C32 AMG, C55 AMG (W203) 2001 - 2007

C55 Front Brake Discs

Old Aug 11, 2010 | 03:29 PM
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C63 AMG
C55 Front Brake Discs

When you run your finger over the front brake discs to they feel "rippled," as if there are waves in the discs themselves? Should they be smooth? I am wondering because I get pulsing and vibration through the brake pedal and thought it might be caused by warpped discs.
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Old Aug 11, 2010 | 03:49 PM
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2006 C55
Originally Posted by ozsn
When you run your finger over the front brake discs to they feel "rippled," as if there are waves in the discs themselves? Should they be smooth? I am wondering because I get pulsing and vibration through the brake pedal and thought it might be caused by warpped discs.
They should be smooth as glass. You most likely need to go ahead and replace the pads and have the rotors turned.
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Old Aug 11, 2010 | 04:26 PM
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Thanks, that is what I thought.
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Old Aug 11, 2010 | 06:04 PM
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they should look like this

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Old Aug 11, 2010 | 08:01 PM
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Originally Posted by clemson_tiger
They should be smooth as glass. You most likely need to go ahead and replace the pads and have the rotors turned.
from experience...dont cut them, slight ridges are normal for a daily driver. you can do oem rotors and aftermarket pads for around 250 if you have even the slightest bit of mechanical ability. oem pads are soft, smooth and quiet, but youll clean your wheels about every two days. my ceramics squeal every morning till theyre clean/warm, pulse now and then, but dont dust the wheels at all.
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Old Aug 11, 2010 | 11:17 PM
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This is how mine look, don't know if you can see the ripples. I do plan on autocrossing the car though so brakes are kind of important
Attached Thumbnails C55 Front Brake Discs-brake-1.jpg   C55 Front Brake Discs-brake-2.jpg  
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Old Aug 11, 2010 | 11:28 PM
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a quarter mile at a time
Originally Posted by ozsn
This is how mine look, don't know if you can see the ripples. I do plan on autocrossing the car though so brakes are kind of important
normal. Pulsation is probably from overheating your pads.
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