Problems with the SmartKey

Problem Possible causes/consequences and Solutions
You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged.
- Try again to lock/unlock the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the button./button. button.
If this does not work:
- Check the SmartKey battery and replace it if necessary.
- Lock or unlock the vehicle using the mechanical key.
The SmartKey is faulty.
- Lock or unlock the vehicle using the mechanical key.
- Have the SmartKey checked at a qualified specialist workshop.
You can no longer lock or unlock the vehicle using KEYLESS-GO. There is interference from a powerful source of radio waves.
- Lock/unlock the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the button./button. button.
There is a malfunction with KEYLESS-GO.
- Lock/unlock the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the button./button. button.
- Have KEYLESS-GO checked at a qualified specialist workshop.
If this does not work:
- Check the SmartKey battery and replace it if necessary.
- Lock or unlock the vehicle using the mechanical key.
You have lost a SmartKey. - Have the SmartKey deactivated at a qualified specialist workshop.
- Report the loss immediately to the vehicle insurers.
- If necessary, have the locks changed as well.
You have lost the mechanical key. - Report the loss immediately to the vehicle insurers.
- If necessary, have the locks changed as well.
The engine cannot be started using the SmartKey. The on-board voltage is too low.
- Switch off non-essential consumers, e.g. seat heating or interior lighting, and try to start the engine again.
If this does not work:
- Check the starter battery and charge it if necessary.
or
- Jump-start the vehicle.
or
- Consult a qualified specialist workshop.
The engine cannot be started using KEYLESS-GO.
The SmartKey is in the vehicle.		 A door is open. Therefore, the SmartKey cannot be detected as easily.
- Close the door and try to start the vehicle again.
There is interference from a powerful source of radio waves.
- Start your vehicle with the SmartKey in the ignition lock.
    See also:

    Entering a point of interest in the vicinity of the current position
    Select Current Position and press to confirm. Continue with assigning the point of interest category. ...

    Vehicle level
    Important safety notes Your vehicle regulates its height automatically. All-round self-leveling ensures the best possible suspension and constant ground clearance, even with a laden vehicle. W ...

    Parcel nets
    WARNING Vehicles with Occupant Classification System (OCS) Do not place objects with a combined weight of more than 4.4 lbs (2 kg) into the parcel net on the back of the front passenger seat. ...