2005 Mercedes CLK-Class Owner's Manual - Page 104

Controls in detail Locking and unlocking Selective setting If you frequently travel alone, you may wish to reprogram the SmartKey with KEYLESS-GO so when you, pull the driver's door handle only the driver's door and the fuel filler flap unlocks. Press and hold buttons Œ and ‹ simultaneously for about five seconds until battery check lamp 5 flashes twice. The SmartKey with KEYLESS-GO will then function as follows: Unlocking driver's door and fuel filler flap Pull the driver's door handle. All turn signal lamps flash once. The locking knob in the driver's door moves up. The anti-theft alarm system is disarmed Global unlocking Pull the door handle on the passenger side. All turn signal lamps flash once. The locking knobs in the doors move up. The anti-theft alarm system is disarmed Global locking Press lock button at door handle or trunk lid. All turn signal lamps flash three times. The locking knobs in the doors move down. The anti-theft alarm system is armed. Restoring to factory setting Press and hold buttons Œ and ‹ simultaneously for about six seconds until battery check lamp 5 flashes twice. ! If you can no longer lock or unlock the vehicle with the SmartKey with KEYLESS-GO, then the batteries in the SmartKey are discharged, the SmartKey with KEYLESS-GO is malfunctioning or the vehicle battery is drained. Check the batteries in the SmartKey ( page 103) and replace them if necessary ( page 402). Use the mechanical key to unlock the driver's door ( page 397) and the trunk ( page 398). i You can also lock the vehicle using the lock button at trunk lid ( page 103). 102