Mercedes-Benz C-Class Manuals

Mercedes-Benz C-Class (W205) 2015 - 2021 Owners Manual: Tire pressure loss warning system

Function of the tire pressure loss warning system

The tire pressure loss warning system warns the driver by means of display messages when there is a severe tire pressure loss.

After a change in tire pressure, a wheel rotation or a tire change, or if you have re-installed wheels or tires, the tire pressure loss warning system has to be restarted.

The tire pressure loss warning system does not replace the need to regularly check the tire pressure.

System limitations

The system may be impaired or may not function particularly in the following situations:

  • Incorrectly set tire pressure
  • Sudden pressure loss caused, for example, by a foreign object penetrating the tire
  • Steady pressure loss in several tires

The system has a restricted or delayed function particularly in the following situations:

  • Poor ground conditions, e.g. snow or gravel
  • Driving with snow chains
  • When adopting a very sporty driving style with high cornering speeds or sudden acceleration
  • Driving with a high load

Be sure to also observe the following further related subjects:

  • Notes on tire pressure
  • Display messages about the tires

Restarting the tire pressure loss warning system

Requirements:

  • The recommended tire pressure is correctly set for the respective operating status on each of the four wheels.

Restart the tire pressure loss warning system in the following situations:

  • The tire pressure has changed.
  • The wheels or tires have been changed or newly installed.

On-board computer: Service → Tires

  • Swipe downwards on the Touch Control on the left-hand side of the steering wheel.

    The Tire Pressure Control System ActiveRestart: Press Touch Control message is shown in the multifunction display.

Restart the tire pressure loss warning system in the following situations:

  • The tire pressure has changed.
  • The wheels or tires have been changed or newly installed.
  • To begin the restart, press the Touch Control on the left-hand side of the steering wheel.

    The Tire Pressure Now OK? message is shown in the multifunction display.

  • Select Yes .
  • To confirm the restart, press the Touch Control on the left-hand side of the steering wheel.

    The Run Flat Indicator Restarted message is shown in the multifunction display.

    After you have driven for a few minutes, the tire pressure loss warning system monitors the set tire pressures of all the tires.

Be sure to also observe the following further related subjects:

  • Notes on tire pressure
    Tire pressure monitoring system

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