2012 MERCEDES-BENZ G-Class ignition

X
Take mechanical key ; out of the
SmartKey (Y page 61).
X Insert mechanical key ; into the lock of
the driver's door as far as it will go.
X Turn mechanical key ; clockwise
as far as
it will go to position 1.
X Turn the mechanical key back and remove
it.
X Make sure that the doors and the tailgate
are locked.
i If you

lock the vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not armed. Cargo compartment
Important safety notes
Do not leave the SmartKey in the cargo
compartment. Otherwise, you could lock
yourself out. G
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system,

and do not give them access
to an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and a child could be burned on these
parts. G
WARNING
Do not carry heavy or hard objects in the
passenger compartment or cargo
compartment unless they are firmly secured
in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident Cargo compartment
67
Opening/closing Z

The switches for all side windows are located
on
the
driver's door. There is also a switch on
each door for the corresponding side window.
i The side windows cannot be operated
from the rear when the override feature for
the side windows is activated.
X Turn the SmartKey to position 1 or 2
in the
ignition lock.
X To open: press the corresponding switch.
X To close: pull the corresponding switch.
i If you press the switch beyond the point
of resistance while opening, an automatic
opening/closing process is started. You
can stop

automatic operation by operating
the switch again. Convenience opening feature
You can

ventilate the vehicle before you start
driving. To do this, you can use the SmartKey
to simultaneously:
R unlock the vehicle
R open the side windows
R open the sliding sunroof
i The convenience opening feature can
only be operated using the SmartKey. The
SmartKey must be close to the driver's
door handle.
X Point the tip of the SmartKey at the driver's
door handle.
X Press and hold the % button until the
side windows

and the sliding sunroof are in
the desired position. Convenience closing
When you lock the vehicle, you can
simultaneously:
R close the side windows
R close the sliding sunroof G
WARNING
When closing the windows and the tilt/sliding
sunroof, make sure there is no danger of
anyone being harmed by the closing
procedure.
If potential

danger exists, proceed as follows:
R Release button & to stop the closing
procedure. To open, press and hold button
%. To continue the closing procedure
after making sure that there is no danger of
anyone being harmed by the closing
procedure, press and hold button &.
i The SmartKey must be close to the
driver's door handle.
X Point the tip of the SmartKey at the driver's
door handle.
X Press and hold the & button until the
side windows and the sliding sunroof are
fully closed.
X Make sure that all the side windows and the
sliding sunroof are closed.
X To interrupt convenience closing:
release the & button. Problems with the side windows
Problem: a

side window cannot be closed
because objects are trapped between the
side window and the door frame.
X Remove the objects.
X Close the side window.
Problem: a side window cannot be closed
because objects in the guide rail are
preventing the

window from being raised.
X Remove the objects.
X Close the side window. Side windows
69
Opening/closing Z

Sliding sunroof
Important safety notes
G
WARNING
Children could injure themselves if they
operate the sliding sunroof.
Do not leave children unsupervised in the
vehicle. Always take the SmartKey with you
when leaving
the vehicle, even if you are only
leaving it for a short time. G
WARNING
When closing the sliding sunroof, make sure
that there is no danger of anyone being
harmed by the closing procedure.
The opening procedure of the sliding sunroof
can be immediately halted by releasing the
sunroof switch or, if the sunroof switch was
moved past

the resistance point and released,
by moving the sunroof switch in any direction.
The closing procedure of the sliding sunroof
can be immediately halted by releasing the
sliding sunroof switch. The closing procedure
of the sliding sunroof can be immediately
reversed by moving the sliding sunroof switch
toward : or ?.
If you are not wearing a seat belt, or are not
wearing it correctly, there is a risk that you
could be thrown through the opening in the
event of the vehicle overturning. An opening
of this kind poses a risk of injury even to
passengers who are wearing their seat belts
correctly, as parts of the body could protrude
from the vehicle interior.
! Only open the sliding sunroof if it is free
of snow and ice. Otherwise, malfunctions
may occur.
Do not allow anything to protrude from the
sliding sunroof. Otherwise, the seals could
be damaged.
! If the sliding sunroof still cannot be
opened or closed as a result of a
malfunction, contact a qualified specialist
workshop. !
The weather

