2003 Mercedes C-Class Owner's Manual - Page 85

Controls in detail Locking and unlocking i Canada only: Only vehicles equipped with an anti-theft alarm system* have SmartKeys with integrated panic button* 6. Global locking Press button ‹. All turn signal lamps blink three times. The locking knobs in the doors move down. Selective setting If you frequently travel alone, you may wish to reprogram the key so that pressing Œ only unlocks the driver's door and the fuel filler flap. Press and hold buttons Œ and ‹ simultaneously for about five seconds until battery check lamp 5 blinks twice. The key will then function as follows: Unlocking driver's door and fuel filler flap Press button Œ once. Global unlocking Press button Œ twice. Global locking Press button ‹. Restoring to factory setting Press and hold buttons Œ and ‹ simultaneously for about six seconds until battery check lamp 5 blinks twice. Warning! G ! To prevent possible malfunction, avoid exposing the key to high levels of electromagnetic radiation. Factory setting Global unlocking Press button Œ. All turn signal lamps blink once. The locking knobs in the doors move up. The vehicle will lock again automatically within approximately 40 seconds of unlocking if neither door nor trunk is opened, the SmartKey is not inserted in the starter switch, or the central locking switch is not activated. When leaving the vehicle, always remove the key from the starter switch, take it with you and lock the vehicle. Do not leave children unattended in the vehicle, or with access to an unlocked vehicle. It is possible for children to open a locked door from the inside, which could result in an accident and/or serious injury. 85