XYZ Racing Tarmac Rally Coilovers — Mercedes-Benz GLC X253/C253 8CYL 4WD 2016-2022

The GLC X253’s 4WD platform carries real mass over the front axle once you’re into the V8-adjacent 8-cylinder cars, and on a loose or broken tarmac stage that weight transfers hard into the outside front corner the instant you turn in. A road-biased air or steel spring set-up struggles to keep that mass controlled when the surface changes mid-corner. The Tarmac Rally coilover is built specifically for that scenario – sealed-stage work where grip drops without warning.

Where a track coilover assumes a consistent, grippy circuit surface, this kit is calibrated for the opposite: cambered gravel-to-tarmac transitions, mid-corner bumps, and compressions that arrive without notice. For a GLC X253/C253 running the 8-cylinder 4WD driveline, that means damping that reacts to the road rather than fighting a fixed setting.

What this coilover does for your 2016-2022 Mercedes Benz GLC X253/C253 8CYL 4WD

The core job of this damper is absorbing big, sudden hits without transmitting them straight into the chassis. On broken tarmac and uneven stage surfaces, the GLC’s front end sees repeated jolts through the strut top and subframe mounts; this kit is tuned to absorb that impact rather than let it kick back through the steering. Suppressing shock body movement through the compression and rebound stroke keeps the tyre’s contact patch loaded more consistently, which is what actually puts power down through a 4WD system when the surface underneath is inconsistent. On a car with the 8-cylinder’s weight and torque, that stability is what keeps the GLC settled through a stage rather than pattering and losing traction over crests and lumps. The result on-road is a car that tracks straight under braking into a rough corner instead of skipping wide.

About the Tarmac Rally coilover

XYZ Racing built the Tarmac Rally line around sealed-stage tarmac work specifically, not circuit lapping – the distinction matters because a rally stage throws unpredictable compressions at a damper where a track corner repeats the same load every lap. The valving is set to absorb a big, sudden bump without the shock body kicking back, so the tyre keeps its traction rather than skipping over the top of the disturbance. That translates into the vehicle stability XYZ Racing has carried over from its own tarmac rally programme, where the settings on this kit originate. Applied to the GLC X253/C253’s 8-cylinder 4WD architecture, the coilover’s job is to keep that considerable mass composed when the road surface stops cooperating – absorbing the hit, controlling the rebound, and putting the tyre back down where it can generate grip. It’s a damper built for the moment the surface changes underneath you, not for a smooth, predictable circuit.

Fitment for the Mercedes Benz GLC X253/C253 (2016-2022)

This kit is built to the ME38 chassis code, covering the Mercedes Benz GLC X253/C253 8-cylinder 4WD variant across the 2016-2022 model years. Confirm your GLC is the 8CYL 4WD configuration before ordering, as damping calibration is specific to this drivetrain and body combination.

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Spec your Tarmac Rally coilover to the exact GLC X253/C253 8CYL 4WD trim below – configure yours below.