MERCEDES-BENZ G-CLASS SUV 2016 Repair Manual

The key centrally locks/unlocks:
R the doors
R the rear door
R the fuel filler flap
X To unlock centrally: press the%button.
If you do not open the vehicle within approx-
imately 40 seconds of unlocking:
R the vehicle locks again
R protection against theft is reactivated
X To lock centrally: press the&button.
i If the
& button is pressed when the driv-
er's door is open, the rear side door on the
driver's side is not locked either.
During unlocking, the turn signals flash once.
During locking, they flash three times.
You can also set an audibl esignal to confirm
that the vehicle has been locked. The audible
signal can be activated or deactivated using the
on-board computer (Y page 139).
Only when all the components have been locked is the visual or audibl elockingc onfirmation
issued.
When the surround lighting is activated via the
on-board computer, it lights up when it is dark
after the vehicle is unlocked with the key
(Y page 138). Changing the settings of the locking
system
You can change the settings of the lockin gsys-
tem. This mean sthato nlyt he driver' sdoor and
th ef uel fille rflap are unlocked when th evehicle
is unlocked. This is useful if you frequently travel
alone.
X To change th esetting: pressand hold down
the % and& buttons simultaneously
for about six seconds until th ebattery indica-
to rlamp flashes twice (Y page 59).
If th esettin goft helockin gsystem is changed
within th esignal range of th evehicle ,pressing
the & or% button:
R locks or
R unlock sthe vehicle The key now func
tions as follows:
X To unlock the driver's door and fuel filler
flap:
press the %button once.
X To unlock centrally: press the%button
twice.
X To lock centrally: press the&button.
X To restor ethe factory settings: press and
hold down the %and& button ssimul-
taneously for approximately six seconds until the battery check lamp flashes twice
(Y page 59). Emergency key element
Genera lnotes If the vehicl
ecan 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 willbet riggered. Switch off the alarm
(Y page 56).
If you unlock the vehicle using the emergency
key element, the fuel fillerf lap willnot be
unlocked automatically.
X To unlockt he fuel fillerf lap:insert the key
into the ignition lock.
Removing the emergency key element X
Push releasec atch:in the direction of the
arrow and, at the same time, remove emer-
gency key element ;from the key.
Further information on locking/unlocking the
driver's door (Y page 62).58
KeyOpening and closing

Inserting th
eemergency key element X
Push emergenc ykey element ;completely
into the key until it engages and release
catch :is back in its basic position. Key battery
Important safety notes G
WARNING
Batterie scontain toxic and corrosive substan-
ces. If batterie sare swallowed,itc an result in
severe health problems. There is arisk of fatal
injury.
Keep batterie sout of the reach of children. If
ab attery is swallowed,s eek 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 environmentall yresponsible
recycling system. Dispose of batteries in an
environmentall
yresponsible
manner. Take discharged
batteries to aquali fied spe-
cialist workshop or to acol-
lectio npoint for used batter-
ies.
Mercedes-Benz recommends tha tyou have the
batteries replaced at aquali fied specialis twork-
shop. Checkin
gthe battery X
Pres sthe & or% button.
The battery is working properly if battery
check lamp :lights up briefly.
The battery is discharged if battery check
lamp :does not light up briefly.
X Replace the battery (Y page 59).
If the key battery is checked within the signal
reception range of the vehicle, pressing the
& or% button:
R locks or
R unlocks the vehicle
i You can obtain
abattery from any qualified
specialist workshop.
Replacing the battery You require
aCR20253Vb utton cell battery.
X Take the emergenc ykey elemen tout of the
key (Y page 58). X
Press emergen cykey element ;into the
opening in the key in the direction of the arrow
until battery compartment cover :opens.
When doing so, do not hold battery compart-
ment cover :shut.
X Remove battery compartment cover :. Key
59Opening and closing Z

X
Repeatedly tap th ekeyagainst your palm until
battery =falls out.
X Inser tthe newb attery wit hthe positive ter-
minal facing upwards. Use alint-free cloth to
do so.
X Mak esuret hatthe surfac eofthebattery is
free of lint, grease and other contamination. X
Insert th efront tabs of battery compartment
cover :into the housing and then press to
close it.
X Insert emergency key element ;into the key
(Y page 59).
X Check the function of all key buttons on the
vehicle. Problem
swith the key Problem
Possible causes/consequences and
M MSolutions You can no longer lock or
unlock the vehicle using
the key. The key battery is weak or discharged.
X Check the key battery (Y page 59) and replace if necessary
(Y page 59).
If this does not work: X Lock or unlock the vehicle using the emergency key element
(Y page 62). There is interferenc
efrom apowerful source of radio waves.
X Lock or unlock the vehicle using the emergenc ykey element
(Y page 62). The key is faulty.
X Lock or unlock the vehicle using the emergenc ykey element
(Y page 62).
X Have the key checked at aqualified specialist workshop. The engine cannot be
started using the key. The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary (Y page 226).
or X Jump-start the vehicle (Y page 227).
or X Consult aqualified specialist workshop. 60
KeyOpening and closing

