XYZ Racing Tarmac Rally Coilovers — Mercedes-Benz AMG GT S/ GT C (Cancellation Kit for Electronic Damping) 2015-2023

Stage rally on tarmac punishes a chassis differently to a circuit lap – the surface changes camber and grip mid-corner, and the AMG GT’s front-engined, rear-drive layout needs a damper that keeps the front axle loaded through compressions instead of skipping across them. The Tarmac Rally coilover replaces the GT S/GT C’s electronic damping with a fixed mechanical setup built around that exact demand, so the chassis reacts the way the driver commands rather than the way an ECU predicts.

This kit is the cancellation-kit variant, meaning it’s built specifically to remove the factory adaptive damping system rather than work alongside it. For the AMG GT S/GT C on stage work, that matters: electronic damping is tuned for road compliance and circuit consistency, not for the sudden, repeated compressions a rally surface throws up over a stage.

What this coilover does for your 2015-2023 Mercedes Benz AMG GT S/ GT C (cancellation Kit For Electronic Damping)

Once fitted, the AMG GT’s nose settles into bumps instead of deflecting off them – the damper is tuned to absorb the jolt from a sharp compression and hold the tyre’s contact patch down rather than let the impact bounce through the body. That directly protects traction on loose or broken tarmac, where every millisecond of contact-patch loss costs time. Because the shock body is controlled rather than left to react on its own, body movement through transitions is more predictable, which matters on a car with the GT’s front-engined weight bias when it’s asked to change direction quickly over uneven surfaces. The result is a car that holds its line through a stage rather than one that’s constantly correcting for the last bump.

About the Tarmac Rally coilover

The Tarmac Rally is XYZ Racing’s damper built specifically for sealed-stage tarmac rally use, where the surface is consistent but far from smooth. Its valving is set up to absorb impacts from uneven pavement and larger bumps without transmitting that energy into the chassis as harshness, which is what suppresses shock-body movement and keeps the tyre loaded through the impact. That control is what preserves traction rather than losing it the instant the surface breaks up. The damping settings themselves come directly from XYZ’s own tarmac rally programme, carried over from stage running rather than derived on a bench. On the AMG GT S/GT C, fitted as the cancellation-kit version, the coilover takes over full control of ride and body management from the deleted electronic system, giving the driver one damping character to learn rather than software layered on top of a mechanical spring.

Fitment for the Mercedes Benz AMG GT S/ GT C (cancellation Kit For Electronic Damping) (2015-2023)

This kit is built for the Mercedes Benz AMG GT S/GT C, chassis code ME54-C, across the 2015 to 2023 production run. It’s specifically the cancellation-kit configuration, engineered to physically and functionally replace the factory electronic damping hardware rather than retrofit around it – confirm your car uses the adaptive damping system before ordering this variant.

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Spec your AMG GT S/GT C to this exact damping profile and configure yours below.