AMG Brakes on R129 500? - Mercedes-Benz Forum
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post #1 of 23 (permalink) Old 04-03-2019, 11:07 PM Thread Starter
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AMG Brakes on R129 500?

Been searching and reading the hell out of this issue on this forum and other ones. I am yet to conclude anything solid from it.

What are my options for installing AMG brakes on my 500?

Any help would be appreciated.

PS: I am running 18" 2 piece AMG wheels.

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post #2 of 23 (permalink) Old 04-04-2019, 12:26 AM
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Try looking for posts under the name of Stuart Knight from the UK, he did a big brake upgrade on a SL600, this was many years ago. Good luck.

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post #3 of 23 (permalink) Old 04-04-2019, 12:30 AM
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Hi Ahmed.

With your MY you share already the biggest brakes with the SL600/55.
In other words: There are no "AMG" brakes.


Cheers, Frank
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post #4 of 23 (permalink) Old 04-04-2019, 02:20 AM Thread Starter
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Hi Ahmed.

With your MY you share already the biggest brakes with the SL600/55.
In other words: There are no "AMG" brakes.


Cheers, Frank
Hi Frank,

Thanks for the info. I would love to see what brakes came on the SL55 though, mine are definitely not beefy. The rotors are not cross drilled either.

I was under the impression the R129 55 came with big brakes. 8 pistone front and drilled rotors? Maybe 13"?? Would love to see them.

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post #5 of 23 (permalink) Old 04-04-2019, 06:49 AM
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If you remove your front calipers you will notice on the back side that they say Brembo. You already have good brakes, but if you want crossdrilled rotors get all 4 factory style. As always, Benzworld had done the work.

https://www.benzworld.org/forums/2697342-post99.html
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post #6 of 23 (permalink) Old 04-04-2019, 11:17 AM
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Originally Posted by BAHRAINI AMG View Post
Hi Frank,

I was under the impression the R129 55 came with big brakes. 8 pistone front and drilled rotors? Maybe 13"?? Would love to see them.
Eh, i know what i have on my SL55.
And yes, they are crap compared with my 390mm disks from the SL63. But seriously, where except in Germany or on the racetrack does this really matter?
And even here, the possibilities to drive 300 are rather limited.
More important are proper tyres, because they are really the limiting factor, and not the size of your d***

Cheers, Frank
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Last edited by Frank_S500; 04-04-2019 at 02:00 PM.
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post #7 of 23 (permalink) Old 04-04-2019, 12:09 PM
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Funniest guy on the forum right here

Quote:
Originally Posted by Frank_S500 View Post
Eh, i know what i have on my SL55.
And yes, they are crap compared my 390mm disks from the SL63. But seriously, where except in Germany or on the racetrack does this really matter?
And even here, the possibilities to drive 300 are rather limited.
More important are proper tyres, because they are really the limiting factor, and not the size of your d***

Cheers, Frank
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post #8 of 23 (permalink) Old 04-04-2019, 01:43 PM
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I can remember taking my W124 300E on the Portland race track during a national club meet. I would hit 100 on the straight, then brake for a sharp S-Turn at 30 mph or so. Then speed up to near 100 on the back straight. Brake.

At the end of 5 laps, my brakes were so hot you couldn't touch the alloy wheel. But the brakes were still fine.

Meaning the stock brakes on any Mercedes...are good.

I remember reading years ago a book called the "gold plated Porsche" - about a man who bought a worn out 911SC and after $100,000 (including a lot of his own work) - made it track ready.

He said something interesting: That Daimler and Porsche are the only companies that put as much effort into stopping the car as acceleration. Don't know if this is still true or not, but thought I would mention it.

If you are putting "AMG" brakes on is the master cylinder the same?

I think Frank's advice is sound.

Last edited by wlb50; 04-04-2019 at 01:46 PM.
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post #9 of 23 (permalink) Old 04-04-2019, 02:08 PM
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Originally Posted by mahunt View Post
If you remove your front calipers you will notice on the back side that they say Brembo. You already have good brakes, but if you want crossdrilled rotors get all 4 factory style. As always, Benzworld had done the work.

https://www.benzworld.org/forums/2697342-post99.html
Hmm, since the disc size is the same here, whatís the point having holes in it?
The donít brake any better, it would only reduce fading issues.
Cheers, Frank

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post #10 of 23 (permalink) Old 04-05-2019, 09:56 AM
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Frank,

I have the SA rotors on my car (converted to the bigger front brake calipers) and they look super cool through the AMG Aero II Monoblock rims.

At the time they cost the same as regular non-drilled rotors and they came with the flat grey anti-corrosion coating from the factory. They don't seem to work any less hard than the regular rotors.
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