Mercedes-Benz CLK-Class 2008 Owners Manual - Manual (Page 486)

485
Technical data
Rims and tires
Model CLK 550 CLK 63 AMG cabriolet
Front axle:
AMG rims (light alloy) 7.5 J x 18 H2 8 J x 18 H2
Wheel offset 1.46 in (37 mm) 1.34 in (34 mm)
Summer tires
1
1 Radial-ply tires
225/40 ZR18 92Y XL (Extra Load) 225/40 ZR18 92Y XL (Extra Load)
Rear axle:
AMG rims (light alloy) 8.5 J x18 H2 8.5 J x18 H2
Wheel offset 1.18 in (30 mm) 1.18 in (30 mm)
Summer tires
1,2
2 Must not be used with snow chains.
255/35 ZR18 94Y XL (Extra Load) 255/35 ZR18 94Y XL (Extra Load)