Mercedes-Benz 2005 E -Class Wagon Operator's Manual page 271

Controls in detail
Useful features
The Tele Aid system
(Telematic Alarm Identification on De-
mand)
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 çor use the volume knob
on your COMAND headunit.
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To activate, press the SOS button, the
Roadside Assistance button • or
the Information button ¡, depend-
ing on the type of response required.
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The SOS button is located above the in-
terior rear view mirror.
The Roadside Assistance button •
and the Information button ¡ are
located below the center armrest cov-
er.
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.
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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 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 ten seconds or do not come on). The
message TELE AID malfunction – Drive
to workshop appears for approximately
ten seconds in the multifunction display.