2017 MERCEDES-BENZ G-Class warning light

Display messagesPossible causes/consequences andMSolutions
÷
ESPDefectiveVisitWorkshop
ESP®is malfunctioning .
Other drivin gsystems and drivin gsafet ysystems may also malfunc -
tion .
The ÷ warning lamp also lights up in th einstrumen tcluster.
The self-diagnosis function might no tbecomplete, for example.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above.
The braking distanc einanemergenc ybraking situation can thus
increase.
If ES P
®is no toperational, ES P®is unable to stabiliz ethe vehicle.
There is an increased ris kofskiddin gand an accident.
XCarefully drive asuitable distance, making slight steering move-
ments at aspeed abov e12mph(20 km/ h).
If the display message disappears, the functions mentioned above are available again.
If the display message remains on show:
XDrive on carefully.
XVisit aqualifieds pecialist workshop.
!
÷J
ABS,ESP,EBDDefec‐tive Visit Workshop
EBD (electronic brake force distribution), ABS and ESP®are malfunc-
tioning.
Other driving systems and driving safety systems may also malfunc-
tion.
In addition, the ÷,Jand! warning lampsl ightupinthe
instrument cluster and awarning tone sounds.
GWARNING
The brake system continues to function normally,b ut withoutthe
functions listed above.T he front and rear wheelsc ould therefore lock
if you brake hard, for example.
The steerability and braking characteristics may be severelya ffected.
The braking distance in an emergency braking situation can increase.
If ESP
®is not operational, ESP®is unabl etostabilize the vehicle.
There is an increased risk of skidding and an accident.
XDrive on carefully.
XVisit aqualifieds pecialist workshop immediately.
F(USA
only)
J(Canada
only)
Please
ReleasePark‐ing Brake
You are driving with the parking brake applied. Awarning tone also
sounds.
XRelease the parking brake.
172Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
$(USA
only)
J(C anada
only)
Check Brake Fluid
Level
There is no tenough brak efluidint hebrak efluid reservoir .
In addition ,the $ (USAonly)/ J (Canada only) warning lamp
lights up in th einstrumen tcluste rand aw arning tone sounds.
GWARNIN G
The braking effec tmay be impaired.
There is ariskofana ccident.
XPull overand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions. Do no tcontinue driving
under any circumstances.
XSecur ethe vehicl eagainst rollin gaway (Ypage 120).
XConsult aqualified specialist workshop .
XDo notadd brak efluid .This does no tcorrect them alfunction .
#
CheckBrakePadWear
The brak epads/linings hav ereached their wear limit.
XVisit aqualified specialist workshop .
G
mbrace Inoperative
USA only:on eorm orem ain function softhembrace system are mal-
functioning .
Canad aonly :on eorm orem ain function softheTELE AI Dsystem are
malfunctioning .
XUSA only:hav ethe mbrace system checke dataqualified specialist
workshop .
XCanadaonly :hav ethe Tele AI Dsystem checke dataqualified spe -
cialist workshop .
6
SRSMalfunctionSer‐viceRequired
The restrain tsystem is malfunctioning .The 6 warning lamp also
lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XVisit aqualified specialist workshop .
Fo rfurther information about th erestrain tsystem, see (
Ypage 38).
6
Front Lef tMalfunc‐tionServic eRequiredorFr ontRight MalfunctionServic eRequired
The restrain tsystem has malfunctioned at th efront on th eleftorr ight.
The 6 warning lamp also lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XVisit aqualified specialist workshop .
Display messages173
On-boardc omputer andd isplays
Z

