Mercedes SLK-Class wheel fitment — R171

By Torque, AIWheelTech vehicle & fitment specialist · 2004–2011

Before you buy wheels, the Mercedes SLK-Class wheel fitment facts: The Mercedes R171 (2004–2011) uses a 5x112 bolt pattern, 66.6 mm centre bore, M14x1.5 bolts. It accepts ~7J–8J wheels at ET25–ET43 front; staggered setups run 8.5J–10J rear (ET24–ET46).

Mercedes SLK-Class wheel fitment

Mercedes SLK-Class wheel fitment comes down to two things: the factory hub spec, and how far the aftermarket width and offset can move from it. Both are here for the Mercedes R171 (2004–2011).

Aftermarket wheel sizes — read per position:

Width and offset move together: roughly 8 to 10 ET more for every extra 1J keeps the wheel inside the arch. Final offset and any spacer come from the fit-check.

Overview

The Mercedes-Benz SLK-Class (R172) is a compact executive roadster, manufactured by Mercedes-Benz from 2011 to 2020 at the company's plant in Bremen, Germany. It succeeded the R171 generation and was introduced at the Geneva Motor Show in 2011. The third-generation SLK-Class offered a range of inline-four, V6, and V8 engines with both diesel and petrol options. Notable features include an electronically operated window tint shade for the sunroof called Magic Sky Control and improved aerodynamic efficiency.

History & notable variants

In March 2016, the R172 generation received a facelift to celebrate the SLK-Class's 20th anniversary, introducing new engines and minor exterior design changes. The model was renamed SLC-Class as part of Mercedes-Benz’s revised nomenclature scheme for roadsters. In 2020, a Final Edition was released to commemorate the end of production.

Body styles & production

Trim levels

Factory colours

Reliability & owner notes

• Pros: Stylish design; range of engine options; advanced features like Magic Sky Control
• Cons: Limited practicality due to small size and two-seater layout; high price point for some trims