XYZ Racing Tarmac Rally Coilovers — Mercedes-Benz C CLASS W204/S204 4 CYL (Cancellation Kit for Electronic Damping) 2007-2014

The W204 and S204 C-Class left the factory in Germany with an optional electronic damping system tied into the Agility Control network, and that’s the first problem for anyone building a proper tarmac rally car out of one. Before a fixed-valve coilover can go anywhere near the strut towers, the electronics have to be told the dampers aren’t there any more – which is exactly what this cancellation kit is for.

Once that’s sorted, the XYZ Racing Tarmac Rally coilover goes to work on a 4-cylinder Mercedes Benz C CLASS W204/S204 built for sealed-stage events rather than the showroom ride Mercedes tuned for. Sealed tarmac stages throw up cambers, compressions and mid-corner bumps that a circuit surface never has to deal with, and this kit is set up to control that without the car skating off-line.

What this coilover does for your 2007-2014 Mercedes Benz C CLASS W204/S204 4 CYL

On the road or over a rally stage, the multi-link front and rear suspension on the W204/S204 moves more than most drivers realise once the standard dampers are pushed past everyday use. This kit keeps that movement controlled through repeated compressions, so the tyre stays loaded and the car keeps turning in rather than skipping across a bump mid-corner. Ride height is adjustable independently front and rear, which matters on a chassis that’s nose-heavy with the 4-cylinder up front – you can trim the balance to suit a specific stage rather than accept one fixed setting for every surface. The damping is set up to soak up the jolt from a sharp ridge or pothole without the shock transmitting straight into the body, keeping traction where it belongs instead of unsettling the rear axle out of a fast corner.

About the Tarmac Rally coilover

The Tarmac Rally coilover is built specifically to deal with uneven, broken tarmac rather than the smooth surface of a circuit. Internally it’s tuned to absorb the impact from sharp ridges and larger hits without transferring that shock straight through the chassis, which keeps the tyre’s contact patch loaded and the car stable when the road surface gets rough. XYZ Racing carries this valving over from its own tarmac rally programme, so the settings reflect what’s actually needed on a stage rather than a generic road-going compromise. The result is a damper that holds the car settled through crests and compressions, giving predictable handling once the surface stops being flat. Paired with the cancellation kit, it replaces the W204/S204’s electronic damping control outright, so there’s no conflict between the factory system and the fixed valving now doing the work underneath the car.

Fitment for the Mercedes Benz C CLASS W204/S204 (2007-2014)

This kit fits the 4-cylinder Mercedes Benz C CLASS, chassis code ME05-C, across the W204 saloon and S204 estate body styles built between 2007 and 2014. It includes the cancellation kit required to disable the factory electronic damping control on cars specified with that option, so the fixed-valve coilover can be fitted without an active-damping fault appearing on the dash.

What buyers also search for

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• S204 estate coilover kit with adjustable ride height for stage prep

Configure your ME05-C-fit Tarmac Rally coilover kit for the W204/S204 C-Class below, cancellation kit included, and pick the spec for your stage.