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

The AMG GT S and GT C run Mercedes’ adaptive damping from the factory, and that electronic control unit is exactly what has to be removed from the equation before a fixed-rate, driver-tuned coilover can do its job properly. The Circuit Master kit for the GT S/GT C includes the cancellation hardware needed to delete the factory electronic damping signal cleanly, so the car isn’t fighting itself between two damping systems every time you turn into a corner.

That matters on a front-engined, rear-transaxle platform like this one, where weight is pushed rearward and the front axle needs to load up predictably under trail-braking. For sustained circuit lap-time work, the GT S/GT C needs a suspension that holds its set-up through a full session rather than one tuned around road-car comfort compromises.

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

With the electronic damping cancelled out and the Circuit Master’s own damper doing the work, you get a single, consistent damping curve instead of a system constantly recalculating against sensor input. The 9720-way adjustment range across the kit’s 3 damping knobs means you can set compression and rebound to suit the AMG’s nose-heavy weight transfer under braking, then hold that setting lap after a full track session rather than re-chasing it. Ride height becomes fully adjustable too, letting you correct the geometry changes that come with lowering a car this heavy at the front, instead of just dropping it and accepting whatever camber and roll centre results. For a GT S/GT C being pushed hard into apexes, that translates to a front end that loads consistently instead of pushing wide as the factory system searches for a damping mode mid-corner.

About the Circuit Master coilover

Circuit Master sits at the top of the XYZ Racing range as the dedicated circuit-spec design, built and validated by XYZ’s own racing teams across international competition rather than left as a road-biased unit with a track mode bolted on. The monotube construction and small-passage oil circuit inside the damper are deliberately built for repeated heat cycling on track; a slight noise over big bumps is a normal by-product of that small-passage design and isn’t a fault, since the kit isn’t set up to prioritise road refinement over consistent circuit performance. The 3-knob, 9720-way adjustment count exists specifically so a team or driver can find a setting for a given track and car combination rather than being stuck between a handful of pre-set modes. For the AMG GT S/GT C specifically, that adjustment range is what lets you compensate for the extra weight this platform carries over a lighter track-focused chassis, dialling compression and rebound to manage that mass under hard braking and direction changes without giving up the composure the factory adaptive system was originally there to provide.

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, covering the 2015 to 2023 model years, and includes the cancellation kit required where the car’s electronic damping control needs to be disabled for the mechanical coilover to run correctly. Confirm your GT S or GT C falls within this year span and carries the electronic damping system before ordering, since the cancellation hardware is specific to that setup.

What buyers also search for

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• AMG GT S/GT C adjustable coilovers for 2015-2023 models
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Built for owners running their GT S or GT C on circuit, not just lowering it in the driveway – configure yours below.