Problem
Possible causes/consequences and
M
MSolutions You have lost
akey. X
Have th ekey deactivated at aqualifie dspecialist workshop.
X Report the los simmediately to the vehicle insurers.
X If necessary ,havet he locks changed as well. Yo
uh ave lost the emer-
genc ykey element. X
Report the loss immediately to the vehicl einsurers.
X If necessary, hav ethe locks changed as well. Doors
Important safety notes
G
WARNING
If children ar eleft unsupervised in the vehicle,
they can:
R open doors and endange rother persons or
road users
R climb out and be injured by the traffic
R operate vehicl eequipment and, for exam-
ple,t rap themselves.
Childre ncoulda lsos et the vehicl einmotion,
for exampl eby:
R releasing the parking brake
R shifting the automatic transmission out of
park position P
R starting the engine.
There is arisk of an accident and injury.
When leaving the vehicle, alwayst ake the key
with you and lock the vehicle. Never leave
children unattended in the vehicle. Always
keep the key out of reach of children.
Unite dKingdom only: G
WARNING
When the double locks are activated, the
doors can no longer be opened from the
inside. People in the vehicl ecan 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, particularl ychildren, eld-
erly people or people in need of special assis-
tance. Do not activate the double lock when
people are in the vehicle. If the vehicle has been locked from the outside,
the double lock function is activated as stand-
ard. It is then not possible to open the doors
from inside the vehicle .You can deactivate the
double lock function by deactivating the interior
motion sensor (see Digital Owner's Manual).
The doors can then be opened from the inside
after the vehicle has been locked from the out-
side. The anti-theft alarm system is triggered if
the door is opened from the inside. Switch off
the alarm (Y page 56). Unlockinga
nd opening the doors
from the inside
You can open adoor from inside the vehicle
even if it has been locked. You can only open the rear doors from inside the vehicle if they are not secured by the child-proof lock s(Ypage 51). If
the vehicle has previously been locked with the
key, openin gadoor from the inside will trigger
the anti-theft alarm system .Switc hoff the alarm
(Y page 56). :
To unlock
; To lock
= Door handle
X Slide latch :upwards.
The door is unlocked and can be opened.
X Pull door handle =and open the door. Doors
61Openingand closing Z

Centrally lockin
gand unlocking the
vehicle from th einside
You can centrally loc korunlock th evehicle from
th ei nside.
The butto nfor th ecentral lockin gdoes no tlock
or unlock th efuel fille rflap.
The switch for th ecentral lockin gisonthelower
sectio nofthecentr econsole. X
To unlock: press button :.
X To lock: press button ;.
United Kingdom only: if thevehicl ehasbeen
locked with the key ,the double lock functio nis
activate dasstandard. It is then not possibl eto
open the doors from insid ethe vehicle. Yo ucan
deactivate the double lock functio nbydeacti-
vating the interio rmotion sensor (se eDigital
Owner' sManual) .Opening/closing doors is
then possibl easfollows :the doors can be
opene dfrom inside. Yo ucan onl yopent he rear
side doors from insid ethe vehicl eifthey are not
secured by the child-proof locks (Y page 51).
i It is onl
ypossibl etol ockt he vehicl ecen-
trally if the driver's door is closed.
i The doors unlock automaticall
yinthe event
of an accident if the force of the impact
exceed sapredetermined level. Automatic locking feature
X
To deactivate: press and holdbutton :for
approximatel yfives econds unti latone
sounds.
X To activate: press and hol dbutton ;for
approximatel yfives econds unti latone
sounds.
If yo upress one of the two buttons and do not
hea rat one, the relevant setting ha salready
been selected.
The vehicl eislocked automaticall ywhent he
ignition is switched on and the wheels are turn-
ing.
Therefore, yo ucould be locked ou tif:
R the vehicl eisbeing pushed
R the vehicl eisbeing towed
R the vehicl eisbeing teste donadynamometer
Yo uc an also activate and deactivate the auto-
matic locking functio nusing the on-board com-
puter (Y page 139). Locking/unlocking the driver's door
with the emergenc
ykey 62
DoorsOpening and closing

