Big Brake Kit
XYZ Racing Hollow Front Brake Kit — Mercedes Benz C CLASS W205 C 63 AMG (2015-2021)
SKU: XYZ-BRK-BKF-ME-087-FRONT
- IncludesFront axle pair (2 discs + 2 calipers)
- PositionFront
- Disc Ø400–444 mm
- Caliper pots8 / 12-pot
- Lead time10–15 working days
Fits Mercedes Benz C CLASS W205 C 63 AMG (2015-2021)
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Caliper render for this kit:
The W205 C 63 AMG carries around 1,750kg into every braking zone, with that twin-turbocharged V8 sitting ahead of the front axle and contributing significantly to a nose-heavy load distribution AMG engineers worked hard to mitigate through extensive use of aluminium across the bonnet, wings and front structure. On the road, the factory braking system manages it. Under sustained fast-road use or repeated hard circuit stops, where heavy brake zones follow each other inside short time windows, the thermal ceiling of the OEM setup becomes apparent as a gradually softening pedal that experienced C 63 owners know too well.
This XYZ Racing front big brake kit for the Mercedes Benz C CLASS W205 C 63 AMG addresses that ceiling directly. It is a matched pair of left and right calipers and two-piece floating discs. Three pad compounds, Street, Sport and Racing, cover the spectrum from daily use through to committed track-day sessions, so the system is specified correctly before the car ever sees a circuit.
What this brake kit does for your 2015-2021 Mercedes Benz C CLASS W205 C 63 AMG
The hollow-vane disc improves heat management by drawing thermal energy from the swept face faster than a solid rotor while maintaining the surface area that dissipates it, a meaningful gain on a car of the W205 C 63’s weight and V8-powered speed. Repeated heavy stops from motorway or circuit entry speeds are precisely where the OEM system’s limits emerge, and this kit extends that margin without requiring the driver to manage the problem through technique. Reduced rotating and unsprung mass quickens response, the two-piece floating construction controls expansion, and braided lines keep the pedal firm. The three-compound selection means cold-bite and sustained high-temperature performance are both addressed: Street for quiet, low-dust road use, Sport for spirited fast-road driving, Racing when the session demands repeated hard stops and consistent pedal feel matters most.
About the Hollow Front Brake Kit
This XYZ Racing front big brake kit is built around hollow-vane disc construction that reduces unsprung rotating mass without sacrificing the thermal capacity the application demands, with a hollow-bodied caliper as standard. Compound selection across three grades, Street for everyday use, Sport for spirited fast-road driving, and Racing for sustained circuit temperatures, means the operating window can be matched to how the car is genuinely driven rather than averaged across use cases. Discs come drilled or slotted at the same price, and an optional Hollow Racing caliper upgrade for serious track work drops the dust cover, is rated to 1000C and carries a two-year warranty. The front-specific design integrates with the existing brake lines and master cylinder, keeping the upgrade clean and the front-to-rear balance intact.
Caliper finish is selectable when you order. Five painted colours are included at no extra cost: Red, Yellow, Gold, Black and Anodized Black. A Custom Color in any Pantone is £150, with premium polished-forged finishes in Titanium, Polished Gold and Polished Silver, plus candy finishes in Teal, Blue, Red and Orange. Two-tone centre bells in five anodized colours, or titanium, are selectable at checkout to sit correctly against any wheel or body colour combination the W205 is running.
Fitment for the Mercedes Benz C CLASS W205 C 63 AMG (2015-2021)
This kit covers the Mercedes Benz C Class W205 in C 63 AMG specification across the full 2015 to 2021 model span, taking in both the original build and the post-2018 facelifted variants without fitment changes. It is specified for C 63 AMG models only, not the wider W205 C-Class family, so confirm the exact variant before ordering. Verify spoke geometry and wheel depth can accommodate the upgraded front caliper before finalising.
What buyers also search for
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- C 63 AMG front caliper upgrade with colour-matched finish options
Select your pad compound, disc style and caliper finish when you order to complete the kit.
What’s in the kit
Front axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 400–444 mm: you pick the exact diameter with the "Disc size" option
- 2×Lightweight aluminium centre bells
- 2×Forged aluminium calipers — 8 / 12-pot
- 2×High-stiffness mounting brackets
- 2×Braided stainless steel brake lines
- 4×High-performance brake pads (1 set)
- 1×Fitting hardware & tools pack
Choosing your spec
Every kit is built to order around the choices you make above. Here is what each option actually changes, so you can spec yours with confidence.
Brake pads — Street, Sport or Racing
Every kit ships with a full set of high-performance pads; the compound is your call.
Street is the right default for fast-road driving — a strong, progressive cold bite with low noise, low dust and long disc life. Sport raises the working temperature and adds bite and fade resistance for hard road use and the occasional track day, while still behaving on a cold morning. Racing is a track compound built for sustained abuse: huge fade resistance and bite once heat is in it, at the cost of more noise and dust when cold. Match the pad to how hard you actually use the brakes — there is no benefit to a race pad that never gets up to temperature.
Caliper grade — Hollow vs Hollow Racing
Hollow is the standard caliper on every kit: a hollow-body forged caliper, lighter than a solid one, fitted with a dust cover and backed by a 5-year oil-leak warranty. For most fast-road and spirited track use it is all the caliper you need.
Hollow Racing is the track-grade upgrade. It runs the same hollow body but without a dust cover (so there is nothing to melt at sustained high temperature), uses a twin-metal piston that isolates heat travelling from the disc to the oil seal, and is rated to 1000°C. Available 286–380mm (front). Warranty is 2 years on oil leaks and 10 years on appearance. Built for professional racing and repeated track days.
Caliper colour & finish
Painted colours (Red, Yellow, Gold, Black, Anodized Black) are included at no cost. Want an exact match to your car? Custom Color (+£150) paints the calipers to any Pantone code you supply (15–20 day lead time).
Polished Forged finishes are the flagship: a forged caliper given a mirror-polished surface treatment that shifts colour with the viewing angle. Beyond the looks, the polished surface dissipates heat better, resists rust and stands up to the weather. Choose Titanium (neochrome, +£350), Polished Gold (+£300) or Polished Silver (+£250). They look their best paired with a titanium centre bell. Care: clean only with a dilute neutral cleaner or water.
Candy colours (+£200) use a deep candy-paint and polishing process for a mirror-reflection, boutique finish — pick Teal, Blue, Red or Orange (shown below right).
Centre bells
The centre bell is the CNC-machined aluminium hat that joins the disc to the hub. The standard anodized centre bell is included. The Two-tone bell (+£200) adds an anodized accent ring — choose Red, Yellow, Orange, Purple or Silver right here at checkout. The Titanium centre bell (+£500) is a forged titanium bell (bolts not included) that finishes off the polished-forged look.
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