2012 MERCEDES-BENZ G-Class emergency towing

Unladen weight (definition) ............
263
Wear indicator (definition) .............265
Wheel rim (definition)
....................263
see Flat tire
Top Tether ............................................ 51
Tow-away alarm .................................. 58
Towing Important safety guidelines ...........235
In the event of malfunctions ..........237
Towing eye
Front .............................................. 235
Rear ............................................... 235
Trailer loads and drawbar
noseweights ...................................... 256
Transfer case Display message ............................ 178
Shift ranges ................................... 145
Transmission position display .........120
Transmission positions ....................120
Transporting the vehicle .................. 236
Traveling uphill Brow of hill ..................................... 139
Trip computer (on-board
computer) .......................................... 162
Trip odometer Calling up ....................................... 156
Turn signal
Display message ............................ 168
Turn signals ......................................... 91
TWR (Tongue Weight Rating)
(definition) ......................................... 265
Type identification plate see Vehicle identification plate U
Ultrasonic backing up aid Function/notes

............................. 142
Malfunction .................................... 144
Range of the sensors ..................... 142
Warning display ............................. 143
Unlocking
Emergency unlocking .......................66
From inside the vehicle (central
unlocking button) ............................. 65 V
Vanity mirror Sun visor ........................................ 194
Vehicle
Data acquisition ............................... 22
Emergency unlocking .......................66
Equipment

....................................... 17
Individual settings (on-board
computer) ...................................... 158
Loading .......................................... 252
Lowering ........................................ 229
Maintenance .................................... 18
Parking for a long period ................ 128
Raising ........................................... 227
Reporting problems .........................21
Towing away .................................. 235
Tow-starting ................................... 235
Transporting .................................. 236
Vehicle dimensions
Technical data ............................... 277
Vehicle identification number
see VIN
Vehicle identification plate ..............271
Vehicle tool kit .................................. 224
Vehicle weights Technical data ............................... 277
Ventilation
Setting the air distribution .............107
Setting the airflow ......................... 108
Video (DVD) ........................................ 157
VIN ...................................................... 271 W
Warning and indicator lamps ABS

................................................ 181
Brakes ........................................... 180
Check Engine ................................. 184
ESP ®
.............................................. 182
ESP ®
OFF ....................................... 182
Fuel tank ........................................ 184
Overview .......................................... 26
PASSENGER AIRBAG OFF ................ 37
Reserve fuel ................................... 184
Seat belt ........................................ 178 Index
15

Possible causes of malfunction:
R
the on-board power supply is not within a
permissible voltage range.
R the temperature
of the DC/AC converter is
temporarily too high.
R some small electronic devices have a
constant nominal power of less than
150 W, but a very high switch-on current.
It is possible that these devices will not
function properly, as 115 V socket : is not
able to provide a high enough current.
If indicator lamp ; still does not light up,
contact a qualified specialist workshop. mbrace
12
Important safety notes !
You must have a license agreement to
activate the mbrace service. Ensure that
your system

is activated and ready for use,
and press the E MB Info call button to
register. If one of these steps is not carried
out, it may not be possible to activate the
system.
If you have questions about the activation,
contact one of the following telephone
hotlines:
R USA: Response Center at
1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
Shortly after successfully registering with the
mbrace service, a user ID and password will
be sent to you by mail. You can use this
password to log in to the mbrace section
under "Owners Online" at http://
www.mbusa.com 13
.
The mbrace system is available if:
R it has been activated and is operational.
Activation requires an available mobile phone network, a valid SIM card and a
subscription to a security service.
R the battery is sufficiently charged.
R the corresponding mobile phone network
is available for transmitting data to the
Customer Center.
i Determining the

location of the vehicle on
a map is only possible if there is sufficient
GPS reception and the vehicle position can
be forwarded to the Customer Center.
The mbrace system The mbrace system provides three different
services:
R
automatic and manual emergency call
R Roadside Assistance call
R MB Info call
To adjust the volume during an mbrace call,
proceed as follows:
X Press the W or X button on the
multifunction steering wheel.
or
X Use the COMAND volume controller.
You can find information and a description of
all available features under "Owners Online"
at http://www.mbusa.com 14
.
System self-test After you have switched on the ignition, the
system carries out a self-diagnosis.
12 The system is called TELE AID in Canada.
13 USA only.
14 USA only.198
Features
Stowing and features

G
WARNING
A malfunction in the system has been
detected if one of the following conditions
occurs:
R the indicator lamp in the SOS button does
not light up during the system self-
diagnosis.
R the indicator lamp in the º Roadside
Assistance button does not light up during
the system self-diagnosis.
R the indicator lamp in the E information
button does

not light up during the system
self-diagnosis.
R the indicator lamp in the SOS button,
º Roadside Assistance button or E
information button continues to be lit red
after the system self-diagnosis.
R the Tele Aid inoperative or Tele Aid
not activated message appears on the
multifunction display after the system self-
diagnosis.
If a malfunction is indicated as outlined above,
the system may not operate as expected. In
the event of an emergency, assistance must
be summoned by other means.
Have the system checked at the nearest
authorized Mercedes-Benz Center or contact
the following service hotlines:
R USA: Response Center at
1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
Emergency call Important safety notes
!
You must have a license agreement to
activate the mbrace service. Ensure that
your system