can change abruptly. It could
start to rain or snow. Make sure that the
sliding sunroof is closed when you leave the
vehicle. The vehicle electronics can be
damaged if water enters the vehicle
interior.
i Resonance noises can occur in addition
to the usual airflow noises when the sliding
sunroof is open. They are caused by minor
pressure fluctuations in the vehicle interior.
Change the position of the sliding sunroof
or open a side window slightly to reduce or
eliminate these noises. Opening and closing the sliding
sunroof
Overhead control panel
:
To raise
; To lower
= To close
? To open
X Turn
the SmartKey to position
1 or
2
in the
ignition lock.
X Press or pull the 2 switch in the
corresponding direction.
i If you press the 2 switch beyond the
point of resistance while opening, an
automatic opening process is started. You
can stop

automatic operation by operating
the switch again. 70
Sliding sunroof
Opening/closing

Do not drive the vehicle without the seat head
restraints. Head restraints are intended to
help reduce injuries during an accident.
! To avoid

damage to the seats and the seat
heating, observe the following information:
R do not spill any liquids on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat
heating should also not to be used to dry
the seats.
R clean the seat covers as recommended;
see the "Interior care" section.
R do not transport heavy loads on the
seats. Do not place sharp objects on the
seat cushions, e.g. knives, nails or tools.
The seats should only be occupied by
passengers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating
materials, e.g. blankets, coats, bags,
seat covers, child seats or booster seats.
! Make sure that there are no objects in the
footwell or behind the seats when resetting
the seats. There is a risk that the seats
and/or the objects could be damaged.
! When the rear bench seat is folded
forwards, the front seats cannot be moved
to their rearmost position. You could
otherwise damage the seats and the rear
bench seat.
! Make sure that the sun visor is folded up
before adjusting the backrest and head
restraint height. The head restraint and sun
visor could otherwise collide when the head
restraint is fully extended.
i If the front door is open, the seats can be
adjusted for up 30 minutes after the
ignition has been switched off.
i The head restraints in the front and rear
seats can be removed ( Y page 78). Please contact an authorized Mercedes-
Benz Center for more information.
i You can find further information about
enlarging the cargo compartment (folding
the rear bench seat forwards) on
(Y page 190). Adjusting the seats electrically
General notes The buttons are located on the door control
panel.
:
Head restraint height
; Backrest angle
= Seat fore-and-aft adjustment
? Seat cushion angle
A Seat height
X Turn
the SmartKey to position
1 or
2
in the
ignition lock.
Seat fore-and-aft adjustment !
Before moving the front passenger seat
forward, make sure that the cup holder on
the center

console is folded down and that
the cup holder on the armrest has been
removed. Otherwise, the front passenger
seat or the cup holders may be damaged.
X Slide the button forwards or back in the
direction of arrow =.76
Seats
Seats, steering wheel and mirrors

i
The notches
on the guide rod must be on
the left-hand side when viewed in the
direction of travel.
X Push the head restraint down until you hear
it engage in position.
Adjusting the luxury head restraints G
WARNING
When folding back the head restraint side
bolsters, do not put your hands between the
side bolster and the cushion holder. There is
a danger of becoming trapped. X
To adjust the side bolsters of the head
restraint: push or pull right and/or left-
hand side bolster : into the desired
position.
X To adjust the angle of the head
restraint: push

or pull the head restraint in
the direction of arrow ;. Adjusting the multicontour seat
You can

adjust the contour of the front seats
individually so as to provide optimum support
for your back and sides.
X Make sure that the SmartKey is in
position 1 in the ignition lock. :
To adjust the thigh cushion
; To adjust the backrest contour in the
lumbar region
= To adjust the backrest contour in the
upper back region
? To adjust the side bolsters of the seat
backrest Adjusting the four-way lumbar
support
You can adjust the contour of the front seat
backrests individually to provide optimum
support for your back. :
To raise the backrest contour
; To soften the backrest contour
= To lower the backrest contour
? To harden the backrest contour Seats
79
Seats, steering wheel and mirrors Z

