XYZ Racing Tarmac Rally Coilovers — Mercedes-Benz C CLASS W205 8 CYL 2015-2021

The W205 C-Class’s biturbo V8 sits nose-heavy over the front axle, and on a tarmac rally stage that mass wants to keep travelling in a straight line long after the road has turned. XYZ Racing’s Tarmac Rally coilover is built to put that weight down through fast direction changes and crested compressions, instead of letting the nose dive and the rear step out mid-corner.

For sealed-stage events where the surface holds grip but throws up sharp bumps, patched repairs and camber changes between corners, this is the spec Mercedes Benz C CLASS W205 8 CYL owners fit once a fast-road setup starts running out of travel. It is built around stage speed, not showground stance.

What this coilover does for your 2015-2021 Mercedes Benz C CLASS W205 8 CYL

Fit this coilover to the W205 and the immediate difference is how the car settles after a compression instead of continuing to pump on the springs afterwards. Damper control is tuned to catch the shock loading that comes off broken tarmac and crest-and-dip stage sections, so the chassis stops moving before you are already turning in to the next bend. Traction off the line and through the exit of a hairpin improves too, because the geometry holds the tyre’s contact patch flatter to the road instead of letting the outside corner unload mid-turn. Where a road-biased setup leaves the 8-cylinder C-Class wallowing over a mid-corner ridge, this build keeps the body flat enough that the driver, not the suspension, decides when to get back on the throttle.

About the Tarmac Rally coilover

The Tarmac Rally coilover is built specifically for stage use rather than being a road or circuit coilover pressed into rally service. Its damping is calibrated to soak up the hit from uneven, patched and cambered tarmac surfaces, including the sharper, larger-amplitude bumps that a circuit-only setup is never asked to deal with. That control is aimed squarely at keeping the body settled through a stage instead of letting each impact translate into pitch and roll the driver then has to correct for mid-corner. The result is more of the tyre’s contact patch staying loaded against the road, which is where the traction gain actually comes from, not a different tyre or compound, but a chassis that stops interrupting the tyre’s job. XYZ Racing has drawn the valving and spring rates for this kit from its own Tarmac Rally programme, rather than adapting a generic track or fast-road base tune after the fact.

Fitment for the Mercedes Benz C CLASS W205 8 CYL (2015-2021)

This kit is built for the Mercedes Benz C CLASS W205 8 CYL, chassis code ME07-6, covering the 2015-2021 build range. It is specced to the 8-cylinder variant of this generation, matching damper travel and mounting to the heavier, more powerful application rather than a shared four-cylinder base kit.

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Spec is set for the ME07-6 chassis across the full 2015-2021 W205 8 CYL range – configure yours below.