squealing noise while driving
#1
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mercedes c300 coupe 2017
squealing noise while driving
Hello guys ..
this is my first post on this forum and im sorry its about a problem with my c300 coupe i have owned this car for about 6 months now and its around 11k and since two weeks i have been hearing a squealing noise and its making me crazy like driving an old car the sound comes when driving my car around speed 10 - 90 Km it also comes when turning the steering wheel slight left or right and it comes without applying any brakes i have posted a video on youtube and the link is bellow also i took the car to my local dealer and stayed for two days and they told me the issue is fixed and all good and they told me that the noise is due to me washing the wheels incorrectly and the grease on the pads are gone and they re greased it after one week using the car the sound is back also i noticed the sound comes when i have been driving the car for a while like half an hour or 20 minutes
can some point out what is causing this noise
this is my first post on this forum and im sorry its about a problem with my c300 coupe i have owned this car for about 6 months now and its around 11k and since two weeks i have been hearing a squealing noise and its making me crazy like driving an old car the sound comes when driving my car around speed 10 - 90 Km it also comes when turning the steering wheel slight left or right and it comes without applying any brakes i have posted a video on youtube and the link is bellow also i took the car to my local dealer and stayed for two days and they told me the issue is fixed and all good and they told me that the noise is due to me washing the wheels incorrectly and the grease on the pads are gone and they re greased it after one week using the car the sound is back also i noticed the sound comes when i have been driving the car for a while like half an hour or 20 minutes
can some point out what is causing this noise
Last edited by Q7tany; 06-28-2017 at 07:19 PM.
#3
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mercedes c300 coupe 2017
my theory is that the sound is coming from one of the front disk rotors and when the rotor is hot it scratches the rotor protector or cover and producing the squeal sound ..
hope to find a solution for it
#4
Exact same issue, started at 10,000 miles.
Sometimes its constant when in traffic and driving in a straight line, other times when going round corner.
dealer couldn't find anything.
its going back in for service soon, won't be picking up till it's fixed.
I had an issue with my airmatic collapsing at the front end, don't know if it's related
Sometimes its constant when in traffic and driving in a straight line, other times when going round corner.
dealer couldn't find anything.
its going back in for service soon, won't be picking up till it's fixed.
I had an issue with my airmatic collapsing at the front end, don't know if it's related
#5
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mercedes c300 coupe 2017
Exact same issue, started at 10,000 miles.
Sometimes its constant when in traffic and driving in a straight line, other times when going round corner.
dealer couldn't find anything.
its going back in for service soon, won't be picking up till it's fixed.
I had an issue with my airmatic collapsing at the front end, don't know if it's related
Sometimes its constant when in traffic and driving in a straight line, other times when going round corner.
dealer couldn't find anything.
its going back in for service soon, won't be picking up till it's fixed.
I had an issue with my airmatic collapsing at the front end, don't know if it's related
sounds to me MB should do a recall check on this issue .
my locale dealer is insisting that its somthing related to the breaking system eather the pads or rotors im also near my 15k service and will not pik up my car till this issue is fixed.
regarding your issue with the airmatic i dont think its related to the squealing noise due to its coming while the tyer is rotating and also the squeal is not consistent.
kindly keep this post updated if you find a solution for this issue
#6
Cheers, also disappointed with MB.
Discs / Pads replaced at 3,000 miles under warranty
Airmatic Fail at 7,000
Electrical issues at 11,000
this issue now
Whats next ?
not what I expect for £43,000
VW Passat from 10.000 to 80,000 seen less time at the dealership
Discs / Pads replaced at 3,000 miles under warranty
Airmatic Fail at 7,000
Electrical issues at 11,000
this issue now
Whats next ?
not what I expect for £43,000
VW Passat from 10.000 to 80,000 seen less time at the dealership
#7
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mercedes c300 coupe 2017
did you know why your dealer replaced your pads ?
because my dealer said to me that my pads need to be replaced on warranty when i reached 11000 kms
Last edited by Q7tany; 07-02-2017 at 08:48 PM.
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#8
Wow serious issues.
did you know why your dealer replaced your pads ?
because my dealer said to me that my pads need to be replaced on warranty when i reached 11000 kms[/QUOTE]
Discs were pitted.
lots of vibrations and shaking when braking.
did you know why your dealer replaced your pads ?
because my dealer said to me that my pads need to be replaced on warranty when i reached 11000 kms[/QUOTE]
Discs were pitted.
lots of vibrations and shaking when braking.
