ignition MERCEDES-BENZ G-CLASS SUV 2016 Owner's Guide

Problems with the engine
Problem
Possible causes/consequences and
M
MSolutions The engine does not
start. The starter motor
can be heard. R
The engine electronics are malfunctioning.
R The fuel supply is malfunctioning.
X Turn the key back to position gin the ignition lock before attempt-
ing to start the engine again.
X Restart the engine (Y page 96). Avoid excessively long and frequent
attemptstos tart the engine, as this (Y page 96) will drain the bat-
tery.
If the engine does not start after several attempts:
X Consult aqualified specialist workshop. The engine does not
start
.The starter motor
can be heard. The yellow reserve fuel warning
lamp is lit and the needle
of the fuel gauge shows
0. The fuel tank is empty.
X Refuel the vehicle.
X Bleed the fuel system (Y page 110).The engine does not
start
.You cannot hear
the starter motor. The on-board voltage is too low because the battery is too weak or
discharged.
X Jump-start the vehicle (Y page 227).
If the engine does not start despite attempt stojump-start it:
X Consult aqualified specialist workshop. The starter motor was exposed to excessively high thermal load.
X Allow the starter motor to cool down for approximately two minutes.
X Try to start the engine again.
If the engine still does not start:
X Consult aqualified specialist workshop. The coolant temperature
display is showing more
than 120 †. Adisplay
message may also
appear in the multifunc-
tion display and awarn-
ing tonem ay sound. The coolant level is too low. The coolant is too hot and the engine is not
being cooled sufficiently.
X Stop as soon as possible and allow the engine and the coolant to
cool down.
X Check the coolant level (Y page 215). Observe the warning notes
as you do so and top up the coolant if necessary. If the coolan
tlevel is correct, the radiator fan may be faulty. The cool-
ant is too hot and the engine is not being cooled sufficiently.
X If the coolant temperature is below1 20 †, you can continue driving
to the nearest qualifieds pecialist workshop.
X Avoid heavy loadsont he engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic. 100
DrivingDriving and parking

Shifting to drive position D
X
Make sure that the vehicle is stationary.
X Depress the brake pedal and keep it
depressed.
X Push the selector lever back past the first
point of resistance.
The automatic transmission shifts into D.
If the vehicle is braked to astandstill in trans-
mission position D,the ECO start/stop function
switches off the engine automatically
(Y page 97). Transmission positions
B Park
This safeguards the vehicle against
rolling away when stopped.
Only shift the transmission into posi-
tion Pwhen the vehicle is stationary
(Y page 101). The parking lock
should not be used as abrake when
parking. Always apply the parking
brake in addition to the parking lock
in order to secure the vehicle.
The key can only be removed if the
transmission is in position P.When
there is no key in the ignition lock, the selector lever is locked in position P.C Rev
erse gear
Only shift the transmission into posi- tion Rwhe nthe vehicle is stationary. A
!
Coasting in neutral
imay
caus edamage to the drive train.
Neutral
Do not shift the transmission to N
while driving. Otherwise, the auto-
matic transmission could be dam-
aged.
No power is transmitted from the
engine to the drive wheels.
Releasing the brakes will allow you to
move the vehicle freely, e.g. to push
it or tow it.
If ESP ®
is deactivated or faulty and
the vehicle is in danger of skidding
e.g. on icy roads: shift the transmis-
sion to position N.
If you engage the transfer case, shift briefly into N(Ypage 124). 7 Drive
The automatic transmission changes
gea rautomatically. Al lforward gears
are available. Changing gear
The automatic transmission shifts throug hthe
individua lgear sautomaticall ywhen it is in trans-
mission position D.Gearshiftin gisdetermined
by:
R as hiftrange restriction ,ifselected
R thep ositio nofthetransfer cas e(HIGH
RANGE orLOW RANGE)
R thep ositio noftheaccelerato rpedal
R ther oad speed Drivin
gtips
Accelerator pedal position Your drivi
ngstyle influences how the automatic
transmission shift sgear:
R little throttle: early upshifts
R more throttle: late upshifts Automatic transmission
103Driving and parking Z

