2004 Mercedes CL-Class Owner's Manual - Page 282

Operation Winter driving Block heater (Canada only) The engine is equipped with a block heater. The electrical cable may be installed at an authorized Mercedes-Benz Center. Snow chains i When driving with snow chains, you may wish to deactivate the ESP ( page 80) before setting the vehicle in motion. This will improve the vehicle's traction. Please observe the following guidelines when using snow chains: Use of snow chains is not permissible with all wheel/tire combinations. Snow chains should only be used on the rear wheels. Follow the manufacturer's mounting instructions. Only use snow chains that are approved by Mercedes-Benz. Your authorized Mercedes-Benz Center will be glad to advise you on this subject. Use of snow chains may be prohibited depending on location. Always check local and state laws before installing snow chains. ! Do not use snow chains with tire sizes 245/45 R18 on 8½J x 18 rim and 265/40 R18 in general ( page 365). Do not use snow chains on tires mounted on AMG rims. i When using snow chains, the vehicle should only be driven at vehicle height 1 ( page 211). Snow chains should only be driven on snow-covered roads at speeds not to exceed 30 mph (50 km/h). Remove chains as soon as possible when driving on roads without snow. 281