MERCEDES-BENZ G-CLASS SUV 2012 Owners Manual

Trailer power supply
! You can connect accessories with a max-
imum power consumption of 180 W to the
permanent powe rsupply.
You must no tcharge a trailer battery using
the power supply.
The trailer socket of your vehicle is equipped
at the factory with apermanen tpower supply.
The permanent power supply is supplied via
trailer socket pin 9.
You can find more information about fitting
the trailer electrics at a qualified specialist
workshop. Trailer with 7-pin connector
General notes You can make a connection to the 13-pin
socket on the ball coupling using an adapter
or, if necessary, an adapter cable. Both can
be obtained at a qualified specialist work-
shop.
Fitting the adapter !
Make sure that there is sufficient cable
play so that the cable cannot become
detached when cornering. X
Open the socket cover.
X Insert the connector with lug :into
groove ;on the socket and turn the con-
nector clockwise to the stop. X
Let the cover engage.
X If you are using an adapter cable, secure
the cable to the trailer with cable ties.
i When the socket is connected, the ultra-
sonic reversing aid is deactivated. 208
Towing
atrailerDriving an d parking

Useful information
............................210
Important safety notes ....................210
Displays and operation ....................211
Menus and submenus ......................214
Display messages ............................. 228
Warning and indicator lamps in the
instrument cluster ............................251 209On-board computer and displays

Useful information
i This Owner's Manual describes all mod-
els, series and optional equipment for your
vehicle that were available at the time of
going to press. Country-specific differen-
ces are possible. Note that your vehicle
may not be fitted with all features descri-
bed. This is also the case for systems and
functions relevant to safety.
i Read the information on qualified special-
ist workshops: (Y page 22). Important safety notes
G
WARNING
Only use the on-board computer when road
and traffic conditions permit .You would oth-
erwise be distracted and unable to concen-
trate properly on driving, and could cause an
accident. G
WARNING
No messages will be displayed if either the
instrument cluster or the multifunction dis-
play is inoperative.
As a result, you will not be able to see infor-
mation about your driving conditions, such as
speed, outside temperature, warning and indi-
cator lamps, display messages or system fail-
ures. Driving characteristics may be impaired.
Adjust your driving style and vehicle speed
accordingly.
Contact a qualified specialist workshop
immediately. G
WARNING
The on-board computer only records and dis-
plays malfunctions and warnings from certain
systems. For this reason, you should always
make sure that your vehicle is safe to use. You
could otherwise cause an accident by driving
an unsafe vehicle. G
WARNING
The operating safety of your vehicle could be
impaired if maintenance work is carried out
incorrectly. This could cause you to lose con-
trol of your vehicle and cause an accident.
Moreover, the safety systems may no longer
be able to protect you or others as they are
designed to do.
Always have service work carried out at a
qualified specialist workshop.
For an illustration of the instrument cluster,
see (Y page 211). 210
Important safety notesOn-board computer and displays

Displays and operation
Instrument cluster
Instrument cluster: kilometres
:
Speedometer with segments (Y page 212)
; Multifunction display (Y page 214)
= Rev counter (Y page 212)
? Coolant temperature ( Ypage 212)
A Fuel gauge
B Instrumen tcluster lighting (Y page 212) Instrument cluster: miles
:
Speedometer with segments (Y page 212)
; Multifunction display (Y page 214) Displays and operation
211On-board computer and displays Z

