Checking tire pressure electronically

2 in the ignition lock.  Make sure that the SmartKey is in position 2 in the ignition lock.
or  Press the button on the or steering wheel to select the Service button on the steering wheel to select the Service menu.
or  Press the button to select or Tire Pressure. button to select Tire Pressure.
button.  Press the The current tire pressure for each wheel will button.
The current tire pressure for each wheel will be displayed in the multifunction display.

If the vehicle has been parked for longer than 20 minutes, the Tire pressures will be displayed after driving a few minutes message appears in the display.

After a teach-in period, the tire pressure monitor automatically recognizes new wheels or new sensors. If a clear allocation of the tire pressure values to the individual wheels is not possible, the Tire Pressure Monitor Active message is shown instead of the tire pressure display. The tire pressures are already being monitored.

wheel If a spare wheel/emergency spare wheel is mounted, the system may continue to show the tire pressure of the wheel that has been removed for a few minutes. If this occurs, note that the value displayed for the position where the spare tire is mounted is not the same as the spare wheel/emergency spare wheel's current tire pressure.

    See also:

    Tire characteristics
    Tire data is vehicle-specific and may deviate from the data in the example. This information describes the tire cord and the number of layers in sidewall 1 and under the tread 2. ...

    Automatic headlamp mode
    To switch on automatic headlamp mode: turn the light switch to or . SmartKey in position 1 in the ignition lock: the parking lamps are switched on or off automatically depending on the br ...

    Important notes on tire pressure
    WARNING Should the tire pressure drop repeatedly: • check the tire for foreign bodies. • check whether the wheel is losing air or the valve is leaking. • make sure that only a valve cap approved ...