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248
Controls in detail
Useful features
System self-check
Initially, after switching on ignition, mal-
functions are detected and indicated (the
indicator lamps in the SOS button, the
Roadside Assistance button • and the
Information button ¡ stay on longer
than 10 seconds or do not come on). The
message m
alfunction Visit workshop
appears in the multifunction display.
Emergency calls
An emergency call is initiated automatical-
ly following an accident in which the emer-
gency tensioning devices (ETDs) or
air bags deploy.
An emergency call can also be initiated
manually by opening the cover next to the
interior rear view mirror labeled SOS, then
briefly pressing the button located under
the cover. See (
୴ page 249) for
instructions on initiating an emergency call
manually.
Once the emergency call is in progress, the
indicator lamp on the SOS button will
begin to flash. The message
Connecting Call
appears in the multifunc-
tion display. When the connection is estab-
lished, the message
Call connected
appears in the multifunction display. All in-
formation relevant to the emergency, such
as the location of the vehicle (determined
by the GPS satellite location system), vehi-
cle model, identification number and color
are generated.
i
When a Tele Aid call has been initiated, the
audio system or COMAND* System unit is muted
and the selected mode (radio, tape or CD) paus-
es. The optional cellular phone (if installed) and
inserted in cradle switches off. If you must use
this phone, we recommend that you use it only
with the vehicle at a standstill in a safe location.
Remove the phone from the cradle and place the
call. The navigation* system (if engaged) will
continue to run. The multifunction display in the
instrument cluster is available for use, and spo-
ken commands are only available by pressing the
RPT button on audio system or COMAND* Sys-
tem unit. A pop-up window will appear in the au-
dio system or COMAND* System unit display to
indicate that a Tele Aid call is in progress. After
the TeleAid call has ended, the optional cellular
phone switches on again. A PIN entry might be
necessary.
Warning! G
If the indicator lamps on the SOS button, on
the Roadside Assistance button, and/or on
the Information button remain illuminated
continuously in red and/or the message
malfunction Visit workshop
is
displayed in the multifunction display after
the system self-check, a malfunction in the
system has been detected.
If a malfunction is indicated as outlined
above, the system may not operate as
expected. Have the system checked at the
nearest Mercedes-Benz Center as soon as
possible.