Big Brake Kit
XYZ Racing Hollow Front Brake Kit — Mercedes Benz CLS 53 AMG 4MATIC C257 (2018-2026)
SKU: XYZ-BRK-BKF-ME-086-FRONT
- IncludesFront axle pair (2 discs + 2 calipers)
- PositionFront
- Disc Ø380–444 mm
- Caliper pots8 / 12-pot
- Lead time10–15 working days
Fits Mercedes Benz CLS 53 AMG 4MATIC C257 (2018-2026)
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Caliper render for this kit:
The C257 CLS 53 AMG 4MATIC is a four-door grand tourer that sits closer to 1,900 kg than most AMG models are comfortable admitting. That weight, combined with the 435 bhp and EQ Boost capability of the M256 inline-six, creates a specific braking problem: the factory front-axle setup handles everyday use without drama, but sustained hard use, repeated braking zones on a track day, an extended mountain pass, an autobahn session at pace, accumulates heat the original specification was not built to shed.
The XYZ Racing front brake kit for the CLS 53 AMG 4MATIC C257 addresses the front axle specifically, where deceleration loads concentrate under weight transfer. A pair of larger calipers and discs, three pad compounds and a full range of caliper finishes let you configure the kit for how you actually drive the car. You set the specification when you order from the options above.
What this brake kit does for your 2018-2026 Mercedes Benz CLS 53 AMG 4MATIC C257
Physics does not negotiate with the 4MATIC+ system under hard braking: as the C257 decelerates, weight transfers forward regardless of torque distribution, and the front axle absorbs the greater share of stopping force. A larger front assembly changes the thermal margins available before fade becomes a factor, because more rotor surface area means more capacity to absorb and dissipate the heat that builds over repeated stops. The hollow-vane disc vents air through the rotor body to manage that load, and the lighter two-piece floating disc trims rotating and unsprung mass at the front corners.
Three pad compounds work within the same hardware. Street covers daily driving without the aggression that wears hot-compound pads quickly in cold, short-journey use, and keeps dust low. Sport bridges the gap for drivers who push occasionally on the road. Racing maintains consistent bite at the higher temperatures track sessions generate. Discs are available drilled or slotted at the same price.
About the XYZ Racing Front Brake Kit
This is a direct-fit front brake upgrade designed to bolt onto the C257 front axle without additional modification. It supplies upgraded caliper hardware alongside two-piece floating discs, with the pad compound selected at order from the three grades and braided lines included for a firm pedal. The caliper is hollow-body forged as standard.
Caliper colour is also chosen at purchase and arrives fitted. Included finishes are Red, Yellow, Gold, Black and Anodized Black at no extra cost, while Custom Color matches any Pantone for an additional 150 pounds. Premium polished-forged finishes cover Titanium, Polished Gold and Polished Silver, and the candy range adds Candy Teal, Candy Blue, Candy Red and Candy Orange. Centre bells can be two-tone in five anodized colours or titanium. For serious track use the optional Hollow Racing caliper deletes the dust cover, is rated to 1000C and carries a two-year warranty. The three-compound structure lets a single physical kit cover daily commuting through to circuit-level use, with the pad grade setting temperature range and bite from new.
Fitment for the Mercedes Benz CLS 53 AMG 4MATIC C257 (2018-2026)
This front kit covers the Mercedes Benz CLS 53 AMG 4MATIC in C257 form, for all production years from 2018 through to 2026. The 53 AMG 4MATIC is the inline-six M256 mild-hybrid variant with the EQ Boost integrated starter-generator. Confirm against your chassis code and build year before ordering if your car carries any AMG Performance Package modifications to the original brake specification.
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Pick your pad compound and caliper colour above, and build the front brake specification that matches what you ask of your C257.
What’s in the kit
Front axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 380–444 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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More XYZ products for the Mercedes Benz CLS 53 AMG 4MATIC C257 appear here as the rest of the range publishes.