2003 Mercedes SLK-Class Owner's Manual - Page 184

Operation Winter driving Block heater (Canada only) The engine is equipped with a block heater. The electrical cable may be installed at your authorized Mercedes-Benz Center. Snow chains 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. Please observe the following guidelines when using snow chains: Use of snow chains is not permissible with all wheel/tire combinations. Chains should only be used on the rear wheels. Follow the manufacturer's mounting instructions. Use only 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 is not permissible with tire size 225 / 45 R17 91 H M+S, with the collapsible tire, with the tire size 225 / 50 R16 92 V, with the tire size 225 / 50 R16 92 W and the tire size 245 / 40 R17 91 Y (Sport Package*). i When driving with snow chains, you may wish to deactivate the ESP ( page 70) before setting the vehicle in motion. This will improve the vehicle's traction. 184