X
Insert the emergency key element into the
lock of the driver's door as far as it willg o.
X To unlock: turn the emergency key element
anti-clockwise as far as it willgotop osition
1.
X To lock: turn the emergency key element
clockwise as far as it willgotop osition2.
Right-hand-drive vehicle: turn the emergency
key element in the opposite direction in both
cases.
If you use the emergency key element to unlock
and open the driver's door, the anti-theft alarm
system willbet riggered. Switch off the alarm
(Y page 56). Rear door
Im
portant safety notes G
WARNING
Combustion engine semit poisonous exhaust
gase ssuch as carbon monoxide .Ifthe rear
door is open when the engine is running, par- ticularly if the vehicl eismoving, exhaust
fumes coul denter the passenger compart-
ment. There is arisk of poisoning.
Turn off the engine before opening the rear
door. Never drive with the rear door open. G
WARNING
If objects, luggage or loads are not secure dor
not secure dsufficiently ,they coul dslip,tip
over or be flung around and thereby hit vehicle
occupants. There is arisk of injury ,especially
when braking or abruptly changing directions.
Always store objects so that they cannot be
flung around. Secure objects, luggage or
loads against slipping or tipping before the
journey. G
WARNING
Do not leave children unsupervised in the
vehicle. They coul dopen the rear door from
insid ethe vehicl eand endange rthemselves
and others. !
The tailgat
eswings out to the side when
opened. Therefore, make sure that there is
sufficient clearance.
Do not leave the key in the luggage compart-
ment. You may otherwise be inadvertently
locked out.
Stow luggage or loads preferably in the luggage
compartment.O bserve the loading guidelines
(Y page 198). Opening from the outside
The rear door must be unlocked before it can be
opened.
X Press the %button on the key. X
Press release button :and pull door han-
dle ;.
X Open the rear door. Opening from the inside
:
To unlock
; To lock
= Door handle Rea
rdoor
63Openinga nd closing Z

X
Slide latch :upwards.
The doo risunlocked.
X Pull doo rhandle =.
i If the child-proof locks are used to secure
the rea rdoor, yo ucanno topenitf rom inside
the vehicle, eve nwhenith asbee nunlocked
(Y page 51). Closin
gfromt heoutside
X Push th erear door closed from outside the
vehicle.
X Loc kthe vehicle wit hthe & buttonont he
key. Closing from insid
ethe vehicle :
To unlock
; To lock
= Door handle
X Secure the rear door with the child-proof
lock sifn ecessary (Y page 51).
X Pull the rear door closed using the handle
underneath the rear window.
X Push the latch downwards ;.
The rear door is locked. Side windows
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle, they can:
R open doors and endanger other persons or
road users
R climb out and be injured by the traffic
R operate vehicle equipment and, for exam-
ple, trap themselves.
Children could also set the vehicle in motion, for examp leby:
R releasing the parking brake
R shifting the automatic transmission out of
park position P
R starting the engine.
There is arisk of an accident and injury.
When leaving the vehicle, alwayst ake the key
with you and lock the vehicle. Never leave
children unattended in the vehicle. Always
keep the key out of reach of children. Opening and closing the side win-
dows
The side windows can be opened and closed by hand. Example: driver's side
X To open: turn windo wcrank :clockwise.
X To close: turnw indo wc rank :anti-clock-
wise. 64
Side windowsOpeninga
nd closing

i
On the front-passenger side, the window
crank must be turned in the opposite direc-
tion. Sliding sunroof
Important safety notes
G
WARNING
While opening and closing the sliding sunroof, body parts in close proximity could become
trapped. There is arisk of injury.
Make sure that no body parts are in close
proximity during the opening and closing pro- cedures.
If somebody become strapped:
R release the switch immediately, or
R during automatic operation, press the
switch briefly in any direction
The opening or closing procedure willbes top-
ped. G
WARNING
If children operate the sliding sunroof they
coul dbecome trapped, particularl yifthey are
left unsupervised. There is arisk of injury.
When leaving the vehicle, alwayst ake 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, malfunc-
tions may occur.
Do not allow anything to protrud efrom the
sliding sunroof. Otherwise, the seal scouldbe
damaged.
Resonance noises can occur in addition to the
usual airflow noises when the sliding sunroof is
open. They are caused by minor pressure fluc-
tuations in the vehicl einterior. Change the posi-
tion of the sliding sunroof or open aside window
slightly to reduce or eliminate these noises. Opening and closing the sliding sun-
roof
:
To raise
; To open
= To close/lower
X Turn the key to position 1or2 in the igni-
tion lock.
X Press or pull the ¡switchinthe corre-
sponding direction.
X To open automatically: press the
¡ switch beyond the point of resistanc ein
the direction of arrow ;.
The sliding sunroof opens completely.
X To interrupt automatic operation: press or
pull the ¡switch again.
Automatic operation is only availabl ewhen
opening.
i The sliding sunroof cannot be raised when a
roof rack is fitted. Operating the sliding sunroof man-
ually
The actuator motor for the sliding sunroof is
located on the left-hand side of the luggage
compartment,b ehind the rear panel trim. Sliding sunroof
65Opening and closing Z

