2003 Mercedes SL-Class Owner's Manual - Page 30

Getting started Unlocking Unlocking with KEYLESS-GO* The functions of the KEYLESS-GO card are nearly identical to those of the key, except that it cannot be used to open the retractable hardtop. When using the key and the card at the same time, the key overrules the card. Pressing the KEYLESS-GO start/stop button on the selector lever corresponds to turning the key to the various starter switch positions. Warning! G When leaving the vehicle, always take the key and the KEYLESS-GO card with you, and lock the vehicle. Do not leave children unattended in the vehicle, or with access to an unlocked vehicle. Unsupervised use of vehicle equipment may cause an accident and/or serious personal injury. Grasp the door handle. The turn signal lamps blink once. The locking knobs on the doors move up. 1 KEYLESS-GO start/stop button Before you press the KEYLESS-GO start/stop button, the vehicle's on-board electronics have the status 0 (as with key removed). Make sure the gear selector lever is set to P. Do not depress the brake pedal. i The SBC brake system is activated. i The KEYLESS-GO card must be outside the vehicle to unlock it. 30