2016 MERCEDES-BENZ G-CLASS SUV warning

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

Automati
ctransmission Important safety notes
G
WARNING
If th eengine spee disabove the idling speed
and you engag etransmission position Dor R,
the vehicl ecouldp ulla wa ysuddenly .There is
ar isk of an accident.
When engaging transmission position Dor R,
alwaysf irmly depress the brake peda land do
not simultaneously accelerate. G
WARNING
The automatic transmission switches to neu-
tral position Nwhen you switch off the engine.
The vehicl emay 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.
i Bear in mind that power transmission
between the engine and the transmission is
interrupted when the engine is switched off.
For this reason, shift the automatic transmis-
sion to Pwhen the engine is switched off and
the vehicl eisstationary. Apply the parking
brake to prevent the vehicl efrom rolling
away. Selector lever
Overview of transmission positions !
If the engine speed is too high or if the vehi-
cle is rolling ,donot shift the transmission
directly from Dto R,f rom Rto Dor directly to
P.
Do not open the driver's door while the vehi-
cle is in motion. At low speeds in transmission position Dor R,p ark position Pis otherwise
engaged automatically.
The transmission could be damaged. :
Pbutton: park position with parking lock
k Revers egear
i Neutral
h Drive
After you select atransmission position ,the
selector lever return stoits original position.
The curren ttransmission position P,R, Nor D
appears in the transmission position display in
the multifunction display.
Transmission position and drive pro-
gram display !
If the transmission position display in the
multifunctio ndisplayisn ot working, you
should pull awayc arefully to check whether
the desired transmission position is engaged.
Select transmission position D.Donot
restrict the shift range. Current transmission position
:and dri vepro-
gram ;appear in th emultifunction display.
When th eselector leve risinposition D,you can
influence th egearshifts made by th eautomatic
transmission by:
R restricting th eshiftrange
R changing gear yourself Automatic transmission
101Driving and parking Z

Shifting to parkp
osition PX
Make sure that the vehicle is stationary.
X Depress the brake pedal and keep it
depressed.
X Press the Pbutton in the centre console.
If you depress the brake pedal and push the
selector lever forwards or back to the first point of resistance, park position Pis disengaged. The
transmission shifts to neutral N.
Shifting to reverse gear R !
Only move the automatic transmission to
k when the vehicle is stationary.
X Make sure that the vehicle is stationary.
X Depress the brake pedal and keep it
depressed.
X Push the selector lever forwards past the first
point of resistance.
The transmission position Ris engaged.
If you engage reverse gear and the ECO start/
stop function is activated, the engine starts
automatically (Y page 97).
Shifting to neutral N 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. X
Make sure that the vehicl eisstationary.
X Depress the brake pedal and keep it
depressed.
X Push the selector lever forwards or pull it back
to the first point of resistance, depending on
the current transmission position.
The automatic transmission shifts into N.
When the engine is switched off, the automatic
transmission shifts to Nautomatically.
If the vehicle is braked to astandstill in neutral
N,t he ECO start/stop function switches off the
engine automatically (Y page 97).
Staying in neutral( N) 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 injure dbythe 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.
X Make sure that the vehicl eisstationary.
X Make sure that the ignitio nisswitched on.
X Depress the brake peda land keep it
depressed.
X Shift neutral N.
X Release the brake pedal.
X Make sure that the parking brake is released.
X Switch off the ignitio nand leave the key in the
ignitio nlock. 102
Automatic transmissionDrivinga
nd parking

