2015-2021 Mercedes-AMG C63 S / C63 / C43 / C450 (W205/S205/C205/A205) Carbon Ceramic Brake Rotors
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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Will This Fit My Car?
Direct Replacement CCB Discs (Retain Factory Calipers) for the 2015-2021 Mercedes-AMG C63 S / C63 / C43 / C450 (W205/S205/C205/A205). Factory rotor specifications and the smallest wheel that clears each trim:
| Trim | Front Rotor (Factory) | Rear Rotor (Factory) | Min. Wheel Size |
|---|---|---|---|
| C63S | 390mm, 402mm (CCB) | 21" | |
| C63/C43/C450 | 360mm | 19" | |
| C63S/C63 | 360mm | 19" | |
| C43/C450 | 320mm | 17" |
Keep Your Factory Calipers?
The rule is simple: front factory calipers must be 4-piston or more; the rear has no limit. A 1- or 2-piston floating front setup cannot take direct-replacement discs — that car needs the Full Upgrade kit with calipers. We build to the factory rotor specs above. Aftermarket calipers (Brembo, AP Racing, Alcon, Wilwood) work too — send the caliper model, pad shape, and rotor size for confirmation first.
Spoke profile and offset also affect clearance — confirm your exact wheels before ordering.
What's in the Box
| Item | Details |
|---|---|
| Product type | Direct Replacement CCB Discs (Retain Factory Calipers) |
| CCB rotors | Full-car set by default, built to the factory rotor specification |
| CCB brake pads | Matched ceramic-compatible compound for StopFlex carbon ceramic rotors |
| 7075 aluminum floating rotor hats | Vehicle-specific fitment; custom rotor hat colors available for every Direct Replacement order. |
| Stainless floating hardware | Full-car hardware set |
| Order scope | Default listing is full-car set. Front-only or rear-only orders can be arranged after confirmation. |
Why Carbon Ceramic — and Why StopFlex
Long Street-Service Life
In normal road use with matched pads and correct bedding, one StopFlex CCB rotor set is engineered to outlast several sets of iron replacement rotors, recovering part of the up-front cost.
Low Visible Dust
Matched with StopFlex pads, the system sheds a fraction of the dust an iron rotor and pad combination throws. Wheels stay clean for weeks of driving instead of days.
Premium Ceramic-Glaze Finish
StopFlex's proprietary coating gives the disc a bright ceramic-glaze surface with subtle texture — the factory carbon-ceramic look, clearly visible through open wheel designs.
Continuous Fiber Construction
StopFlex discs are built with long continuous carbon fiber instead of chopped short fiber. Continuous strands carry load across the whole rotor body, raising strength and thermal durability under heat cycles.
Bespoke Per-Vehicle Engineering
Every order is machined to the confirmed vehicle and trim. Brackets, hat offsets, and pad shapes are built for that exact car — never pulled from a one-size-fits-all catalog.
CCB-Specific Pad Compound
A low-metallic resin pad compound reinforced with steel, copper, and aramid fiber, made for ceramic discs: stable to about 750 °C, roughly 0.44 average friction, strong fade resistance, low rotor wear.
Lower Unsprung Mass
A carbon-ceramic rotor weighs roughly half of the equivalent iron disc. Less rotating, unsprung mass lets the suspension follow broken pavement more cleanly and makes steering response noticeably sharper.
High-Temperature Stability
The carbon-silicon-carbide friction matrix keeps working at temperatures that push iron rotors into heavy fade, so the tenth hard stop feels like the first — same pedal travel, same bite point.
Rust-Free Rotor Surface
Ceramic discs cannot flash-rust. After rain, a wash, or weeks of parking, the rotor face behind your open-spoke wheels stays clean — no orange ring on a freshly detailed car.
Winter & Cold-Weather Braking
Cold facts first: an untuned ceramic disc bites less than iron on a freezing morning — physics, not a defect. StopFlex tuned both the pad compound and the disc's ceramic coating for cold starts, so winter cold-car braking now feels very close to summer. Leave extra margin on the very coldest first stops; severe-climate daily drivers should build Street Spec.
Choose Your Rotor: Street, Track-Day, or Motorsport
Street Spec
Ceramic coating, cross-drilled face, and large cooling channels.
Best for daily driving and premium street builds that need clean cold bite, low dust, corrosion-free appearance, and long service life.
Track-Day Spec
Ceramic coating, blank face, and honeycomb cooling channels.
Best for fast-road and track-day use where repeated braking stability matters more than maximum visual drilling style.
Motorsport Spec
Uncoated blank face with honeycomb cooling channels.
Best for race-focused builds that run competition pads, high-temperature fluid, cooling strategy, and a proper warm-up window. Not the default street choice.
Heat Management Note
Ceramic discs shrug off surface temperatures that would destroy iron, but the rest of the system still heats up: pads, fluid, seals, calipers, and wheels all absorb soak heat during repeated hard stops. For track days, long descents, and sustained hard driving, run brake cooling and high-temperature fluid.
Get Your Fitment Confirmed
Before ordering, tell us the exact vehicle, current rotor sizes, and caliper type. Nothing goes to production until the build is confirmed against your VIN-level configuration.
FAQ
Will these fit my exact C-Class, or only the C63 S?
Fitment is trim- and size-specific. Front rotors match 390mm or 402mm CCB on the C63 S, and 360mm on the C63, C43, and C450. Rear rotors match 360mm on the C63 S and C63, and 320mm on the C43 and C450. This is a Direct Replacement kit that reuses your factory calipers, so the front caliper must be 4-piston or larger — which the AMG-line calipers on these W205/S205/C205/A205 cars are. Confirm your factory rotor size before ordering, since a C43 with 360mm fronts is not the same setup as a C63 S with 402mm fronts.
How do these behave in winter and cold weather?
A cold carbon-ceramic disc naturally bites a little less than cold iron on the very first stops — that's physics, not a fault. We addressed it two ways: the pad is a carbon-ceramic-specific low-metallic resin-composite compound, and the ceramic disc coating is tuned for cold starts. In practice, cold-car braking on a winter morning now feels very close to a warm summer stop. On the coldest first stop of the day, leave a little extra following distance until the system takes its normal bite — the same habit that's smart on any high-performance brake.
Do carbon-ceramic rotors work with the electronic parking brake on my W205?
Yes. These cars use an electronic parking brake acting on the rear axle, and the kit is built to work with it. The rear rotors, hats, and floating hardware are matched to your trim's rear size — 360mm on the C63 S and C63, 320mm on the C43 and C450 — so the EPB operates exactly as it does on the factory setup. Nothing about your parking-brake function changes.
How long do these last and are they easy to damage in normal use?
Carbon-ceramic discs don't wear like iron. The material resists the surface scoring and heat-related warping that shortens iron rotor life, so on a street-driven C43 or C450 they typically outlast several sets of iron rotors. They are not fragile in daily use — you don't need to baby them. The main thing to avoid is hard impact to the disc edge and mismatched pads. Use the supplied carbon-ceramic pads (about 0.44 average friction, fade-resistant to roughly 750 °C) to keep the friction pairing correct and protect disc life.
More Contact Information
We’re here to help! Whether you need expert advice on brake setups, have questions about your order, or just want to share feedback, our team is ready to assist you. Reach out via your preferred channel below, or use the inquiry form.
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