engine MERCEDES-BENZ G-CLASS SUV 2016 Manual Online

Warning/
indicator
lamp
N N
Signa ltype
Possible causes/consequences and M
MSolutions !
N
The red ABS warning lamp is lit while the engine is running.
You have engaged the differential locks. ABS is deactivated.
X Disengage the differential locks.
Subsequently ABS is reactivated. J÷
!
N
The yellow ESP ®
and ABS brake system warning lamps are lit while the engine
is running.
ABS and ESP ®
are malfunctioning.
Other driving and driving safety systems may also be malfunctioning.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock if you brake hard, for exam-
ple.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased risk of skidding and/or accident.
X Observe the additional display messages on the multifunction display.
X Drive on carefully.
X Consult aqualified specialist workshop immediately. ÷
N
The yellow ESP ®
warning lamp flashes while the vehicle is in motion.
ESP ®
or traction control has intervened due to arisk of skidding or because at least
one wheel has started to spin.
Cruise control is deactivated.
X Depress the accelerator pedal only as far as necessary when pulling away.
X Accelerate more gently while the vehicle is in motion.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
In rare cases (Y page 54) it may be better to deactivate ESP ®
.
Observe the important safety notes on ESP ®
(Y page 54). Warning and indicato
rlamps on the instrument cluster
159On-boardcomputer and displays Z

Warning/
indicator
lamp
N N
Signa ltype
Possible causes/consequences and M
MSolutions å
N
The yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deactivated.
G WARNING
If ESP ®
is deactivated, ESP ®
is unable to stabilise the vehicle.
Further driving systems or driving safety systems are thus restricted.
There is an increased risk of skidding and/or accident.
X Reactivate ESP ®
.
In rare cases (Y page 54) it may be better to deactivate ESP ®
.
Observe the important safety notes on ESP ®
(Y page 54).
X Adapt your driving style to suit the road and weather conditions.
If ESP ®
cannot be activated:
X Drive on carefully.
X Have ESP ®
checked at aqualified specialist workshop. ֌
N
The yellow ESP ®
and ESP ®
OFF warning lamps are lit while the engine is running.
ESP ®
is malfunctioning.
Other driving and driving safety systems may also be malfunctioning.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance may thus increase in an emergenc ybraking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased risk of skidding and/or accident.
X Observe the additional display messages on the multifunction display.
X Drive on carefully.
X Consult aqualified specialist workshop immediately. 160
Warning and indicator lamps on the instrument clusterOn-board computer and displays

Warning/
indicator
lamp
N N
Signa ltype
Possible causes/consequences and M
MSolutions ֌
N
The yellow ESP ®
and ESP ®
OFF warning lamps are lit while the engine is running.
ESP ®
is temporarily unavailable.
Other driving and driving safety systems may also be unavailable.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance may thus increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased risk of skidding and/or accident.
X Carefully drive on asuitable stretch of road, making gentle steerin gmovements
at speeds of above 20 km/h.
The functions mentioned above are available again when the warning lamp goes
out.
If the warning lamp is still on: X Observe the additional display messages on the multifunction display.
X Drive on carefully.
X Consult aqualified specialist workshop. å
N
The yellow ESP ®
OFF warning lamp is lit while the engine is running.
The differential lock is engaged. ABS,E SP®
,4 ETS and BAS have been deactivated.
X Disengage the differential lock.
ESP ®
,4 ETS and BAS are subsequently reactivated.
X Observe the additional display messages on the multifunction display. 6
N
The red restraint system warning lamp is lit while the engine is running.
The restraint system is malfunctioning.
G WARNING
The airbags or belt tensioners may either be triggered unintentionally or, in the
event of an accident ,may not be triggered.
This poses an increased risk of injury.
X Observe the additional display messages on the multifunction display.
X Drive on carefully.
X Contact aqualified specialist workshop immediately and have the restraint sys-
tem checked.
Further information about the restraint system (Y page 31).Warning and indicato
rlamps on the instrument cluster
161On-boardcomputer and displays Z

Engine
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions ;
N
The yellow engine diagnostics warning lamp lights up whil ethe engine is run-
ning.
There may be afault with the following, for example:
R engine management
R fuel injection system
R exhaust system
R fuel system
The emission limit values may be exceeded and the engine may be runnin gin
emergenc ymode.
X Consult aqualified specialist workshop immediately.
Vehicles with adiesel engine: the fuel tank has been run dry (Y page 110).
X Start the engine three to four times after refuelling.
If the yellow engine diagnostics warning lamp goes out, emergenc ymode is
cancelled. The vehicle does not have to be checked. 8
N
The yellow reserve fuel warning lamp lights up while the engine is running.
The fuel level has dropped into the reserve range.
Operation of the auxiliary heating is deactivated if the fuel level drops into the
reserve range.
X Refuel at the nearest filling station. %
N
On diesel engine vehicles, the preglow indicator lamp does not light up when the
key is in position 2(Y page 96).
The preglow system is malfunctioning.
X Consult aqualified specialist workshop immediately. ?
N
The red coolant warning lamp lights up while the engine is running and the
coolant temperature display is at the start of the scale.
The temperature sensor for the coolant temperature gauge is malfunctioning.
The coolant temperature is no longer being monitored. The engine could be dam-
aged if the coolant temperature is too high.
X Stop the vehicle immediately,p aying attention to road and traffic conditions,
and switch off the engine. Do not continue driving.
X Secure the vehicle against rolling away (Y page 113).
X Consult aqualified specialist workshop. 162
Warning and indicator lamps on the instrument clusterOn-board computer and displays

