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:

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    Problems with the engine
    Problem Possible causes/consequences and - Solutions The engine does not start. The starter motor can be heard.  - There is a malfunction in the engine electronics. ...

    Tire pressure of cold tires
    The tires are cold: • if the vehicle has been parked without direct sunlight on the tires for at least three hours and • if the vehicle has not been driven more than 1 mile (1.6 km). ...