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My 2013 GLK is making a very loud piercing sound

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Old Nov 27, 2017 | 02:10 PM
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2013 GLK Mercedes
My 2013 GLK is making a very loud piercing sound
2013 GLK Mercedes after being driven for about 20 miles makes a loud piercing sound.
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Old Nov 27, 2017 | 02:18 PM
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Racin_fool
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2008 E63 wagon (1 of 62)
did you recently do an oil change and perhaps add a bit too much oil?
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Old Nov 27, 2017 | 05:11 PM
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GLK250 BT
Originally Posted by tjanine21
2013 GLK Mercedes after being driven for about 20 miles makes a loud piercing sound.
Does it change when brakes are applied? Might be worn pads, or a rock between pad and rotor.
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Old Nov 27, 2017 | 06:02 PM
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2013 GLK Mercedes
2013 GLK piercing sound
Originally Posted by Gt. Dane
Does it change when brakes are applied? Might be worn pads, or a rock between pad and rotor.
Im due for an oil change. It’s only when accelerating not applying brakes.
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Old Nov 27, 2017 | 06:03 PM
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2013 GLK Mercedes
2013 GLK
Originally Posted by Gt. Dane
Does it change when brakes are applied? Might be worn pads, or a rock between pad and rotor.
Does not happen when applying brakes. I hear the noise when accelerating.
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Old Nov 28, 2017 | 07:38 PM
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2013 glk 350
Maybe it’s the brake wear indicator .
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Old Nov 29, 2017 | 10:24 AM
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350 GLK, C280
Only happens when accelerating? Probably the belt idler or belt itself.
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