2008 Mercedes SL-Class Owner's Manual - Page 107

Controls in detail Locking and unlocking Factory setting Global unlocking Press button Œ. All turn signal lamps flash once. An acoustic warning sounds once. The locking knobs in the doors move up. The anti-theft alarm system is disarmed. The vehicle will lock again automatically and rearm the alarm system within approximately 40 seconds of unlocking if: neither door nor trunk is opened the SmartKey is not inserted in the starter switch the central locking switch is not activated Global locking Press button ‹. With the trunk and both doors closed: All turn signal lamps flash three times. An acoustic warning sounds three times. The locking knobs in the doors move down. The anti-theft alarm system is armed. i When unlocking or locking the vehicle with the SmartKey, an acoustic signal sounds. The signal is activated at the factory. If you wish to deactivate the feature or adjust its signal volume, contact an authorized Mercedes-Benz Center. 106