Mercedes SLK-Class wheel fitment — R171

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

Mercedes SLK-Class wheel fitment at a glance — 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).

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.

Mercedes SLK-Class wheel fitment

Mercedes SLK-Class wheel fitment for the Mercedes R171 (2004–2011): the factory PCD, centre bore and bolt spec, then the aftermarket width and offset window we fit to.

Aftermarket wheel sizes — read per position:

As a rule, each extra 1J of width wants roughly +8–10 ET to keep the wheel tucked. The exact offset and any spacer are confirmed by the fit-check.

Performance

Body styles & production

Trim levels

Factory colours

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.

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