Mercedes-Benz 2003 C 240 4MATIC Operator's Manual page 210

Controls in detail
Useful features
The Tele Aid system
(Telematic Alarm Identification on
Demand)
The Tele Aid system consists of three
types of response:
automatic and manual emergency
roadside assistance and
information
The Tele Aid system is operational provid-
ing that the vehicle's battery is charged,
properly connected, not damaged and cel-
lular and GPS coverage is available.
The speaker volume of a Tele Aid call can
be adjusted when using the volume control
on the multifunction steering wheel. To
raise, press button æ and to lower,
press button ç .
To activate, press the SOS button, the
Roadside Assistance button • or
the Information button ¡ , depend-
ing on the type of response required.
210
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The SOS button is located above the in-
side rear view mirror.
The Roadside Assistance button •
and the Information button ¡ are
located below the center armrest
cover.
Shortly after the completion of your Ac-
quaintance Call, you will receive a user ID
and password via first call mail. By visiting
www.mbusa.com and selecting "Tele Aid"
(USA only), you will have access to account
information, remote door unlock and
more.
!
The Tele Aid system utilizes the cellular
network for communication and the
GPS (Global Positioning System) satel-
lites for vehicle location. If either of
these signals are unavailable, the
Tele Aid system may not function and if
this occurs, assistance must be sum-
moned by other means.
System self-check
Initially, after turning the key in starter
switch to position 2, malfunctions are de-
tected and indicated (the indicator lamps
in the SOS button, the Roadside Assis-
tance button • and the Information
button ¡ stay on longer than ten sec-
onds or do not come on). The message
TELE AID – VISIT WORKSHOP!
approx. ten seconds in the multifunction
display.
appears for