2005 Mercedes C-Class Owner's Manual - Page 364

Practical hints Battery Reconnecting the battery Turn off all electrical consumers. Remove SmartKey from starter switch. Connect the battery positive lead and fasten its cover 2. Connect the battery negative lead. i The following procedures must be carried out following any interruption of battery power (e.g. due to reconnection): Set the clock ( page 137). Vehicles with COMAND*: See COMAND operator's manual. Synchronize side windows ( page 226). Synchronize tilt/sliding sunroof* ( page 230). Batteries contain materials that can harm the environment if disposed of improperly. Large 12 volt storage batteries contain lead. Recycling of batteries is the preferred method of disposal. Many states require sellers of batteries to accept old batteries for recycling. ! NEVER invert the terminal connections! Reinstall the filter box ( page 360). ! The battery, its filler caps and the vent tube must always be securely installed when the vehicle is in operation. 362