Big Brake Kit
XYZ Racing Hollow Front Brake Kit — Mercedes Benz SLK 320 R170 (2000-2004)
SKU: XYZ-BRK-BKF-ME-008-FRONT
- IncludesFront axle pair (2 discs + 2 calipers)
- PositionFront
- Disc Ø330–444 mm
- Caliper pots6 / 8 / 12-pot
- Lead time10–15 working days
Fits Mercedes Benz SLK 320 R170 (2000-2004)
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Caliper render for this kit:
The R170 SLK 320 arrived in 2000 with a 3.2-litre M112 V6 and a rear-wheel-drive chassis that consistently caught drivers off guard. The retractable Vario-Roof package suggested a GT cruiser, but the steering weight and rear-axle balance pointed somewhere more serious. At 218bhp from a naturally aspirated V6, the 320 generates enough pace on a fast road or circuit outing that the standard single-piston sliding front calipers, architecture shared with the lighter four-cylinder SLK variants lower in the range, reach their thermal ceiling noticeably earlier than the chassis does.
This XYZ Racing front brake kit for the Mercedes Benz SLK 320 R170 addresses that front-axle deficiency across the 2000-2004 model years. It is a single-axle kit: a matched pair of front calipers and two-piece floating discs for the left and right corners, with three pad compounds and a wide range of caliper finishes.
What this brake kit does for your 2000-2004 Mercedes Benz SLK 320 R170
The hollow-vane disc improves heat dissipation at the front axle, which carries the highest braking load in any rear-wheel-drive roadster under hard deceleration. When the 320’s standard front setup fades, pedal travel extends inconsistently and the braking balance shifts rearward; the larger swept area and hollow-vane cooling remove the thermal limitation that triggers it. The two-piece floating disc on its alloy centre bell trims rotating and unsprung mass, so the R170’s strut front suspension responds more accurately to surface changes across a full session. Three pad compounds give genuine flexibility: Street is the quiet, low-dust default for everyday road use; Sport adds bite and heat range for spirited B-road driving; Racing is the full track compound for sessions where temperatures stay elevated across consecutive braking zones. Braided stainless lines keep the pedal firm, and the chosen caliper finish sits visibly behind the R170’s open-spoke alloys.
About the XYZ Racing Front Brake Kit
The hollow-vane disc at the heart of this kit reduces rotational unsprung mass compared to a solid casting while keeping enough thermal mass for sustained hard use. Reducing rotating weight at the front hubs means the MacPherson strut front suspension responds more accurately, a benefit that accumulates across a full track session or a long mountain pass rather than showing in a single isolated stop. The forged caliper is hollow-bodied as standard, with painted finishes at no extra cost in Red, Yellow, Gold, Black, or Anodized Black, a Custom Color to any Pantone for £150, polished-forged Titanium, Polished Gold and Polished Silver, and candy finishes in Teal, Blue, Red and Orange. Pad compound spans Street for daily use, Sport for confident fast-road driving, and Racing for sustained circuit temperatures. Discs come drilled or slotted at the same price, two-tone centre bells in five anodized colours or titanium, and a Hollow Racing upgrade is available for the track, dropping the dust cover, rated to 1000C with a two-year warranty. The kit covers the complete front axle as a matched pair.
Fitment for the Mercedes Benz SLK 320 R170 (2000-2004)
This front brake kit is confirmed for the Mercedes Benz SLK 320 on the R170 platform, covering the 2000 to 2004 model years. The 320’s M112 V6 specification was stable across this production period and no significant hub or front subframe changes affect fitment. Confirm your build year falls within the R170 320 run before ordering.
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Choose your pad compound, disc style and caliper finish when you order to configure the kit for your car.
What’s in the kit
Front axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 330–444 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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