ignition MERCEDES-BENZ G-CLASS SUV 2012 User Guide

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). Key
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shift the automatic transmission out of
parking position P.
R shift the manual transmission into neutral.
R start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the key
with you and lock the vehicle. Never leave
children or animals unattended in the vehicle.
Always keep the key out of reach of children. G
WARNING
Do not transport any heavy or hard objects in
the vehicle interior or in the load compart-
ment if these are not properly secured. Loads which are not secured or not stored
properly increase the risk of children being
injured in the following circumstances:
R strong braking manoeuvres
R sudden changes of direction
R in the event of an accident G
WARNING
If you attach heavy or large objects to the key,
the key could be unintentionally turned in the
ignition lock .This could cause the engine to
be switched off. There is a risk of an accident.
Do not attach any heavy or large objects to
the key. Remove any bulky keyrings before
inserting the key into the ignition lock. Key functions
G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shift the automatic transmission out of
parking position P.
R shift the manual transmission into neutral.
R start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the key
with you and lock the vehicle. Never leave
children or animals unattended in the vehicle.
Always keep the key out of reach of children. G
WARNING
If you attach heavy or large objects to the key,
the key could be unintentionally turned in the
ignition lock. This could cause the engine to
be switched off. There is a risk of an accident. 68
KeyOpening and closing

Do not attach any heavy or large objects to
the key .Remove any bulky keyrings before
inserting the key into the ignition lock. G
WARNING
When the double locks are activated, the
doors can no longer be opened from the
inside. People in the vehicle can no longer get
out, e.g. in hazardous situations. There is a
risk of injury.
Therefore, do not leave any people unsuper-
vised in the vehicle, particularly children, eld-
erly people or people in need of special assis-
tance. Do not activate the double lock when
people are in the vehicle.
Deactivating the double lock
i If the vehicle has been locked with the
key, the double lock function is activated
as standard. It is then not possible to open
the doors from inside the vehicle.
X Deactivate the interior motion sensor
(Y page 65).
X Lock the vehicle with the key.
The double lock is deactivated and the
doors can be opened from the inside. :
& To lock the vehicle
; % To unlock the vehicle
X To unlock centrally: press the%but-
ton. If you do not open the vehicle within
approximately 40 seconds of unlocking:
R
the vehicle is locked again.
R the anti-theft system is primed again.
X To lock centrally: press the&button.
The key centrally locks/unlocks:
R the doors
R the rear door
R the fuel filler flap
i When unlocking, the turn signals flash
once. When locking, they flash three times.
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer (Y page 223).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 222). Changing the settings of the locking
system
You can change the setting of the locking
system in such a way that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
i
If the setting of the locking system is
changed within the signal range of the vehi-
cle, pressing the &or% button locks
or unlocks the vehicle.
X To change the setting: press and hold
down the %and& buttons simulta- Key
69Opening and closing Z

neously for approximately si
xseconds until
battery chec klamp :flashes twice.
The key now functions as follows:
X To unlock the driver's door and fuel
filler flap: press the%button once.
X To unlock centrally: press the%but-
ton twice.
X To lock centrally: press the&button. Restoring factor
ysettings X
Press the %and& buttons simulta-
neously for approximately six seconds until
battery check lamp :flashes twice. Emergency key element
General notes If the vehicle can no longer be unlocked with
the key, use the emergency key element.
If you use the emergency key element to
unlock and open the driver's door, the anti-
theft alarm system will be triggered
(Y page 64).
There are several ways to tur noff the alarm:
X Press the %or& button on the key.
or
X Insert the key into the ignition lock.
If you unlock the vehicle using the emergency
key element, the fuel filler flap will not be
unlocked automatically. X
To unlock the fuel filler flap: insert the
key into the ignition lock.
Removing the emergency key element :
Release catch
; Emergency key element
X Push release catch :in the direction of
the arrow and at the same time, remove
emergency key element ;from the key. Battery of the key
Important safety notes G
WARNING
Batteries contain toxic and corrosive substan-
ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatal
injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately. H
Environmental note Batteries contain pollutants.
It is illegal to dispose of them
with the household rubbish.
They must be collected sep-
arately and disposed of in an
environmentally responsible
recycling system.
Dispose of batteries in an
environmentally responsible
manner. Take discharged70
KeyOpening and closing

