2011 Mercedes G-Class Owner's Manual - Page 68

66 SmartKey Problems with the SmartKey Problem You cannot lock or unlock the vehicle using the SmartKey. Possible causes/consequences and M Solutions The SmartKey battery is discharged or nearly discharged. X Point the tip of the SmartKey at the driver's door handle from a distance of approximately 1.5 ft (50 cm) and try to unlock or lock the vehicle again. If this does not work: X Check the SmartKey battery and replace it if necessary (Y page 64). X Lock or unlock the vehicle using the mechanical key (Y page 68). The SmartKey is faulty. X Lock or unlock the vehicle using the mechanical key (Y page 68). X Have the SmartKey checked at a qualified specialist workshop. You have lost a SmartKey. X Opening and closing Have the SmartKey canceled at an authorized Mercedes-Benz Center. X Report the loss immediately to the vehicle insurers. X If necessary, have the locks changed as well. X X You have lost the mechanical key. Report the loss immediately to the vehicle insurers. If necessary, have the locks changed as well. The SmartKey cannot The SmartKey has been in position 0 for a considerable time. be turned in the ignition X Remove the SmartKey and reinsert it into the ignition lock. lock. X Check the battery and charge it if necessary (Y page 236). X Start the engine. The on-board voltage is too low. X Switch off non-essential consumers, e.g. seat heating or interior lighting, and try to turn the SmartKey again. If this does not work: X Check the battery and charge it if necessary (Y page 236). or X Jump-start the vehicle (Y page 238). or X Consult a qualified specialist workshop.