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

electric noise with heat

Old Mar 5, 2004 | 07:51 PM
  #1  
pointman's Avatar
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a car that can't do the throttle reset.
electric noise with heat

on ym 2004 ml500 when i turn on the heat there is a noise emitted...sounds electrical. as soon as i turn the heat off, it disappears. anyone else have it? trying to figure out if it is normal.
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Old Mar 22, 2004 | 01:04 PM
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ML 270 CDI 2002
I have the same prob on my ml 270 2002. Am going back to the garage this week for some warranty work, will ask them.
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Old Mar 22, 2004 | 01:15 PM
  #3  
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a car that can't do the throttle reset.
thanks Swiss Nick, i appreciate it. let me know what they find... and thanks for replying.
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Old Mar 25, 2004 | 05:49 AM
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ML 270 CDI 2002
Went to Mercs this AM and described the problem with the fan. The guy seemed to know exactly what I was on about. The car is booked in for next week, so I will see what they do to sort the problem. Will let you know.
Nick
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Old Mar 25, 2004 | 12:39 PM
  #5  
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a car that can't do the throttle reset.
thanks, im really curious what the dealer has to say.
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Old Apr 1, 2004 | 02:28 AM
  #6  
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ML 270 CDI 2002
Well just got my beauty back from MB. I reported the noise to them and they have changed the air pump. The pump costs around 180 swiss francs- free for me under warranty. Hope this will stop the noise!!
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Old Apr 1, 2004 | 12:31 PM
  #7  
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a car that can't do the throttle reset.
thank you very much...ill let the dealer know when i bring it in!
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Old Apr 2, 2004 | 05:39 AM
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ML 270 CDI 2002
no probs.
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