2016 MERCEDES-BENZ G-CLASS SUV engine

Display messages
Possible causes/consequence
sand M
MSolutions C There is very little fuel in the fuel tank.
Operation of the auxiliary heating is deactivated.
X You must refuel at the nearest filling station. ¸
Replace Replace
air
aircleaner
cleaner
element
element Veh
icleswithad ieselengine: the engine ai rfilter is dirty and must
be replaced.
X Consult aquali fied specialist workshop. !
Clean the fue
lfil‐
Clean the fuel fil‐
ter ter Veh
icleswithad ieselengine: there is water in the fue lfilter. The
water mus tbed raine doff.
X Consult aquali fied specialist workshop. Ø
Refill AdBlue See Refill AdBlue See
Owner'
sManual
Owner's Manual The AdBlue
®
level has fallen below the reserve range. Awarning tone
also sounds.
X Have AdBlue ®
refilled as soon as possible at aqualified specialist
workshop.
or X Refill AdBlue ®
yourself as soon as possible (Y page 111).Ø
Refill AdBlue No Refill AdBlue No
start in .. km start in .. km The AdBlue
®
level is only sufficient for the indicated distance. Awarn-
ing tonea lso sounds.
X Have AdBlue ®
refilled as soon as possible at aqualified specialist
workshop.
or
X Refill AdBlue ®
yourself immediately (Y page 111).Ø
Refill AdBlue Eng. Refill AdBlue Eng.
start not possible start not possible The AdBlue
®
tank is empty. Awarning tonea lso sounds. You can no
longer start the engine.
X Consult aqualified specialist workshop immediately.
or X Refill AdBlue ®
yourself immediately (Y page 111).Ø
Check AdBlue See Check AdBlue See
Owner's Manual Owner's Manual The AdBlue
®
system is malfunctioning. Awarning tonea lso sounds.
X Consult aqualified specialist workshop. Ø
Eng. start not pos‐ Eng. start not pos‐
sible in ..km sible in ..km The AdBlue
®
system is malfunctioning. Awarning tonea lso sounds.
X Consult aqualified specialist workshop immediately. Ø
Eng. start not pos‐ Eng. start not pos‐
sible sible The AdBlue
®
system is malfunctioning. Awarning tonea lso sounds.
You can no longer start the engine.
X Consult aqualified specialist workshop immediately. 148
Display messagesOn-board computer and displays

Drivin
gsystems Display messages
Possible causes/consequences and
M
MSolutions TC
TC
shift
shift conditions
conditions
not fulfilled
not fulfilled
Apply the brake/ Apply the brake/
parkin gbrake
parking brake The parking brake is not applied and the brake is not depressed. The
transfer case has cancelled the gearshift process and is in Neutral.
There is no connection between the engine and the drive wheels.
X Stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions.
X Depress the brake and apply the parking brake.
X Shift the automatic transmission into neutral position N.
X Make sure all conditions for gear changing are met (Y page 124).
X Repeat the gearshift process. TC malfunction TC malfunction
Visit Visit
workshopApply
workshopApply
parking brake to
parking brake to
park park The transfer case is faulty.
X Do not shift the transfer case.
X When parking, safeguard the vehicle against rolling away
(Y page 113).
X Have the vehicle checked at aqualified specialist workshop. TC shift cancelled
TC shift cancelled
Reactivate Reactivate The transfer case has not performed the gearshift process.
X
Repeat the gearshift process.
X Make sure all conditions for gear changing are met (Y page 124).TC TC
shift
shift conditions
conditions
not fulfilled
not fulfilled
Max. speed 40 km/h Max. speed 40 km/h You have exceeded the maximum speed for the gearshift process.
X Drive more slowly.
X Repeat the gearshift process. TC
TC
shift
shift conditions
conditions
not fulfilled
not fulfilled
Select NEUTRAL gear Select NEUTRAL gear One or more shift conditions has not been met.
X Shift the automatic transmissio ninto neutral position N.
X Repeatt he gearshift process. TC
TC
shift
shift conditions
conditions
not fulfilled
not fulfilled
Max. speed 70 km/h Max. speed 70 km/h You have exceeded the maximum spee
dfor the gearshift process.
X Drive more slowly.
X Repeat the gearshift process. LOW RANGE
LOW RANGE
On On The transfer case is in off-road driving position
LOW RANGE.HIGH RANGE
HIGH RANGE
On On The transfer case is in on-road position
HIGH RANGE.Differential lock
Differential lock
only availabl
ein
only available in
LOW RANGE LOW RANGE The LOW RANGE button was pressed. The transfer case is in off-road
driving position LOW RANGEandadifferential lock is engaged.
X Disengage the differential lock (Y page 125).
X Repeat the gearshift process. Display me
ssages
149On-board compute rand displays Z

