2007 Mercedes C-Class Owner's Manual - Page 95

Controls in detail Locking and unlocking The vehicle will lock again automatically and rearm the anti-theft 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 ‹. All turn signal lamps flash three times. An acoustic signal sounds three times. The locking knobs in the doors move down. The anti-theft alarm system* is armed. Selective setting If you frequently travel alone, you may wish to reprogram the SmartKey so that pressing button Œ only unlocks the driver's door and the fuel filler flap. Press and hold buttons Œ and ‹ simultaneously for about 5 seconds until battery check lamp 5 ( page 92) flashes twice. The SmartKey will then function as follows: Unlocking driver's door and fuel filler flap Press button Œ once. All turn signal lamps flash once. An acoustic signal sounds once. The locking knob in the driver's door moves up. The anti-theft alarm system* is disarmed. Global unlocking Press button Œ twice. All turn signal lamps flash once. An acoustic signal sounds once. The locking knobs in the doors move up. The anti-theft alarm system* is disarmed. Global locking Press button ‹. With the trunk and all doors closed: All turn signal lamps flash three times. An acoustic signal sounds three times. The locking knobs in the doors move down. The anti-theft alarm system* is armed. 94