The engine coolant temperature sensor is short-circuited, and the data stream will show the high temperature above 100, resulting in the mixed steam being too thin to start; If the sensor is open or the ground wire is in poor contact, the data stream will show a low temperature below -30, resulting in excessive mixed steam and black smoke from the exhaust pipe.
Mercedes-Benz generally refers to Mercedes-Benz. 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: DRP 37435), and was known as the "automobile inventor".