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Q7tany (07-20-2017)
#10
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Update..
just received my car from my local dealer. They changed the front pads under warranty and before i got home the squealing sound is back same as before and what is frustrating is that there is a new screeching sound when breaking and almost when the car stops this is the same as the breaking MB GLC issue that every one is talking about ..
now im afraid if i take it back they will do something worse with it
just received my car from my local dealer. They changed the front pads under warranty and before i got home the squealing sound is back same as before and what is frustrating is that there is a new screeching sound when breaking and almost when the car stops this is the same as the breaking MB GLC issue that every one is talking about ..
now im afraid if i take it back they will do something worse with it
Last edited by Q7tany; 07-18-2017 at 02:57 PM.
#11
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So my car is in the shop right now - they are dealing with this via a bulletin that directs them to apply some kind of grease to the suspension components in the front. I'll post the details from my invoice when I get it back.
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#12
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mercedes c300 coupe 2017
Kindly update us what happens with you ...
Seems my locale dealer does not know what is causing this squealing and just randomly changing the breaking parts in my car till the issue is solved
#14
Hey guys,
First time post as well over here. I'm having the exact same problem. Already took it to the dealer and they've replaced the brake pads and applied some kind of grease as well as mentioned above in another post.
At first it completely eliminated the noise, however two days later the same noise came back.
I'll be taking it back to the dealer next week and report back
First time post as well over here. I'm having the exact same problem. Already took it to the dealer and they've replaced the brake pads and applied some kind of grease as well as mentioned above in another post.
At first it completely eliminated the noise, however two days later the same noise came back.
I'll be taking it back to the dealer next week and report back
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mercedes c300 coupe 2017
So what I've changed/applied so far are :
1- pads ( under warranty )
2- discs ( under warranty )
3- front left tire (paid for it due to other cause)
4- applied their new lubricant ( under warranty )
All the above fixes didn't work ..
I'm out of ideas on what is causing this sound
1- pads ( under warranty )
2- discs ( under warranty )
3- front left tire (paid for it due to other cause)
4- applied their new lubricant ( under warranty )
All the above fixes didn't work ..
I'm out of ideas on what is causing this sound
Last edited by Q7tany; 08-23-2017 at 02:43 AM.
#17
My dealer just informed me that they've escalated the issue all the way to their peers in Germany.
Apparently they're going to check if someone else has had the same issue globally.
Apparently they're going to check if someone else has had the same issue globally.
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2017 C300 Coupe - Polar White/Saddle Brown (Premium, Premium Plus, Sports AMG package)
Same issue here as well. Mine is around 4K kms only. Sound comes on after driving for 20 mins or so. And it squeeks more when turning right.
The dealer suggested that it is the break pad touching the rotor while driving. But lets see if their solutions helps. Going to be taking the car in next week.
The dealer suggested that it is the break pad touching the rotor while driving. But lets see if their solutions helps. Going to be taking the car in next week.
#19
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Same issue here as well. Mine is around 4K kms only. Sound comes on after driving for 20 mins or so. And it squeeks more when turning right.
The dealer suggested that it is the break pad touching the rotor while driving. But lets see if their solutions helps. Going to be taking the car in next week.
The dealer suggested that it is the break pad touching the rotor while driving. But lets see if their solutions helps. Going to be taking the car in next week.
Still didn't find a solution for it and almost changed all the breaking parts except the calibers and still the sound exits .
Kindly keep this post updated if you find a solution fir it.
#20
So last week I got my car back from the dealer. They changed the dics and brake pads (second time for the pads) and so far so good, the sound hasn't come back.
However this tuesday I got an email regarding a recall of a fuse that is related to the engine startup. I'm writing this from the dealer as I wait, apparently it's a quick fix
However this tuesday I got an email regarding a recall of a fuse that is related to the engine startup. I'm writing this from the dealer as I wait, apparently it's a quick fix
#21
The sound is back! This is unbelievable!
Between my last post and today the dealer has changed under warranty:
Between my last post and today the dealer has changed under warranty:
- Both front calipers
- Both front rotors
- Front pads.
Also, my rear pads had to be changed. (The car has 8,700miles/14,000kms). I’m thinking that not even going to track days the pads can wear out so fast imo.
All I want to do at this stage is literally sell the car and get a BMW or Audi.
#22
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The sound is back! This is unbelievable!
Between my last post and today the dealer has changed under warranty:
Between my last post and today the dealer has changed under warranty:
- Both front calipers
- Both front rotors
- Front pads.
Also, my rear pads had to be changed. (The car has 8,700miles/14,000kms). I’m thinking that not even going to track days the pads can wear out so fast imo.
All I want to do at this stage is literally sell the car and get a BMW or Audi.
sorry to hear that bro but my dealer actually managed to solve my issue believe it or not it was the rear break pads !!
So they changed them and the sond is gone ..
so that was the solution for the squealing noise that my car makes ..
hope you get it fixed.