Mercedes-Benz 2010 GL-Class Operator's Manual page 216

Useful features
214
Prerequisites for operation:
The 12V power outlets in the second-row
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footwell and cargo compartment
( Y page 212) are operational.
The plug of the small device must be
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inserted fully into 115V AC socket :.
The on-board voltage of the vehicle is within
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the permissible voltage range.
The specified wattage of the small device
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is identical or lower than the maximum
permissible wattage (150 W) of the 115V
AC socket :.
X
Operation: Open cover =.
X
Insert the plug of the small device into
115V AC socket :.
LED ; comes on.
If LED ; does not come on, refer to the
section on possible nonoperation causes.
X
Switching off: Pull the plug out of 115V AC
socket :.
Do not pull on the cable.
X
Close cover =.
Possible nonoperation causes:
The on-board voltage of the vehicle is not
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within the permissible voltage range.
X
Start the engine.
The temperature of the DC/AC inverter is
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temporarily too high.
X
Pull the plug of the small device out of
115V AC socket : and plug it in again
after waiting a few minutes.
Some small devices have a continuous
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power rating of less than 150 W but a very
high switch-on current. Such devices will
not operate. When connecting such a
device, 115V AC socket : will not provide
power.
If LED ; still does not come on, contact an
authorized Mercedes-Benz Center.
Tele Aid
!
In order to activate the Tele Aid system, a
subscriber agreement must be completed.
To ensure your system is activated and
operational, please press Information
button E to perform the acquaintance
call. Failure to complete either of these
steps may result in a system that is not
activated.
If you have any questions regarding
activation, please call the Customer
Assistance Center at
1-800-FOR-MERCedes (1-800-367-6372)
(USA only) or 1-888-923-8367 (Canada
only).
Shortly after the completion of your Tele Aid
acquaintance call, you will receive a user ID
and password in the mail. You may use this
password to access the Tele Aid section in
"Owner's Online" at www.mbusa.com (USA
only). The "My Tele Aid" section will give you
access to account information, remote door
unlock and more.
The Tele Aid system is available if
it has been activated and is operational.
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Activation requires a subscription for
monitoring services, connection and
cellular air time
vehicle battery power is available
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the relevant cellular phone network and
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GPS signals are available and pass the
information on to the Customer Assistance
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 Customer
Assistance Center.
The Tele Aid system
(Telematic Alarm Identification on Demand)