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What is the normal tire pressure for Mercedes-Benz e300?

1 Answers

StKing

07/29/25 6:19pm

The normal tire pressure for Mercedes-Benz e300 is approximately between 2.4bar and 2.5bar. Due to seasonal factors, the tire pressure can be appropriately increased by 0.2bar in winter and decreased by 0.1bar in summer. This data is based on the international GBT2978-2008 standard. The tire pressure for Mercedes-Benz E-Class will be displayed on the multifunction display screen. After driving for a few minutes, the current tire pressure of each tire will be shown in the maintenance menu of the multifunction display. Generally, a tire pressure exceeding 2.8bar is considered too high, while a tire pressure below 2.0bar is considered too low. Hazards of overinflated tires: Reduced friction and adhesion of the tires, affecting braking performance; causing steering wheel vibration and deviation, reducing driving comfort; accelerating localized wear of the central tread pattern, shortening tire lifespan; increased body vibration, indirectly affecting the lifespan of other components; excessive stretching deformation of tire cords, reducing tire elasticity, increasing the load on the vehicle during driving. Hazards of underinflated tires: Increased friction coefficient with the road surface, leading to higher fuel consumption; causing heavy steering and deviation, posing safety risks; increased movement of various parts of the tire, leading to abnormal heating due to excessive rolling; reduced functionality of cords and rubber, causing delamination or cord breakage, excessive friction with the rim, damaging the bead area, and abnormal wear; exponentially increased friction between the tire and the ground, rapidly rising tire temperature, softening of the tire, and sharp decline in strength. High-speed driving may lead to tire blowouts. If the tire pressure monitoring indicator lights up (a yellow symbol, an irregular circle without a seal on top, four small spikes at the bottom, and an exclamation mark inside), there are generally three possible reasons: Abnormal tire pressure: Usually, an alarm will sound if 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, the tire pressure was not reset in time, causing the tire pressure monitoring system to still record the previous data, and the tire pressure monitoring indicator will light up. At this time, simply reset the tire pressure. Damaged tire pressure sensor: The tire pressure sensor is used to monitor tire pressure and is directly installed inside the tire, connected to the tire inflation port. If the tire pressure sensor is damaged during driving, it will also cause the tire pressure warning light to come on. For sensor damage issues, only a new replacement can be installed.

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