SmartKey

Display messages

Belong to Vehicle Key Does Not Belong to Vehicle

Possible causes/consequences and ► Solutions

You have put the wrong SmartKey in the ignition lock.
► Use the correct SmartKey.

Display messages

Possible causes/consequences and ► Remove Key

Possible causes/consequences and ► Solutions

The SmartKey is in the ignition lock.
► Remove the SmartKey.

Display messages

Possible causes/consequences and ► You need a new key.

Possible causes/consequences and ► Solutions

The SmartKey needs to be replaced.
► Visit a qualified specialist workshop.

Display messages

Batteries Change Key Batteries

Possible causes/consequences and ► Solutions

The batteries of the KEYLESS-GO key are discharged.
► Change the batteries.

Display messages

Key Don't Forget Your Key

Possible causes/consequences and ► Solutions

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.

Display messages

display message)  Key Not Detected (Red display message)

Possible causes/consequences and ► Solutions

The KEYLESS-GO key is not in the vehicle.
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.
► Engage 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.
► 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.

Display messages

message) Key Not Detected (White display message)

Possible causes/consequences and ► Solutions

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:
► Change the location of the key with the KEYLESS-GO functions in the vehicle.
► Operate the vehicle with the SmartKey in the ignition lock.

Display messages

Vehicle Key Detected in Vehicle

Possible causes/consequences and ► Solutions

The KEYLESS-GO key has been detected inside the vehicle during locking.
► Remove the KEYLESS-GO key from the vehicle.

Display messages

button out then Pull starting button out then insert key.

Possible causes/consequences and ► Solutions

The KEYLESS-GO key can continuously not be detected.
► Insert the SmartKey into the ignition lock and turn it to the desired position.
► Visit a qualified specialist workshop.

    See also:

    Problems with your vehicle
    If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to have ...

    Overview
    The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using ...

    Dashboard fuse box
    There is a fuse box located on both the driver's side and the front-passenger side. Do not use a pointed object such as a screwdriver to open the cover in the dashboard. You could damage the ...