2003 Mercedes C-Class Owner's Manual - Page 304

Practical hints Battery Disconnecting the battery Turn off all electrical consumers. Open the hood ( page 235). Remove the filter box. Disconnect the battery negative lead 1. Remove the cover 2 from the positive terminal. Disconnect the battery positive lead. Removing the battery Remove the screw-nuts securing the battery. Remove the battery bracket. 1 Negative terminal 2 Positive terminal cover Take out the battery. Charging and reinstalling the 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! Warning! With a disconnected battery G you will no longer be able to turn the key in the starter switch will have no effect the selector lever will remain locked in position P G 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. 304