2008 Mercedes SLK-Class Owner's Manual - Page 102

Controls in detail Locking and unlocking Valet locking Turn the mechanical key clockwise to position 2 and remove the mechanical key in that position to lock the trunk. The trunk remains locked even when the vehicle is centrally unlocked. i Depending on vehicle production date, your vehicle may be equipped with a feature that permits separate locking and unlocking of the trunk with the mechanical key. If present, this function can permit you to deny any unauthorized person access to the trunk, e.g. when you valet park the vehicle. You can lock the trunk separately with the mechanical key and leave only the SmartKey less its mechanical key with the vehicle. To verify the presence of this feature, use the mechanical key to lock the trunk and then attempt to open the trunk by pulling on the trunk lid handle after the vehicle has been centrally unlocked with the SmartKey. i You can only cancel the separate trunk locking mode by means of the mechanical key. 1 Neutral position 2 Locked Close the trunk ( page 100). Pull the mechanical key out of the SmartKey ( page 394). Insert the mechanical key in the trunk lid lock. Insert the mechanical key in the trunk lid lock. Turn the mechanical key counterclockwise to neutral position 1 and remove the mechanical key in that position to unlock the trunk. You can now open the trunk ( page 99). The lock is located next to the handle above the rear license plate recess. 101