XYZ Racing Tarmac Rally Coilovers — Mercedes-Benz A CLASS W177 A35 4WD φ55.5 (Modified Rear Integrated) 2019-2026

The A35 4WD carries more weight over its front axle than any other W177 in the range, a direct result of the 2.0-litre turbo four and 4MATIC hardware packed ahead of the bulkhead. On the transitions and camber changes of a tarmac stage, that mass keeps travelling after the chassis has already changed direction, and a road-biased damper simply runs out of control authority when the surface turns rough.

XYZ Racing built the Tarmac Rally coilover for exactly that load case. This φ55.5 kit is specified for the ME51-1 chassis in its Modified Rr Integrated configuration, so the rear end is set up for this specific A-Class variant rather than a generic hot-hatch spring-and-shock swap.

What this coilover does for your 2019-2026 Mercedes Benz A Class

The larger φ55.5 damper body gives the piston more surface area to work with, which matters when a stage throws a big compression event at the car with no warning. Instead of the shock body kicking back through the chassis, the damping absorbs the hit and settles the car quickly enough to get the tyre back on the road before the next input arrives. That control keeps the contact patch loaded through mid-corner rather than skating over broken surfaces, which on a nose-heavy A35 4WD translates directly into more usable traction out of tighter stage sections. The rear end’s Modified Rr Integrated setup keeps the back axle working with the front rather than pattering independently over rough sections, so the car turns in and holds a line instead of wandering as the surface changes underneath it.

About the Tarmac Rally coilover

XYZ Racing developed this damper specifically for tarmac rally use, where a car has to absorb the impact of broken and uneven road surfaces at speed without losing composure. The valving is built to soak up hard, repeated jolts across large bumps and compressions, suppressing the kind of shock-body rebound that unsettles a chassis mid-stage and costs traction at the tyre. The result is a car that holds its stability through the kind of surface changes a smooth circuit never presents, letting the driver commit to a line with the chassis staying predictable underneath them. The settings built into this kit come directly from XYZ’s own tarmac rally programme, carried over from stage running rather than derived on a flat test rig.

Fitment for the Mercedes Benz A Class W177 A35 4WD (2019-2026)

This kit is built for the W177-generation Mercedes-Benz A-Class A35 4WD, chassis code ME51-1, covering the 2019 to 2026 model years. It’s specified for the φ55.5 damper body and the Modified Rr Integrated rear configuration, so confirm your car matches this rear-end spec before ordering rather than assuming any A35 W177 kit is interchangeable.

What buyers also search for

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Get the φ55.5 Tarmac Rally kit matched to your ME51-1 A35’s rear-integrated setup, configure yours below.