2017 MERCEDES-BENZ G-Class Owner's Manual

Tires
Display messagesPossible causes/consequencesand MSolutions
Tirep ressure willbe displayed afterdrivingaf ewminutes
The tire pressure monitor is measurin gthe tire pressure.
XDriv eon.
The tire pressures appear in the multifunctio ndisplay after yo uhave
been drivin gfor afew minutes.
TirePress.MonitorInoperativeThe tire pressure monitor is faulty.
XVisitaq ualified specialis tworkshop.
TireP ressure Moni‐tor Inoperative NoWheel Sensors
The wheels mounted do not have asuitabl etire pressure sensor .The
tire pressure monitor is deactivated.
XMount wheels with suitabl etire pressure sensors.
The tire pressure monitor is activated automaticall yafter drivin gfor
af ew minutes.
Check TiresThe tire pressure in one or mor etiresh asdropped significantly. The
whee lposit ioni ss hown in the multifunctio ndisplay .
Aw arning tone also sounds.
GWARNING
Tire pressures thata retoo lo wposet he following hazards:
Rtheym ayburst, especially as the load and vehicl espeed increase.
Rtheym aywear excessivel yand/or unevenly, which mayg reatly
impai rtire traction.
Rthe drivin gcharacteristics, as well as steerin gand braking ,maybe
greatl yimpaired
There is ariskofana ccident.
XStop the vehicl ewithou tmaking any sudden steerin gorbraking
maneuvers. Pa yattentio ntothe trafficc onditions as yo udoso.
XSecure the vehicl eagain st rolling away (Ypage 120).
XIf there is aflatt ire ,inspect the tire s(Ypage 240).
XCheck the tire pressure (Ypage 257).
XIf necessary,correct the tire pressure.
Displaymessages183
On-boardc omputer andd isplays
Z

Display messagesPossible causes/consequences andMSolutions
WarningTireM al‐functionThe tire pressur einoneor mor etires has dropped suddenly. The whee l
position is shown in th emultifunction display.
Aw arning tone also sounds.
GWARNIN G
Drivin gwithaf lat tire poses ariskoft hefollowin ghazards :
Raflat tire affects th eabilit ytos teer or brak ethe vehicl e
Ryou could lose control of th evehicl e
Rcontinued drivin gwithaf lat tire will caus eexces sive heat build-up
and possibl yafire
There is ariskofana ccident.
XStop thevehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sasyou do so.
XSecur ethe vehicl eagainst rollin gaway (Ypage 120).
XIf there is aflat tire, inspec tthe tires (Ypage 240).
PleaseCorrec tTirePressureThe tire pressur eistoolow in at least on eofthetires ,ort hetire
pressur edifference between th ewheels is to ogreat.
XChec kthe tire pressures at th enexto pportunity (Ypage 257).
XIf necessary, correc tthe tire pressure.
XRestart th etirep ressur emonitor (Ypage 259).
TirePress .Sen‐sor(s) Missin gThere is no signal from th etirep ressur esensor of on eorseveral
wheels. The pressur eoftheaffecte dtired oes no tappear in th emul-
tifunction display.
XHav ethe fault ytirep ressur esensor replace dataqualified special -
ist workshop .
TirePress.Monito rCurrently Unavaila‐ble
Becausethere is interferenc efromas tron gs ource of radi owaves, no
signals from th etirep ressur esensor sare detected. The tire pressur e
monitor is temporarily malfunctioning .
XDrive on.
The tire pressur emonitor restarts automatically as soo nasthe
problem has been resolved.
184Display messages
On-boardc omputer andd isplays