Problems with the automatic transmission
Problem
Possible causes/consequences and
M
MSolutions The transmission has
problems shifting gear. The transmission is losing oil.
X Have the transmission checked at aqualified specialist workshop
immediately. The acceleration ability
is deteriorating.
The transmission no lon-
ger shifts gear. The transmission is in emergenc
ymode.
It is possible to shift to secondgear and reverse gear only.
X Stop.
X Shift the transmission to position P.
X Turn the key to position gin the ignition lock.
X Wait at least ten seconds before restarting the engine.
X Shift the transmission to position Dor R.
If D is selected, the transmission shifts to secondgear; ifRis
selected, the transmission shifts to reverse gear.
X Have the transmission checked at aqualified specialist workshop
immediately. Aw
arning tone sounds. Yo
uh ave:
R switched off the engine
R opene dthe driver's door
R not shifted the selector lever to position P
X Shif tthe selector lever to position P.Refuelling
Important safety notes
G
WARNING
Fue lish ighly flammable.Ify ou handlefuel
incorrectly ,there is arisk of fire and explo-
sion.
You must avoi dfire, naked flames, creating
sparks and smoking. Switch off the engine
and, if applicable,t he auxiliary heating before
refuelling. G
WARNING
Fuel sare poisonous and hazardous to health.
There is adange rofinjury.
Do not swallowf uel or let it come into contact
with skin, eyesorc lothing. Do not inhal efuel
vapours. Keep fuel sout of the reach of chil-
dren. If you or others come into contact with fuel,
observe the following:
R Wash the fuel off any affected area sofskin
with water and soap immediately.
R If you get fuel in youre yes,rinse them thor-
oughlyw ith clean water immediately.S eek
immediate medica lattention.
R If fuel is swallowed, seek immediate medi-
cal attention. Do not induce vomiting.
R Change any clothing that has come into
contact with fuel immediately. G
WARNING
Electrostatic charge can cause sparks and
thereby ignite fuel vapours. There is arisk of
fire and explosion.
Always touch the vehicl ebody before opening
the fuel filler flap or touching the fuel pump 108
RefuellingDrivinga
nd parking

Fuel filler fla
pemergency release The emergenc
yrelease is located in the luggage
compartment,ont he right-hand side when
viewed in the direction of travel, behind the rear
wall trim.
X Open the rear door.
X Pull off edge protection ;.
X Remove rear wall trim :. X
Pull emergenc yrelease =in the direction of
the arrow.
The fuel filler flap is released.
X Open the fuel filler flap (Y page 109).Problems with the fuel and fuel tank
Problem
Possible causes/consequences and
M MSolutions Fuel is leaking fro
mthe
vehicle. G
WARNING
The fuel line or the fuel tank is faulty.
There is arisk of fire or explosion.
X Apply the parking brake.
X Turn the key to position g(Ypage9 6) immediatel yand remove it.
X Do not restart the engine under any circumstances.
X Consult aqualified specialist workshop. The engin
edoes not
start. The fuel tank of
avehicle with adiesel engine has been run completely
dry.
X Refuel the vehicle with at least 5litres of diesel.
X Switch on the ignition for approximately 10 seconds(Y page 96).
X Start the engine continuously for up to 40 seconds until it runs
smoothly.
If the engine does not start:
X Switch on the ignition for approximately 10 seconds(Y page 96).
X Start the engine continuously for up to 40 seconds until it runs
smoothly.
If the engine does not start after three attempts: X Consult aqualified specialist workshop. 110
RefuellingDriving and parking

to the fuel tank, thi
scan lead to engine dam-
age.
! Do not fil
lthe AdBlue ®
containe rwitha
pump nozzle.
! If there ar
esteep gradients whil edrivin goff-
road, asufficient filling level in the AdBlue ®
tank must be ensured .Makes uref or thi srea-
son tha tthere is aminimum fil llev el of ten
litres befor edrivin goff-road.
Hav ethe AdBlue ®
tank refille dataqualified
specialis tworkshop .However, yo ucan also top
up the AdBlue ®
tank:
R with AdBlue ®
refil lbottles
R with an AdBlue ®
refil lcanister
To avoi dtransporting already opene drefil lcon-
tainers in the vehicle, completel yempty refill
bottle sorcanisters when filling the AdBlue ®
tank, if possible.
Furthe rinformation on AdBlue ®
(Y page 251).
Opening/closing the AdBlue ®
fille rcap X
To open:switch the ignition off.
X Press the fue lfille rflapint he direction of
arrow :.
The fue lfille rflaps wing so pen.
X Turn blue AdBlue ®
fille rcap ; anti-clockwise
and remove it.
AdBlue ®
fille rcap ; is secured with aplast ic
strip.
X To close:fit blue AdBlue ®
fille rcap ; onto
the fille rneck and turn it clockwise.
X To close the fue lfille rflap, press it in the
direction of arrow :.
The Refill AdBlue See Owner' sManual
Refill AdBlue See Owner' sManual
message goe soutafte rdriving adistance of
severa lkilometres. i
The fue
lfiller flap is unlocked or locked
automatically when you unlock or lock the
vehicle.
AdBlue ®
refill canisters !
Do not tighten disposable hose
;with too
much force. Disposable hose ;may other-
wise be destroyed. X
Unscrew the cap from the opening on top of
AdBlue ®
refill canister :.
X Place disposable hose ;on the opening of
AdBlue ®
refill canister :and screw it on
clockwise until hand-tight.
Disposable hose ;remains closed until you
fasten disposable hose ;to the AdBlue ®
filler neck of the vehicle. X
Place disposable hose ;on the filler neck on
the vehicle and screw it on clockwise until
hand-tight. When you feel resistance, dispos- able hose ;is sufficiently secured.
X Lift up and tip AdBlue ®
refill canister :.
Filling stops when the AdBlue ®
tank is com-
pletely filled. Do not fill the AdBlue ®
tank any
further. AdBlue ®
refill canister :can be 112
RefuellingDriving and parking

