SmartKey

Display messages Possible causes/consequences and Solutions Solutions
You have put the wrong SmartKey in the ignition lock. You have put the wrong SmartKey in the ignition lock.
Use the correct SmartKey.
The SmartKey is in the ignition lock. The SmartKey is in the ignition lock.
Remove the SmartKey.
The SmartKey needs to be replaced. The SmartKey needs to be replaced.
Visit a qualified specialist workshop.
The batteries of the KEYLESS-GO key are discharged. The batteries of the KEYLESS-GO key are discharged.
Change the batteries.
The display message is shown for a maximum of 60 seconds and is only The display message is shown for a maximum of 60 seconds and is only a reminder.
You have opened the driver's door with the engine switched off.
The KEYLESS-GO key is not in the ignition lock.
vehicle. Remember to take the KEYLESS-GO key with you when you leave the vehicle.
The KEYLESS-GO key is not in the vehicle. The KEYLESS-GO key is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the vehicle centrally or start the engine.
attention to road and traffic conditions. Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions.
Engage the electric parking brake.
Locate the KEYLESS-GO key.
The KEYLESS-GO key is not detected while the engine is running because there is interference from a strong source of radio waves.
A warning tone also sounds.
attention to road and traffic conditions. Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions.
Engage the electric parking brake.
Operate the vehicle with the SmartKey in the ignition lock.
The KEYLESS-GO key cannot be detected at present. The KEYLESS-GO key cannot be detected at present.
vehicle. Change the location of the key with the KEYLESS-GO functions in the vehicle.
If the KEYLESS-GO key is still not detected:
Operate the vehicle with the SmartKey in the ignition lock.
The KEYLESS-GO key has been detected inside the vehicle during The KEYLESS-GO key has been detected inside the vehicle during locking.
Remove the KEYLESS-GO key from the vehicle.
KEYLESS-GO is temporarily malfunctioning or is defective. KEYLESS-GO is temporarily malfunctioning or is defective.
position. Insert the SmartKey into the ignition lock and turn it to the desired position.
Visit a qualified specialist workshop.
At least one door is open. A warning tone also sounds. At least one door is open. A warning tone also sounds.
Close all doors and lock the vehicle again.
    See also:

    Deactivating DISTRONIC PLUS
    WARNING The DISTRONIC PLUS switches off and releases the brakes when the vehicle decelerates below the minimum speed of 20 mph (30 km/h) by operation of the system unless the DISTRONIC PLUS ...

    Folding the rear seat backrest back
    : Backrest ; Lock verification indicator = Backrest release handle Move the driver's or front-passenger seat forward if necessary. Make sure that the seat belt does not become ...

    Proper use
    WARNING There are various warning stickers affixed to your vehicle. Their purpose is to alert you and others to various dangers. Therefore, do not remove any warning stickers unless the stic ...