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

nozzle. Thi
sdischarge sany electrostatic
charge tha tmayhave buil tup.
Do not get back into the vehicl eduring the refu-
elling process ;otherwise, electrostatic charge
could buil dupagain. G
WARNING
If yo umix diesel fuel with petrol, the flash
point of this fuel mixture is lower than that of pure diesel fuel .When the engine is running,
components in the exhaust system may over-
heatu nnoticed. There is arisk of fire.
Never refue lwith petrol. Never add petrol to
diesel fuel.
! Do not use petrol to refue
lvehicles with a
diesel engine. Do not switch on the ignitio nif
you accidentally refue lwith the wrong fuel.
Otherwise, fuel can enter the fuel system.
Even smal lamounts of the wrong fuel could
result in damage to the fuel system and the
engine. The repair costs are high .Notify a
qualified specialist worksho pand have the
fuel tank and fuel lines drained completely.
! Overfilling the fuel tank coul
ddamage the
fuel system.
! Take care not to spil
lany fuel on painted
surfaces. You coul dotherwise damage the
paintwork.
! Use
afilter when adding fuel from afuel can.
The fuel lines and/or the fuel injection system coul dotherwise be blocked by particles from
the fuel can.
If you overfil lthe fuel tank, some fuel may spray
out when you remove the fuel pump nozzle.
Further information on fuel and fuel quality
(Y page2 50). Refuelling
General information Observe the important safety notes
(Y
page 108).
If you unlock/lock the vehicle from the outside, the fuel filler flap also unlocks/locks.
The positio nofthe8 fuel filler cap is dis-
played on the instrument cluster. The arrow next to the filling pump indicates the side of the vehi-
cle.
Opening the fuel filler flap :
To open the fuel filler flap
; Tyre pressure table
= Instruction label on the fuel type to be refu-
elled
? To insert the fuel filler cap
X Turn the fuel filler cap anti-clockwise and
remove it.
X Insert the fuel filler cap into the holder
bracket on the inside of filler flap ?.
i AdBlue ®
vehicles do not have abracket on
the inside of the filler flap.
X Completely insert the filler neck of the fuel
pump nozzle into the tank and refuel.
X Fill the tank only until the pump nozzle
switches off.
Do not add any more fuel after the pump stops
filling for the first time. Otherwise, fuel may leak out.
The filler neck is designed for refuelling at diesel
filling pumps.
Closing the fuel filler flap X
Replace the cap on the filler neck and turn
clockwise until it engages audibly.
X Clos ethe fuel filler flap.
Close th efuel filler flap before lockin gthe vehi-
cle. Refuelling
109Driving and parking Z

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

AdBlue
®
Genera lnotes To function properly, BlueTE
Cexhaust gas after-
treatment must be operated with the reducing
agent AdBlue ®
.
When the supply of AdBlue ®
is almost used up,
the Refill AdBlue See Owner's Manual Refill AdBlue See Owner's Manual
message is shown in the multifunction display .A
warning tonea lso sounds.
If the Refill AdBlue No start in Xkm
Refill AdBlue No start in Xkm
message is shown in the multifunction display,
you can still drive the vehicle over the distance
shown. If AdBlue ®
is not topped up, you will
subsequently be unable to startt he engine.
When you see the warning message, it is rec-
ommended that you fill the AdBlue ®
reservoir
with 10 litres of AdBlue ®
.T his ensures that the
AdBlue ®
supply will last until the next regular
service due date.
Further information about BlueTEC exhaust gas
aftertreatmen tand about AdBlue ®
can
be obtained from any Mercedes-Benz Service
Centre.
i You can also have the AdBlue ®
tank refilled
at aq ualified specialist workshop.
If the outside temperature is lower than Ò11 †,
it may be difficult to top up. If AdBlue ®
is frozen
and there is an active warning indicator, topping up may not be possible. Park the vehicle in a
warm place, e.g. in agarage, until AdBlue ®
has
become liquid again. Topping up is then possible
again. Alternatively, have the AdBlue ®
tank refil-
led at aqualified specialist workshop.
Before driving your vehicle outside Europe, have the AdBlue ®
supply checked at aqualified spe-
cialist workshop.
Further information about BlueTEC exhaust gas
aftertreatmen tand about AdBlue ®
can
be obtained from any Mercedes-Benz Service
Centre.
Important safety notes AdBlue
®
is aw ater-soluble fluid for the exhaust
ga sa ftertreatment of diese lengines. It is:
R non-toxic
R colourless and odourless
R non-flammable If you open the AdBlue
®
tank ,small amounts of
ammonia vapourm ay be released.
Ammonia vapours have apungent odoura nd are
particularly irritating to the skin, mucous mem-
branes and eyes.Y ou may experience aburning
sensation in youre yes,nose and throat. You
may also experience coughing and watery eyes.
Do not inhalea ny ammonia vapours that may be
released. Fill the AdBlue ®
tank only in well-ven-
tilated areas.
Do not swallow AdBlue ®
or let it come into con-
tact with skin, eyes or clothing. Keep AdBlue ®
awayf rom children.
If you or others come into contact with AdBlue ®
,
observe the following:
R immediately rinse AdBlue ®
off yours kin with
soap and water.
R if AdBlue ®
comes into contact with youre yes,
immediately rinse them thoroughl ywith clean
water. Seek medica lattention immediately.
R if AdBlue ®
is swallowed, immediately rinse
yourm outh out thoroughly. Drink plenty of
water. Seek medica lattention immediately.
R change immediately out of clothing that has
come into contact with AdBlue ®
.
! Only use AdBlue ®
in accordance with
ISO 22241. Do not mix any additives with
AdBlue ®
,a nd do not dilute AdBlue ®
with
water. This may destroy the BlueTEC exhaust
gas aftertreatment system.
! In order to fill the AdBlue ®
tank, the vehicle
must be parked on alevel surface. The
AdBlue ®
tank can only be filledasi ntended
with the vehicle parked on alevel surface.
Fluctuations in capacity willt hus be avoided.
Filling avehicle standing on an uneven sur-
face is not permitted. There is adanger of
overfilling, which can cause damage to Blue-
TEC exhaust gas aftertreatment components.
! Surfaces which have come into contact with
AdBlue ®
whiler efilling shouldber insed
immediately with water, or remove AdBlue ®
with amoist cloth and cold water. If AdBlue ®
has already crystallised, use asponge and
cold water to clean the area.A dBlue®
residue
crystallises after acertain amount of time and
soils the affected surfaces.
! AdBlue ®
is not afuel additive and must not
be addedtot he fuel tank. If AdBlue ®
is added Refuelling
111Driving and parking Z

