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:

    Cargo net (Wagon)
    Important safety notes It is particularly important to use a safety net if the vehicle is loaded with small objects above the level of the backrests. For safety reasons, always use a cargo net ...

    Switching off the manual drive program
    Vehicles with the dynamic handling package: press the program selector button. M is no longer shown in the multifunction display. AMG vehicles: turn the drive program selector until C, ...

    Call disconnection while the vehicle is in motion
    A call may be disconnected if: • there is insufficient network coverage in certain areas. • you move from one transmitter/receiver area (cell) into another and no channels are free. • you u ...