Warning/
indicator
lamp
N N
Signa ltype
Possible causes/consequences and M
MSolutions ?
N
The red coolant warning lamp lights up while the engine is running.
The coolant level is too low.
If the coolant level is correct, the airflow to the engine radiator may be blocked or the electric engine radiator fan may be malfunctioning.
The coolant is too hot and the engine is not being cooled sufficiently.
X Observe the additional display messages on the multifunction display.
X Stop the vehicle immediately, paying attention to road and traffic conditions,
and switch off the engine.
X Secure the vehicle against rolling away (Y page 113).
X Leave the vehicle and keep asafe distance from the vehicle until the engine has
cooled down.
X Check the coolant level and top up the coolant, making sure to observe the
warning notes (Y page 215).
X If you have to top up the coolant frequently, have the engine cooling system
checked.
X Make sure that the air supply to the engine radiator is not blocked, e.g. by frozen
slush.
X Do not start the engine again until the coolant temperature is below 120 †. The
engine may otherwise be damaged.
X Drive to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in mountainous terrain
and stop-start traffic. ?
N
The red coolant warning lamp lights up while the engine is running.
The coolant temperature has exceeded 120 †. The airflow to the engine radiator may be blocked or the coolant level may be too low.
G WARNING
The engine is not being cooled sufficiently and may be damaged.
Never drive with an overheated engine. Drivin gwhen your engine has overheated
can cause any fluids that may have leaked into the engine compartment to catch fire.
In addition, steam from an overheated engine can cause serious burns, which can
occur just by opening the bonnet.
There is arisk of injury.
X Observe the additional display messages on the multifunction display.
X Stop the vehicle immediately, paying attention to road and traffic conditions,
and switch off the engine.
X Secure the vehicle against rolling away (Y page 113).
X Leave the vehicle and keep asafe distance from the vehicle until the engine has
cooled down.
X Check the coolant level and top up the coolant, making sure to observe the
warning notes (Y page 215).
X If you have to top up the coolant frequently, have the engine cooling system
checked. Warning and indicato
rlamps on the instrument cluster
163On-boardcomputer and displays Z

Warning/
indicator
lamp
N N
Signa ltype
Possible causes/consequences and M
MSolutions X
Make sure that the air supply to the engine radiator is not blocked, e.g. by frozen
slush.
X If the coolant temperature is below 120 †, you can continue driving to the
nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in mountainous terrain
and stop-start traffic. Tyres
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions h
N
The yellow tyre pressure monitor warning lamp (pressure loss/malfunction) is
lit.
The tyre pressure monitor has detected aloss of pressure in at least one of the
tyres.
G WARNING
Underinflated tyres pose the following risks:
R the tyres may burst, especially as the load and vehicle speed increase
R the tyres may wear excessively and/or unevenly, which may greatly impair tyre
traction
R the driving characteristics, as well as steerin gand braking, may be greatly
impaired
There is arisk of an accident.
X Stop the vehicle without making any sudden steerin gorbraking manoeuvres.
Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 113).
X Observe the additional display messages on the multifunction display.
X Check the tyres and, if necessary, follow the instructions for aflat tyre
(Y page 224).
X Check the tyre pressure (Y page 239).
X If necessary, correc tthe tyre pressure. h
N
The yellow tyre pressure monitor warning lamp (pressure loss/malfunction)
flashes for approximately one minute and then remains lit.
The tyre pressure monitor is faulty.
G WARNING
The system is possibly unable to detect or register low tyre pressure.
There is arisk of an accident.
X Observe the additional display messages on the multifunction display.
X Consult aqualified specialist workshop immediately. 164
Warning and indicator lamps on the instrument clusterOn-board computer and displays

