2004 Mercedes CLK-Class Owner's Manual - Page 88

Controls in detail Locking and unlocking ! 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 345). Use the mechanical key to unlock the doors ( page 343) and the trunk ( page 344). Have the vehicle battery and the battery connections checked. Use the mechanical key to lock the doors and the trunk ( page 344). If the SmartKey is malfunctioning, contact an authorized Mercedes-Benz Center. Checking the batteries Press button ‹ or Œ. Battery check lamp 5 comes on briefly to indicate that the SmartKey batteries are in order. Unlocking and opening the trunk lid You can unlock and open the trunk lid separately. A minimum height clearance of 5.71 ft (1.74 m) is required to open the trunk lid. Press and hold button Š until the trunk lid unlocks and begins to open. ! If battery check lamp 5 does not come on briefly during check, then the SmartKey batteries are discharged. Replace the batteries ( page 345). You can obtain the required batteries at any authorized Mercedes-Benz Center. ! 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. i If the batteries are checked within signal range of the vehicle, pressing the ‹ or Œ button will lock or unlock the vehicle accordingly. 88