To ensure that the vehicle is safeguarded
against rolling away unintentionally:
R the parking brake must be applied
R the transmission must be in position Pand the
key must be removed from the ignition lock
R the transfer case must not be in the neutral
position
R on uphill or downhill gradients, turn the front
wheels towards the kerb
R the empty vehicle must be secured at the
front axle with awheel chock or similar
object ,for example, on uphill or downhill gra-
dients
R al aden vehicle must also be secured at the
rear axle with awheel chock or similar object,
for example, on uphill or downhill gradients Switching off the engine
G
WARNING
The automatic transmission switches to neu-
tral position Nwhen you switch off the engine.
The vehicle may roll away. There is arisk of an
accident.
After switching off the engine, alwayss witch
to parking position P.Prevent the parked vehi-
cle from rolling awaybya pplying the parking
brake.
X Shift the automatic transmission to position
P.
X Turn the key to position 0in the ignitionlock
and remove it.
The immobiliser is activated.
X Firmly apply the parking brake.
X Turn the steering whee luntil the steering
whee llock engages.
If you switch the engine off with the transmis-
sion in position Ror D,t he automatic transmis-
sion shifts to Nautomatically.
If you then open the driver's door or the front-
passenger door or remove the key from the igni- tion, the automatic transmission shifts to P
automatically.
If you switch off the engine while the transmis-
sion is in position N,the automatic transmission
remains in Neven if adoor is opened .The auto-
matic transmission only automatically shifts into neutral
Nwhe nyou switc hoff the engine
using the key. Parking brake
G
WARNING
If you mus tbrake the vehicl ewith the parking
brake, the braking distance is considerably
longer and the wheels coul dlock. This increa-
ses the risk of skidding and an accident.
Only use the parking brake to brake the vehi- cle when the service brake is faulty. Do not
apply the parking brake too firmly .Ifthe
wheels lock, release the parking brake until
the wheels begi nturning again. G
WARNING
If you leave children unattended in the vehi-
cle, they may be abletos et the vehiclein
motion if, for example, they:
R release the parking brake
R shift the automatic transmission out of park
position P
R start the engine
In addition, they may operate vehicl eequip-
ment and become trapped. 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. The brake light
sdonot light up when you brake
the vehicle with the parking brake.
If you pull away with the parking brake applied,
aw arning tones ounds.114
ParkingDriving and parking