=
Rev counter (Y page 212)
? Coolan ttemperature (Y page 212)
A Fuel gauge
B Instrument cluster lighting (Y page 212)Instrument cluster lighting
The lighting in the instrument cluster, in the
displays and the controls in the vehicle inte-
rior can be adjusted using the brightness con-
trol knob.
The brightness control knob is located on the
bottom left of the instrument cluster
(Y page 211).
X Turn the brightness control knob clockwise
or anti-clockwise.
If the light switch is set to Ã,Tor
L, the brightness is dependen tupon
the brightness of the ambient light.
i The light senso rinthe instrumentc luster
automatically controls the brightness of
the multifunction display.
In daylight, the displays in the instrument
cluster are not illuminated. Displaying the coolant temperature
The coolan ttemperature gauge is in the
instrument cluster on the right-hand side
(Y page 211).
The reading may rise up to 120 †undernor-
mal driving conditions if the coolant has been
filled correctly.
At high outside temperatures and when driv-
ing uphill, the coolant temperature may rise
to the end of the scale. Rev counter
! Do not drive in the overrevving range.
Doing so will damage the engine.
The red band in the rev counter indicates the
engine's overrevving range. The fuel supply is interrupted to protec
tthe
engine when the red band is reached. Outside temperature display
G
WARNING
At temperatures just above freezing point, the
street may be icy, especially in wooded areas
or on bridges. If you do not adapt your driving
style to the conditions, the vehicle could skid.
For this reason, adapt your driving style and
speed to the weather conditions.
The outside temperature displayi s in the mul-
tifunction display (Y page 214).
Changes in the outside temperature are dis-
played after a short delay. Speedometer with segments
The segments in the speedometer indicate
which speed range is available.
R Cruise control activated (Y page 173):
The segments light up from the stored
speed to the maximum speed.
R Variable SPEEDTRONIC activated
(Y page 178):
The segments light up from the start of the
scale to the selected limit speed.
R DISTRONIC PLUS activated (Y page 184):
One or two segments in the set speed
range light up.
R DISTRONIC PLUS detects avehicle in front:
The segments between the speed of the
vehicle in fron tand the stored speed light
up. 212
Displays and operationOn-board computer and displays

Operating the on-board computer
Overview :
Multifunction display
; To switch on LINGUATRONIC, see the sep-
arate operating instructions
= Right control panel
? Left control panel
A Back button
X To activate the on-board computer: turn
the key to position 1(Ypage 143) in the
ignition lock.
You can control the multifunction display and
the settings in the on-board computer using
the buttons on the multifunction steering
wheel. Left control panel =
; R
Calls up the menu and menu bar 9
:
Press briefly:
R
Scrolls through lists
R Selects a submenu or function
R In the Audio menu: selects a
stored station, an audio trac kor
a video scene
R In the Tel (telephone) menu:
switches to the phone book and
selects a name or telephone
number 9
:
Press and hold:
R
In the Audio menu: selects the
previous/next statio norselects
an audio trac koravideo scene
using rapid scrolling
R In the Tel (Telephone) menu:
starts rapid scrolling if the phone
book is open a R
Confirms selection/display mes-
sage
R In the Tel (telephone) menu:
switches to the telephone book
and starts dialling the selected
number
R In the Audio menu: stops the
station search function at the
desired station Right control panel
~ R
Rejects or ends a call
R Exits telephone book/redial
memory 6 R
Makes or accepts a call
R Switches to the redial memory Displays and operation
213On-board computer and displays Z

W
X R
Adjusts the volume 8 R
Mute Back button
%
Press briefly:
R
Back
R Switches off LINGUATRONIC,
see the separate operating
instructions
R Hides display messages/calls
up the last Trip menu function
used
R Exits the telephone book/redial
memory %
Press and hold:
R
Calls up the standard display in
the Trip menu
Multifunction display
:
Transmission positio n(Ypage 151)
; Drive program (Y page 152)
= Description field
? Menu bar A
Outside temperature or speed
(Ypage 221)
B Time
C Transfer case position (Y page 201)
X To show menu bar ?:press the =
or ; button on the steering wheel.
Menu bar ?disappears after a few seconds.
Text field =shows the selected menu or
submenu as well as display messages.
For further information on displaying the
transmission position, see (Y page 150).
i You can set the time using the audio sys-
tem or COMAND APS, see the separate
operating instructions.
The following messages can appear in the
multifunction display:
Z Upshift indicator (Y page 154)
¯ Cruise control (Y page 173)
LIM SPEEDTRONIC (Y
page 178)
¤ ECO start/stop function (AMG vehi-
cles) (Ypage 145)
LOW RANGE LOW RANGE off-road gear
(Y
page 202)
ë HOLD function (Y page 196) Menus and submenus
Menu overview
Press the =or; button on the steer-
ing wheel to call up the menu bar and select
a menu.
Operating the on-board computer
(Y page 213).
Depending on the equipment fitted in the
vehicle, you can call up the following menus:
R Trip menu (Y
page 215)
R Navi menu (navigation details)
(Y page 216)
R Audio menu (Y
page 217)
R Tel menu (telephone) (Y
page 218)
R Assist. menu (assistance) (Y
page 220)214
Menus and submenusOn-board computer and displays