Switching the seat heating on/off
General notes The red indicator lamps in the button indicate
the heating level you have selected.
i If the battery voltage is too low, the seat
heating may switch off.
One or more of the indicator lamps in the
seat heating button are flashing.
X Make sure that the SmartKey is in position
2 in the ignition lock.
Front-seat heating i
The system automatically switches down
from level 3 to level 2 after approximately
five minutes.
The system automatically switches down
from level 2 to level 1 after approximately
ten minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X To switch on: press button : repeatedly
until the desired heating level is set.
X To switch off: press button : repeatedly
until all the indicator lamps go out. Rear-seat heating
:
Level 1 (normal heating)
; Level 2 (rapid heating)
i The system automatically switches down
from level 2 (rapid heating) to level 1
(normal heating) after approximately five
minutes.
The system automatically switches off
approximately 30 minutes after it is set to
level 1.
X To select level 1: press the upper section
of button :.
An indicator lamp lights up.
X To deactivate level 1: press the upper
section of button :.
The indicator lamp goes out.
X To select level 2: press the lower section
of button ;.
Both indicator lamps light up.
X To deactivate level 2: press the lower
section of button ;.
Both indicator lamps go out. 80
Seats
Seats, steering wheel and mirrors

Problems with the seat heating
If one or all of the indicator lamps in the seat
heating button are flashing, the seat heating
has switched off automatically. The vehicle's
electrical system voltage is too low because
too many electrical consumers are switched
on.
X
Switch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting.
Once the
battery is sufficiently charged, the
seat heating will switch back on
automatically. Switching the seat ventilation on/off
Switching on/off Seat ventilation is only available for the front
seats.
The
three

blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
i If the battery voltage is too low, the seat
ventilation may switch off. X
Make sure that the SmartKey is in position
2 in the ignition lock.
X To switch on: press button : repeatedly
until the desired ventilation level is set.
i If you open the side windows and the
sliding sunroof using the SmartKey
(Y page 69), the driver's seat ventilation
automatically switches

to the highest level.X
To switch off: press button : repeatedly
until all the indicator lamps go out.
Problems with the seat ventilation If one or all of the indicator lamps in the seat
ventilation button are flashing, the seat
ventilation has switched off automatically.
The vehicle's electrical system voltage is too
low because too many electrical consumers
are switched on.
X
Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
Once the

battery is sufficiently charged, the
seat ventilation will switch back on
automatically. Steering wheel
Important safety notes
You can

adjust the steering wheel electrically. G
WARNING
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving
could cause the driver to lose control of the
vehicle.
The electrical steering wheel adjustment
feature can be operated at any time.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. A child's unsupervised access to a
vehicle could result in an accident and/or
serious personal injury.
When you adjust the steering wheel, make
sure that:
R the steering wheel can be reached with
your arms slightly bent.
R you can move your legs freely.
R you can see all the displays in the
instrument cluster clearly. Steering wheel
81
Seats, steering wheel and mirrors Z

Adjusting the steering wheel
:
To adjust the steering wheel position
(fore-and-aft adjustment)
; To adjust the steering wheel height
X Make sure that the SmartKey is in position
1 or 2 in the ignition lock.
i If the driver's door is open, the steering
wheel can

be adjusted for up to 30 minutes
after the ignition has been switched off.
X Press the lever in the direction of
arrow : or ; until the steering wheel is
in the desired position.
You can find more information under:
R EASY-ENTRY/EXIT feature (

Y page 83)
R Storing settings ( Y page 85)Steering wheel heating
Switching on/off The steering-wheel heating heats the leather
areas of the steering wheel. :
To switch on the steering-wheel heating
; Indicator lamp
= To switch off the steering-wheel heating
X To switch on/off: make sure that the
SmartKey is

in position 1 or 2 in the ignition
lock.
X Turn the lever in the direction of arrow :
or =.
Indicator lamp ; lights up or goes out.
i The steering wheel heating does not
switch off automatically.
i The steering

wheel heating may switch off
temporarily if:
R the temperature of the vehicle interior is
above 86 ‡ (30 †).
R the temperature of the steering wheel is
above 95 ‡ (35 †).
Indicator lamp ; remains on.
i The steering wheel heating is deactivated
if you remove the SmartKey from the
ignition lock. 82
Steering wheel
Seats, steering wheel and mirrors