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

The V8-engined W204 C-Class carries its weight forward under braking, then hands the work straight to a multi-link rear axle the moment you’re back on the throttle out of a corner – and that’s the transition where the standard dampers run out of control first. XYZ Racing’s Circuit Master coilover is built for cars doing repeated laps rather than the occasional trackday, with damping aimed at keeping the rear axle settled as load comes on and off it through a session.

For the ME44-chassis C CLASS 8 CYL cars built between 2007 and 2014, that means a kit set up around the actual mass and axle behaviour of this generation rather than a generic multi-link platform. The modified rear integration accounts for how this particular W204 configuration mounts and locates its rear end, so the geometry the car was designed around stays correct once the coilover goes in.

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

Three separate adjustment knobs feed into 9720 total damping combinations, so you can set compression and rebound independently rather than accepting one compromise setting for the whole car. On a V8 W204 that loads the front axle hard under braking and shifts weight rearward under power, that separation lets you firm up whichever end is working hardest without upsetting grip at the other. Ride height adjusts through the coilover body, so you can drop the C CLASS enough to bring the centre of gravity down for circuit work while keeping enough travel that the rear axle doesn’t run out of suspension over kerbs. The net effect on track is a car that changes direction with less body roll than the factory setup allows, with a rear axle that stays planted as the V8’s torque comes in hard out of slow corners.

About the Circuit Master coilover

Circuit Master sits at the top of XYZ Racing’s range and is built specifically for cars competing on international circuits rather than for road comfort. The damper has been run and refined by XYZ’s own racing teams on tracks worldwide, with development aimed at consistent lap times across a full session rather than a single quick lap. The three external adjustment knobs open up 9720 individual damping combinations, enough range to move from a stiff qualifying setup to a more forgiving race-distance one without swapping parts. XYZ builds the valving around small-diameter oil passages to keep response precise at the fine end of the adjustment range; over rough kerbs or track seams this can produce a faint noise from the damper as oil moves through the smaller passage, which is a normal by-product of that precision rather than a fault. It’s a kit tuned around circuit-surface inputs specifically, so the occasional noise over a kerb isn’t something a road-biased kit needs to account for.

Fitment for the Mercedes Benz C CLASS W204 8 CYL (Modified Rr Integrated) (2007-2014)

This Circuit Master kit is built for the W204-chassis Mercedes Benz C CLASS 8-cylinder cars, chassis code ME44, across the 2007 to 2014 production run, with a modified rear integration for this specific rear-axle configuration. Confirm your car matches the 8 CYL, modified rear-integrated ME44 spec before ordering, since W204 fitments vary by engine and rear-axle layout across the range.

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Get the exact Circuit Master spec matched to your ME44-chassis C CLASS – configure yours below.