2004 Mercedes E-Class Owner's Manual - Page 105

Controls in detail Locking and unlocking Separately locking the trunk Your vehicle may be equipped with a function permitting the separate locking of the trunk using the mechanical key. If present, this feature can permit you to deny any unauthorized person access to the trunk by locking the trunk separately and leaving the SmartKey less the 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. The lock is located next to the recessed handle. Insert the mechanical key in the trunk lid lock. Turn the mechanical key clockwise to position 1. The trunk remains locked even when the vehicle is centrally unlocked. i You can only cancel the separate trunk locking mode by means of the mechanical key. 1 Unlocked 2 Locked Close the trunk lid ( page 99). Pull the mechanical key out of the SmartKey ( page 353). 105