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

Brake Pad Wear Indicator

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Old Jul 14, 2010 | 08:36 PM
  #1  
jmindler's Avatar
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2007 C230
Brake Pad Wear Indicator

Hello All,
I just replaced my front and rear brake pads, rotors, and sensors. I still have the pad indicator on. OEM parts. Any ideas?
ML 350
Thanks,
John

Last edited by jmindler; Jul 14, 2010 at 08:37 PM. Reason: missing line
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Old Jul 14, 2010 | 09:57 PM
  #2  
Vernl's Avatar
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ML320CDI 2008 all options inc air suspension
Originally Posted by jmindler
Hello All,
I just replaced my front and rear brake pads, rotors, and sensors. I still have the pad indicator on. OEM parts. Any ideas?
ML 350
Thanks,
John
Faulty sensor or bad connection is all that comes to mind
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Old Jul 15, 2010 | 10:33 AM
  #3  
roadrutz's Avatar
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Joined: Oct 2008
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From: Kelowna, BC
'09 ML550
After being triggered, the sensor may need to be reset somehow. I'd invest in a call to the dealer's service department and ask.
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Old Aug 5, 2010 | 11:40 PM
  #4  
mattmancustoms's Avatar
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From: Hebron, KY
mercedes
there is no reset for these. cycling the key off, removing from the igntion and then reinserting and turning back on erases these. Sound like either you have a bad sensor or possibly bad wiring.
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Old Aug 13, 2010 | 09:18 PM
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dgiturbo's Avatar
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From: Woodstock, IL
His 2019 RAM Cummins Turbo Diesel Laramie; Her's 2007 ML320 CDI P3; Mine BMW R1200R
Double check your sensor installation. Possible you did not plug it in right or something silly like that. If sensor is good and hooked up, the light should go away when you restart.
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