Mercedes-Benz 2009 CLS-Class Operator's Manual page 339

Same size tires
! Winter tires on rims with different wheel offset front vs. rear cannot be rotated.
Model CLS 550
Rims (light alloy) 8.5 J x 18 H2
Wheel offset (front axle) 1.10 in (28 mm)
Wheel offset (rear axle) 0.71 in (18 mm)
16,17 245/40 R18 97V XL (Extra Load)
Winter tires
M+S.
or
245/40 R18 97V XL (Extra Load)
M+S. MOExtended
16 Radial-ply tires
Not available as factory equipment.
17
18 Must be used in conjunction with Tire Pressure Monitoring System (U.S. vehicles), Run Flat Indicator (Canada vehicles), or Advanced Tire Pressure Monitoring System
(Canada vehicles) only.
19 Maximum permissible vehicle speed of 137 mph (220 km/h).
CLS 550 (AMG Sport Package)
CLS 63 AMG
8.5 J x 18 H2
0.98 in (25 mm)
0.98 in (25 mm)
245/40 R18 97V XL (Extra Load)
M+S.
18
Technical data
Rims and tires
CLS 63 AMG (Performance Pack-
age)
8.5 J x 19 H2
0.98 in (25 mm)
0.98 in (25 mm)
245/35 R19 93V XL (Extra Load)
M+S. 19
Z
337