 E350 Sport
Originally Posted by alwayzspeedin
i notice when i'm driving the car i hear a high whining sound like a loose pulley...anyone have this problem or any info before i take down to the dealer..
You're positive that's not the supercharger?...
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Old Oct 11, 2006 | 10:58 PM
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From: bay area
boosted IS300/ 05' c230 kompressor
i'm positive its not the supercharger..i use to have a supercharger in my is300 before the trubo setup
i know the sound of the charger
damn i only had the car for a month...POS
thanx for the heads up guys

Last edited by alwayzspeedin; Oct 11, 2006 at 11:01 PM.
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Old Oct 12, 2006 | 11:42 AM
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You had it a whole month and only one problem, you should be happy. I'm assuming you got it used and the last person sold it because of all the problems. I'm going through the same think on my kids SLK, one $800 level problem per month, thank goodness I've been able to fix each one on the cheap. At least yours is under warranty.
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Old Oct 12, 2006 | 12:03 PM
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Midnight Blue 2004.5 C230 Kompressor Sport Sedan. 2002 w210 E320, 2009 w211 E350 Sport
Originally Posted by alwayzspeedin
i'm positive its not the supercharger..i use to have a supercharger in my is300 before the trubo setup
i know the sound of the charger
damn i only had the car for a month...POS
thanx for the heads up guys
I figured that with your list of cars. I was just messin' with you. Buellwinkle may be right on this one, but it would be easier if you had an audio clip of it. If you can't get that, I'd say bring it to the dealership if it's still under warranty and just ask them if you can take them around to hear the noise.
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Old Oct 12, 2006 | 07:48 PM
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boosted IS300/ 05' c230 kompressor
yeah its used i bought it for the wife to drive as a daily driver..bought it with 12,000 miles on it car was mint condition still smells new inside..
ill be taking it to mercedes tuesday let them deal with it
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