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What is the appropriate tire pressure for a Mercedes-Benz C-Class?

1 Answers

Everdeen

08/29/25 6:41am

The appropriate tire pressure for a Mercedes-Benz C-Class is between 2.4-2.5 bar. Due to seasonal factors, the tire pressure can be increased by 0.2 bar in winter and decreased by 0.1 bar in summer. This data is based on the international GBT2978-2008 standard. The tire pressure monitor for the Mercedes-Benz C-Class is displayed on the multifunction display screen, with sensors installed inside all four tires. If the display does not appear while driving, press the up or down arrow buttons to select tire pressure, then press the OK button to display the tire pressure for each tire on the multifunction screen. Generally, a tire pressure above 2.8 bar is considered too high, while a tire pressure below 2.0 bar is considered too low. Hazards of overinflated tires: Reduced tire friction and adhesion, affecting braking performance; causes steering wheel vibration and deviation, reducing driving comfort; accelerates uneven wear on the central tread of the tire, shortening tire lifespan; increases vehicle vibration, indirectly affecting the lifespan of other components; overstretches the tire cords, reducing elasticity and increasing the load on the vehicle during driving. Hazards of underinflated tires: Increases friction with the road surface, leading to higher fuel consumption; makes the steering wheel heavy and prone to deviation, compromising driving safety; increases movement of tire components, causing abnormal heat due to excessive rolling; weakens the function of cords and rubber, leading to delamination or cord breakage and excessive friction with the rim, damaging the tire bead and causing abnormal wear; multiplies friction with the ground, sharply raising tire temperature, softening the tire, and drastically reducing strength. High-speed driving may lead to tire blowouts. If the tire pressure monitoring indicator light comes on (a yellow symbol with an irregular circle, no stamp on top, four small spikes below, and an exclamation mark inside), there are generally three possible reasons: Abnormal tire pressure: Usually alerts when below 1.8 bar or above 3.0 bar. In this case, 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 system records the old data, causing the indicator light to turn on. Simply reset the tire pressure to resolve this issue. Damaged tire pressure sensor: The sensor, installed inside the tire and connected to the inflation valve, monitors tire pressure. If the sensor is damaged due to impact while driving, the tire pressure warning light will turn on. For sensor damage, replacement with a new part is the only solution.

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