W212 AMG Discuss the W212 AMG's such as the E63

Caliper Repair Kit

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Old Feb 14, 2026 | 06:16 PM
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2014 E63 / 2017 CLS 63 / 2015 G63
Caliper Repair Kit

Anyone have insight into Brake Caliper’s piston rubber boot?
looking for a caliper repair kit, “piston rubber boots”


Rockauto has few options available from Raybestos and Centric. But am not comfortable using cheap product.


Any help on this would be much appreciated!

Last edited by E63SAMG2014; Feb 14, 2026 at 06:20 PM.
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Old Feb 14, 2026 | 06:37 PM
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Double check the caliper bores are not pited by water oxydation else new rubber seals may not be effective.

Of course under low mileage with regular maintenance, aluminum bores conditions could be ok with good caliper pistons... inspection time.
🤞

Last edited by CaliBenzDriver; Feb 14, 2026 at 06:45 PM.
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Old Feb 15, 2026 | 01:25 AM
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Originally Posted by CaliBenzDriver
Double check the caliper bores are not pited by water oxydation else new rubber seals may not be effective.

Of course under low mileage with regular maintenance, aluminum bores conditions could be ok with good caliper pistons... inspection time.
🤞
simply looking for a brake caliper repair kit.
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Old Feb 15, 2026 | 02:27 AM
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2015 CLS550 Shooting brake 4-matic
Originally Posted by E63SAMG2014
Anyone have insight into Brake Caliper’s piston rubber boot?
looking for a caliper repair kit, “piston rubber boots”


Rockauto has few options available from Raybestos and Centric. But am not comfortable using cheap product.


Any help on this would be much appreciated!


Hi

I did use these: https://www.ebay.com/itm/356737716718

Rubber material feel like the same kind like in oem Brembo.

I haven't install calibers back to the car yet, but I can't see why they won't be good. Im waiting to few parts to come. Looking forward to install these to the car.




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Old Feb 15, 2026 | 02:10 PM
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Originally Posted by PekkaH
Hi

I did use these: https://www.ebay.com/itm/356737716718

Rubber material feel like the same kind like in oem Brembo.

I haven't install calibers back to the car yet, but I can't see why they won't be good. Im waiting to few parts to come. Looking forward to install these to the car.

thank you for the info!
have you had the chance to ask the seller which brand made them?
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Old Feb 15, 2026 | 02:42 PM
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No I didnt but they look and feel good. Did fit nicely in place. Seller have 100% positive rating if that counts.
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Old Feb 15, 2026 | 06:14 PM
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Originally Posted by PekkaH
No I didnt but they look and feel good. Did fit nicely in place. Seller have 100% positive rating if that counts.

excellent! Are you currently in the process of rebuilding the caliper shown in picture?
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Old Feb 16, 2026 | 01:05 AM
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2015 CLS550 Shooting brake 4-matic
Originally Posted by E63SAMG2014
excellent! Are you currently in the process of rebuilding the caliper shown in picture?
No, those are mine. I have rebuilt calibers and those are light weight performance rotors with custom "hats". I will upgrade my cars front brakes. I have a built topic in cls218 coupe section. There is more stuff about this brake job and also other upgrades etc. if you are interested to see.
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Old Feb 16, 2026 | 07:29 AM
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2015 CLS550 Shooting brake 4-matic
Originally Posted by PekkaH
Yes those are mine. I have rebuilt calibers and those are light weight performance rotors with custom "hats". I will upgrade my cars front brakes. I have a built topic in cls218 coupe section. There is more stuff about this brake job and also other upgrades etc. if you are interested to see.
EDIT: I did read previous post wrong. So did make a correct answer for it.
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Old Feb 16, 2026 | 08:01 AM
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Two sets of brake pads ago I did the (eBay) rebuild kit just as part of day to day "may we well do it". They lasted about two months. I had a leak behind a brake piston that was a PITA to figure out where and why. Got the OE set that yes - costs more (still under $100 if I am not mistaken) and has been flawless. We should be a bit careful where we cut costs....for me, it will not be on brakes going forward.

OH!!!! Now that I think about it same thing on the parking brake system of the GLS. It leaked. Had to get OE on that as well.
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Old Feb 16, 2026 | 10:42 AM
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2015 CLS550 Shooting brake 4-matic
Originally Posted by OldManAndHisCar
Two sets of brake pads ago I did the (eBay) rebuild kit just as part of day to day "may we well do it". They lasted about two months. I had a leak behind a brake piston that was a PITA to figure out where and why. Got the OE set that yes - costs more (still under $100 if I am not mistaken) and has been flawless. We should be a bit careful where we cut costs....for me, it will not be on brakes going forward.

