2004 Mercedes E-Class Owner's Manual - Page 90

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 353) and the trunk lid (if applicable) ( page 105). If the SmartKey is malfunctioning, contact an authorized Mercedes-Benz Center. Unlocking and opening the trunk lid You can unlock and open the trunk separately. A minimum height clearance of 5.90 ft (1.80 m) is required to open the trunk lid. Press button Š until trunk unlocks and begins to open. i If the trunk lid does not open, it is still locked separately ( page 105). If the vehicle was previously centrally locked, the trunk lid will lock automatically when closed ( page 99). 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 104). ! 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 ( page 91) and replace them if necessary ( page 355). Use the mechanical key to unlock the doors ( page 353). Have the vehicle batteries and their connections checked. ! The trunk lid swings open upwards automatically. Always make sure 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