2009 Mercedes CL-Class Owner's Manual - Page 302

Controls in detail Locking and unlocking Valet locking 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 less its mechanical key with the vehicle. The trunk remains locked even when the vehicle is centrally unlocked. You can only cancel the separate trunk locking mode by means of the mechanical key. X Canceling: Insert the mechanical key in the trunk lid lock. X Turn the mechanical key counterclockwise to neutral position $ and remove the mechanical key in that position to unlock the trunk. You can now open the trunk. trunk lid. Be especially careful when small children are around. In case of danger, pull the inside or outside door handle, or pull the trunk lid handle. To prevent personal injury, never actuate the closing assist mechanism by tampering with the door or trunk lid latch. G Warning! Only drive with the doors closed. Otherwise, one or more of the doors could open while the vehicle is in motion, putting you and/or others at risk. G Warning! Make sure the trunk is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO) gases may enter vehicle interior resulting in unconsciousness and death. X Power closing assist for doors and trunk lid $ Neutral position % Locked X X Valet locking: Close the trunk. Remove the mechanical key from the SmartKey (Y page 540). X Insert the mechanical key in the trunk lid lock. X Turn the mechanical key clockwise to position % and remove the mechanical key in that position to lock the trunk. It is not necessary to slam the door or trunk lid closed. An electrical power-assisted mechanism draws doors and trunk lid closed quietly and automatically once door and trunk lid has been latched. When the electrical power-assisted mechanism has stopped, doors and/or trunk can be reopend. G Warning! To prevent possible personal injury, always keep hands and fingers away from the door or trunk opening when closing a door or the Power closing assist for doors: Press the doors gently past the initial engage position into the lock. X Power closing assist for trunk lid: Press the trunk lid gently into its lock. 300