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

ML350- TICKING sound coming from REAR OF VEHICLE

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Old Dec 31, 2014 | 08:03 AM
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Angry ML350- TICKING sound coming from REAR OF VEHICLE

Hello,
I have a 2003 ML350 with only 130K.
However, just yesterday, as I am driving I heard this ticking noise coming from the rear. As soon as I accelerate it starts and gets faster and faster until its like a motor clicking fast. As I decelerate, I hear it going slower and slower until I stop. It stops totally when the car is not moving. I start moving and it starts again. Its really annoying. It doesnt sound like coming from under the car. My guess is the Wiper motor but I am not sure.
Please if anyone can help, let me know.

Thanks from Toronto.
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Old Dec 31, 2014 | 11:09 AM
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I just found out the sound is coming from the right rear wheel.
Sounds like a wire is touching the wheel every time it spins. My rotor and brakes are good.
Thanks
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Old Jan 1, 2015 | 03:45 AM
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2002 ML 320 & 2006 ML500
Your rotor and brakes might be good, but you should remove the rotor and see if anything on the parking brakes shoes has become undone.
Attached Thumbnails ML350- TICKING sound coming from REAR OF VEHICLE-parking-brakes-johnma-.jpg  
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Old Jan 1, 2015 | 09:26 AM
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Originally Posted by Maj. Dundee
Your rotor and brakes might be good, but you should remove the rotor and see if anything on the parking brakes shoes has become undone.
Thanks, I will be taking it to my local mechanic tomorrow as it is too cold to work outside. Will let you know the result.
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