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

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Old Jan 12, 2011 | 03:58 AM
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c 350
help needed

Hi, recently i've been hearing chirping noises whenever i go faster than 40mph. it gets louder as i go faster. brought it to the dealer ( the car still have cpo warranty ) but after 2 days there they said they dont know where the noise coming from / they will charge me 300 if i want them to took the car apart ) i wonder if anybody else have the same problem ( my car is a 2006 c350) or if anyone can recommend any indy shop in the oc area. Any help will be appreciated, thanks
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Old Jan 12, 2011 | 04:22 AM
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i'd take the car to another dealer(if you're fortunate to live close-by another one). sounds pretty ridiculous that they'd charge money to get to the bottom of an issue that should already be covered by warranty..

as for what it may be.. you may want to check the tensioner belt pulley and the idler pulley(taking into consideration these noises are coming from the front of the car).
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Old Jan 12, 2011 | 04:31 AM
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2006 C350 Sport 6MT
Originally Posted by sb.legacy
i'd take the car to another dealer(if you're fortunate to live close-by another one). sounds pretty ridiculous that they'd charge money to get to the bottom of an issue that should already be covered by warranty..

as for what it may be.. you may want to check the tensioner belt pulley and the idler pulley(taking into consideration these noises are coming from the front of the car).
+1, the tensioner was a common problem on these. Mine was replaced for free. Just take it back and say my tensioner is the problem and that you are aware there is a TSB on it and that they should change it for free.
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Old Jan 12, 2011 | 08:31 AM
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Is this with the blower switched off? If so it is sometimes the blower fan. If so lubricate or change bearings.
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Old Jan 12, 2011 | 10:04 AM
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2006 C350? Luxury, 4Matic or the sport model?
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Old Jan 12, 2011 | 01:18 PM
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c 350
Originally Posted by sb.legacy
i'd take the car to another dealer(if you're fortunate to live close-by another one). sounds pretty ridiculous that they'd charge money to get to the bottom of an issue that should already be covered by warranty..

as for what it may be.. you may want to check the tensioner belt pulley and the idler pulley(taking into consideration these noises are coming from the front of the car).
the noise is coming form the side of the car , can be heard if the driver window is open, and it start making noises after i drive it for 6 miles ( when everything heats up??). Not sure what to do now...bring it to an independent shop?? anybody know a reliable indy shop around oc area??
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Old Jan 12, 2011 | 01:20 PM
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c 350
Originally Posted by Karo
+1, the tensioner was a common problem on these. Mine was replaced for free. Just take it back and say my tensioner is the problem and that you are aware there is a TSB on it and that they should change it for free.
hey karo, your car makes noises too?? coming from the front or side of the car?? i'm trying to figure out what to do next...
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Old Jan 12, 2011 | 01:21 PM
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c 350
Originally Posted by Glyn M Ruck
Is this with the blower switched off? If so it is sometimes the blower fan. If so lubricate or change bearings.
i'm pretty sure the noise is coming from the side of the car...any idea what it is glyn?
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Old Jan 12, 2011 | 01:22 PM
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c 350
Originally Posted by OneOfaKindTrini
2006 C350? Luxury, 4Matic or the sport model?
i got the sport model
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Old Jan 12, 2011 | 02:32 PM
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Originally Posted by ArtG
the noise is coming form the side of the car , can be heard if the driver window is open, and it start making noises after i drive it for 6 miles ( when everything heats up??). Not sure what to do now...bring it to an independent shop?? anybody know a reliable indy shop around oc area??
Hyevon Motors in Huntington Beach http://www.hyevonmotors.com/
They are a certified MB Warranty facility
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Old Jan 12, 2011 | 02:53 PM
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Make a recording & post.
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Old Jan 12, 2011 | 04:06 PM
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c 350
Originally Posted by ROLLNNN
Hyevon Motors in Huntington Beach http://www.hyevonmotors.com/
They are a certified MB Warranty facility
ohh ok..been hearing good review about the place. i'll go there tomorrow..

thaks for the input rollin....BTW nice car u have there
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