Display messagesPossible causes/consequences andMSolutions
6
RearLeftM alfunc‐tionServic eRequiredorRea rRight MalfunctionServic eRequired
The rear left-han dorright-hand restrain tsystem has malfunctioned.
The 6 warning lamp also lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XVisit aqualified specialist workshop .
6
RearCenterMalfunc‐tionServic eRequired
The rear center restrain tsystem has malfunctioned. The 6warning
lamp also lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XVisit aqualified specialist workshop .
6
LeftSideC urtai nAirbag MalfunctionServic eRequiredorRi ghtSid eCurtai nAirbagMalfunctionServiceRequired
The left-han dorright-hand window curtai nair bag is malfunctioning .
The 6 warning lamp also lights up in th einstrumen tcluster.
GWARNIN G
The lef torright window curtai nair bag may either be triggered unin-
tentionally or, in th eevent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XVisit aqualified specialist workshop .
FrontPassengerAir‐bag Disabled SeeOperator' sManual
ABabySmart ™compatible child restrain tsystem is installed on th e
front-passenger seat .
The 45indicator lamp also lightsu p.
The front-passenge rair bag is therefore disabled.
Further information on BabySmart™ (
Ypage 53).
174Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Enable dSeeOperator' sManual
The 45indicator lamp does not remain lit if aspecial Baby-
Smart™-compatible child restraint system has been installed on the
front-passenge rseat.
The BabySmart™ system is malfunctioning.
GWARNING
The front-passenge rfront air bag can be triggeredu nintentionally in
the eventofana ccident.
There is arisk of an accident.
XMake sure there is nothing betwee nthe seat cushio nand the child
seat.
XCheck for correcti nstallation of the child restraint system.
XIf the45indicator lamps do not light up, have the Baby-
Smart™ system checked as soon as possible at aqualified special-
ist workshop.
Do not transport achild on the front-passenge rseat until the air bag
deactivatio nsystem has been repaired.
RadarSensorsDirtySee Operator's Man‐ual
The radar sensor system is malfunctioning.
Possible causes are:
RDirtons ensors
RHeavy rain or snow
RWhen drivingoni nter-urban roads without traffic or infrastructure,
e.g. in desert-lik eareas
At least one drivings ystem is malfunctionin gortemporarily unavail-
able:
RDISTRONIC PLUS
Aw arnin gtonea lso sounds.
Onc ethe cause of the problem is no longer present ,the drivings ys-
tem swill be available again. The display message disappears.
If the display message does not disappear:
XPull over and sto pthe vehicle safely as soon as possible,p aying
attention to road and traffic conditions.
XSecure the vehicle against rollinga way (Ypage 120).
XSwitch off the engine.
XClean all sensors (Ypage 234).
XRestartthe engine.
The display message disappears.
Display messages175
On-board computer and displays
Z

Lights
Display messagesPossible causes/consequences andMSolutions
b
Example:CheckL eftLow Beam
The bulb in question is malfunctioning.
XVisitaqualifie dspecialist workshop.
or
XCheckw hether you are permitted to replacet hebulb yourself
(Ypage 88).
iLEDl ight sources :the display message for th ecorresponding
lamp onl yappearsw hen all th eLEDsint helamp have failed.
b
Malfunction SeeOperator'sM anual
The exteriorlighting is malfunctioning.
XVisit aqualifie dspecialist workshop.
b
AutoL ampFunctionInoperative
The light sensor is defective.
XVisitaqualifie dspecialist workshop.
b
Switch Off Lights
The lightsa re still switche donwhen you leave th evehicle .Awarning
tone also sounds.
XTurn th elight switch to position Ã.
Engine
Display messagesPossible causes/consequences and MSolutions
+
CheckCoolantLevelSee Operator'sMan‐ual
The coolant level is to olow.
XAdd coolant ,observingt hewarning notes before doings o
(Ypage 229).
XHav ethe coolant system checked at aqualifie dspecialist workshop
if th ecoolant needs toppingupm oreo ften than usual.
?The fan motor is malfunctioning.
XAt coolant temperatures below drivetot he nearest
qualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in moun-
tainou sterrai nand stop-start traffic.
176Display messages
On-board computer and displays
the marking
H,

