engine MERCEDES-BENZ G-CLASS SUV 2018 Owners Manual

Key
Display messages
Possible causes/consequences and M
MSolutions
Á Key not detected (red dis‐
play message) *T
hekey cannot be de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you swit choff the engine:
R You can no lon gerst art the engine.
R You cannot centrally lock theve hicle. #
Ensure that theke y is in theve hicle.
If th eke y de tection function has a malfunction due toast ro ng radio signal source: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Place theke y in the slot forst arting the engine with theke y (/ page142).
Á
Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop.
Á Key not detected (white
display message) *T
hekey is cur rently und etected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, start the engine with theke y in the slot (/ page142). 478
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Max. speed 6 mph (yellow
display message) *T
he maximum reliable speed forfo rd ing of 10km/h has been exceeded. #
Drive more slowl y.
Fording not possible Con-
sult workshop *T
here is a fault with the air flap of the air intake.
Fo rding is not possible. #
Drive on carefull y. #
Consult a qualified specialist workshop.
Air intake malfunction See
Owner's Manual *T
he air flap of the air intake is dirty or iced up.
Fo rding is not possible. #
Atoutside temp eratures abo ve4 °C, re-sta rt the engine. #
Ifyo u ha vealready star tedfo rd ing, drive on carefull y. #
Clean theve hicle. #
Defrost the air intake.
Ð
Steering malfunction Stop
immediately See Owner's
Manual *T
hesteering is malfunctioning Steering capability is considerably impaired. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. Display messa
ges and warning/indicator lamps 485

Display messages
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Consult a qualified specialist workshop.
Ð Steering malfunction
Increased physical effort
See Owner's Manual *T
he po wer assi stance forth esteering is malfunctioning. &
WARNING Risk of an accident due toaltered steering characteristics
If th e po wer assi stance of thesteering fails partially or comple tely, you will need touse more forc eto steer. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y.
? *T
he bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. #
Never unlock the engine bonn etwhen driving. 486
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Before every trip, ensure that the engine bonn etis loc ked. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions. #
Close the bonn et.
C *A
t least one door is open. #
Close all doors.
¥
Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped below the minimum. #
Top up thewa sher fluid (/ page 380). Climate cont
rol Display messages
Possible causes/consequences and M
MSolutions
& inoperative See Owner's
Man. *T
hestationary heater is temp orarily malfunctioning. #
When theve hicle is on a le vel sur face and the engine has cooled down, make up tofour attem ptsto switch on
th est ationary heater, waiting se veral minutes between each attem pt. #
Ifth est ationary heater does not swit chon, consult a qualified specialist workshop. Display messages and
warning/indicator lamps 487

Display messages
Possible causes/consequences and M
MSolutions #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. The Adaptive Highbeam
Assist Plus available again display message appears.
Adaptive Highbeam Assist
Plus Camera view restric-
ted See Owner's Manual *T
he camera view is restricted. Possible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Clean the windscreen. Wa
rning and indicator lamps Overview of
warning and indicator lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some warning and indi‐
cator lamps may brief lylight up or flash. This
behaviour is non-critical. These warning and indi‐ cator lamps indicate a malfunction only if
they
light up or flash af terth e engine has been star‐
te d or during a journe y. Displ
aymessa ges and warning/indicator lamps 491

Instrument display (standard)
Instrument display in
the widescreen cockpit Prog
ressive setting Ve
hicles with a widescreen cock pit:Ifyou
select the progressive display setting, the posi‐
tions of the indicator lamps on the instrument
display will change.
Wa rning and indicator lamps:
L Low beam (/
page117)
T St
anding lights (/ page117)
K High beam (/
page119)
#! Tu
rn signal indicators (/ page119)
R Re
ar fog light (/ page117)
6 Re
stra int sy stem (/ page 493) ü
Seat belt not
fastened (/ page 498)
J Brakes (yellow) (/
page 493)
J Brakes (red) (/
page 493)
! Elect
ric pa rking brake (yellow)
(/ page 493)
! Electric parking brake (red)
(/
page 493)
! ABS malfunction (/
page 493)
÷ ESP®
(/ page 493)
å ESP®
OFF (/ page 493)
L Distance warning (/ page 499)
Ð Po
we r-assis tedsteering malfunction
(/ page 504)
+ Off-road
gear (/ page159)
Ì On-road position (/ page159)
; Engine diagnostics (/
page 500)
% Preglow
# Electrical
fault(/ page 500)
8 Fu
elreser vewith fuel filler cap loca‐
tion indicator (/ page 500)492
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
å ESP ®
OFF warning lamp The
yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deacti vated. &
WARNING Risk of skidding when driving wi thESP ®
deacti vated
If ESP ®
is deactivated, ESP ®
cannot car ryout vehicle stabilisation. The availability of fur ther driving saf ety sy stems
is also limited. #
Drive on carefull y. #
Only deactivate ESP ®
for as long as the situation requ ires.
If ESP ®
cannot be activated, ESP ®
is malfunctioning. #
Have ESP ®
ch ecked immediately at a qualified specialist workshop. #
Obser vethe no tes on deactivating ESP ®
(/ page 179).
J Brake sy stem warning lamp
(red) The
red brake sy stem warning lamp is lit while the engine is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. 494
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
! ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional warning tone, EBD is malfunctioning.
Other drive sy stems and driving saf ety sy stems may also be malfunctioning. &
WARNING Thereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may increase in
an eme rgency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop.
÷ ESP ®
wa rning lamp lights
up The
yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning
Other drive sy stems and driving saf ety sy stems may also be malfunctioning. 496
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems are
switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop.
J Brake sy stem warning lamp
(yellow) The
yellow brake sy stem warning lamp is lit while the engine is running. &
WARNING Risk of an accident due toa brake sy stem malfunction
If th e brake sy stem is malfunctioning, braking characteristics may be impaired. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Adjust your speed and continue todrive carefull y,leaving a suitable dis tance totheve hicle in front. #
Ifth e multifunction display sho wsa display message, please obse rve it. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 497

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
6 Re stra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is faulty (/ page 30). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or might not
be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, forex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop immediatel y.Seat belt
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion. #
Fasten your seat belt(/ page 34).
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. 498
Display messages and warning/indicator lamps