Loading guidelines
G
WARNING
If objects, luggage or loads are not secured or not secured sufficiently, the ycoulds lip,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
If you loadt he vehicleunevenly, driving char-
acteristics such as steering and braking
behaviou rmay be severely impaired .There is
ar isk of an accident.
Load the vehicl eevenly .Secure the loadso
that it cannot slip. G
WARNING
The exhaust tail pipea nd tail pipetrim can
become very hot. If you come into contact
with these parts of the vehicle, you coul dburn
yourself. There is arisk of injury.
Always be particularl ycarefu laround the
exhaust tail pipea nd the tail pipetrim. Allow
these components to cool downb efore touch-
ing them. G
WARNING
Combustio nengines emit 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. Driving, braking and steering characteris
tics
change depending on:
R typ eofl oad
R weight
R the centre of gravity of the load
Yo us houl dtherefore load your vehicl easshown
in the illustrations.
Observe the following note swhent ransporting
al oad:
R neve rexceed the maximum permissibl egross
vehicl eweigh tort he permissibl eaxlel oads
for the vehicl e(including occupants).
R positio nheavy loadsasf arforwards as pos-
sibl eand as lo wdownint he luggage com-
partment as possible.
R the load must not protrude above the upper
edge of the sea tbackrests.
R always place the load against the backrests of
the front seats or rea rseats.
R always place the load behind unoccupied
seats if possible.
R if possible, always transport the load in the
load compartment with the sea tbackrests
folde dupa nd engaged.
R uset he lashing eyelets and the luggage nets
to transport load sand luggage.
R onl yuselashing eyelets and fastening com-
ponents tha tare suitabl efor the weight and
size of the load. 198
Loadin
gguidelinesStowing and features

Befor
eevery trip ,make sur ethat the seat
backrests and the rea rbench seat/rea rseat
are engaged before every trip. G
WARNING
Combustio nengines emit 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.
Observe the loading guidelines (Y page198).
The left-hand and right-hand rear bench seats
can be folde dforward to increas ethe capacity
of the rear compartment. You can:
R fold the seat backrests forward
R fold the rear bench seat completely forward
Folding the seat backrest forwards X
Remove the head restraints (Y page 70).
Head restraints ma yberemove dand stowed,
e.g. in th eluggag ecom partment. Store head
restrain ssothatthe yc anno tbeflungaround.
X Pull release :in th edirection of th earrow.
The corresponding seat backrest is released.
X Fold th ebackrest forwards. ;
Seat backres tfolded forwards
Folding bac kthe seat backrest !
Make sure that the seat belt does not
become trapped when folding the rear seat
backrest back .Otherwise, it could be dam-
aged. X
Pull release lever :.
The corresponding seat backrest is released.
X Fold seat backrest ;back in the direction of
the arrow until it engages.
X Fit the head restraints (Y page 70). Stowage areas
201Stowing and features Z

Vanity mirro
rint he sun visor :
Sun visor
; Retainer
= Mirror cover
? Mirror lights
Mirror lights ?will only function if su nvisor :
is clippe dinto retainer ;.
X Fol dd owns un visor :.
X Fol dupm irror cover =.
Mirror lights ?are switched on automati-
cally.
Glare from the side :
Sun visor
; Retainer
= Mirror cover
? Mirror lights
X Fol dd owns un visor :.
X Pull su nvisor :outofr etainer ;.
X Swing su nvisor :to the side. Stowag
ecompartment/ashtray
Stowage compartment/ashtray in the
centre console G
WARNING
If you engage transmission position Dwhen
removing the ashtray insert, the vehicle can
roll away. There is arisk of an accident.
Always switch off the engine first and safe-
guard the vehicl eagainst rolling awayby
applying the parking brake. :
Cover
; Insert
On new vehicles, insert ;is stored in the glove
compartment. Fi tthe insert before usin gthe
ashtray.
X To open: press cover :and then release it.
The ashtray opens.
X To remove th einsert:ma ke sure that the
engin eisswitched off and that th eparking
brak ehas been applied to safeguard th evehi-
cle against rolling away.
X Mov ethe selector leve rtoi.
X Press cover :downwards.
Insert ;is released.
X Pull insert ;upward sand remove it.
X To refit th einsert: replace insert ;from
above.
X Press insert ;downwards.
Insert ;audibly engages.
X To close: fold down cover :completely.
If th edipped-beam headlamps are switched on,
th ea shtray is illuminated. 208
Featu
resStowing and features

Cigarett
elighter G
WARNING
Yo uc an burn yourself if you touch the hot
heating element or the socket of the cigarette lighter.
In addition, flammable materials can ignite if:
R the hot cigarette lighter falls
R ac hild hold sthe hot cigarette lighter to
objects, for example
There is arisk of fire and injury.
Always hold the cigarette lighter by the knob.
Always make sure that the cigarette lighter is
out of reach of children. Never leave children unattended in the vehicle. X
Pres sinc igarett elighter :.
Cigarette lighter :will pop out automatically
when the heating element is red-hot.
You can use the cigarett elighter socket for
accessories up to 180 W(Ypage 209). 12
Vsockets
General notes !
If you are simultaneously using all three
socketsint he vehicle, make sure that you do
not exceed the maximum current draw of
45 A. Otherwise, you will overload the fuses.
The sockets can be used for accessories with a maximum current draw of 180 W(15 A) each,
e.g. chargers fo rmobile phones.
If you use the sockets for long periods whe nthe
engine is switched off, the battery may dis-
charge. X
Turn the key to position 2in the ignition
lock.
Socket in the front-passenger footwell X
Lift up the cover of the socket.
The cigarette lighter socket can be also used
(Y page 209). It can also be used if the key has
been removed from the ignition lock.
Socket in the rear compartment X
Lift up the cover of the socket.
Socket in the luggag ecompartment Features
209Stowing and features Z