Mercedes-Benz 2008 SLK 350 Operator's Manual page 445

Technical data
Rims and tires
Model
AMG rims (light alloy)
Wheel offset
1,2,3
Winter tires
1
Radial-ply tires
2
Not available as factory equipment.
3
For use with snow chains contact an authorized Mercedes-Benz Center.
444
SLK 280 (Sport Package*)
SLK 350 (Sport Package*)
SLK 55 AMG
7.5 J x 17 H2
1.46 in (37 mm)
205/50 R17 89H M+S.
or
225/45 R17 91H M+S.
SLK 55 AMG
SLK 55 AMG (Performance Package*)
7.5 J x 18 H2
1.46 in (37 mm)
225/40 R18 92H XL (Extra Load) M+S.