What is the cause of the failure light of Mercedes-Benz engine?

Everyone is concerned about "what is the reason for the failure light of Mercedes-Benz engine?" Let me explain something to you:

The failure light of Mercedes-Benz engine is caused by excessive exhaust emission, excessive carbon deposition and dirty throttle. The solution is to clean the throttle nozzle and use qualified fuel. Take mercedes benz c Class as an example: its length, width and height are 4784mm, 18 10mm and 1457mm respectively, and its wheelbase is 2920 mm. It is equipped with a 9-speed automatic manual transmission with a top speed of 22 1 km. Mercedes benz c class fuel tank has a volume of 66L, maximum power 1 15kW, maximum power speed of 5700rpm and tire size of 225/50R 17.