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What are the reasons for a Mercedes-Benz suddenly failing to start?

1 Answers

Giselle

07/29/25 2:06pm

Mercedes-Benz suddenly failing to start may be due to the following reasons: 1. Dead battery: Sometimes you may find the car unable to start normally in the morning, which is likely because the trunk was not completely closed, causing the trunk light to stay on and drain the battery. 2. Spark plug failure: Spark plugs themselves are prone to damage, and situations like short circuits in high-voltage lines can prevent the spark plugs from igniting. Another reason is that poor-quality spark plugs can also lead to failure to start normally. 3. Starting circuit malfunction: When starting, there is only a slight "click" sound with no further response, which is caused by the starting relay getting stuck. In this case, simply pressing the tail of the electromagnet to force it forward can connect the starting circuit, allowing the engine to start.

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