How to Reset the Mercedes Tire Pressure Light?

[SanAlex]

Mercedes tire pressure reset method: First, turn on the ignition switch, then press and hold the tire pressure monitoring reset button. After hearing a "ding" sound, release the button. The tire pressure monitoring system will then store the current normal tire pressure data, automatically clear the previous data, and finally, the dashboard warning light will turn off, completing the tire pressure reset. There are generally three reasons for abnormal tire pressure: Abnormal tire pressure: Typically, an alarm will sound if the pressure is below 1.8 bar or above 3.0 bar. In this case, a tire inspection and pressure adjustment are necessary. 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 turn on. Simply perform a tire pressure reset to resolve this issue. Damaged tire pressure sensor: The tire pressure sensor, which monitors tire pressure, is installed directly inside the tire and connected to the tire inflation valve. If the tire pressure sensor is damaged during driving, such as by hitting a curb, it can also cause the tire pressure warning light to illuminate. For sensor damage issues, the only solution is to replace it with a new component.

[Desiree]

Recently, the tire pressure warning light on my Mercedes GLK came on, and I addressed it immediately. First, I ensured all tire pressures were correct—for instance, the front tires should be at 2.3 bar and the rear at 2.5 bar. I used the onboard tool to check and confirmed there were no leaks. Then, I sat in the car, turned the key to the ON position without starting the engine. Using the arrow buttons on the right side of the steering wheel, I scrolled to the ‘Settings’ menu, found the ‘Tire Pressure Monitor’ option, selected ‘Relearn’ or ‘Reset,’ and confirmed. After waiting about ten seconds, the light automatically turned off. The entire process took less than two minutes. Never ignore a tire pressure warning light—it could indicate a nail in the tire or a slow leak. After resetting, I always take a short drive to ensure the system stabilizes. Developing a habit of checking tire pressure monthly saves a lot of hassle.

[LenaMarie]

When the Mercedes tire pressure warning light comes on, I immediately feel tense because it's related to driving safety. Abnormal tire pressure increases the risk of a blowout and affects braking distance. First, I use a tire pressure gauge to check the cold pressure of each tire, which must meet the standards specified in the manual. The reset procedure is simple: power on the vehicle without starting the engine, use the multifunction steering wheel buttons to navigate to the vehicle information page, select the tire pressure monitoring reset, execute, and confirm. If it doesn't work, the sensor might be dirty or damaged. I've tried cleaning the wheel hub position myself, but if that doesn't help, I go to a professional shop. Regular maintenance is crucial—tire wear or aging can also trigger false alarms. I visit the 4S shop every six months for a check-up to ensure everything is in order.

[Ashley]

Resetting the tire pressure on a Mercedes is not difficult; I've done it myself several times. First, ensure the tires are undamaged and the pressure is correct. After powering on, use the steering wheel controls to navigate to the settings menu, find the tire pressure-related option, select reset, and confirm—the light will go off. After resetting, remember to drive the car to allow the system to confirm the pressure. If you encounter any issues, consult the owner's manual or visit a repair shop.