is activated and ready for use,
and press the E MB Info call button to
register. If one of these steps is not carried
out, it may not be possible to activate the
system. If you have questions about the activation,
contact one of the following telephone
hotlines:
R
USA: Response Center at
1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
An emergency call is dialed automatically if
an air

bag or Emergency Tensioning Device is
triggered.
i An automatically dialed mbrace
emergency call cannot be canceled.
An emergency call can also be initiated
manually.
As soon as the emergency call has been
initiated, the indicator lamp in the SOS button
flashes. The Connecting Call message
appears on the multifunction display.
COMAND is muted.
Once a connection has been established, the
Call Connected message appears on the
multifunction display.
All important information on the emergency
is provided, for example:
R current location of the vehicle (as
determined by the GPS system)
R vehicle model
R vehicle color
R vehicle identification number
A short time after the emergency call is
initiated, a voice connection is automatically
established between the Response Center
and the vehicle occupants. If the vehicle
occupants are able to respond, the Response
Center will attempt to obtain more detailed
information on the emergency.
i If there is no response from the vehicle
occupants, an ambulance is immediately
sent to the vehicle. G
WARNING
If the indicator lamp in the SOS button is
flashing continuously and there was no voice
connection to the Response Center Features
199
Stowing and features
Z

established, then the mbrace system could
not initiate an emergency call (e.g. the
relevant cellular phone network is not
available).
The message
Call Failed appears in the
multifunction display for approximately
10 seconds.
Should this occur, assistance must be
summoned by other means.
Making an emergency call X
To initiate an emergency call
manually: press cover : briefly to open
it.
X Press SOS button ; briefly.
The indicator lamp in SOS button ;
flashes until the emergency call is
concluded.
X Wait for the voice connection with the
Response Center.
X After the emergency call is ended, close
cover :. G
WARNING
If you feel at any way in jeopardy when in the
vehicle (e.g. smoke or fire in the vehicle,
vehicle in a dangerous road location), please
do not wait for voice contact after you have
pressed the SOS button. Carefully leave the
vehicle and move to a safe location. The
Response Center will automatically contact
local emergency officials with the vehicle's
approximate location if they receive an
automatic SOS

signal and cannot make voice
contact with the vehicle occupants. Roadside Assistance button X
Open
the stowage compartment under the
armrest (Y page 189). X
Press and hold Roadside Assistance
button : for more than two seconds.
A call to a Mercedes-Benz Roadside
Assistance Representative is initiated. The
indicator lamp in Roadside Assistance
button : flashes while the call is active.
The Connecting call message appears
on the multifunction display and the
COMAND system is muted.
If a connection can be established, the Call
Connected message appears on the
multifunction display.
If a mobile phone network is available and
there is

sufficient GPS reception, the mbrace
system transmits data to the Response
Center, for example:
R current location of the vehicle
R vehicle identification number
R vehicle model
R vehicle color
i The COMAND display shows that an
mbrace call is active. You can switch to the
navigation menu by pressing the NAVI
button on COMAND during the call. Voice
output is not available.
A voice connection is established between
the Mercedes-Benz Roadside Assistance
Representative and the vehicle occupants.
X Describe the type of assistance needed.200
Features
Stowing and features

Further details on the mbrace system can be
found
at http://www.mbusa.com 16
.
Log in
under "Owners Online".
i If the indicator lamp in MB Info call
button : flashes continuously and no
voice connection to the Response Center
has been established, then the mbrace
system has failed to initiate an MB Info call
(e.g. because the corresponding mobile
phone network is not available). The Call
Failed message appears on the
multifunction display.
X To end a call: press

the ~ button on the
multifunction steering wheel.
or
X Press the corresponding button for ending
a phone call on COMAND.
Call priority When service calls are active, e.g. Roadside
Assistance or MB Info calls, an emergency
call can still be initiated. In this case, an
emergency call has the highest priority and
takes precedence over all other active calls.
The indicator lamp of the respective button
flashes
until

the call is ended. An emergency
call can only be terminated by the Response
Center. All other calls can be ended by
pressing the ~ button on the
multifunction steering wheel or the
corresponding button for ending a telephone
call on COMAND.
i When an mbrace call has been initiated,
COMAND is muted. The mobile phone is no
longer connected to COMAND. However, if
you want to use your mobile phone, we
recommend that you do this only when the
vehicle is stationary and in a safe location.
Downloading destinations in COMAND i
Information on the components and
operating principles of the COMAND system can be found in the separate
COMAND operating instructions.
Destination Download gives you access to a
database with over ten million points of
interest (POIs)

which can be downloaded onto
the navigation system of your vehicle. If you
know the destination, you can download the
address or obtain the location of points of
interest (POIs) or important destinations in
the surrounding area.
You are prompted to confirm route guidance
to the address entered.
X Select Yes using the = or ; button
on COMAND.
X Press 9 on COMAND to confirm.
The system calculates the route and
subsequently starts the route guidance with
the address entered.
i If you

select No, the address can be stored
in the address book.
i The Destination Download function is
available if the corresponding mobile
phone network is available and data
transfer is possible.
Search & Send "Search & Send" is a destination entry
service. You can find further information on
"Search & Send" in the separate COMAND
operating instructions.
Vehicle remote opening
If you have unintentionally locked your
vehicle (e.g. the SmartKey is inside the
vehicle) and a replacement key is not
available:
X
Contact the following service hotlines:
16 USA only.202
Features
Stowing and features