C63 AMG (W204) 2008 - 2015
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Excessive Brake Squeal

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Old 03-18-2015, 03:50 PM
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2010 C63 AMG, 2011 Mini Cooper (work)
Excessive Brake Squeal

I've noticed that my AMG is having some break squeal. Not like all the time but here and there it makes a squealing sound, especially when stopping from slow speed.

I checked my pad depth and i'm still at a good point in it's life.... is there any reason why I would be getting this. It doesn't sound like metal-metal grinding but its still pretty darn annoying!
Old 03-18-2015, 03:53 PM
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I have this same issue but it started happening when I installed the Porterfield Racing pads on my stock rotors.. Ironically, it didnt squeal when I had the stock pads still in because it's a softer compound than the racing pads from what I've been told. Maybe it's time to get new pads or rotors.. GL
Old 03-18-2015, 03:54 PM
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My C63 is at the dealer for the second time now for this very reason. only squeals at slow light stops. but I have lots of pad and rotor left. Drives me insane!!!
Old 03-18-2015, 03:56 PM
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Can't stand it either. It makes it sound/feel like a poop-car.
Old 03-18-2015, 04:12 PM
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Originally Posted by deadfission
Can't stand it either. It makes it sound/feel like a poop-car.
Its very annoying, I know exactly what you mean.. And it's continuous sometimes when Im rolling to a complete stop at a light.. Embarrassing to say the least.. Im hoping it goes away after some time when the pads have some miles on them and even out.
Old 03-18-2015, 04:18 PM
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2009 C63 P30
The Porterfields fixed my squeaks.
Old 03-18-2015, 04:24 PM
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You guys needs to probably bed your pads in again! Happens as well when brakes are dirty. There is nothing wrong. Just use them a little bit harder!
Old 03-18-2015, 04:42 PM
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2011 C63 P31
Originally Posted by abcut973
You guys needs to probably bed your pads in again! Happens as well when brakes are dirty. There is nothing wrong. Just use them a little bit harder!
+1

Mine squeal from time to time on very slow,soft stops and I have been told unfortunately its pretty common. I do a seat belt check ( hard emergency stop) and it seems to remedy for a while. Always comes back after a month or 2.

would love if someone had another solution to this issue
Old 03-18-2015, 04:45 PM
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2010 C63 P30
Originally Posted by abcut973
You guys needs to probably bed your pads in again! Happens as well when brakes are dirty. There is nothing wrong. Just use them a little bit harder!
Yup, and the stock pads make a LOT of brake dust too which leads to the dirty factor.


most people say porterfields fix it (less dust)
Old 03-18-2015, 05:01 PM
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don't worry ...because race car


just beat it abit and it should stop.
Old 03-18-2015, 05:13 PM
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Im hoping after putting some miles on these Porterfield pads.. It'll eventually go away..
Old 03-18-2015, 05:25 PM
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Originally Posted by AMGPower88
Im hoping after putting some miles on these Porterfield pads.. It'll eventually go away..
everyone talks about how great and low dust those are, i'd imagine if you go out and do some fast hard breaking it will be fine.
Old 03-18-2015, 05:31 PM
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This has been discussed many times already in the past. Rinse them off with water.
Old 03-18-2015, 05:32 PM
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2011 C63 P31
Originally Posted by dchl21


just beat it abit and it should stop.
hopefully not a life motto
Old 03-18-2015, 09:08 PM
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Originally Posted by c63Jimbo
hopefully not a life motto
hmmm not sure what you mean ... lots of racing brakes sqeaks ..




and really if you brake hard a few times it stops making noise
Old 03-19-2015, 12:36 AM
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So whats the remedy?? I got the same problem.....such a nice ride, makes it look stupid with the squeak everytime im stopping
Old 03-19-2015, 09:18 AM
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Originally Posted by Cee6three
So whats the remedy?? I got the same problem.....such a nice ride, makes it look stupid with the squeak everytime im stopping
Heat em' up!
Old 03-19-2015, 09:30 AM
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2012 C63 P31 sedan
I would find an empty road and do some hard stops (like slam the brake pedal down) from 40 to almost 0. Do it a couple times, just like you would with new brake pads.
Old 03-19-2015, 10:19 AM
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Mine just started doing this (from about 10-15 km/hr to stop)

Will try to maybe do some braking tests and see if it fixes it
Old 03-19-2015, 10:21 AM
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TIME FOR BRAKE CHECKS!
Old 03-19-2015, 02:20 PM
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Originally Posted by deadfission
TIME FOR BRAKE CHECKS!
Or better yet, time to STFF.
Old 03-19-2015, 02:21 PM
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Someones a grumpy man today.
Old 03-19-2015, 04:34 PM
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One of the most common causes of brake squeal is glazed brake pads. Not implying that a proper bed-in wasn't conducted but one of the best ways to prevent glazed pads is by performing a thorough bedding-in procedure.

Good luck!
Old 03-19-2015, 04:37 PM
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happened to me and I took it to the dealer. They replaced the pads and I think they mentioned something about sanding the rotors... Anyway, got it back and it's fixed.

So I doubt it might be dust...might want to have it checked out.
Old 03-19-2015, 05:07 PM
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Same problem here I get a lot of head turns not because the cars look but the annoying squeaky sound....


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