2003 Mercedes CL-Class Owner's Manual - Page 314

Practical hints Battery The battery is located in the trunk under the right hand wheel well cover panel. Disconnecting the battery Turn off all electrical consumers. Depress the parking brake firmly or move the gear selector lever to position P. Open the trunk lid ( page 88) or ( page 89). Turn locking knob 2 and remove battery cover 1. 1 Battery cover 2 Locking knob Detach negative terminal 3 of the battery with the 10 mm open-end wrench from the vehicle tool kit. Remove cover 4 from the positive terminal. Disconnect the battery positive lead. Removing the battery Remove the screw securing the battery. Remove the battery support and bracket. 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! 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. 3 Negative terminal 4 Cover over positive terminal 314