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:
Cleaning the exhaust tail pipes
Impurities combined with the effects of road
grit and corrosive environmental factors may
cause flash rust to form on the surface. You
can restore the original shine of the exhaust
tail pipe b ...
Deactivating
Press and hold the closing button () in the tailgate until you
hear two short tones.
...
Restarting the tire pressure loss warning system
Restart the tire pressure loss warning system
if you have:
• changed the tire pressure
• changed the wheels or tires
• mount new wheels or tires
Before restarting, consult the Tire and
...