System self-test

After you have switched on the ignition, the system carries out a self-diagnosis.

A malfunction in the system has been WARNING
A malfunction in the system has been detected if one of the following conditions occurs:
- the indicator lamp in the SOS button does not light up during the system selfdiagnosis.
- the indicator lamp in the Roadside Roadside Assistance button does not light up during the system self-diagnosis.
- The indicator lamp in the information information button does not light up during selfdiagnosis of the system.
- the indicator lamp in the SOS button, Roadside Assistance button or Roadside Assistance button or information button continues to be lit red information button continues to be lit red after the system self-diagnosis.
- The Tele Aid Inoperative or Tele Aid Not Activated message appears in the multifunction display after the system selftest.
If a malfunction is indicated as outlined above, the system may not operate as expected. In the event of an emergency, assistance must be summoned by other means.
Have the system checked at the nearest authorized Mercedes-Benz Center or contact the following service hotlines:
- USA: Mercedes-Benz Customer Assistance Center under
1-800-FOR-MERCedes(1-800-367-6372)
or 1-888-990-9007
- Canada: Customer Service at
1-888-923-8367

    See also:

    Fogged up or dirty windshield
    If the windshield in front of the camera is fogged up or dirty on the inside or outside, the Night View Assist Plus display is affected. WARNING Please do not forget that your primary respon ...

    Activating RACE START
    Depress the brake pedal with your left foot, and keep it depressed. Turn the drive program selector clockwise until the RS lamp lights up. The multifunction display shows the RACE START Conf ...

    ADAPTIVE BRAKE
    ADAPTIVE BRAKE enhances braking safety and offers increased braking comfort. In addition to the braking function, ADAPTIVE BRAKE also has the HOLD function and hill start assist. For further ...