X
To apply: pull parking brake lever ;up
firmly.
Whe nthe ignition is switched on, the red J
indicator lamp in the instrument cluster lights up.
X To release: pull parking brake lever ;
slightly.
X Press release button :and guid eparking
brake ;down to the stop.
The J indicator lamp in the instrument
cluster goe sout.
The vehicl ecan also be braked during an emer-
genc ybyu sing the parking brake.
X To brake in an emergency: press and hold
release button :and carefull ypullp arking
brake lever ;upwards.
If yo udrive on we troads or dirt-covered surfa-
ces, roa dsalta nd/or dirt could get into the
parking brake.
In order to prevent corrosion and areduction in
the braking powe rofthe parking brake, observe
the following:
R pull the parking brake upwards with release
button :depresse dfrom time to time before
beginning ajourney
R drive for approximatel y100 ma tamaximum
speed of 20 km/h Parkin
gupthe vehicle
If you leave the vehicle parked up for longer than
four weeks, the battery may be damaged by
exhaustive discharging.
If you leave the vehicle parked up for longer than
six weeks, it may suffer from lack of use.
X Contact aqualified specialist workshop and
seek advice.
i You can obtain information on trickle charg-
ers from aqualified specialist workshop. Driving tips
General drivin
gtips
Important safety notes G
WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available wit
hlimitations, or not at all. This could affect,
for example, th epower steerin gand th ebrake
boosting effect .You will requir econsiderably
mor eeffort to steer and brake. Ther eisarisk
of an accident.
Do not switch off th eignitio nwhile driving.
Drive sensibly –savef uel Observe the following tips to save fuel:
X The tyre sshould always be inflated to the rec-
ommended tyre pressure.
X Remove unnecessary loads.
X Remove roof carriers when they are not nee-
ded.
X Warm up the engine at low engine speeds.
X Avoid frequent acceleration or braking.
X Have all service and maintenance work car-
ried out at the specified intervals.
Fuel consumption also increases when driving in
cold weather, in stop-start traffic, on short jour- neys and in hilly terrain. Short journeys
! Vehicles with
adiesel particle filter: if the
vehicle is mostly driven for short distances, it
is possible that malfunction smay occur dur-
ing the automatic cleaning of the diesel par-
ticle filter. This may lead to fuel collecting in
the engine oil and cause engine failure. There- fore, if you frequently drive short distances,
you should take a20minute trip on amotor-
way or rural road at least every 500km. Brakes
Imp ortant safety notes G
WARNING
If you shift dow nonaslippery road surface in
an attempt to increas ethe engine's braking
effect, the drive wheels coul dlose their grip.
This increases the risk of skidding and having
an accident.
Do not shift downf or additionalengine brak-
ing on aslippery road surface. Drivingt
ips
115Driving an dparking Z

Important safety notes
G
WARNING
When leavin gthe vehicle, it can still roll away
despite being braked by the HOLD function if:
R there is amalfunction in the system or in
the voltag esupply
R the HOLD function is deactivated by the
accelerator peda lbeing depressed, e.g. by
av ehicl eoccupant
R the electrica lsystem in the engine com-
partment, the battery or the fuses are tam-
pered with
R the battery is disconnected
There is arisk of an accident.
Before leaving the vehicle, alwaysd eactivate
the HOLD function and secure the vehicle
from rolling away.
Deactivating the HOLD function (Y page123).
Activation conditions You can activate the HOLD fun
ction if:
R the vehicle is stationary
R the engin eisrunning or if it has been auto-
matically switched off by the ECO start/stop
function
R the driver's door is close dorifyour seat belt
is fastened
R the parking brak eisreleased
R the transmission is in position D,Ror N
Activating th eHOLD function X
Make sure that the activation condition sare
met.
X Depress the brake pedal.
X Quickly depress the brake pedal further until
ë appears in the multifunction display.
The HOLD function is activated. You can
release the brake pedal.
If depressing the brake pedal the first time does not activate the HOLD function, wait briefly and
then try again. Deactivating the HOLD function The HOLD function is deactivated automatically
if:
R you depress the accelerator and the trans-
mission is in position Dor R.
R the transmission is in position j.
R you depress the brake pedal again with acer-
tain amount of pressure until ëdisap-
pears from the multifunction display.
On steep uphill or downhill inclines or if there is
am alfunction, the transmission may also be
automatically shifted into position P. Permanent all-wheel drive
! Never tow the vehicle with one axle raised.
This may damage the transfer case. Damage
of this sort is not covered by the Mercedes-
Benz implied warranty. All wheels must
remain either on the ground or be fully raised.
Observe the instructions for towing the vehi-
cle with all wheels in full contact with the
ground.
! When testin
gthe parking brake, operate the
vehicle only briefly (for amaximum of ten sec-
onds) on abrake test dynamometer. When
doing this, turn the key to position 0or 1in
the ignition. Failure to do this can cause dam- age to the drive train or the brake system.
! Af
unction or performanc etest should only
be carried out on atwin-axle dynamometer.
Before you operate the vehicle on such a
dynamometer, please consult aqualified
workshop. You could otherwise damage the
drive train or the brake system.
The all-wheel drive system ensures that all four
wheels are permanently driven. The all-wheel
drive system improves vehicle traction together with ESP ®
and 4ETS if adrive wheel spins due to
insufficient grip.
Only when you use winter tyres (M+S tyres) in
wintry driving condition sand, if necessary, snow
chains (Y page 237). Only in this way can the
maximum effect of all-wheel drive be achieved.
Information about driving off-road (Y page 119). Driving systems
123Driving and parking Z

