2008 Mercedes SL-Class Owner's Manual - Page 112

Controls in detail Locking and unlocking Factory setting Global unlocking Grasp an outside door handle. 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 a door nor the trunk is opened. Global locking Press lock button on an outside door handle ( page 66). 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 KEYLESS-GO, 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. i The vehicle could inadvertently unlock if the SmartKey with KEYLESS-GO is within 3 ft (1 m) of the vehicle and an outside door handle is splashed with water or you attempt to clean an outside door handle i Vehicles with trunk opening/closing system*: You can also lock the vehicle using the the KEYLESS-GO locking/closing switch ( page 119). 111