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:
Problems with the rear window defroster
The rear window defroster has deactivated
itself prematurely or cannot be activated.
Switch off any consumers that
are not
required, e.g. reading lamps or interior
lighting.
When the batter ...
Brakes
Important safety notes
WARNING
On slippery road surfaces, never downshift in
order to obtain braking action. This could
result in drive wheel slip and reduced vehicle
control. Your ve ...
Canceling Parking Guidance
Press the PARKTRONIC button on
the
center console.
Parking Guidance is canceled immediately
and PARKTRONIC is deactivated.
Parking Guidance is canceled automatically if
it is no longer poss ...