R
Service menu (Y
page 220)
R Settings menu (Y
page 221)
R AMG menu in AMG vehicles (Y
page 225)
The Audio ,
Navi and
Tel menus differ slightly
in vehicles with an audio system and in vehi-
cles with COMAND Online. The examples
given in this Owner's Manual apply to vehicles
equipped with COMAND Online. Trip menu
Standard display X
Press and hold the %button on the
steering wheel until the Trip menu with
trip meter :and total distance
recorder ;is shown.
Trip computer "From start" or "From
reset" Example: "From start" trip computer
:
Distance
; Time
= Average speed
? Average fuel consumption
X Press the =or; button on the steer-
ing wheel to select the Trip menu.
X Press 9or: to select From start or
From reset .The values in the
From start submenu are
calculated from the start of a journey whilst
the values in the From reset submenu are
calculated from the last time the submenu
was reset (Y page 216).
The From start trip computer is automati-
cally reset when:
R the ignition has been switched off for more
than four hours.
R 999 hours have been exceeded.
R 9,999 kilometres have been exceeded.
The From reset trip computer is automati-
cally reset if the value exceeds 9,999 hours
or 99,999 kilometres.
Displaying the range and current fuel
consumption :
Approximate range
; Current fuel consumption (not for AMG
vehicles)
X Press the =or; button on the steer-
ing wheel to select the Trip menu.
X Press the 9or: button to select the
current fuel consumption (not for AMG
vehicles) and the approximate range.
The approximate range which can be covered
depends on the fuel level and your current
driving style. If there is only a small amount
of fuel left in the fuel tank, the display shows
a vehicle being refuelled Cinstead of
range. Menus and submenus
215On-board computer and displays Z

Digital speedometer
:
Digital speedometer
X Press the =or; buttononthe steer-
ing wheel to select the Trip menu.
X Press the 9or: button to select the
digital speedometer.
Resetting values Example: resetting the trip computer "From start"
X
Press the =or; button on the steer-
ing wheel to select the Trip menu.
X Press the 9or: button to select the
function that you wish to reset.
X Press the abutton.
X Press the :button to select Yes and
press the abutton to confirm.
You can reset the values of the following func-
tions:
R Trip meter
R trip computer "From start"
R trip computer "From reset" Navigation menu
Displaying navigation instructions In the
Navi menu, the multifunction display
shows navigation instructions. For further information, see the separate
operating instructions.
X
Switch on the audio system with Becker ®
MAP PILOT or COMAND Online, see the
separate operating instructions.
X Press the =or; button on the steer-
ing wheel to select the Navi menu.
Route guidance not active :
Direction of travel
; Current street
Activated route guidance No change of direction announced
:
Distance to the destination
; Distance to the next change of direction
= Current street
? Symbol "follow the road's course" 216
Menus and submenusOn-board computer and displays

Change of direction announced without a
lane recommendation :
Road to which the change of direction
leads
; Distance to change of direction and visual
distance display
= Change-of-direction icon
When a change of direction has been
announced, you will see visual distance dis-
play ;next to the symbol for change of
direction =.This shortens from the bottom
to the top of the display as you approach the
point of the announced change of direction.
Change of direction announced with a
lane recommendation :
Road to which the change of direction
leads
; Distance to change of direction and visual
distance display
= Lane recommendation
? New lane during a change of direction
A Lane continues through change of direc-
tion
B Change-of-direction icon
On multilane roads, the system can display
lane recommendation =for the next change
of direction. During the change of direction,
additional lanes may be displayed. Lane recommendations are only displayed if
the relevant data is available on the digital
map.
Other status indicators of the naviga-
tion system R
O:y ou have reached the destination or an
intermediate destination.
R New route... or
Calculating route :
calculating a new route
R Off map or
Off road :t
he vehicle position
is outside the area of the digital map (off-
map position).
R No route :n
o route could be calculated to
the selected destination. Audio menu
Selecting aradio station :
Waveband
; Channel frequency with memory position
i Station ;is displayed with the station
frequency or station name. The memory
position is only displayed along with sta-
tion ;if this has bee nstored.
X Switch on the audio syste morCOMAND
Online and select Radio, see the separate
operating instructions.
X Press the =or; button on the steer-
ing wheel to select the Audio menu.
X To select astore dchannel: briefly press
the 9 or: button. Menus and submenus
217On-board computer and displays Z