removed when it has been only partially emp-
tied.
X Turn disposable hose ;on the filler neck of
the vehicl eanti-clockwise and remove it.
X Turn disposable hose ;on the opening of
AdBlue ®
refil lcanister :anti-clockwise and
remove it.
X Reseal AdBlue ®
refil lcanister :with the cap.
AdBlue ®
refil lcanisters are available at many
filling stations or at aqualified specialist work-
shop. AdBlue ®
refil lcanisters are often sold with
af iller hose. Afiller hose that does not exactly fit
the vehicle's AdBlue ®
tank offers no overfil lpro-
tection. AdBlue ®
may leako ut asaresul tof
overfilling. Mercedes-Benz offers aspecia ldis-
posable hose with overfil lprotection. You can
obtai nthis from any Mercedes-Benz Service
Centre. AdBlue ®
is available in avariety of con-
tainers and receptacles. Use the disposable
hose only with the Mercedes-Benz AdBlue ®
refill
canisters.
AdBlue ®
refill bottle !
Only screw on the AdBlue ®
refill bottle so
that it is hand-tight. Otherwise, the thread of
the AdBlue ®
refill bottle could be damaged
and AdBlue ®
could leak out. X
Unscrew the protective cap from AdBlue ®
refill bottle :.
X Set AdBlue ®
refill bottle :as shown on the
filler neck and screw it clockwis euntil it is
hand-tight.
X Press AdBlue ®
refill bottle :towards the
filler neck.
The AdBlue ®
tank is filled. This could take up
to one minute.
When AdBlue ®
refill bottle is no longer
pressed down, filling stops. The bottle can be removed when it has been only partially emp-
tied.
X Release AdBlue ®
refill bottle :.
X Turn AdBlue ®
refill bottle :anti-clockwise
and remove it.
X Screw the protective cap onto AdBlue ®
refill
bottle :again.
AdBlue ®
refill bottles are available at many fill-
ing stations or at aqualified specialist work-
shop. Refill bottles withou tathreade dseal offer
no overfil lprotection. AdBlue ®
may leako ut as a
resul tofo verfilling. Mercedes-Benz offers spe-
cial refil lbottles with athreade dcap. These are
available at any Mercedes-Benz Service Centre. Parking
Im
portant safety notes G
WARNING
Flammable material such as leaves ,grass or
twigs may ignite if they come into contact with hot parts of the exhaust system or exhaust
gas flow .There is arisk of fire.
Park the vehicl esothat no flammable mate-
rial can come into contact with hot vehicle
components. In particular, do not park on dry grassland or harvested grai nfields. 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. Parking
113Drivingand parking Z