Checking tire pressure electronically

Make sure that the SmartKey is in position 2 in the ignition lock.

Press and hold the the multifunction steering wheel until the button on the multifunction steering wheel until the standard display appears in the multifunction display.

Press and hold the until the current tire pressure of each tire button until the current tire pressure of each tire is shown in the multifunction display.

If the vehicle has been parked for longer than 20 minutes, the Tire pressure displayed after driving for several 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.

is mounted, the system may continue to 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:

    Charging the battery
    WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions th ...

    System self-test
    The indicator lamp illuminates when you: • turn the SmartKey to position 1 or 2 in the ignition lock • on vehicles with KEYLESS-GO, press the Start/Stop button once or twice If an adult occupant ...

    System self-test
    The 42 indicator lamp illuminates when you: • turn the SmartKey to position 1 or 2 in the ignition lock • on vehicles with KEYLESS-GO, press the Start/Stop button once or twice The indicator ...