SmartKey

Display messages Possible causes/consequences and •► Solutions

Belong to Vehicle Key Does Not Belong to Vehicle

You have put the wrong SmartKey in the ignition lock.

•► Use the correct SmartKey.

Ignition Take Your Key from Ignition

The SmartKey is in the ignition lock.

•► Remove the SmartKey.

The SmartKey needs to be replaced. Obtain a New Key

The SmartKey needs to be replaced.

•► Visit a qualified specialist workshop

The batteries of the KEYLESS-GO key are discharged. Replace Key Battery

The batteries of the KEYLESS-GO key are discharged.

•► Change the batteries

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.

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.

display 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.

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 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.

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:

    Removing/installing the cargo compartment cover (without integrated cargo net)
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    Problems with the rear window defroster
    The rear window defroster has deactivated itself prematurely or cannot be activated. Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the battery ...

    Information for customers in California
    Under California law you may be entitled to a replacement of your vehicle or a refund of the purchase price or lease price, if after a reasonable number of repair attempts Mercedes-Benz USA, L ...