M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Traction Control Light Flashes with Noise

Old Oct 7, 2020 | 05:25 PM
  #1  
blt212's Avatar
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2011 ML350 Bluetec
Traction Control Light Flashes with Noise

I have a 2011 ML350 Bluetec with 138K miles and today it started having a weird issue where the Traction Control Light (Triangle/Exclamation) will flash at the same time a grinding noise is coming from the front end. It happened only upon startup and driving slowly and then went away. It didn't happen in reverse. Unfortunately it has happened two more times after the car sat and then was started again so it definitely is having some kind of problem. Any ideas on what it might be before we bring it to a mechanic??
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Old Oct 7, 2020 | 05:30 PM
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2002 ML 320 & 2006 ML500
Did you ever think of opening the hood and see where the noise is coming from?
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Old Oct 7, 2020 | 06:13 PM
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2011 ML350 Bluetec
Kind of hard to do when it only happens when you're driving the car...
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Old Oct 8, 2020 | 02:57 AM
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2002 ML 320 & 2006 ML500
Originally Posted by blt212
Kind of hard to do when it only happens when you're driving the car...
Then it has to be put on a lift with the tires off the ground and the car in drive.

Also you will have to read for codes in Traction Cont. Module.

Last edited by Maj. Dundee; Oct 8, 2020 at 05:33 AM.
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Old Oct 8, 2020 | 05:10 AM
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GLC 300d 4matic
The grinding noise is probably the ABS system working....which would be normal.
Why it is working in the first place is the question.
Are you driving on some unusual slippery surface?
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Old Oct 9, 2020 | 02:09 PM
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GL550 X164
Following.... just started having a somewhat similar issue w/ my GL yesterday.
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Old Oct 9, 2020 | 10:28 PM
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The traction control light comes on because one wheel isn’t turning the same speed as the others. When you’re not on ice, this likely will be accompanied by noise.
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