Skip to content

Circuit Master

XYZ Racing Circuit Master Coilovers — Mercedes-Benz C CLASS W204 8 CYL 4WD 2007-2014

SKU: ME43-CM

  • IncludesFull set of 4 (front + rear)
  • Spring rate (F/R)22 / 12 kg/mm
  • Top mountFront: Pillow ball + rubber · Rear: Aluminium
  • Lead time10–15 working days

Fits Mercedes-benz C CLASS W204 8 CYL 4WD (2007-2014) chassis ME43

Front spring rate (kg/mm)

22 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 22 kg/mm. A custom rate on this axle adds £80.00.

Rear spring rate (kg/mm)

12 kg/mm recommended

The recommended rate is the factory setup for your exact car — leave it unless a suspension specialist has specified otherwise. Recommended: 12 kg/mm. A custom rate on this axle adds £80.00.

Configured price£2,890.00Inc. VAT

Lead time: 10–15 working days from payment


£2,890.00

Made to order. Full payment is taken at checkout. Production begins once payment is confirmed.

Pay by card, Apple Pay, Google Pay — or Klarna on eligible orders.

XYZ Racing Circuit Master Coilovers — Mercedes-Benz C CLASS W204 8 CYL 4WD 2007-2014

A W204 C-Class running the 8-cylinder carries real mass over the front axle, and that mass doesn’t vanish under trail braking into a tight apex – it just transfers, hard, onto whichever corner is doing the work. The Circuit Master coilover is built to keep that transfer controlled lap after lap, not just for one clean qualifying run.

This is XYZ Racing’s circuit-focused platform for the W204 (chassis code ME43), aimed at owners doing organised track days and club circuit sessions in the 8-cylinder, 4WD-equipped car rather than a daily commute. Where a road-biased kit starts to wander after twenty minutes of hard use, the Circuit Master is set up to hold its damping character from the parade lap through to the chequered flag.

What this coilover does for your 2007-2014 Mercedes Benz C Class W204

Fitted to the W204, the Circuit Master gives you 9720 damping combinations spread across three external adjustment knobs, so you can chase a front-to-rear balance that suits a specific circuit rather than settling for one fixed compromise. On a car this heavy over the nose, that range matters most under braking, where you want the front to stay planted into the corner instead of pushing wide. Through fast direction changes it lets you firm up body control without turning the ride brittle on the way to the paddock. Because the setup is repeatable across a full session, you can make a change between runs and trust that it will behave the same way on lap eight as it did on lap one.

About the Circuit Master coilover

The Circuit Master sits at the top of XYZ Racing’s coilover range and is aimed squarely at drivers who spend their weekends on a circuit rather than a B-road. It has been run and adjusted by XYZ’s own racing teams across a number of international circuits, and that mileage has shaped a damper with 9720 individual adjustment settings, controlled through three external knobs, so the front and rear can be tuned to the demands of a specific track surface. One quirk worth knowing: the small oil passages behind those adjustment knobs can produce a faint noise when the car crosses sharp kerbs or bumps at circuit speed. That’s the damper doing its job, not a fault, and it’s a known characteristic of this design rather than something to worry about on smooth tarmac.

Fitment for the Mercedes Benz C CLASS W204 (2007-2014)

This kit is built for the Mercedes Benz C Class W204, 8-cylinder, 4WD variant, covering the 2007 to 2014 model years under chassis code ME43. Confirm your car matches this exact drivetrain and cylinder count before ordering, as the W204 range spans several engine and driveline combinations across its production run.

What buyers also search for

  • Mercedes Benz C Class W204 coilover setup for club circuit days
  • W204 8-cylinder suspension that holds its damping over a full track session
  • Circuit Master coilover adjustment range for the C-Class ME43 chassis
  • Mercedes Benz W204 track coilover kit with tuneable front and rear balance

Get the fitment right first, then work through the damping range to suit your circuit – configure yours below.

This is the best design, on the competitive version such as Racing Spec, Drift Spec, Tarmac Rally. This is the ultimate boutique for racing in many international athletics tracks, and test for a long time. This is for purchase handling high performance and the essential partner in different racing. Circuit Master Damper is tested through XYZ racing teams all over the world. 9720 ways of different adjustments can meet all customers’ needs and win the 1st place in every race.

Because its 3 adjustment knobs with small oil hole design, when driving through big bumps, the coilover oil will go through small passage which might cause some small noise. This is normal situation. This product is made for circuit tracks and there will be no concern for bumps on the tracks.

Top mounts included with your kit

Every XYZ Racing coilover kit ships with the upper mounts listed below for your exact chassis — no extra parts to source.

Front

  • Pillow ball + rubber top mountPillow ball + rubberP+Pillow-ball upper with a rubber insert — adds steering precision and camber adjustability while keeping some of the factory mount’s harshness damping.

Rear

  • Aluminium top mountAluminiumAAluminium upper mount — a stiff, lightweight housing that locates the damper precisely and resists flex under load.
Same car

Other products that fit this vehicle

Coilover ranges, brake kits and wheels for this car