System self-test

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

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 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 1-888-923-83

    See also:

    Problems with the seat ventilation
    The seat ventilation has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. - Switch ...

    Overview of sun visors
    WARNING Do not use the vanity mirror while driving. Keep the vanity mirrors in the sun visors closed while the vehicle is in motion. Reflected glare can endanger you and others. 1 Mirror li ...

    Dialing a number from the phone book
    If your mobile phone is able to receive calls, you can search for and dial a number from the phone book in COMAND at any time. •► Copy the telephone book of the mobile phone into the audi ...