Display messagesPossible causes/consequences andMSolutions
h
TirePressure Warn‐ing,TireM alfunc‐tion
The tire pressur einoneor mor etires has dropped suddenly. The whee l
position is shown on th emultifunction display.
Aw arning tone also sounds.
GWARNIN G
Drivin gwithaf lat tire poses ariskoft hefollowin ghazards :
Raflat tire affects th eabilit ytos teer or brak ethe vehicl e
Ryou could lose control of th evehicl e
Rcontinued drivin gwithaf lat tire will caus eexces sive heat build-up
and possibl yafire
There is ariskofana ccident.
XStop thevehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sasyou do so.
XSecur ethe vehicl eagainst rollin gaway (Ypage 120).
XIf there is aflat tire, inspec tthe tires (Ypage 240).
h
Check Tir ePressure
The tire pressur einoneor mor etires has dropped significantly. The
whee lposition is shown on th emultifunction display.
Aw arning tone also sounds.
GWARNIN G
Tir ep ressures that are to olow pos ethe followin ghazards :
Rthey may burst, especially as th eload and vehicl espeed increase.
Rthey may wear excessivel yand/o runevenly, whic hmay greatl y
impair tire traction .
Rthed rivin gcharacteristics ,aswell as steering and braking ,may be
greatl yimpaire d
There is ariskofana ccident.
XStop thevehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sasyou do so.
XSecur ethe vehicl eagainst rollin gaway (Ypage 120).
XIf there is aflat tire, inspec tthe tires (Ypage 240).
XChec kthe tire pressur e(Ypage 257).
XIf necessary, correc tthe tire pressure.
h
PleaseCorrec tTirePressure
The tire pressur eistoolow in at least on eofthetires ,ort hetire
pressur edifference between th ewheels is to ogreat.
XChec kthe tire pressures at th enexto pportunity (Ypage 257).
XIf necessary, correc tthe tire pressure.
Display messages185
On-boardc omputer andd isplays
Z

Vehicle
Display messagesPossiblecauses/consequences and MSolutions
Shiftto'P'or'N'to Start EngineYouh avea ttempte dtostart the engine with the transmission in posi-
tion Ror D.
XShift the transmission to position Por N.
Auxiliary BatteryMalfunctionThe auxiliary battery for the automatic transmission is no longer being
charged.
XVisit aquali fied specialist workshop at the next opportunity.
XUntil then, set the automatic transmission to position Pbefore you
switch off the engine.
XBefore leaving the vehicle, appl ythe parking brake.
Apply Brake toShift from' P'Youh avea ttempte dtomove the transmission selecto rlev er to posi-
tion D,R or Nwithou tdepressing the brake pedal.
XDepres sthe brake pedal.
Apply Brake toSelect RYo uh avea ttempte dtoshift from position Dto position Rwithout
applying the brake.
XDepres sthe brake pedal.
XShift the transmission to position R.
AThe reardooriso pen.
GWARNING
Whe nthe engine is running ,exhaus tgases can enter the vehicl einte-
rio rift he tailgate is open.
There is ariskofp oisoning .
XClose the reard oor.
?The hoo disopen.
GWARNING
The open hoo dmay block your vie wwhent he vehicl eisinmotion.
There is ariskofana ccident.
XPull overa nd stop the vehicl esafelyass oonaspossible, paying
attentio ntoroada nd traffic conditions.
XSecure the vehicl eagain st rolling away (Ypage 120).
XClose the hood.
CAt leas tone door is open.
Aw arning tone also sounds.
XClose al lthe doors.
186Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
D
Power Steering Mal‐function See Opera‐tor's Manual
The powersteering is malfunctioning .
Aw arning tone also sounds.
GWARNIN G
You will need to use mor eforce to steer .
There is ariskofana ccident.
XCheckwhether you are able to apply th eextra force required.
XIf you ar eabletos teer safely: carefully drive on to aqualified
specialist workshop .
XIf you areunable to steer safely: do notdrive on .Contac tthe
neares tqualified specialist workshop .
Phone No ServiceYour vehicleisoutside th enetwork provider' stransmitter/receiver
range.
XWait until th emobile phone operational readiness symbol appear s
in th emultifunction display.
¥
Check Washer Fluid
The washer flui dlevel in th ewasher flui dreservoir has dropped belo w
th em inimum .
XAddw asher flui d(Ypage 229).
SmartKey
Display messagesPossible causes/consequences and MSolutions
Â
KeyDoesNotBelongto Vehicl e
You haveput th ewrong SmartKey in th eignition lock.
XUse th ecorrect SmartKey.
Â
TakeYourK ey fro mIgnition
The SmartKey is in th eignition lock.
XRemove th eSmartKey.
Â
Obtain aNew Key
The SmartKey needs to be replaced.
XVisit aqualified specialist workshop .
Warning and indicat orlamps in the
instrume nt cluster
Generaln otes
Some systems carry out aself-diagnosis when
th ei gnition is switched on .Therefore ,som e indicator and warning lamp
smay ligh tupor
flas htem porarily. This behavio risnon-criti cal.
These indicator and warning lamp sonlyi ndicat e
am alfunction if they ligh tuporflasha fter start -
ing th eengineorw hilstdriving.
Warning andi ndicator lampsint he instrument cluster187
On-board computera nd displays
Z

