SmartKey

Display messages Possible causes/consequences and Solutions
Not Belong to Vehicle

Key Does Not Belong to Vehicle

 You have put the wrong SmartKey in the ignition lock.
  • Use the correct SmartKey.
Key from Ignition

Take Your Key from Ignition

 The SmartKey is in the ignition lock.
  • Remove the SmartKey.
New Key

Obtain a New Key

 The SmartKey needs to be replaced.
  • Visit a qualified specialist workshop.
Key Battery

Replace Key Battery

 The batteries of the KEYLESS-GO key are discharged.
  • Change the batteries ().
Your Key

Don't Forget Your Key

 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.

  • Remember to take the KEYLESS-GO key with you when you leave the vehicle.
Detected (red display message)

Key Not Detected (red display message)

 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.

  • Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions.
  • Apply the 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.

  • Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions.
  • Engage the parking brake.
  • Operate the vehicle with the SmartKey in the ignition lock.
Detected (White display message)

Key Not Detected (White display message)

 The KEYLESS-GO key cannot be detected at present.
  • 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.
in Vehicle

Key Detected in Vehicle

 The KEYLESS-GO key has been detected inside the vehicle during locking.
  • Remove the KEYLESS-GO key from the vehicle.
Button and Insert Key

Remove 'Start' Button and Insert Key

 KEYLESS-GO is temporarily malfunctioning or is defective. A warning tone also sounds.
  • Insert the SmartKey into the ignition lock and turn it to the desired position.
  • Visit a qualified specialist workshop.
to Lock Vehicle

Close Doors to Lock Vehicle

 At least one door is open. A warning tone also sounds.
  • Close all doors and lock the vehicle again.
    See also:

    How the occupant classification system works
    The Occupant Classification System (OCS) categorizes the occupant on the frontpassenger seat by means of a weight sensor. The front-passenger front air bag is deactivated automatically for cert ...

    The windshield wipers are obstructed
    Leaves or snow, for example, may be obstructing the windshield wiper movement. The wiper motor has been deactivated. For safety reasons, you should remove the SmartKey from the ignition lock. ...

    Cleaning the trailer tow hitch
    The ball coupling must be cleaned if it becomes dirty or corroded. – Remove rust on the ball of the ball coupling, e.g. with a wire brush. – Remove dirt with a clean, lint-free cloth or a brus ...