Mercedes-Benz CL-Class 2006 Owner's Manual page 536

AMG equipment
Front axle
Tyres
Light-alloy wheels
Rear axle
Tyres
Light-alloy wheels
1
Use of snow chains not possible
CL 500/CL 600
255/40 R19 96 Y
255/40 ZR 19 XL
8½J x 19 H2 ET43
1
275/40 R19 101 Y
1
275/40 ZR 19 XL
9½J x 19 H2 ET43
Technical data
Tyres and wheels
CL 500/CL 600
255/35 ZR 20 XL
8½J x 20 H2 ET43
1
275/35 ZR 20 XL
9½J x 20 H2 ET43
515