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Why does Mercedes-Benz prompt for abnormal tire pressure?

1 Answers

OliviaFitz

07/30/25 4:53am

Mercedes-Benz tire pressure abnormalities generally have the following 3 reasons: Abnormal tire pressure: Usually, it will trigger an alarm when the pressure is below 1.8bar or above 3.0bar. At this time, tire inspection and pressure adjustment are required. Tire pressure monitoring not reset: After inflating the tires, if the tire pressure is not reset in time, the tire pressure monitoring system will still record the previous data, causing the tire pressure monitoring indicator light to illuminate. Simply performing a tire pressure reset will resolve this issue. Damaged tire pressure sensor: The tire pressure sensor, which is used to monitor tire pressure, is directly installed inside the tire and connected to the tire inflation valve. If the tire pressure sensor is damaged during driving, it will also cause the tire pressure warning light to turn on. For sensor damage issues, only replacement with a new component is possible. According to the international GBT2978-2008 standard, the standard tire pressure is 2.4-2.5bar. In winter, the tire pressure should be based on the standard tire pressure of the car tire, with an appropriate increase of about 0.2bar. In summer, the tire pressure can generally be about 0.1bar lower than the standard to avoid tire blowouts due to high temperatures.

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