C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Weird noise like a cd rubbing

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Old Jun 8, 2026 | 05:01 PM
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Weird noise like a cd rubbing

Hi guys I have a mercedes c180 sport coupe 2007

There is a weird sound coming from the dashboard it's not clicking or chirping sound.
To the moderator I did read you have mentioned not to create repeat posts I did search online and on this forum nothing like this sound has been mentioned.
The sound starts as soon as the car moves
Checked disk dust shield it's not that nothing under the car that makes that sound, Removed the middle dashboard bits stereo - vent - climate control panel I can't pin point the noise online people say it's HVAC motor so on but they make clicking sound this is different.

I would really appreciate the help.

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Old Jun 8, 2026 | 08:35 PM
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That's very concerning. I hope you're not continuing to drive on that. My guess it's something related to the wheels tires or brakes.
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Old Jun 8, 2026 | 08:43 PM
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Originally Posted by smgak
That's very concerning. I hope you're not continuing to drive on that. My guess it's something related to the wheels tires or brakes.
Just 10 days ago car had a full service Break pads have been replaced the sound does not come from wheels or tyres checked all those no sound on the outside of the cad only on the inside middle dashboard.
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Old Jun 8, 2026 | 10:07 PM
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That doesn't make any sense, since the sound changes with vehicle speed.
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Old Jun 8, 2026 | 10:09 PM
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Originally Posted by smgak
That doesn't make any sense, since the sound changes with vehicle speed.
I know tried everything to pin point a d find out and as far as I can tell its not coming from the wheels or outside.
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Old Jun 9, 2026 | 11:01 PM
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Maybe the transmission? is your car a 4matic?
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Old Jun 10, 2026 | 09:50 PM
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Originally Posted by smgak
Maybe the transmission? is your car a 4matic?
I don't think so
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Old Jun 10, 2026 | 10:30 PM
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How fast were you moving in this recent video? Have you tried going faster like around 60 mph?
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Old Jun 11, 2026 | 12:00 AM
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Originally Posted by smgak
How fast were you moving in this recent video? Have you tried going faster like around 60 mph?
This was about 2 to 5 miles an hour just in the local car park, on the motorway did 70 or more the sound gets sharper and faster, strupped the whole front middle dashboard including gear knob panels still can't come to a conclusion.
If it's the driveshaft the sound should be on the outside as well or if the disk dust shields
Seems to be around here to be honest but I can't be sure
Seems to be around here to be honest but I can't be sure .
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Old Jun 11, 2026 | 12:06 AM
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Idk what to say dude. It's related to your vehicle speed but I cannot pinpoint it without seeing the car. Best to take to someone for their opinion.

my Last guess is that it's the transmission and the noise is being transmitted through a flattened transmission Mount. Still think you should have someone else look at it in person.
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Old Jun 15, 2026 | 09:49 AM
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Originally Posted by smgak
Idk what to say dude. It's related to your vehicle speed but I cannot pinpoint it without seeing the car. Best to take to someone for their opinion.

my Last guess is that it's the transmission and the noise is being transmitted through a flattened transmission Mount. Still think you should have someone else look at it in person.
Took the car to my mechanic he said it was the handbrake cable that was touching the prop shaft and it's common on these models the clip breaks and this happens.
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Old Jun 15, 2026 | 02:56 PM
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lol I would have never guessed that. Glad you took the car in and got it solved!
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