Problems with the SmartKey

Problem

You cannot lock or unlock the vehicle using the SmartKey.

Possible causes/consequences and Solutions

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.

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.

Problem

You can no longer lock or unlock the vehicle using KEYLESS-GO.

Possible causes/consequences and Solutions

KEYLESS-GO is in standby mode because the vehicle has not been unlocked for an extended period.

  • Pull the door handle and then turn the SmartKey to position 2 in the ignition lock.

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.

Problem

You have lost a SmartKey.

Possible causes/consequences and Solutions

  • 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.

Problem

You have lost the mechanical key.

Possible causes/consequences and Solutions

  • Report the loss immediately to the vehicle insurers.
  • If necessary, have the locks changed as well.

Problem

The engine cannot be started using the SmartKey.

Possible causes/consequences and Solutions

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.

Problem

The engine cannot be started using KEYLESSGO. The SmartKey is in the vehicle.

Possible causes/consequences and Solutions

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:

    Releasing seat belts
    - Press release button 4 and guide belt tongue 2 back towards belt sash guide 1. Make sure that the seat belt is fully rolled up. Otherwise, the seat belt or belt tongue will be trapped in ...

    Activating/deactivating
    WARNING Any accumulation of snow and ice should be removed from the rear window before driving. Visibility could otherwise be impaired, endangering you and others. The rear window defroster ...

    Seat belt
    Problem Possible causes/consequences and Solutions After starting the engine, the red seat belt warning lamp lights up for six seconds. The seat belt warning lamp re ...