Mercedes-Benz GLC : Doors / Locking/unlocking the driver's door with the emergency key

If you wish to lock the vehicle entirely using the emergency key, first press the button for locking from the inside while the driver's door is open. Then proceed to lock the driver's door using the emergency key.

Remove the emergency key.

Insert the emergency key as far as it will go into opening in the cover.

Pull and hold the door handle.

Pull the cover on the emergency key as straight as possible away from the vehicle until it releases.

Release the door handle.

To unlock: turn the emergency key counterclockwise to position .

To lock: turn the emergency key clockwise to position .

Carefully press the cover onto the lock cylinder until it engages and is seated firmly.