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Sort of off topic...but I wanted something sportier on mine and found a thread where someone used the E500 rotors which are cross drilled and slotted. As I recall, at least for my 2005 the E55 calipers required a mounting bracket that was not readily available for use, otherwise it was a direct bolt on.
It was difficult for me to find replacement calipers for my 06. There are different caliper part numbers for W211 and they have diffrent mounting hardware. Also, make sure your rims are big enough to accommodate the AMG calipers.
To answer your question quick - in my experience, it's not a direct bolt on.
no, they do not fit the 4matic. Completely different knuckle and caliper. Different mounting points.
Thanks for the info! Too bad but I guess it makes my choices easier.
I was going to ask if the AMG spindle has any other differences other than the larger mounting point like if it was also lighter. For those that are able to use these upgrades, any reduction in unsprung weight is a great thing.
bummer. i was just contemplating this upgrade as well, but as i learned in this thread the 4matic front knuckles are different (likely to house the spindle for the front axles?) so the calipers will not bolt on.
i too wondered why the 4matics got the sliding front calipers, and not 4pots...i would imagine a heavy wagon would need more braking power albeit the stopping power on my S211 seems pretty adequate. i just don't like how the calipers look .
Last edited by timmy0tool; Mar 25, 2025 at 01:24 PM.
bummer. i was just contemplating this upgrade as well, but as i learned in this thread the 4matic front knuckles are different (likely to house the spindle for the front axles?) so the calipers will not bolt on.
i too wondered why the 4matics got the sliding front calipers, and not 4pots...i would imagine a heavy wagon would need more braking power albeit the stopping power on my S211 seems pretty adequate. i just don't like how the calipers look .
Yeah, it's a bit disappointing for those of us who want to improve braking performance but for the purposes of this car, it is fine.
But just in case, are the AMG rear brakes compatible with 4Matic or is it also a completely differernt setup? I probably wouldn't do this unless I was going to upgrade the front with an aftermarket Brembo equvalent but just good to know.
For this car, I saw that Goodridge makes a set of SS lines so I'll probably grab those, change the fluid and just stick with the Brembo or Zimmerman OEM replacement rotors and pads next time they need to be serviced and call it a day. Though my digging, it doesn't look like there are many other quality rotor or pad options for this car anyways.
Last edited by Slave IV; Mar 25, 2025 at 03:15 PM.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
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