Safety
Seat belts
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
üNAfter startin gthe engine, the red seat belt warning lamp lights up for 6seconds.
The seat belt warning lamp reminds the driver and front passenger to fasten their
seat belts.
XFasten your seat belt (Ypage 41).
üN After startin gthe engine, the red seat belt warning lamp lights up. In addition, a
warning tone sounds for up to 6seconds.
The driver's seat belt is not fastened.
XFasten your seat belt (Ypage 41).
The warning tone ceases.
üN The red seat belt warning lamp lights up after the engine starts, as soon as the
driver's or the front-passenger door is closed.
The driver or front passenger has not fastened their seat belt.
XFasten your seat belt (Ypage 41).
The warning lamp goes out.
There are object sonthe front-passenger seat.
XRemove the object sfrom the front-passenger seat and stow them in asecure
place.
The warning lamp goes out.
üN The red seat belt warning lamp flashes and an intermittenta udible warning
sounds.
The driver or front passenger has not fastened their seat belt. The vehicle is being driven faster than 15 mph (25 km/h) or has briefly been driven faster than 15 mph
(25 km/h).
XFasten your seat belt (Ypage 41).
The warning lamp goes out and the intermittentw arning tone ceases.
There are object sonthe front-passenger seat. The vehicle is being driven faster
than 15 mph (25 km/h )orhas briefly been driven faster than 15 mph (25 km/h).
XRemove the object sfrom the front-passenger seat and stow them in asecure
place.
The warning lamp goes out and the intermittentw arning tone ceases.
188Warning and indicator lampsinthe instrument cluster
On-board computer and displays

Engine
Warning/
indicator
lampNSignaltype
Possible causes/consequences and M
Solutions
;NThe yellow CheckE nginew arning lamp lightsupw hile theengine is running.
Therem ay beamalfunction, for example:
Rin th eengine management
Rin th efuel injection system
Rin th eexhaust system
Rin th eignition system
Rin th efuel system
The emission limit values may be exceeded and th eengine may be in emergency
mode.
XVisitaq ualified specialist workshop immediately.
In somes tates, you must immediately visi taqualified specialist workshop as soon
as th eyellow CheckE nginew arning lamp lightsu p. This is due to thelegal require-
ments in effect in these states. If in doubt,c heck whether suchl egal regulations
apply in th estate in whichy ou are currently driving.
8NThe yellow reservef uel warning lamp lightsupw hile theengine is running.
The fuel leve lhas dropped int othe reserver ange.
XRefuel at th enearest gas station.
8NThe yellow reservef uel warning lamp flashes while th evehicle is in motion.
In addition,t he; CheckE nginew arning lamp may light up.
The fuel fille rcap is no tclosed correctly or th efuel system is leaking.
XCheckt hatthe fuel fille rcap is correctly closed.
XIf th efuelfiller cap is not correctly closed: close thefuel fille rcap.
XIf th efuelfiller cap is closed: visitaq ualified specialist workshop.
?NThe red coolant warning lamp lightsupw hile theengine is runnin gand the
coolant temperatur egauge is at th estart of th escale.
The temperatur esensor for th ecoolant temperatur egauge is malfunctioning.
The coolant temperatur eisnolonger beingm onitored. Thereisar isk of engine
damag eifthecoolant temperatur eistoohigh.
XPull ove rand stop th evehicle safely and switch off th eengine ,payinga ttention
to road and traffic conditions. Do no tcontinue driving unde rany circumstances.
XSecure th evehicle against rolling away (Ypage 120).
XConsult aqualified specialist workshop.
194Warning and indicator lamps in th einstrumen tcluster
On-boardc omputer and displays

Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
XIf the coolant temperature gauge is below the Hmarking (Ypag e158) ,drive on
to the next qualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in mountainous terrain
and stop-and-go traffic.
Driving systems
Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
·NThe red distance warning lamp lights up while the vehicleisinm otion.Awarning
tone als osounds.
You are approaching avehicleoras tationary obstacl einyourline of travel at too
high aspeed.
XBe prepared to brake immediately.
XPay carefu lattention to the traffic situation. You may have to brake or take
evasive action.
Further information on DISTRONIC PLUS (
Ypag e132).
196Warning and indicator lamps in the instrument cluster
On-board computer and displays