XYZ Racing Circuit Master Coilovers — Mercedes-Benz C CLASS W204 8 CYL (Modified Rear Integrated) (Cancellation Kit for Electronic Damping) 2007-2014

The W204’s V8 versions shift weight rearward hard under power, and the factory electronic damping control was tuned around comfort settings that a circuit day exposes fast. The XYZ Racing Circuit Master coilover for the Mercedes Benz C Class W204 8 CYL replaces that control loop entirely: this kit is built for the modified rear-integrated setup and includes the cancellation kit that removes the factory electronic damping module from the wiring, so the car reads purely from the coilover’s own valving.

Circuit Master is XYZ Racing’s platform for sustained circuit lap-time work, not a one-lap show run or a fast-road commute. On a heavy, torque-rich C Class, that’s the difference between a car that holds its line for a full session and one that starts to wallow by lap six.

What this coilover does for your 2007-2014 Mercedes Benz C Class W204 8 CYL

With the factory electronic damping cancelled out, every damping decision on this C Class runs through the Circuit Master’s own three external knobs, and the 9720-way adjustment range behind them means you can chase a genuinely different rebound and compression setting for every venue rather than living with one factory compromise. That range matters on a V8 W204: enough low-speed compression to control the nose diving into a braking zone, enough rebound control to stop the rear axle unloading over exit kerbs once the throttle goes back down. The modified rear-integrated design keeps the geometry the C Class was built around, so the extra adjustment is added control, not a compromised rear end. Ride height and corner balance both become adjustable inputs instead of fixed factory numbers, which is what lets you trim the car’s cornering attitude to how it’s actually loaded on track.

About the Circuit Master coilover

Circuit Master sits at the top of XYZ Racing’s competition-focused range, alongside the brand’s Racing Spec, Drift Spec and Tarmac Rally dampers, and it’s been developed and run by XYZ’s own racing teams on international circuits rather than tuned purely on a bench. The headline figure is 9720 individual damping combinations, reached through three external adjustment knobs rather than a single dial, giving separate control over the compression and rebound circuits instead of one blended setting. That resolution comes from a small-oil-hole valving design inside the damper body: it’s precise at circuit speeds and loads, but on rough tarmac or a speed bump it can produce a faint clicking or knocking as oil passes through the narrow passage. That’s a known characteristic of this valving, not a fault, and it’s the trade-off for the fine adjustment the damper is built to deliver on a track surface rather than a pockmarked B-road.

Fitment for the Mercedes Benz C Class W204 8 CYL (2007-2014)

This kit is built specifically for the W204-generation C Class fitted with the 8-cylinder engine, covering the 2007 to 2014 production run, and is specified for the modified rear-integrated setup with the electronic damping cancellation kit included. Confirm your car matches the W204 8 CYL chassis code (ME44-C) before ordering, since damping and electronic integration differ across the W204’s engine and equipment variants.

What buyers also search for

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This fitment is specific to the W204 8 CYL, modified rear-integrated, cancellation-kit spec – configure yours below to match your exact car.