S63 AMG, S63 AMG 4Matic, S65 AMG (W222, V222) 2014 -2021

Uneven Brake Pad Wear and Excessive Wear One Side

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Old Oct 21, 2019 | 10:25 AM
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recklessruss's Avatar
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2015 S63 AMG
Uneven Brake Pad Wear and Excessive Wear One Side

W222 S63 here. This is my second time changing the rear brake pads at 41K while the fronts are still going strong. What my concern is, only one side (driver side) pads have worn out completely while the passenger side pads are like new. What can be causing this? Bad Caliper? Lane assist? The mechanic conf rimed that my caliper is good. Also, mostly the inner side pad had worn out compared to the outer pads.

So i changed the pads and resurfaced the rotors and noticed that the pads are only rubbing at the outer portion of the rotor. What can be causing this uneven wear.

I found this video but not sure if the pin is the issue.

Notice the outer rotor wear. Driver side rotor

passenger side pads

driver side pads, inner pad completely worn out

uneven outta wear.

passenger side rotor
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Old Oct 21, 2019 | 07:04 PM
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Old Oct 22, 2019 | 09:33 AM
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recklessruss's Avatar
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2015 S63 AMG
Can I rebuild my caliper? or would i have to buy a new one????? Has anyone rebuilt their amg calipers before?
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Old Oct 22, 2019 | 09:59 AM
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MY17 S63AMG - MBUSA Buyback. MY16 SL63 - Sold MY19 W213 E63s. 2020 W213 E63s Wagon
What year is your S63? If you have a good working relationship with your MB service department, they can get it good will it. Or call MBUSA and ask for assistance. Get it checked first to see if it’s the caliber or rotor.

Good luck.
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Old Oct 23, 2019 | 06:08 PM
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S 63 Coupe, GLS 63
Originally Posted by recklessruss
W222 S63 here. This is my second time changing the rear brake pads at 41K while the fronts are still going strong. What my concern is, only one side (driver side) pads have worn out completely while the passenger side pads are like new. What can be causing this? Bad Caliper? Lane assist? The mechanic conf rimed that my caliper is good. Also, mostly the inner side pad had worn out compared to the outer pads.

So i changed the pads and resurfaced the rotors and noticed that the pads are only rubbing at the outer portion of the rotor. What can be causing this uneven wear.

I found this video but not sure if the pin is the issue.
https://www.youtube.com/watch?v=Gdc3PZ0gFvA

Notice the outer rotor wear. Driver side rotor

passenger side pads

driver side pads, inner pad completely worn out

uneven outta wear.

passenger side rotor
Do you use the lane keeping assist? That is the likely culprit if so.
Originally Posted by recklessruss
Can I rebuild my caliper? or would i have to buy a new one????? Has anyone rebuilt their amg calipers before?
New from MB
Originally Posted by Plutoe
No. you buy rebuilt from any auto parts store
No you can't lol. This isn't a 1989 Honda accord. There are no aftermarket suppliers who have readily available calipers for this car
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Old Jan 1, 2020 | 10:59 PM
  #6  
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S 63
I’m having the exact same issue!

On my 2015 S63 the driver side rear Is eating the outer edge second time in 3 months I have had to put pads. Yes I use lane assist also. Did you find out the reason for it yet?
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