Vehicle
Display messages
Possible causes/consequence
sand M
MSolutions To start the
To start the
engine, shift to engine, shift to
either
PorN
either PorN You have attempted to star
tthe engin ewith the transmission in posi-
tion Ror D.
X Shif tthe transmission to position Por N. Auxiliar
ybattery
Auxiliary battery
malfunction malfunction The auxiliary battery for the automatic transmission is no longer being
charged.
X Consult aqualified specialist workshop at the next opportunity.
X Until then,s et the automatic transmission to position Pbefore you
switch off the engine.
X Before leaving the vehicle, apply the parking brake. Apply
Apply
brake
braketo
todese‐
dese‐
lect Park (P) posi‐
lect Park (P) posi‐
tion tion You have attempted to move the transmission selector lever to posi-
tion
D,Ror Nwithout depressing the brake pedal.
X Depress the brake pedal. Apply brake to Apply brake to
select R select R You have attempted to shift from position
Dto position Rwithout
applyingt he brake.
X Depress the brak epedal.
X Shif tthe transmission to position R.A The rear door is open.
G WARNING
When the engine is running, exhaust gases can enter the vehicle inte- rior if the tailgat eisopen.
There is arisk of poisoning.
X Close the rear door. ? The bonnet is open.
Aw
arning tonea lso sounds.
G WARNING
The open bonnet may then block your view when the vehicle is in
motion.
There is arisk of an accident.
X Stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions.
X Secure the vehicle against rolling away (Y page 113).
X Close the bonnet. C At least one door is open.
Aw
arning tone also sounds.
X Close al ldoo rs. Display messages
153On-board computer an ddisplays Z

Display messages
Possible causes/consequence
sand M
MSolutions ^
Rear Rear
left
leftseat
seatback‐
back‐
rest not
rest not
locked lockedorFront right Front right
seat backrest not
seat backrest not
locked locked G
WARNING
The driver's or front-passenger seat backrest is not engaged.
X Push the backrest back until it engages. D
Power steering mal‐ Power steering mal‐
function See Own‐ function See Own‐
er's Manual er's Manual The power steering assistance is faulty.
Aw
arning tonea lso sounds.
G WARNING
You will need to use more force to steer.
There is arisk of an accident.
X Check whether you are able to apply the extras teeringforce
required.
X If you are able to steer safely: carefully drive on toaqualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop. &
inoperative inoperative
Battery
Battery
low
low You have attempted to switch on the auxiliary heating or to activate a
departure time using the on-board computer after operating the aux-
iliary heating twice.
X Let the engine run for ten seconds.
The auxiliary heating is operational again. The on-board voltage is too low. The auxiliary heating has switched
itself off or cannot be switched on (Y page 89).
X Drive for aconsiderable distance.
The battery charges. The auxiliary heating is operational again as
soon as the on-board electrical system voltage is sufficient. &
inoperative Refuel inoperative Refuel
vehicle vehicle There is too little fuel in the fuel tank.T
he auxiliary heating cannot be
switched on (Y page 89).
X Refuel at the nearest filling station. &
inoperative inoperative
See
SeeOwn‐
Own‐
er's Manual
er's Manual The auxiliary heating is temporarily malfunctioning or faulty.
X When the vehicle is on alevel surface and the engine has cooled
down, make up to four attempt stoswitch on the auxiliary heating,
waiting several minutes between each attempt (Y page 89).
X If the auxiliary heating does not switch on, consult aqualified spe-
cialist workshop. ¥
Top up washer fluid Top up washer fluid The washer fluid level in the washer fluid reservoir has dropped below
the minimum.
X Top up the washer fluid (Y page 215).154
Display messagesOn-board computer and displays