R
the automatic transmission is in selector
lever position i
R youa renot drivin gfastert ha n7 0km/h
Yo uc ould otherwis edamag ethe transfer
case.
X Press button ;.
Once the shiftin gprocedur ehasbeen com-
pleted, the HIGH
HIGH RANGE RANGE transfe rcasep osit ion
is shown in the multifunctio ndisplay.
Indicato rlamp :goes out.
If the shiftin gprocedur eisunsuccessful, the
multifunctio ndisplay mayshowt he following
messages:
R TC shift condition snot fulfilled
TC shift condition snot fulfilled
One or mor eshift conditions ha snot been
met.
R TC neutra lon
TC neutra lon
The transfe rcaseh ascancelle dthe shifting
procedur eand is in position N.
R TC shift cancelled
TC shift cancelled
The transfe rcaseh ascancelle dthe gear
change process.
X Repeat the gear change process.
Make sure al lconditions for gear changing are
met.
R TC malfunction Visit workshop
TC malfunction Visit workshop
The transfe rcaseisf aulty.
X Do not shift the transfe rcase.
X Hav ethe vehicl echecked as soo naspossible
at aq uali fied specialis tworkshop.
Shifting to neutral G
WARNING
If you do not wai tfor the transfer case gear
change process to complete, the transfer
case coul dremai ninthe neutral position. The
power transmission to the drive nwheels is
then interrupted. There is adange rofthe
vehicl erolling awayu nintentionally.T here is a
risk of an accident.
Waitu ntil the transfer case shift process is
completed.
X Turn the key to position 2in the ignitio nlock.
X Apply the parking brake.
X Depress the brake pedal. X
Shift the automatic transmissio ntoposition
N.
X Press and hol dLOW RANG Ebutton ;for
approximately ten seconds.
Whe nthe shift procedure is complete, the
multifunction display shows the TC TCNeutral
Neutral
on
on message for five seconds.
If the shifting procedur eisunsuccessful, the
multifunction displaym ay show the following
messages (Y page 149).
If the transfer case is in Neutral,the key is in the
ignition lock and you open the driver's door, the
TC Neutral on
TC Neutral on message appears in the multi-
function display. If you then release the parking
brake, awarning tone will sound. Differentia
llocks
General notes G
WARNING
When th edifferential locks are engaged, ABS,
4ETS, ESP ®
and BAS are deactivated. This
coul dcauset he wheels to lock and increases
the braking distance. There is arisk of an
accident.
Disengage the differential locks immediately
on firm surfaces with good grip.
! To prevent damage to the transfer case, you
may only operate the vehicl eonaroller dyna-
mometer (single-axle roller dynamometer) if:
R the axle that is not being drive nisraised.
or
R the corresponding propellers haft is dis-
connected and the transfer case differen-
tial lock is engaged.
Otherwise, the transfer case can be damaged.
Differentia llocks improv ethe traction of the
vehicle.
Yourv ehicleise quipped with adifferential lock
each for:
R the transfer case: this controls the balance
between the front and rear axles
R the rear axle :this controls the balance
between the wheels on the rear axle
R the front axle :this controls the balance
between the wheels on the front axle Off-roa
ddriving systems
125Driving and parking Z

the engine compartment, leav
ethe bonnet
close dand notify the fir ebrigade.
The coolant temperatur egauge is in the instru-
ment cluste ronthe right-hand side (Y page 26).
Under normal operating conditions and with the specifie dcoolant level ,the coolant temperature
ma yriseto1 20 †.
At high outside temperatures and when driving
in mountainou sterrain, the coolant temperature
ma yrisetot he end of the scale. Operatin
gthe on-board computer
Overview :
Multifunction display
; Switches sound on/off
= Right control panel
? Left control panel
A Back button
X To activate the on-board computer: turn
the key to position 1in the ignition lock
(Y page 96).
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 asubmenu or function
R In the Audio Audio menu: selects the
previous or next station, when the preset list or station list is active,
or an audio track
R In the Tel Tel(telephone) menu:
switches to the phone book and
selects aname or telephone num-
ber 9
: Press and hold:
R
In the Audio Audio menu: selects apre-
set list or astation list in the
desired frequency range a R
Confirms selection/displaym es-
sage
R In the Tel
Tel(Telephone) menu:
switches to th etelephone book
and start sdiallin gthe selected
number Right contro
lpanel ~ R
Rejects or end sacall 6 R
Makes or accept sacall
R Switches to the redial memory W
X R
Adjusts the volume 8 R
Mute ? R
Mute 132
Displays and operationOn-board computer and displays