Clicking Sound at Idle

MilesWFB

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Joined
Feb 29, 2020
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145
Location
Kent
Car
2015 C220d S205
Hello everyone,

I have a question, I have had this clicking sound from my car at idle every since I got the car in 2014 and I have always wondered what it was.

Last year and only last year I got an advisory at the MOT for this sound and they listed it as 'vibrations under car'.

Im not really worried as it has been there for the last 7 years but I would like to know what it is.

The sound can be heard between 2 and 5 seconds and it sounds like loads of very fast mouse clicks (sorry but this is the best way I could describe it)

The sounds is not always there but it normally is there when shifting between PRND for a few seconds.

Any help is appreciated.

 
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MilesWFB

MilesWFB

Active Member
Joined
Feb 29, 2020
Messages
145
Location
Kent
Car
2015 C220d S205
If anyone has any idea that would be appreciated.
 

Tonygw

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May 30, 2019
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Location
Leicestershire
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C250 CDI AMG Blue efficiency diesel
sorry couldn't really hear anything apart from a bit of a rumble. Are there any vibrations felt in the car at idle or while driving?
 
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MilesWFB

MilesWFB

Active Member
Joined
Feb 29, 2020
Messages
145
Location
Kent
Car
2015 C220d S205
sorry couldn't really hear anything apart from a bit of a rumble. Are there any vibrations felt in the car at idle or while driving?
Sorry the video was not great

It's the clicking sound from exactly 2 seconds for 5 sends in the video.

no vibrations but it normally happens when changing gear and never when driving only ideling

Don't think it is anything bad as it has been there for years and never got worse. (only asking as I have not heard it on other om651)
 

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