XYZ Racing Street Advanced Coilovers — Mercedes-Benz A CLASS W177 φ53 (Rear Multi-Link Suspension)(Modified Rear Integrated) 2018-2026

The W177 A-Class rides on a multi-link rear axle that’s been retuned around ride comfort more than body control, and the standard set-up leans soft in exactly the moments a keen driver notices – trail braking into a roundabout, or loading the outside rear over broken tarmac. XYZ Racing’s Street Advanced coilover addresses that directly, replacing both the spring rate and the damping curve at once so the rear end stops feeling like an afterthought.

This is the enthusiast street-and-track-day spec: not stripped-out and race-focused, not soft and comfort-biased, but built for an owner who drives their A-Class hard on the way to work and still wants to bring it to a track day without swapping suspension first.

What this coilover does for your 2018-2026 Mercedes Benz A CLASS

Ride height drops and stays adjustable, so you can dial the stance in gradually rather than committing to one setting. The 720-way damping adjustment means the front and rear response can be tuned independently to suit road surface or a specific circuit, rather than living with a single compromise setting from the factory. Body roll drops noticeably through direction changes, which matters on a front-driven chassis like the W177 where keeping the outside front tyre loaded evenly is most of the battle. Under trail braking the rear stays settled instead of stepping out of line, and steering response sharpens because there’s less suspension travel being burned on initial compression. For a car that spends most of its life on UK B-roads with the odd trackday mixed in, the range between comfortable enough for a commute and controlled enough for a fast lap is where this kit is built to sit.

About the Street Advanced coilover

XYZ Racing developed the Street Advanced over several years specifically to be the volume seller in the range, and the reason is versatility rather than outright aggression. It’s been proven across race series worldwide, then dialled back from full competition spec into something usable on public roads every day. The core of the kit is its 720-way damping adjustment, giving a far finer resolution than the 16 or 32-click dampers found on cheaper kits, so incremental changes to compression and rebound are genuinely incremental rather than jumping between noticeably different characters. XYZ position this as the kit for a driver who wants real speed and real control without needing to trailer the car to make use of it – equally at home on a daily commute, a fast road blast, or a track day entry. Construction follows XYZ’s usual monotube-style build for consistent damping under sustained use, paired with a height-adjustable perch so ride height and preload can be set independently of the damping curve itself.

Fitment for the Mercedes Benz A CLASS (2018-2026)

This kit is built for the W177-generation A-Class fitted with the multi-link rear axle (chassis code ME50-1), covering the 2018 to 2026 model years. It’s specified for the modified rear-integrated set-up, so confirm your car uses this rear suspension configuration before ordering, as the multi-link W177 differs mechanically from torsion-beam variants of the same model.

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Configure your damping and ride height spec below to match this kit to how you actually drive your A-Class.