XYZ Racing Hollow Rear Brake Kit — Mercedes Benz C CLASS W203 C 20 (2000-2007)

The W203 carries its braking bias forward, and the standard rear discs on a C 20 were sized for steady motorway work rather than a torquey rear-drive saloon being leant on down a B-road. Once the front end is doing more, the back axle is the first place the standard setup gives up. The XYZ Racing Hollow Rear Brake Kit gives the rear of your Mercedes Benz C Class W203 C 20 the thermal headroom the factory parts run short of.

This is the rear half of a balanced upgrade for the 2000-2007 C 20: a matched pair of larger two-piece floating discs and fixed multi-piston calipers that bring rear retardation up to meet an uprated front. The point is balance. Add stopping power only at the nose and a rear-drive W203 starts to feel nervous under heavy braking into a turn; matching the rear keeps the car settled when you load the pedal.

What this rear brake kit does for your 2000-2007 Mercedes Benz C Class W203 C 20

The hollow-vane disc construction strips rotating and unsprung mass from the rear axle, so the wheels are quicker to respond and the discs shed heat faster between stops. You feel that as a firmer, more consistent pedal on a repeated downhill run or a string of track laps, where standard rear discs would start to glaze and fade. Three pad compounds let you set the bite and temperature window to how the car is actually used: Street is the quiet, low-dust daily default, Sport adds bite and heat range for fast road and the odd track day, and Racing is the full track compound for a hot session at Bedford or Cadwell. With rear and front balanced, the C 20 brakes straighter and gives you more rear-axle braking to work with on turn-in.

About the Hollow Rear Brake Kit

The kit pairs an enlarged two-piece floating disc with a fixed, multi-piston caliper in place of the W203’s sliding rear arrangement. The hollow-vane internal structure cuts weight without losing disc face area, which keeps thermal capacity high while reducing the load the car has to accelerate, stop and turn. A fixed caliper, hollow-body as standard, clamps the pad more evenly than a sliding unit, sharpening pedal feel and pad wear; a Hollow Racing upgrade rated to 1000C with a two-year warranty is offered for serious track use. Compound choice spans Street for road use, Sport for fast-road and light track work, and Racing for sustained high-temperature sessions. Included caliper finishes are Red, Yellow, Gold, Black and Anodized Black at no extra cost, with a Custom Color in any Pantone for £150, plus premium polished-forged Titanium, Polished Gold and Polished Silver and candy Teal, Blue, Red and Orange. Discs come drilled or slotted at the same price, with two-tone centre bells in five anodized colours or titanium selectable at checkout, so the rear setup matches the front and the wheel choice.

Fitment for the Mercedes Benz C Class W203 C 20 (2000-2007)

This kit is built for the rear axle of the W203-chassis C Class in C 20 specification, covering the 2000 to 2007 model years. It is a rear-position fitment and is designed to be run alongside a matching front kit for balanced bias. Confirm your exact variant and wheel clearance against the listed spec before ordering.

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Choose your pad compound, caliper finish and disc style, and the configurator above will build your rear kit.