The TPMS in the GLB Series monitors your tire pressure and alerts you when something’s wrong, but it can occasionally show false warnings. Here are some typical causes:
- Low Tire Pressure: Small fluctuations in tire pressure, often due to temperature changes, can trigger the sensor.
- Faulty or Damaged Sensors: Over time, sensors may become damaged or stop functioning due to wear and tear, especially after tire changes or heavy use.
- Battery Depletion: The TPMS sensors contain small batteries that usually last around 5-7 years. When the battery dies, the sensor will stop working.
- Incorrect System Reset: After tire rotation or replacement, the TPMS might need to be reset manually.
- Software Glitches: Sometimes, software issues can cause the system to display a tire pressure sensor fault even when everything is functioning properly.
Steps to Fix the Tire Pressure Sensor Fault in Mercedes-Benz GLB Series
- Check Tire Pressure:
- Use a tire pressure gauge to check all four tires to ensure they are inflated according to the manufacturer’s recommended levels (you can find this information on a sticker inside the driver’s door or in the vehicle manual).
- Adjust the pressure as needed to the recommended levels.
- Reset the TPMS:
- Turn the ignition to the ON position without starting the car.
- Using the steering wheel buttons, navigate to the “Service” menu on the dashboard.
- Scroll to “Tire Pressure” and select “Restart”.
- Confirm the reset and drive the vehicle for a few minutes to allow the system to recalibrate.
- Inspect TPMS Sensors:
- If the error continues, one or more TPMS sensors may be damaged, or the sensor battery may be depleted.
- Visit a Mercedes-Benz service center to test the sensors and replace any that are faulty.
- Software Update:
- If the sensors are fine, the issue might be software-related. Check with your dealership to see if there’s a software update available for your TPMS system.
- Professional Diagnostic:
- If the issue persists after resetting and checking the sensors, it’s time to have a professional run a diagnostic test at a Mercedes-Benz service center.
Preventing Future Tire Pressure Sensor Faults in GLB Series
- Regularly check tire pressure, especially during temperature changes or before long trips.
- Replace TPMS sensors every 5-7 years or when you change tires to avoid battery-related issues.
- Always reset the system after tire maintenance like rotations or replacements.