
XYZ Racing Hollow Front Brake Kit — Mercedes Benz A CLASS W176 4 (2013-2018)
SKU: XYZ-BRK-BKF-ME-71-A-FRONT
- IncludesFront axle pair (2 discs + 2 calipers)
- PositionFront
- Disc Ø356–444 mm
- Caliper pots6 / 8 / 12-pot
- Lead time10–15 working days
Fits Mercedes Benz A CLASS W176 4 (2013-2018)
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Caliper render for this kit:

Front-wheel-drive geometry gives the W176 A-Class its characteristic directness under power and its vulnerability under sustained hard braking: the front axle handles both duties simultaneously, on a platform that weighs close to 1,400 kg in A45 AMG specification. That load is manageable in everyday use; under repeated hard stops on track, standard front disc temperatures climb faster than they would on a car with a more distributed braking balance.
The XYZ Racing front brake kit for the 2013-2018 Mercedes Benz A Class W176 4 targets the front axle specifically. It is a matched pair of forged front calipers and two-piece floating discs whose vanes move air through the disc as the wheel turns, and three pad compounds, Street, Sport, and Racing, let you configure the system for the kind of driving the car actually sees.
What this brake kit does for your 2013-2018 Mercedes Benz A CLASS W176 4
The vented two-piece floating discs keep temperatures lower than a solid disc of comparable diameter during repeated hard stops, which directly delays the point at which pad compound loses bite, and the floating ring expands on its alloy bell without coning. For A45 AMG owners running track days, that translates to more consistent pedal response on the second and third braking event at any given corner. The Racing compound extends the performance ceiling further for those carrying serious speed into braking zones. The Sport compound retains predictable bite for owners mixing fast-road work with the odd circuit session, and the Street compound stays quiet and low-dust for the daily commute, all without swapping hardware. Braided lines firm the pedal, and painted caliper colours, Red, Yellow, Gold, Black, and Anodized Black at no cost, give the installation a finished, deliberate appearance through the wheel spokes. Discs are available drilled or slotted at the same price.
About the Hollow Big Brake Kit
The caliper is a hollow-body forging as standard, and for sustained track sessions an optional Hollow Racing upgrade deletes the dust cover, is rated to 1000C, and carries a two-year warranty. The two-piece floating discs draw cooling air through the disc under rotation and carry heat away from the friction surface continuously, while the floating ring grows independently of the alloy bell. This differs in approach from slotted or drilled service discs that primarily manage gas and debris clearance; the vane construction and floating mount target temperature and distortion at source, and braided lines remove the give of rubber hoses. Pad compound spans three grades: Street for everyday use, Sport for high-performance road and occasional circuit work, and Racing for sustained track sessions. Calipers are available in five no-cost finishes, Red, Yellow, Gold, Black, and Anodized Black, with a custom Pantone match for £150, premium polished-forged finishes in Titanium, Polished Gold, and Polished Silver, and candy finishes in Teal, Blue, Red, and Orange. Centre bells can be specified two-tone or titanium.
Fitment for the Mercedes Benz A CLASS W176 4 (2013-2018)
This kit covers the Mercedes Benz A Class W176 4 across the full 2013 to 2018 production span of that body designation, fitted to the front axle. The W176 4 designation covers the four-cylinder variants within that production run. Confirm your exact build year and factory brake specification against the compatibility listing before ordering, particularly if the car is running a non-standard caliper configuration from a previous modification.
What buyers also search for
- Mercedes Benz A Class W176 front brake upgrade for road and track use
- W176 A Class big brake kit with pad compound selection
- Mercedes A45 AMG brake upgrade for track day thermal management
- Mercedes A Class 2013-2018 front disc and caliper improvement
- XYZ Racing two-piece floating disc kit for W176 performance compact
Configure yours from the options above. Compound, disc style, and caliper colour are selected when you order.
What’s in the kit
Front axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 356–444 mm: you pick the exact diameter with the "Disc size" option
- 2×Lightweight aluminium centre bells
- 2×Forged aluminium calipers — 6 / 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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