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:
Important safety notes
See the "Important safety notes"
section.
If ESP® detects that the vehicle is deviating
from the direction desired by the driver, one
or more wheels are braked to stabilize the
veh ...
Automatic car wash
WARNING
Braking efficiency is reduced after washing
the vehicle. This could cause an accident. For
this reason, you must drive particularly
carefully after washing the vehicle until the
bra ...
Problems with the cooling with air
dehumidification function
When you press the button, the
indicator lamp in the button flashes three
times or remains off. You can no longer switch
on the cooling with air dehumidification
function.
•► Consult a ...