Second Hand Mercedes-Benz SLK Engine Mount

The Mercedes-Benz SLK ran across three generations: the R170 (1996–2004), R171 (2004–2011), and R172 (2011–2016), and engine mounts are not interchangeable between generations as the subframe and engine bay geometry differ. Even within a generation, the mount you need is driven primarily by your engine code rather than the model year alone, so a same-generation swap is more likely to work but still needs verifying. Find your engine code on your V5 or a VIN check and supply it to the breaker before ordering.

The engine code matters above everything else for an SLK engine mount, because different engines — for example the M271 four-cylinder petrol versus the M272 V6 — use different mounts even within the same R171 generation and the same model year. Two SLKs registered in the same year can have completely different mounts depending on whether they are the SLK200, SLK280, or SLK350, all of which use different engines. Always give the breaker your engine code, which you can find on your V5 logbook or by running a VIN check.

Yes, it matters significantly, because the SLK200 Kompressor (R171, M271 engine) and the SLK250 (R172, M271 EVO engine) are from different generations with different engine configurations, so their mounts differ. The trim name itself — Kompressor, Sport, AMG Line — does not affect which mount you need, but it is a useful clue to the engine underneath. Focus on confirming your exact engine code with the breaker rather than the trim badge.

Gearbox type can affect engine mount selection on some SLK variants because the overall drivetrain layout and torque characteristics differ, and some mounts are specific to manual or automatic applications. It is worth telling the breaker whether your car has the manual or the 7G-Tronic automatic when requesting a quote. This is one detail to confirm against your specific registration rather than assume compatibility.

No — the R171 (2004–2011) and R172 (2011–2016) are distinct generations with different engine bays and subframe designs, so their engine mounts are not interchangeable. Even if both cars share a similar engine family, the mounting points and bracket geometry changed between generations. Always specify your generation and engine code when asking a breaker for a quote.

Used engine mounts from a breaker are a common and cost-effective repair on the SLK, and breakers can often source low-mileage examples from accident-damaged cars. The SLK350 uses the M272 V6 engine, so make sure you give the breaker that engine code to ensure they match the correct mount rather than one from a four-cylinder variant. A reputable breaker will be able to confirm compatibility against your registration, and many offer a short warranty on used mechanical parts.