What do you mean the Mercedes key is locked?

Lock the car. There is a key on the key of Mercedes-Benz, which is called lock key. If you press it, all four doors will be locked, so the lock key of Mercedes-Benz means to lock the car. Mercedes-Benz is a world-famous luxury car brand. 1886 65438+ 10, karl benz invented the world's first three-wheeled car, obtained a patent (patent number: DRP37435), and was known as the "automobile inventor".