2006 Mercedes SL-Class Owner's Manual - Page 417

Practical hints Batteries Depress the parking brake pedal. Open the trunk. Read and observe safety instructions and precautions ( page 279). Unhook the luggage cover in the trunk. Remove the trunk floor. The battery for electrical consumers is located in the right hand area of the trunk ( page 383). Use the 10 mm open-end wrench from the vehicle tool kit to disconnect the negative lead from negative terminal 4 of the consumer battery ( page 413). Open the hood ( page 272). Use the 10 mm open-end wrench from the vehicle tool kit to disconnect the negative lead from negative terminal 2 of the starter battery ( page 413). Remove the covers from the positive terminals 1 and 3 ( page 413). Disconnect the positive lead from positive terminal 3 of the consumer battery ( page 413). Disconnect the positive lead from positive terminal 1 of the starter battery ( page 413). Removing the batteries Removing the consumer battery Remove the screws securing the battery in the trunk. Remove the battery support and bracket. Pull out the battery ventilation tube from the battery. Depending on battery arrangement in your vehicle model, the ventilation tube is located either on the left or right side of the battery. Take out the battery. 416