Cheap Mercedes-Benz SLK Quarter Panel

The SLK ran across three generations: the R170 (1996–2004), the R171 (2004–2011), and the R172 (2011–2020), and quarter panels are generation-specific with no crossover between them. Within each generation the two-seater roadster body style remained constant, so the body style itself is not a variable here. Always quote your generation code to the breaker to make sure you are getting the right pressing.

Both a 2005 and a 2010 SLK fall within the R171 generation (2004–2011), so in principle you are within the same platform. However, there was a facelift of the R171 in 2008, and whether that introduced any pressing changes to the quarter panel is something you should confirm with the breaker against your exact registration rather than assume. Do not proceed without that check, as a mismatched panel is an expensive mistake.

No — the R170 (1996–2004) and R171 (2004–2011) are entirely different platforms and their body pressings are not interchangeable. Quarter panels are one of the most platform-dependent body parts, so always match the generation exactly. Give the breaker your registration so they can pull the correct R171 shell.

Trim and engine variants do not affect quarter panel fitment on the SLK — the body shell pressing is the same across SLK 200, SLK 250, SLK 300, SLK 350, and SLK 55 AMG within the same generation. You may find cosmetic differences such as different colour or finish, but the panel itself will be the correct shape and fit. Just confirm your generation (R170, R171, or R172) with the breaker and colour matching is a separate conversation.

No, nearside (NS, passenger side) and offside (OS, driver side) quarter panels are handed and are not interchangeable — you must specify which side you need when contacting the breaker. On a UK car the OS is the right-hand side as you sit in the vehicle. Always double-check with the breaker that the panel they have matches both your generation and the correct side before agreeing a price.

Yes, both a 2012 and a 2018 SLK fall within the R172 generation (2011–2020), so they share the same platform. The R172 received a facelift in 2016, and while quarter panels are less commonly affected by facelifts than front panels, whether any pressing change was made across that boundary is something you should confirm with the breaker against your registration rather than assume. If the breaker can cross-reference both cars by registration you will have the most reliable answer.