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Interior noises

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Old 03-07-2018, 12:30 PM
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C220d W205
Interior noises

Hello everyone,

I would like to share with you this problem to see if any other has the same problem. I have been looking for it with the search but I didn't get results...

My car is only 7 months old and I have started to hear a buzz light noise near the screen/air exits. It appears at low speed and between 1500-1800 rpm. It happens with clima ON and OFF, and with screen ON and OFF. It's aleatory, sometimes I hear it and sometimes not. It's light but if you drive with the windows closed and the clima and radio OFF you can hear it when it starts. It's like an electrical noise: grrr, or buzz. Very strange.

I just went to Mercedes and they saw that my car already has a felt for a pipeline that vibrate in the motor that it's a common bug in the car so that can't be the reason for my noise.

The strange is also that yesterday I heard some noise in the back seat behind me but I'm not sure from where exactly it comes...

I don't know, has anyone experienced something similar?

Thanks in advance!

Regards
Old 03-07-2018, 03:33 PM
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2015 c300
I've heard buzzing on mine and took it in and was told it's a known issue with the model and nothing can be done. It's like a slight hum/ buzz which gets faintly louder with acceleration, and occurs most when the engine is cold, and becomes quieter when the engine is warm. Is that the case with yours?
Old 03-07-2018, 08:01 PM
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2015 C300
Hey mine does that too. It goes away after it warms up. I can make it happen when its cold at like 1700-1800 rpm. Like an old electric football game from the 70's weher the players rattle on the vibrating metal...Only last about 5 10 minutes. I mean I wouldn't be unhappy if is wasn't there lets put it that way.. But I still like the car. Especially when I look at it. It drives real good too though..
Old 03-08-2018, 02:18 PM
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C220d W205
Hey!

Sorry for the late reply. Today and yesterday I was not able to hear that noise however, I have started to hear noise from the own driver's seat when I take the curves. Do your seat also make noise then or are they totally silent?

Thanks!

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