Second Hand Mercedes-Benz SLK Axle

The SLK ran across three generations: the R170 from 1996 to 2004, the R171 from 2004 to 2011, and the R172 from 2011 to 2016 when the model was renamed the SLC. Each generation is a distinct platform, so axle parts are not shared between them and you should always confirm your generation with your registration plate before approaching a breaker.

These two cars sit in different generations — the 2003 is an R170 and the 2005 is an R171 — so the axle is very unlikely to be a straight swap. The R170-to-R171 boundary in 2004 brought significant platform changes, and breakers treat these as separate vehicles. Always confirm compatibility against your exact registration with the breaker before purchasing.

Yes, engine size can matter for running gear on the SLK because larger or more powerful engines — such as the AMG variants — can carry uprated axle components sized to handle the extra torque and weight. Within the same generation, an axle from an SLK 200 and an SLK 55 AMG may not be identical, so always quote your engine size alongside your registration when asking a breaker for a quote.

For the SLK, trim designations like AMG Line are largely cosmetic and do not in themselves determine axle fitment — what matters is the engine and generation. However, a genuine AMG-badged variant (such as the SLK 55 AMG) is a different story because it carries a distinct powertrain, so confirm this with the breaker; expect that a part sourced from a different trim but the same engine and generation should suit your car, though the breaker should always verify against your registration.

The R172 ran from 2011 to 2016 as a single generation, so parts from across that range are generally in the same family. That said, whether a specific axle component interchanges cleanly across the full production run — particularly if any mid-generation running-gear updates were made — is something you should confirm with the breaker against your registration rather than assume.

Give them your full registration number, the generation (R170, R171, or R172), the exact engine size and variant (for example, SLK 250 or SLK 55 AMG), and the year of manufacture. The more precise you are about engine and generation, the quicker a breaker can pull the right part from their yard and confirm it matches your vehicle.