2008 Mercedes CLK-Class Owner's Manual - Page 119

Controls in detail Locking and unlocking Valet locking Insert the mechanical key in the trunk lid lock. 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. Automatic central locking The doors and the trunk automatically lock when the ignition is switched on and the wheels are turning at vehicle speeds of approximately 9 mph (15 km/h) or more. You can open a locked door from the inside. Open doors only when conditions are safe to do so. i To deny any unauthorized person access to the trunk, e.g. when you valet park the vehicle, lock it separately with the mechanical key. Leave only the SmartKey or SmartKey with KEYLESS-GO* less its mechanical key with the vehicle. The lock is located next to the handle above the rear license plate recess. i You can only cancel the separate trunk locking mode by means of the mechanical key. 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 110). 1 Neutral position 2 Locked Close the trunk ( page 112). Pull the mechanical key out of the SmartKey ( page 427). i The doors unlock automatically after an accident if the force of the impact exceeds a preset threshold. To prevent the vehicle door locks from locking, deactivate the automatic central locking when the vehicle is pushed or towed is on a test stand You can deactivate the automatic locking mode using the control system, see "Setting automatic locking" ( page 166). 118