2004 Mercedes CL-Class Owner's Manual - Page 91

Controls in detail Locking and unlocking Restoring to factory setting Press and hold buttons Œ and ‹ simultaneously for about six seconds until battery check lamp 5 flashes twice. Use the mechanical key to lock the doors ( page 331) and the trunk lid ( page 332) as required. If the SmartKey is malfunctioning, contact an authorized Mercedes-Benz Center. Unlocking and opening the trunk lid You can unlock and open the trunk lid separately. A minimum height clearance of 6.3 ft (1.90 m) is required to open the trunk lid. Press and hold button Š until trunk unlocks and begins to open. i If the trunk does not open, it is still locked separately (if applicable) ( page 104). If the vehicle was previously centrally locked, the trunk lid will lock automatically when closed ( page 98). The turn signals will flash three times to confirm locking. The trunk can also be opened from its inside in an emergency, see "Trunk lid emergency release" ( page 103). ! If you can no longer lock or unlock the vehicle with the SmartKey, then the batteries in the SmartKey are discharged, the SmartKey is malfunctioning or the vehicle battery is drained. Check the batteries in the SmartKey and replace them if necessary ( page 332). Use the mechanical key to unlock the doors ( page 331) and the trunk lid ( page 332) as required. Have the vehicle battery and the battery connections checked. ! The trunk lid swings open upwards automatically. Always make sure that there is sufficient overhead clearance. Vehicles with trunk lid opening/closing system*: To stop the opening procedure, press button Š. The trunk lid stops moving. 90