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

Safety systems
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
JNCanada only: the red brake system warning lamp is on while the engine is
running.
Aw arning tone also sounds.
GWARNING
The brake system is malfunctioning and the braking characteristics may be affec-
ted.
There is arisk of an accident.
XIf the multifunction display shows adisplay message, please observe this.
XDrive on carefully.
XVisit aqualified specialist workshop.
$JN$ (USA only): the red brake system warning lamp is on while the engine is
running.
J (Canada only): the yellow brake system warning lamp is lit while the engine
is running.
Aw arning tone also sounds.
GWARNING
The brake boosting effect is malfunctioning and the braking characteristics may be
affected.
There is arisk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions. Do not continue driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 120).
XConsult aqualified specialist workshop.
XObserve the additional display messages in the multifunction display.
$JN$ (USA only): the red brake system warning lamp is on while the engine is
running.
J (Canada only): the yellow brake system warning lamp is lit while the engine
is running.
Aw arning tone also sounds.
There is not enough brake fluid in the brake fluid reservoir.
GWARNING
The braking effect may be impaired.
There is arisk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions. Do not continue driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 120).
XDo not add brake fluid. Adding more will not correct the malfunction.
XConsult aqualified specialist workshop.
XObserve the additional display messages in the multifunction display.
Warning and indicator lamp sinthe instrument cluster189
On-board computer and displays
Z

Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
!NThe yellow ABS warning lamp is lit while the engine is running.
ABS (anti-lock braking system) is malfunctioning.
If there is an additionalw arning tone, the EBD (electronic brake force distribution)
is malfunctioning.
Other driving systems and driving safety systems may als omalfunction.
GWARNING
The brake system continues to function normally, but without the functions listed
above. The front and rear wheels coul dtherefore lock if you brake hard ,for exam-
ple.
The steerability and braking characteristics may be severely affected. The braking
distance in an emergency braking situation can increase.
If ESP
®is not operational ,ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XObserve the additionald isplay messages in the multifunction display.
XDrive on carefully.
XVisitaqualified specialist workshopi mmediately.
If the ABS control unit is faulty, there is als oapossibility that other systems ,such
as the navigation system or the automatic transmission, wil lnot be available.
!N The yellow ABS warning lamp is lit while the engine is running.
ABS is temporarily unavailable.
Other driving and driving safety systems may als obeunavailable.
Possible causes are:
RSelf-diagnosi sisnot yet complete.
RThe on-board voltag emay be insufficient.
GWARNING
The brake system continues to function normally, but without the functions listed
above. The wheels coul dtherefore lock if you brake hard ,for example.
The steerability and braking characteristics may be severely affected. The braking
distance in an emergency braking situation can increase.
If ESP
®is not operational ,ESP®is unable to stabilize the vehicle.
There is arisk of an accident.
XCarefully drive on asuitable stretch of road ,making gentle steering movements
at speeds of above 12 mph (20 km/h).
The functions mentioned above are available again when the warning lamp goes
out.
If the warning lamp is still on:
XObserve the additiona ldisplay messages in the multifunction display.
XDrive on carefully.
XVisitaq ualified specialist workshop.
190Warning and indicator lamps in the instrument cluster
On-board computer and displays