2003 Mercedes SLK-Class Owner's Manual - Page 246

Practical hints Battery Disconnecting the battery Turn off all electrical consumers. Open the hood ( page 171). Disconnect the battery negative lead 3. Remove the cover 2 from the positive terminal. Disconnect the battery positive lead. Removing the battery Remove the screw on the swivel bar. Remove the swivel bar. Take out the battery. Charging and reinstalling battery Charge battery in accordance with the instructions of the battery charger manufacturer. Reinstall the charged battery. Follow the previously described steps in reverse order. Warning! G i The following procedures must be carried out following any interruption of battery power (e.g. due to reconnection): Set the clock ( page 90). Resynchronize the ESP ( page 195). Re-enter the radio code (see radio operating instructions). Resynchronize side windows ( page 128). 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 charge a battery while still installed in the vehicle. Gases may escape during charging and cause explosions that may result in paint damage, corrosion or personal injury. Reconnecting the battery Turn off all electrical consumers. Connect the positive lead and fasten its cover 2. Connect the negative lead 3. ! Never invert the terminal connections! ! The battery, its filler caps and the vent tube must always be securely installed when the vehicle is in operation. 246