Mercedes-Benz 2009 CL-Class Operator's Manual page 574

Technical data
Rims and tires
Mixed size tires
Model
Front axle Rims (light alloy)
AMG rims (light alloy) —
Wheel offset
All-season tires
Rear axle Rims (light alloy)
AMG rims (light alloy) —
Wheel offset
All-season tires
20 Radial-ply tires.
21 Must not be used with snow chains.
572
CL 600
8.5 J x 18 H2
1.69 in (43 mm)
20 255/45 R18 99H M+S 255/40 R19 100V XL
9.5 J x 18 H2
1.69 in (43 mm)
20,21 275/45 R18 103H
M+S
CL 600
8.5 J x 19 H2
—
1.69 in (43 mm)
(Extra Load) M+S
9.5 J x 19 H2
—
1.69 in (43 mm)
275/40 R19 101V M+S
CL 63 AMG
CL 63 AMG (Performance Package)
CL 65 AMG
—
8.5 J x 20 H2
1.69 in (43 mm)
255/35 ZR20 XL (Extra Load)
—
9.5 J x 20 H2
1.69 in (43 mm)
275/35 ZR20 XL (Extra Load)