It is normal that the front and rear windshield numbers are different, because they belong to different types of glass, and the manufacturer's part numbers are different. Glass labels are generally composed of numbers, numbers and English letters, and are printed in the lower left corner of the glass. Including automobile brand, glass brand, certification mark, glass type, production date and other information.

Characteristics of Mercedes-Benz

Mercedes-Benz is characterized by one word-stability. With the cooperation of the 7-speed automatic gearbox, the power output is not urgent or impetuous. Although the speed is not slow, the driver cannot feel the explosive power of the engine. The characteristics of BMW can be summarized as keen.

The classic inline six-cylinder engine is the most active naturally aspirated engine, and its response to the throttle is very direct. Audi's characteristics are between Mercedes-Benz and BMW. 2.0TFSI engine adopts advanced turbocharging and gasoline direct injection technology.

Compared with BMW and Audi, Mercedes-Benz has the softest suspension and high daily driving comfort. However, when doing violent actions such as fast cornering, the body roll is large, and the sports performance is the weakest among the three cars.