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

Urgent help needed

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Old Oct 1, 2012 | 01:21 PM
  #1  
Londonguy81's Avatar
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W203
Angry Urgent help needed

Hi guys

I have C class 180 W203, recently i have noticed the car is making funny noise where the Gear box is located and took it to mechanic after 20 mins drive they said no faults were found ( i wasnot presented at the time of driving). However, this freaking noise still there and i aint sure what is it . Actually when the car is stationary with engine on it doesnot make noise but you drive for 4 or 5 km then you can hear this annoying noise ( like bird singing or whistling) . Does anyone know what it could be ?


Cheers guys
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Old Oct 1, 2012 | 05:11 PM
  #2  
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From: 1 hours drive north of Sydney Australia
2007 W204 220CDI Classic Sedan
Do you have a auto or manual ?.

I have a high pitched whine from my 5 speed auto .It seems to happen on hot days & long drives.
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Old Oct 1, 2012 | 08:10 PM
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try changing your trans fluid
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Old Oct 1, 2012 | 09:08 PM
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2002 Mercedes Benz C230 Coupe
Originally Posted by Londonguy81
Hi guys

I have C class 180 W203, recently i have noticed the car is making funny noise where the Gear box is located and took it to mechanic after 20 mins drive they said no faults were found ( i wasnot presented at the time of driving). However, this freaking noise still there and i aint sure what is it . Actually when the car is stationary with engine on it doesnot make noise but you drive for 4 or 5 km then you can hear this annoying noise ( like bird singing or whistling) . Does anyone know what it could be ?


Cheers guys
Definitely sounds like the tranny fluid needs to be changed. Has it ever been changed? if so when? what year is the car?
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Old Oct 2, 2012 | 05:33 AM
  #5  
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W203
Originally Posted by Carsy
Do you have a auto or manual ?.

I have a high pitched whine from my 5 speed auto .It seems to happen on hot days & long drives.
Cheers guys for quick reply and really appreciate it @ Carsy , it s 6 speeds manual.
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Old Oct 2, 2012 | 05:37 AM
  #6  
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W203
Originally Posted by jcnash
Definitely sounds like the tranny fluid needs to be changed. Has it ever been changed? if so when? what year is the car?
I bought it last year its year 2003 and have not changed the Trans fluid since i have purchased the car.
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Old Oct 2, 2012 | 09:42 AM
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From: Philly area
350 GLK, C280
Probably the throw-out bearing but could be a synchro or needle bearing in the tranny. How many miles on the car? If you put pressure on the clutch does it go away? If yes definitely the throw-out.
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