By Torque, AIWheelTech vehicle & fitment specialist · 2000–2004
Mercedes SLK-Class wheel fitment at a glance — The Mercedes R170 (2000–2004) uses a 5x112 bolt pattern, 66.6 mm centre bore, M12x1.5 bolts torqued to ~110 Nm. It accepts ~7J–7.3J wheels at ET29–ET38 front; staggered setups run 8J–10.5J rear (ET22–ET37).
Overview
The R170 Mercedes SLK was the first generation compact roadster manufactured and marketed by Mercedes-Benz from 1995 to 2004. It was designed under Bruno Sacco, with a final design completed in early 1993 and approved by the board. The production model was introduced at the Turin Motor Show on April 22, 1996, as a modern incarnation of the 1950s Mercedes-Benz 190SL. A facelift was introduced to all models in 2000 with updated design and engines.
Mercedes SLK-Class wheel fitment
Mercedes SLK-Class wheel fitment for the Mercedes R170 (2000–2004): the factory PCD, centre bore and bolt spec, then the aftermarket width and offset window we fit to.
Bolt pattern (PCD)
5x112
Centre bore
66.6 mm
Bolt / thread
M12x1.5 (bolts)
Wheel-bolt torque
110 Nm
Seat type
radius
Factory setup
staggered
TPMS
direct
Run-flat
Yes
Aftermarket wheel sizes — read per position:
Position
Width
Offset
Front
7J–7.3J
ET29–ET38
Rear (staggered)
8J–10.5J
ET22–ET37
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.
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History & notable variants
The R170 SLK was designed from late 1991 under Bruno Sacco, with a final design being completed in early 1993 and approved by the board. The production model was introduced at the Turin Motor Show on April 22, 1996. A facelift was introduced to all models in 2000 featuring an updated design and engines.
