Mercedes-Benz 2008 C-Class Operator's Manual page 297

Controls in detail
Useful features
System self-check
Initially, after switching on the ignition,
malfunctions are detected and indicated.
If a malfunction is detected, the indicator
lamps in the SOS button, the Roadside As-
sistance button* b and the Information
button* } stay on longer than
10 seconds or do not come on. The mes-
sage Tele Aid not activated
inoperative appears in the multifunction
display.
296
Warning!
If the indicator lamps in the SOS button, in
the Roadside Assistance button* b
and/or in the Information button* }do
not come on during the system self-check,
or if any of these indicators remain illuminat-
ed continuously in red and/or the message
or Tele Aid
Tele Aid not activated or Tele Aid
inoperative is displayed in the multifunc-
tion display after the system self-check, a
malfunction in the system has been detect-
ed.
If a malfunction is indicated as outlined
above, the system may not operate as ex-
pected. Have the system checked at the
nearest Mercedes-Benz Center as soon as
possible.
Emergency calls
G
An emergency call is initiated
automatically following an accident in
which the emergency 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. For instructions on initiating an
emergency call manually ( page 298).
Once the emergency call is in progress, the
indicator lamp in the SOS button will begin
to flash. The message:
Connecting call
function display
and the audio system is muted. When the
connection is established, the message:
Call connected
function display
appears in the multi-
appears in the multi-