Problems with the key
Problem Possible causes/consequences and
M Solutions
You cannot lock or
unlock the vehicle
using the key. The key battery is discharged or nearly discharged.
X
Point the tip of the key at the driver's door handle from a dis-
tance of approximately 50 cm and try to unlock or lock the
vehicle again.
If this does not work:
X Check the key battery (Y page 71) and replace it if necessary
(Y page 71).
X Lock (Y page 74) or unlock (Y page 75) the vehicle using
the emergency key element. The key is faulty.
X
Lock or unlock the vehicle using the emergency key element
(Y page 74).
X Have the key checked at a qualified specialist workshop. You have lost a key. X
Have the key deactivated at a qualified specialist workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks replaced as well. You have lost the emer-
gency key element. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks replaced as well. Problem Possible causes/consequences and
M Solutions
The engine cannot be
started using the key. The key has been in position
0(Ypage 143) for a considerable
time.
X Remove the key and reinsert it into the ignition lock.
X Start the engine. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to turn the key again.
If this does not work:
X Check the battery and charge it if necessary (Y page 311).
or
X Jump-start the vehicle (Y page 313).
or
X Consult a qualified specialist workshop. 72
KeyOpening and closing

The central locking button does not lock or
unlock the fuel filler flap.
X
To unlock: press button :.
X To lock: press button ;.
i You cannot unlock the vehicle centrally
from the inside if the vehicle has been
locked from the outside using the key.
i It is only possible to lock the vehicle cen-
trally if all doors are closed. Automatic locking feature
:
To switch off
; To activate
X To deactivate: press and hold button :
for about five seconds until a tone sounds.
X To activate: press and hold button ;for
about five seconds until a tone sounds.
i If you press one of the two buttons and
do not hear a tone, the relevant setting has
already been selected. The vehicle is locked automatically when the
ignition is switched on and the wheels are
turning.
You could therefore be locked out if:
R
the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is being tested on a dynamom-
eter.
You can also switch the automatic locking
function on and off using the on-board com-
puter (Y page 223). Unlocking the driver's door (emer-
gency key element)
If the vehicle can no longer be centrally
unlocked with the key, use the emergency
key element.
If you use the emergenc ykey element to
unlock and open the driver's door, the anti-
thef talarm system will be triggered
(Y page 64).
Take the emergency key elemen tout of the
key (Y page 70). X
Inser tthe emergency key element into the
lock of the driver's door as far as it will go.
X Turn the emergency key element anti-
clockwise to position 1.
The door is unlocked.
i On right-hand-drive vehicles, turn the
emergency key element clockwise. 74
DoorsOpening and closing

If a side window is obstructed again during
closing and reopens again slightly:
X Immediately after the window blocks, pull
the corresponding switch again until the
side window has closed.
i If a side window no longer opens or closes
due to a malfunction, contact a qualified
specialist workshop. Sliding sunroof
Important safety notes
G
WARNING
While opening and closing the sliding sunroof,
body parts in close proximity could become
trapped .There is a risk of injury.
Make sure that no body parts are in close
proximity during the opening and closing pro-
cedures.
If somebody becomes trapped:
R release the switch immediately, or
R during automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be stop-
ped. G
WARNING
If children operate the sliding sunroof they
could become trapped, particularly if they are
left unsupervised. There is a risk of injury.
When leaving the vehicle, always take the key
with you and lock the vehicle. Never leave
children unattended in the vehicle.
! Only open the panorama sliding sunroof
if it is free of snow and ice. Otherwise, mal-
functions may occur.
Do not allow anything to protrude from the
sliding sunroof. Otherwise, the seals could
be damaged.
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 sun-
roof
Overhead control panel
:
To raise
; To open
= To close/lower
X Turn the key to position 1or
2(Y page 143) in the ignition.
X Press or pull the ¡switch in the corre-
sponding direction.
X To open automatically: press the¡
switch briefly beyond the point of resist-
ance in the direction of arrow ;.
The sliding sunroof opens completely.
X To interrupt automatic operation: press
or pull the ¡switch again.
i The automatic operation is only available
for opening. Operating the sliding sunroof man-
ually
The actuator is located in the luggage com-
partment, on the left-hand side behind the
rear wall trim. Sliding sunroof
79Opening and closing Z

