XYZ Racing Pro Rally Coilovers — Mercedes-Benz C CLASS W204/S204 4 CYL (Cancellation Kit for Electronic Damping) 2007-2014

The W204 and S204 C-Class arrived across much of the 4-cylinder range with a factory electronically controlled damping option, and that is the first thing a rally build has to deal with before spring rate or ride height even enter the conversation. XYZ Racing’s Pro Rally coilover for this chassis is supplied with the cancellation kit needed to take the standard ECU out of the damping loop, so the car stops trying to run its own adaptive dampers and hands full control over to a manually adjustable, gravel-and-snow-spec coilover instead.

Pro Rally is built for top-flight rally competition, not a fast-road kit wearing rally branding. On a W204 saloon or S204 estate that means a coilover with the stroke and adjustment range to cope with loose, undulating stage surfaces rather than smooth tarmac, with damping decisions made from a pre-event setup sheet rather than a dashboard menu.

What this coilover does for your 2007-2014 Mercedes Benz C Class W204/S204 4 CYL (Cancellation Kit for Electronic Damping)

Cancelling the OEM electronic damping control removes the risk of warning lights and conflicting damper commands once a third-party coilover is fitted, so the car’s electronics stop fighting the new suspension. With damping returned to manual control, you can set the front and rear independently for stage conditions rather than accepting whatever compromise the factory Agility Control system defaulted to. Rally-specific travel and ride height adjustment let you run the ground clearance a loose-surface stage actually needs, rather than the low, road-biased setting most C-Class suspension is tuned around. On the W204/S204’s MacPherson-strut front and multi-link rear, that combination gives you a platform that can absorb repeated compression events on rough ground instead of bottoming out or transmitting every impact straight into the chassis.

About the Pro Rally coilover

Pro Rally sits at the serious end of XYZ Racing’s coilover range, built specifically for gravel and snow rally competition rather than adapted from a road or circuit product. XYZ Racing draws a clear line between two ways a rally suspension gets fitted to a car: an amateur-level approach that bolts the kit directly to the original, unmodified chassis, and a professional-level approach where the bodyshell itself has already been prepared or reinforced before the suspension goes in. That distinction matters because it defines what the coilover is being asked to do – on a standard chassis it has to work within the car’s factory mounting points and geometry, while on a modified bodyshell it can be set up around a purpose-built competition structure. Either way, the Pro Rally kit for the W204/S204 is engineered around repeated hard impacts, inconsistent surfaces and the need for a driver or team to make real adjustments between stages, not just once at setup.

Fitment for the Mercedes Benz C Class W204/S204 (2007-2014)

This kit is built for the W204/S204 C-Class 4-cylinder range, chassis code ME05-C, covering cars produced from 2007 through to 2014. The cancellation kit variant applies specifically to cars originally specified with electronically controlled damping, so check which damping system your C-Class left the factory with before ordering. Both the W204 saloon and S204 estate body styles are covered under this fitment.

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Spec your damping and ride height around the way your W204 or S204 is actually going to be run – configure yours below.