Mercedes-Benz GLC Ignition Switch Replacement Parts

The GLC (launched 2015) uses a push-button start system with a proximity key rather than a traditional rotating ignition switch, so there is no conventional ignition barrel or switch fitted to any variant of this model. What you may actually be looking for is the start/stop button, the Electronic Ignition Switch (EIS) module, or the steering column lock unit, all of which are separate components on this car. Let your breaker know exactly what has failed and quote your registration so they can identify the correct part.

On the GLC, the equivalent of a traditional ignition switch is the Electronic Ignition Switch (EIS) module, which is part of the steering column assembly and handles the car's immobiliser and start authorisation functions. This is a different component to a simple mechanical ignition switch and is not interchangeable with one. Describe the fault and your registration to the breaker so they can pull the correct EIS unit for your car.

The GLC runs in two distinct generations: the X253 (2015–2022, with a facelift in 2019) and the X254 (2022-onwards), so a 2016 and a 2019 car are both X253 but sit either side of the 2019 facelift. Whether the pre-facelift and post-facelift EIS units are interchangeable is something you should confirm with the breaker against both registrations, as software and coding differences can affect whether the module will pair correctly with your car's other systems.

Trim level does not affect which EIS or start module is fitted to the GLC; the relevant factors are the generation (X253 or X254) and the model year rather than whether the car is Sport, AMG Line, or AMG Line Premium. You may find cosmetic differences around the dashboard area depending on trim, but the functional electronic module itself is the same across trims within a given specification. Always confirm against the donor car's registration with the breaker to ensure the module can be correctly coded to your vehicle.

Mercedes-Benz models of the same era sometimes share platform components, and the C-Class (W205) and GLC (X253) do share significant underpinnings, which means some electronic modules may originate from common parts. However, whether the EIS from a W205 C-Class will correctly pair and code to a GLC is not something that can be guaranteed, and you should put the question directly to the breaker with both registrations to hand. A specialist Mercedes breaker will be best placed to advise on cross-model compatibility for this kind of security-related module.

Because the GLC has never been fitted with a conventional keyed ignition switch, you won't find one listed for this model — it simply doesn't exist on any GLC variant. The part you need is likely the EIS module, the push-button start assembly, or possibly a related steering column component, depending on your fault. Search using those terms, or describe the symptom to a Mercedes breaker who can identify the exact part from your registration.