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
Assistance button does not light up during
the system self-diagnosis.
• The indicator lamp in the
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
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: Response Center under
888-990-9007
• Canada: Customer Service at
1-888-923-8367
See also:
Entering a point of interest in the
vicinity of the current position
Select Current Position and press
to
confirm.
Continue with assigning the point of
interest category. ...
Driving over obstacles
Obstacles could damage the floor of the vehicle or components of the chassis.
Ask passengers for guidance when driving over large obstacles. The passenger should
always keep a safe distance fro ...
The spray nozzles are misaligned
The windshield washer fluid from the spray
nozzles no longer hits the center of the
windshield. The spray nozzles are misaligned.
- Have the spray nozzles adjusted at a
qualified specialist wor ...