If the sliding sunroof is obstructed during
closing and reopens again slightly:
X Immediately after the sliding sunroof
blocks, pull the ¡switch in the over-
head control panel down to the point of
resistance and hold it until the sliding sun-
roof is closed.
If the sliding sunroof is obstructed again dur-
ing closing and reopens again slightly:
X Immediately after the sliding sunroof
blocks, pull the ¡switch in the over-
head control panel down to the point of
resistance and hold it until the sliding sun-
roof is closed. Soft top (G-Class Cabriolet)
Important safety notes
G
WARNING
If the closed soft top is not locked, it can open
while the vehicle is in motion. This could
cause you to lose control of the vehicle .There
is a risk of an accident.
Only drive with the soft top fully open or
closed.
! Never sit on the soft top or store heavy
objects on it. Otherwise, the soft top will be
damaged.
! The soft top swings upwards when it is
opened or closed. In order to avoid dam-
aging the soft top or other parts of the vehi-
cle when opening or closing the soft top,
observe the following:
R there must be sufficient clearance above
the vehicle.
R the tonneau cover must not be attached
to the opened soft top.
R the luggage compartmentc over must
not be pushed up by the load.
R there must not be any objects on the lug-
gage compartment cover.
R no roof rack must be fitted. R
the outside temperature must be over
−15 †.
R the fabric must not be dirty, wet or fro-
zen.
R the vehicle must not be parked at a steep
angle, e.g. off-road.
R zip fasteners and quick-release fasteners
must be closed.
The soft top can only be opened and closed if
the vehicle is stationary.
i Make sure the soft top is dry before open-
ing it. Water could otherwise enter the vehi-
cle interior or luggage compartment.
i Avoid repeatedly opening and closing the
soft top. This discharges the battery. Operating the soft top
Opening X
Move the selector lever to P.
X Apply the parking brake.
X Turn the key to position 2in the ignition
lock.
X Fold raised sun visors onto the windscreen. X
Swing release lever :to the left until a
warning tone sounds.
X Swing release lever ;to the right, a warn-
ing tone sounds.
The soft top is unlocked. Soft top (G-Class Cabriolet)
81Opening and closing Z

=
To close the soft top
? To open the soft top
X Pull the soft-top switch in the direction of
arrow ?until the soft top is fully open and
the warning tone stops.
X Swing release lever :and ;back to their
original positions.
The warning tone ceases.
Closing X
Move the selector lever to P.
X Apply the parking brake.
X Turn the key to position 2in the ignition
lock.
X Fold raised sun visors onto the windscreen. X
Swing release lever :to the left until a
warning tone sounds.
X Swing release lever ;to the right until a
warning tone sounds. =
To close the soft top
? To open the soft top
X Press the soft-top switch in the direction of
arrow =until the soft top stops above the
windscreen. X
Pull down the soft top using handle Auntil
at least one of the release levers engages
audibly.
X Swing this release lever back to its original
position first.
X Swing the second release lever back to its
original position.
The warning tone ceases. Closing the soft top manually
G
WARNING
Closing the roof manually is a complicated
and technically demanding procedure, which
requires a lot of strength. You or others can
become trapped. There is a risk of injury.
If possible, have the roof closed manually at
a qualified specialist workshop. 82
Soft top (G-Class Cabriolet)Opening and closing

G
WARNING
If anywhere other than the indicated gripping
points is gripped, you or others can become
trapped or stuck. There is a risk of injury.
Take off jewellery and watches. Only hold the
indicated gripping points. Do not reach
between the cover halves and into the hinges.
X Move the selector leve rtoP.
X Apply the parking brake.
X Remove the key from the ignition lock.
X Fold raised su nvisors down. X
Swing release lever :and ;down in the
direction of the arrow.
X Open the front-passenger door. X
Pull door seal =off slightly.
X Remove side trim panel ?on the right
side. X
Turn hexagonal nut Aanti-clockwise as far
as possible. X
Press catch Bon both sides of the vehicle
in the direction of the arrow and, at the
same time, raise the soft top.
X Fold the soft top completely to the front. X
Pull down the soft top using handle Cuntil
at least one of the release levers engages
audibly.
X Swing the engaged release lever up.
X Swing the second release lever up. Soft top (G-Class Cabriolet)
83Opening and closing Z

Problems with the soft top
Problem Possible causes/consequences and
M Solutions
The soft top cannot be
opened or closed. The soft top closing procedure has been interrupted.
X Wait approximately five seconds, then repeat the procedure. The fuse is faulty.
X
Check the fuse and replace it if necessary (Y page 318). The hydraulic pump is overheated.
X
Wait several minutes, then repeat the procedure. The control unit is malfunctioning because the closing procedure
was interrupted.
X
Turn the key to position 0and then back to 2(Ypage 143) in
the ignition lock.
X Close the soft top again.
If it still cannot be closed electrically:
X Close the soft top manually (Y page 82).
X Have the system checked at a qualified specialist workshop. Soft top (G-Class Cabriolet)
87Opening and closing Z