Mercedes-Benz 2009 SLK-Class Operator's Manual page 349

Mixed size tires
Model
Front axle Rims (light alloy)
AMG rims (light alloy)
Wheel offset
Summer tires
Rear axle Rims (light alloy)
AMG rims (light alloy)
Wheel offset
Summer tires
26 Radial-ply tires
27 Must not be used with snow chains.
SLK 300
SLK 350
7.5 J x 17 H2
—
1.42 in (36 mm)
26 225/45 R17 91W
8.5 J x 17 H2
—
1.18 in (30 mm)
26,27 245/40 R17 91W
SLK 300 (Sport Package)
SLK 350 (Sport Package)
SLK 55 AMG
SLK 55 AMG (Performance Package)
—
7.5 J x 18 H2
1.46 in (37 mm)
225/40 ZR18 92Y XL (Extra Load)
—
8.5 J x 18 H2
1.18 in (30 mm)
245/35 ZR18 92Y XL (Extra Load)
Technical data
Rims and tires
347