Removin
gthe rear panel trim
X Open th erear door.
X Remove edge protection :on th edoor pillar
in th edirection of arrow ;.
X Pull bac krear panel trim =in th edirection of
arrow ?until th eelectrical connection can
be reached.
X Disconnect th eelectrical connection.
X Completely remove rear panel trim =.Opening/closing the slidin
gsunroof manually
X Remove wheel wrench Afrom the vehicle
tool kit (Y page 223).
X Place wheel wrench Aonto the hexagon nut
of the actuator motor. X
To open: turnw heel wrench Aanti-clock-
wise.
X To close: turn wheelwrench Aclockwise. Fitting the rea
rpanel trim
X Connect the electrica lconnection.
X Insert rea rpanel trim =.
Hook tabs Cof rea rpanel trim =into vehi-
cle sid ewallB.
X Insert edg eprotection :.
X Close the rea rdoor. Problems wit
hthe sliding sunroof G
WARNING
You could be severely or even fatally injured when closing the sliding sunroof with increased
closing force or if the anti-entrapment feature is deactivated .Make sure that nobody can become
trappe dwhen closing the sliding sunroof. Problem
Possible causes/consequences and
M
MSolutions The sliding sunroof can-
not be close
dand you
cannot see the cause. If the sliding sunroo
fisobstructed during closing and reopens again
slightly:
X Immediately after it blocks, pullt he¡ switch down again to the
point of resistance until the sliding sunroof is closed.
If the sliding sunroof is obstructed again during closing and reopens
again slightly: X Immediately after it blocks, pullt he¡ switch down again to the
point of resistance until the sliding sunroof is closed. If the sliding sunroof wills
till not open or close due to amalfunction, consult aqualifieds pecialist
workshop. 66
Sliding sunroofOpening and closing

Correct driver's seat position
:
Steerin gwheel
; Seatbelts
= Backrest
X Observe the safety guideline sonseata djust-
ment (Y page 67).
X Make sure that seat =is correctly adjusted.
Adjusting the seats (Y page 69)
Whe nadjusting the seat, make sure that:
R youa re as far away from the driver' sairba gas
possible
R youa re sitting in anorma lupright position
R youc an fasten the sea tbeltp roperly
R youh avem ovedthe backrest to an almost
vertical position
R youc an depress the pedal sproperly
X Check whethe rthe hea drestraint is adjusted
correctly (Y page 69).
Whe ndoing so, ensure that yo uhavea djusted
the hea drestraint so that the back of your
hea diss upported at ey elev el by the centre of
the hea drestraint.
X Observe the safety guideline sonsteering
wheel adjustment (Y page 67).
X Make sure that steering wheel :is adjusted
correctly.
Adjusting the steering wheel electrically
(Y page 72). Whe
nadjustin gthe steerin gwheel, make sure
that:
R you can hold the steerin gwheel with your
arms slightly bent
R you can move your legs freely
R you can see all the displays in the instrument
cluster clearly
X Observe the safety guidelines for seat belts
(Y page 32).
X Check whether you have fastened seat
belt ;properly (Y page 34).
The seat belt should:
R fit snugly across your body
R be routed across the middle of your shoulder
R be routed across your hips in the pelvic area
X Befor estarting off, adjust the rear-view mirror
and the exterior mirrors so that you have a
good view of road and traffic conditions
(Y page 73). Seats
Important safety notes
G
WARNING
If children adjust the seats, they could
become trapped, especially if they are unat-
tended. Ther eisarisk of injury.
When leaving the vehicle, alwayst ake the key
with you and lock the vehicle. Never leave
children unattended in the vehicle.
The seats can be adjusted when there is no key
in the ignitio nlock. G
WARNING
When adjusting aseat, you or another vehicle
occupant coul dbecome trappe dbythe guide
rail of the seat, for instance. There is arisk of
injury.
Make sure that no one has any part of their
body withi nthe swee pofthe seat when
adjusting it.
Observe the safety notes on "Airbags"
(Y page3 6) and "Children in the vehicle"
(Y page3 8). Seats
67Seats,steering wheela nd mirrors Z