XYZ Racing Tarmac Rally Coilovers — Mercedes-Benz C CLASS S206 2021-2026

The S206 C-Class arrived with a wider rear track, a four-link front and a multi-link rear that was supposed to bring the saloon closer to its E-Class sibling in terms of body control. On the optional AMG Line air setup it does – until you start asking the chassis questions a B-road or a tarmac stage actually asks. Then the soft secondary ride, the slow rebound and the conservative roll calibration show up, and the front axle starts pushing wide on turn-in.

XYZ Racing’s Tarmac Rally coilover is built for exactly that scenario: a current-generation Mercedes saloon being driven on closed, broken-surface roads where compliance matters as much as control. It rebuilds the S206 around a fixed steel platform with proper damping authority, without turning the car into a trailered track-only project.

What this coilover does for your 2021-2026 Mercedes Benz C CLASS S206

The Tarmac Rally swaps the OE air or passive struts for a 36-way adjustable monotube damper, which lets you separate compression behaviour from rebound feel and tune the car to a surface rather than to a spec sheet. On a smooth A-road in dry weather you can run firmer settings and feel the S206’s longer wheelbase finally working with you on a fast sweeper. On a damp, broken stage road you back the damping off and the car rides crests and patches without losing contact mid-corner.

Spring rates and ride-height adjustability bring the centre of gravity down without slamming the car onto its bump stops, and the camber tops at the front let you dial out the understeer the standard geometry builds in. The result is a C-Class that turns in on the brakes, rotates predictably under power, and settles instead of floating between mid-corner inputs.

About the Tarmac Rally coilover

Tarmac Rally is XYZ Racing’s specification for sealed-surface rally and fast-road stage use, sitting between the brand’s Circuit Master track kit and its Gravel Rally long-travel setup. Each strut is a single-tube high-pressure damper with 36 clicks of bump and rebound adjustment on the same dial, so corner-to-corner balance changes are a single tool job in a service halt.

Construction is hardened steel for the body and aluminium for the lower mounts, with a separate spring perch that lets you adjust ride height independently of pre-load. Camber adjustment is built into the top mounts at the strut end. The kit ships with rally-appropriate spring rates rather than the harder track-day rates XYZ supplies on its Circuit Master line, which is the right call for surfaces that are never truly flat.

Fitment for the Mercedes Benz C CLASS S206 (2021-2026)

This kit is built for the S206 chassis C-Class saloon and estate produced from 2021 to 2026, covering the W206 platform’s four-link front and multi-link rear geometry. Cars originally fitted with AMG Line air suspension will need their air units removed and the loom plugged for the dash; the coilover ships as a full mechanical replacement.

What buyers also search for

• Mercedes C-Class S206 coilover for fast road and tarmac stage use
• W206 chassis suspension upgrade with 36-way damping adjustment
• Mercedes Benz C-Class rally coilover with ride height and camber adjustment
• S206 air suspension delete with adjustable damper conversion
• C-Class 2021-2026 suspension kit for broken-surface road driving

Pick your spring rates, drop and damping spec from the configurator below to build the right Tarmac Rally setup for your S206.