monitoring services, connection and
cellular air time.
R vehicle battery power is available.
R the relevant cellular phone network and
GPS signals are available and pass the
information on to the Response Center.
i Location of the vehicle on a map is only
possible if the vehicle is able to receive
signals
from the GPS satellite network and
pass the information on to the Response
Center.
The Tele Aid system ( Telematic Alarm Identification on Demand)
The Tele Aid system consists of three types
of response:
R Automatic and manual emergency
R Roadside Assistance
R Information
The Tele Aid system is operational providing
that
the vehicle’s battery is charged, properly
connected, not damaged, and cellular and
GPS coverage is available. The Tele Aid
system utilizes the cellular network for
communication and the GPS ( Global
Positioning System) satellites for vehicle
location. If either of these signals are
unavailable, the Tele Aid system may not
function and if this occurs, assistance must
be summoned by other means.
i A Tele Aid call cannot be canceled. Even
if the Tele Aid system is not activated or
operational, the system will attempt to
connect the respective call. This may take
as
long as five minutes or more. As long as
the Tele Aid system attempts to connect a
call, you cannot operate the COMAND
system. Also, most functions in the control
system, such as the telephone function, are
suspended. Therefore, it is not advisable to
initiate any Tele Aid call unless the Tele Aid
system is activated and operational. To adjust the speaker volume during a Tele
Aid call do the following:
X
Press button W or X on the
multifunction steering wheel.
or
X Use the adjustment button on your
COMAND system.
System self-test The system performs a self-test after you
have switched on the ignition.
G
Warning!
A malfunction in the system has been
detected if any or all of the following
conditions occur:
R The indicator lamp in the SOS button does
not come on during the system self-test.
R The indicator lamp in Roadside Assistance
button º does not come on during the
system self-test.
R The indicator lamp in Information button
E does not come on during the system
self-test.
R The indicator lamp in the SOS button,
Roadside Assistance button º, or
Information button E remains
illuminated constantly in red after the
system self-test.
R The message Tele Aid Inoperative or
Tele Aid Not Activated appears in the
multifunction
display after the system self-
test
If a malfunction is indicated as outlined above,
the system may not operate as expected. In
case of an emergency, help will have to be
summoned by other means.
Have the system checked at the nearest
Mercedes-Benz Center or contact the
Response Center at 1-800-756-9018 (in the
USA) or 1-888-923-8367 (in Canada) as soon
as possible. 208
Useful features
Controls in detail
251_AKB; 4; 52, en-US
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