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What to Do If a New Car Has Quality Issues?

1 Answers
ElijahLee
07/28/25 11:21am

If there are issues with a new car, negotiate with the 4S dealership by presenting the Three Guarantees certificates and the purchase contract to request a replacement or refund. Here are the steps to address problems with a new car: Negotiation: First, you can negotiate with the 4S dealership for a replacement or refund by providing the Three Guarantees certificates and the purchase contract. Complaint: If negotiations with the 4S dealership fail, you can file a complaint with the Consumer Association or the Industrial and Commercial Department. Additionally, you may seek media exposure or resort to legal action to protect your legitimate rights.

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What is the fuel consumption of the Mercedes-Benz G500?

The fuel consumption of the Mercedes-Benz G500 is 16.8 liters per 100 kilometers. The actual comprehensive fuel consumption is related to multiple factors such as load, road conditions, driving habits, weather, wind speed, tire pressure, etc. The actual comprehensive fuel consumption should be based on real driving conditions. Factors affecting fuel consumption: There is a certain relationship between engine displacement and fuel consumption, but a higher fuel consumption does not necessarily mean a larger displacement. In a relative sense, the size of a car's displacement does not directly correlate with its fuel consumption. Besides displacement, factors such as the car's shape, weight, and engine technology also significantly influence fuel consumption. Solutions for high fuel consumption: Correct improper driving habits, maintain steady acceleration, avoid coasting in neutral, reduce vehicle load, perform regular maintenance and inspections, and address any issues immediately when detected.
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What does the Audi automatic headlight morning, noon, and evening setting mean?

Audi automatic headlight morning, noon, and evening settings refer to the light sensitivity threshold for automatic headlight activation. Details about automatic headlights are as follows: Function of automatic headlights: Automatic headlights are a feature installed by some manufacturers for driver convenience, utilizing a light-sensing control system in vehicles. When the photosensor detects that external light intensity exceeds or falls below a certain threshold, the vehicle's headlights will automatically turn on or off. This configuration remains highly user-friendly. Many drivers neglect to turn on their headlights in dimly lit areas with streetlights. Working principle of automatic headlights: The core component of automatic headlights is the photosensor, typically located on the front dashboard or top of the windshield. When the photosensor receives sufficient light exposure, it remains in an open circuit state, keeping the headlights off. If the photosensor detects insufficient brightness, the photosensitive material will emit an electrical signal to automatically activate the headlights without manual intervention. This feature proves extremely convenient when entering or exiting tunnels.
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How to Solve the Exhaust Pipe Abnormal Noise Issue in Mercedes-Benz E-Class?

Mercedes-Benz E-Class exhaust pipe abnormal noise causes and solutions: Exhaust pipe aging: When a car is too old, the exhaust pipe is prone to aging problems, leading to loosening, detachment, or holes, which eventually cause abnormal noise from the exhaust pipe. This situation is relatively simple to solve, requiring only re-fixing or replacing the exhaust pipe. Automobile three-way catalytic converter failure: If the car's three-way catalytic converter fails, it cannot properly purify exhaust gases, causing exhaust gases to block and compress inside it, leading to abnormal noise from the exhaust pipe. In this case, it is necessary to go to a repair shop or 4S store for professional inspection and repair. Automobile ignition system failure: If the car's ignition system fails, fuel cannot burn normally in the cylinder, and the car will experience symptoms such as weak acceleration, easy stalling, and abnormal noise from the exhaust pipe. In this case, a detailed inspection of the car's ignition system is also required.
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How to Solve the Abnormal Noise During Acceleration in Mercedes-Benz E260?

Mercedes-Benz E260 acceleration abnormal noise causes and solutions: Fuel pump motor abnormal noise: When there is internal wear or impurities in the fuel pump motor, abnormal noise will occur when accelerating. Solution: Replace the fuel pump. Throttle body abnormal noise: Modern throttle bodies use electronic throttle control, where the motor naturally controls the opening and closing of the throttle valve. When the motor gears wear out, insufficient engagement causes abnormal noise. Excessive carbon deposits or sludge in the throttle body can also lead to abnormal noise. Solution: Clean the throttle body; if the motor is damaged, disassemble the throttle body and replace the servo motor. Accelerator pedal bearing lubrication issue causing abnormal noise: Clutch release bearing damage leads to incomplete clutch disc separation, causing abnormal noise. Solution: Apply grease to the bearing for lubrication. Remove the clutch and replace the release bearing.
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What are the symptoms of abnormal noise from the Mercedes-Benz shock absorber top mount?

Abnormal noise from the car's shock absorber top mount has the following symptoms: Shock absorber noise: When the shock absorber top mount is severely worn or damaged, the vehicle's shock absorber will produce abnormal noise during operation. The steering may become tilted or the steering wheel may tilt when driving straight. Steering deviation: When the shock absorber top mount is damaged, the vehicle's steering may show slight deviation, difficulty in returning to center, and weak return force. Increased noise: Due to the lack of cushioning from the top mount, the shock absorber will transmit the absorbed vibrations and impacts directly from the frame to the passenger compartment during operation. There may also be abnormal noise when turning the steering wheel while stationary. Even if the shock absorber is not working, excessive wear or damage to the top mount can cause very noticeable abnormal noise when turning the steering wheel while stationary.
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What is the difference between Sapphire Black and Carbon Black?

Apart from the difference in visual perception, there is basically no difference between Sapphire Black and Carbon Black in terms of paint resistance, hardness, cost, and price. Sapphire Black: The name of this paint is easily mistaken for "bluish-green", but the black paint not only highlights a low-key and steady temperament but also maintains a sense of freshness, which is why this color has gained the favor of many customers. Carbon Black: In contrast to Sapphire Black, Carbon Black is easily mistaken for pure black. However, this color actually has a blue tint within the black. Under good lighting conditions, the entire car appears as a gradient of black and blue, giving the paint a relatively high-end visual experience. However, it is not as steady and elegant as Sapphire Black, and the texture is not as strong in rainy weather or under weak lighting conditions.
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