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Are you certain about the front calipers and rotors? I know the rotors are bigger but as long as they fit I can upgrade the entire set. Thanks!
Look my posting over this - yes C63s is bigger.
I am pretty sure. To go 101% for sure check diameter e.g. datasheet brembo rotors 63s/63 etc. A friend has done this mod to his C63 Coupe.
Check out for Textar pads or OEM.
( if i need new rotors front i would buy not Brembo OEM style rather Brembo 09.9313.33 two parts floating disc)
You will buy new calipers ?
I would buy used in good shape - expensive things.
Last edited by C63s_Jack; Jan 25, 2026 at 03:56 PM.
Look my posting over this - yes C63s is bigger.
I am pretty sure. To go 101% for sure check diameter e.g. datasheet brembo rotors 63s/63 etc. A friend has done this mod to his C63 Coupe.
Check out for Textar pads or OEM.
( if i need new rotors front i would buy not Brembo OEM style rather Brembo 09.9313.33 two parts floating disc)
You will buy new calipers ?
I would buy used in good shape - expensive things.
Yes, I'm debating between getting a Paragon BBK vs a set of used OEM rotors + calipers. For track days.
No, the S front rotors don't fit on the non-S. As said the S front rotors are larger, so the caliper mounting points are in the wrong place on the non-S. You need brackets to mount the calipers properly in order to fit with the larger rotors.
No, the S front rotors don't fit on the non-S. As said the S front rotors are larger, so the caliper mounting points are in the wrong place on the non-S. You need brackets to mount the calipers properly in order to fit with the larger rotors.
Thanks that was crystal clear. Any brackets you know of which would work?
Thanks that was crystal clear. Any brackets you know of which would work?
No, it's not something I ever had to look into and may need to be custom made. I'm not really remembering anybody doing this. I only recall C43 owners putting the C63 (non-S) rotors on theirs as those are the same size and a direct replacement for the front. I don't remember what they did for the rears, though, as the C43 rear rotors are smaller than the C63/S rear rotors.
No, it's not something I ever had to look into and may need to be custom made. I'm not really remembering anybody doing this. I only recall C43 owners putting the C63 (non-S) rotors on theirs as those are the same size and a direct replacement for the front. I don't remember what they did for the rears, though, as the C43 rear rotors are smaller than the C63/S rear rotors.
Ok I'll see what I can dig up. Appreciate the information.
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