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What Causes a Mercedes-Benz to Fail to Accelerate?

1 Answers

AndrewAnn

07/29/25 8:12pm

Generally, it is due to a malfunction in the fuel supply system, which fails to control fuel pressure, fuel injection volume, or ignition timing as required, or issues with spark plugs and high-voltage wires. Fuel Supply System Malfunction: The primary source of acceleration power in a car is the engine, and the engine operates by being driven by fuel. Therefore, if there is an issue with the fuel supply system, the vehicle speed cannot increase normally as required during rapid acceleration. Fuel Pressure Control Issues: During rapid acceleration of a car, fuel pressure, fuel injection volume, and ignition timing are critical factors. If these three aspects do not meet specifications, it is highly likely that the vehicle speed cannot increase. Problems with Spark Plugs and High-Voltage Wires: Spark plugs and high-voltage wires are essential components of a car. The main function of spark plugs is to generate sparks to ignite the mixed gas in the cylinders, thereby increasing the vehicle speed. Thus, when there are issues with spark plugs and high-voltage wires, attempting rapid acceleration may result in the vehicle speed failing to increase.

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