2004 Mercedes E-Class Owner's Manual - Page 296

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 i When driving with snow chains, you may wish to deactivate the ESP ( page 78) 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. ! When driving with snow chains, always select the raised level of the level control system Airmatic* ( page 227). Other settings may result in damage to your vehicle. 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. ! Even on vehicles with all-wheel-drive, use snow chains on rear tires only. Use of snow chains is not permissible with the Minispare wheel and with tires of size 245/40 ZR 18 or 265/35 ZR18 ( page 394). 296