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483
Controls in detail
Useful features
Shortly after the completion of your
Tele Aid acquaintance call, you will receive
a user ID and password. By visiting
www.mbusa.com and selecting “Tele Aid”
(USA only), you will have access to account
information, remote door unlock and
more.
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 • and the Information
button ¡ stay on longer than
10 seconds or do not come on. The mes-
sage “Tele Aid not activated” or “Tele Aid
inoperative” appears in the multifunction
display.
Emergency calls
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 (
୴ page 485).
Once the emergency call is in progress, the
indicator lamp in the SOS button will begin
to flash. The message:
ț “Connecting call” appears in the multi-
function display
ț “Emergency Call Activated” appears in
the COMAND display
and the audio system is muted. When the
connection is established, the message:
ț “Call connected” appears in the multi-
function display
ț “Emergency Call Activated” appears in
the COMAND display
i
The SOS button is located above the interior
rear view mirror (
୴ page 485).
The Roadside Assistance button • and the
Information button ¡ are located below the
center armrest cover (
୴ page 485).
Warning! G
If the indicator lamps in the SOS button, in
the Roadside Assistance button •
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
“Tele Aid not activated” or “Tele Aid inopera-
tive” 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 ex-
pected. Have the system checked at the
nearest Mercedes-Benz Center as soon as
possible.