XYZ Racing Circuit Master Coilovers — Mercedes-Benz C CLASS W205 8 CYL (Cancellation Kit for Electronic Damping) 2015-2021

The W205 C63 arrived from the factory with electronic adaptive dampers, so a coilover swap on this V8 chassis needs more than springs and shocks – it needs a way to stop the dash lighting up once the factory control unit loses its inputs. XYZ Racing’s Circuit Master kit for the 8-cylinder W205 (2015-2021) is supplied with the cancellation solution built for exactly that problem, pairing full manual coilovers with the fix the car’s electronic damping system otherwise demands.

This is the circuit spec in the XYZ range, built for cars doing sustained lap-time work rather than the odd trackday outing. On a nose-heavy V8 W205 like this, that means controlling front-end dive under braking and keeping the rear planted through direction changes, in place of the compromises baked into the standard adaptive units.

What this coilover does for your 2015-2021 Mercedes Benz C Class

Swapping the factory adaptive dampers for a full coilover set changes how this car behaves under load. Independent height and damping adjustment lets you set the C Class down to a stance suited to circuit use, lowering the centre of gravity and cutting the body roll that comes standard with a big V8 sitting over the front axle. The Circuit Master’s 3 external adjustment knobs give you 9720 total damping combinations, enough range to firm up compression for a track session or back off rebound for the drive home. Because the cancellation kit deals with the electronic damping signal at the same time, the dash stays clean and the car’s stability and steering systems keep working from correct inputs instead of throwing faults. The result is sharper turn-in and reduced dive under trail braking – exactly where a heavy front-engined car like this loses time on a lap.

About the Circuit Master coilover

The Circuit Master sits at the top of the XYZ Racing range, built for cars doing sustained circuit lap-time work rather than occasional weekend runs. Each damper uses a small-orifice oil-path design across its 3 external knobs, giving 9720 distinct adjustment combinations across compression and rebound – enough range to correct a car’s balance corner by corner rather than settle for one compromise setting. XYZ validates the Circuit Master range through its own racing teams competing at circuits internationally, feeding that mileage back into the valving before it reaches road cars. One side effect of the small oil-path design is a faint noise over sharp bumps as oil moves through the narrow passage; that is normal for a damper tuned this precisely, not a fault. On the 8-cylinder W205 the kit uses full-length threaded bodies, so ride height adjusts independently of spring preload rather than compressing the spring to lower the car.

Fitment for the Mercedes Benz C Class W205 (2015-2021)

This kit fits the W205-generation Mercedes Benz C Class 8-cylinder cars (chassis code ME07-6-C) built between 2015 and 2021, and includes the cancellation kit required for the factory electronic damping system. Confirm your car falls within this build window before ordering, since the electronic damper wiring and control logic differ across the W205’s production run.

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Knob count and mounting hardware vary across the W205 range, so confirm your exact build before checkout – configure yours below.