2007 Mercedes SL-Class Owner's Manual - Page 419

Practical hints Batteries Charge batteries in accordance with the instructions of the battery charger manufacturer. Reinstall the charged batteries. Follow the previously described steps in reverse order. Reconnecting the batteries Connect positive lead 4 ( page 414) of the consumer battery and positive lead 1 ( page 414) of the starter battery and fasten covers. Connect negative lead 2 ( page 414) of the starter battery. Connect negative lead 5 ( page 414) of the consumer battery. Reinstall the trunk floor. Close trunk luggage cover ( page 206). ! Always connect the batteries in the order described below. Otherwise the vehicle's electronics can be damaged. Turn off all electrical consumers. Install starter battery in the designated location in the engine compartment. Install consumer battery in the designated location in the trunk. Attach supports and brackets. Tighten support and bracket screws. ! Never invert the terminal connections! i The following procedures must be carried out following any interruption of battery power (e.g. due to reconnection): Resynchronize the ESP® ( page 355). Resynchronize side windows ( page 198). 418