Mercedes-Benz GL-Class: 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
The mbrace system
The mbrace system provides different
services, e.g.:
• automatic and manual emergency call
• Roadside Assistance call
• MB Info call
To adjust the volume during an mbrace call,
proceed a ...
Emergency call
Important safety notes
A license agreement must exist in order
to activate the mbrace service. Ensure that
your system is activated and ready for use,
and press the MB Info call button
to
re ...
See also:
Important safety notes
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
...
Battery care
WARNING
If swallowed, battery fluid can be fatal, seek medical assistance immediately.
Do not allow battery fluid to contact your skin or eyes. It is both toxic and
corrosive which can result ...
Brake warning lamps
The ABS warning lamp illuminates briefly when the ignition is turned on. See
57, WARNING LAMPS AND INDICATORS.
If this amber warning lamp illuminates when driving (accompanied by an associated
wa ...