OH!!!! Now that I think about it same thing on the parking brake system of the GLS. It leaked. Had to get OE on that as well.
Hi

Well, my idea was not to cut cost att all. Just couldn't find a OEM repair kit with inner seals and boots anywhere. Please can you give me a link where those are to sale?

What eBay rebuilt kit did you use that failed?
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Old Feb 16, 2026 | 12:01 PM
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Originally Posted by PekkaH
Hi

Well, my idea was not to cut cost att all. Just couldn't find a OEM repair kit with inner seals and boots anywhere. Please can you give me a link where those are to sale?

What eBay rebuilt kit did you use that failed?
I dont know what one it was like 2 years ago now. I considered that a lesson learned. However - YESTERDAY the kid show up with a new Mercedes oil cap for his C300 he got on eBay...did not fit. Mercedes logos on it, even the proper Mercedes part number (matching the one in my E's, GLS and the C300)...was not corrrect and did not have the metal tabs ours have (so, there is eBay for you).

For the seals, I got them at my local MB dealer (as I also could not find the real ones online).
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Old Feb 16, 2026 | 12:21 PM
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2015 CLS550 Shooting brake 4-matic
Originally Posted by OldManAndHisCar
I dont know what one it was like 2 years ago now. I considered that a lesson learned. However - YESTERDAY the kid show up with a new Mercedes oil cap for his C300 he got on eBay...did not fit. Mercedes logos on it, even the proper Mercedes part number (matching the one in my E's, GLS and the C300)...was not corrrect and did not have the metal tabs ours have (so, there is eBay for you).

For the seals, I got them at my local MB dealer (as I also could not find the real ones online).
eBay for me? Im sorry to hear that you and relative had such a bad experience from eBay stuff.

Not all stuff there is copy and bad, its not that simple.

I will go with that repair kit what I have installed and will see what happen.

But this is now off topic and is now enough for me.
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Old Feb 16, 2026 | 01:17 PM
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Originally Posted by OldManAndHisCar
Two sets of brake pads ago I did the (eBay) rebuild kit just as part of day to day "may we well do it". They lasted about two months. I had a leak behind a brake piston that was a PITA to figure out where and why. Got the OE set that yes - costs more (still under $100 if I am not mistaken) and has been flawless. We should be a bit careful where we cut costs....for me, it will not be on brakes going forward.

OH!!!! Now that I think about it same thing on the parking brake system of the GLS. It leaked. Had to get OE on that as well.

Intention isn’t to cut cost. I wish to find OE or OEM parts for it. Would you have any source?
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Old Feb 16, 2026 | 01:18 PM
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Originally Posted by PekkaH
eBay for me? Im sorry to hear that you and relative had such a bad experience from eBay stuff.

Not all stuff there is copy and bad, its not that simple.

I will go with that repair kit what I have installed and will see what happen.

But this is now off topic and is now enough for me.
keep us updated!
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Old Feb 16, 2026 | 05:45 PM
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Originally Posted by E63SAMG2014
Intention isn’t to cut cost. I wish to find OE or OEM parts for it. Would you have any source?
it was stated by old man to go to the dealer…
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Old Feb 17, 2026 | 12:31 PM
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Originally Posted by Baltistyle
it was stated by old man to go to the dealer…

dealer doesn’t have them
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Old Feb 17, 2026 | 06:52 PM
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Originally Posted by E63SAMG2014
dealer doesn’t have them
what about reaching out to brembo? I have found when parts are unobtainable at the dealer All they have to do is put in an order and eventually the parts show up. I’ve also found better options for things like this in the European marketplace but it’s been a while since I’ve looked for the caliper boots

ai also states racing brake has a good rebuild kit, and that brembo will not sell to the public… but has parts

Last edited by Baltistyle; Feb 17, 2026 at 07:11 PM.
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Old Feb 17, 2026 | 07:32 PM
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Originally Posted by Baltistyle
what about reaching out to brembo? I have found when parts are unobtainable at the dealer All they have to do is put in an order and eventually the parts show up. I’ve also found better options for things like this in the European marketplace but it’s been a while since I’ve looked for the caliper boots

ai also states racing brake has a good rebuild kit, and that brembo will not sell to the public… but has parts
interesting, definitely will reach out to brembo.
What do you mean by “racing brakes” has a good rebuild kit?
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Old Feb 18, 2026 | 12:19 AM
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https://racingbrake.com/mercedes-4/
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Old Feb 19, 2026 | 01:23 PM
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Originally Posted by E63SAMG2014
interesting, definitely will reach out to brembo.
What do you mean by “racing brakes” has a good rebuild kit?
Racing Brake is a brand name.
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