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 self-diagnosis.
- the indicator lamp in the Roadside Assistance button does not light up during the system self-diagnosis.
- The indicator lamp in the information button does not light up during self-diagnosis of the system.
- the indicator lamp in the SOS button, Roadside Assistance button or 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:
Message memory
The on-board computer saves certain display messages. You can call up the
display messages
in the message memory.
•► Press the button on the steering
wheel to select the Serv. menu.
If ...
Setting the time/date format
Select Vehicle in the main function bar by
turning the COMAND controller and
press to confirm.
Select System by turning
the
COMAND controller and press to
confirm.
Select Time b ...
Service menu
In the Serv. menu you can:
• call up display messages
• restart the tire pressure loss warning system (Canada only)
• check the tire pressure electronically
• call up the service due date ...