M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

where's the noise coming from?

Old Nov 4, 2002 | 06:58 PM
  #1  
discotu's Avatar
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where's the noise coming from?

I have a '99 ML 430 with a grinding/ticking noise coming from around the rear passenger footwell. It is more noticeable at slower speeds and when turning. My first guess would be the transfer case but I am unfamiliar with MBs. I am going to be taking it in for service for the noise and a broken window switch...anything else I should look at before taking it in?

Thanks in advance
Brian
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Old Nov 4, 2002 | 10:42 PM
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Darkmann's Avatar
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ML
I know on earlier models, there's a retrofit plastic piece for the tranny. They'll do this retrofit with a tranny service. You may want to ask them about that.
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Old Nov 5, 2002 | 02:34 PM
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champa's Avatar
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From: florida
e500 4matic; c240
like clicking right? could be torsion bars...

like clicking right? could be torsion bars...
Mine had a similar thing, they said it was the torsionbars needing greasing. They did and the noise was gone for a month. The clicking is gone now, but a new noise has come, more like a cricking sound. They are taking a look at it now.

Unless you are under warranty that will be $200 for greasing, since they will remove the torsion bars.
You could always try this:

http://www.4x4abc.com/ML320/ml320_torsions.html
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Old Nov 5, 2002 | 04:18 PM
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thanks for the response guys. The sound doens't just click but it actually has a fequency to it, like something turning. I know this cuz the fequency of the sound picks up if i go faster. Well, I take it in tomorrow morning so we'll see then. I'll prb have to take a tech for a short drive to point out the noise. Of course Murphy will probably be there as well....
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