Key
Display messages
Possible causes/consequence
sand M
MSolutions Â
Key Key
does
does not
notbelong
belong
to vehicle
to vehicle You have put the wrong key in the ignition lock.
X Use the correct key. Â
Replace key Replace key The key needs to be replaced.
X Consult aqualified specialist workshop. Warning and indi
cator lamps on the
instrument cluster General notes
Some systems carry out aself-diagnosi swhen
the ignition is switched on. Anumber of warning and indicator lamps might tempo
rarily light up
or flas hdurin gthis. This behaviour is non-criti-
cal. Thes ewarning and indicator lamps indicate
am alfunctio nonlyift heylight up or flash after
th ee ngine is started or durin gajourney. Safety
Seat belts Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions ü
N
Onl yfor certain countries: the red seat belt warning lamp lights up for 6seconds
after the engine starts.
The seat belt warning lamp reminds the driver and front passenger to fasten their
seat belts.
X Fasten your seat belt (Y page 34).ü
N
Only for certain countries: the red seat belt warning lamp lights up after the
engine starts. In addition, awarning tone sounds for up to 6seconds.
The driver's seat belt is not fastened.
X Fasten your seat belt (Y page 34).
The warning tone ceases. Warnin
gand indicator lamps on the instrument cluster
155On-boardcomputer and displays Z

Warning/
indicator
lamp
N N
Signa ltype
Possible causes/consequences and M
MSolutions ü
N
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 passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 34).
The warning lamp goes out.
There are objectsont he front-passenger seat.
X Remove the object sfrom the front-passenger seat and stow them in asecure
place.
The warning lamp goes out. ü
N
The red seat belt warning lamp flashes and an intermittent audibl ewarning
sounds.
The driver or passenger has not fastened their seat belt. At the same time, you are
driving faster than 25 km/ho rhave briefly driven faster than 25 km/h.
X Fasten your seat belt (Y page 34).
The warning lamp goes out and the intermittentw arning tone ceases.
There are object sonthe front-passenger seat. At the same time, you are driving
faster than 25 km/ho rhave briefly driven faster than 25 km/h.
X Remove th eobjects from th efront-pa ssenger seat and stow them in asecure
place.
The warning lamp goes out and th eintermittent warning tone ceases. 156
Warning and indicator lamps on th
einstrument clusterOn-boar dcomputer and displays

Safety systems
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions J
N
The red brake system warning lamp is lit while the engine is running.
Aw arning tonea lso sounds.
G WARNING
The brake system is malfunctioning and the braking characteristics may be affec- ted.
There is arisk of an accident.
X If the multifunction display shows adisplay message, please observe this.
X Drive on carefully.
X Consult aqualified specialist workshop. J
N
The yellow brake system warning lamp is lit while the engine is running.
Aw arning tonea lso sounds.
G WARNING
The brake boosting effect is malfunctioning and the braking characteristics may be
affected.
There is arisk of an accident.
X Stop the vehicle safely as soon as possible, paying attention to road and traffic
conditions. Do not continue driving.
X Secure the vehicle against rolling away (Y page 113).
X Consult aqualified specialist workshop.
X Observe the additional display messages on the multifunction display. J
N
The yellow brake system warning lamp is lit while the engine is running.
Aw arning tonea lso sounds.
There is an insufficien tamount of brake fluid in the fluid reservoir.
G WARNING
Brakin gefficienc ymay be impaired.
There is arisk of an accident.
X Stop the vehicle safely as soon as possible, paying attention to road and traffic
conditions. Do not continue driving.
X Secure the vehicle against rolling away (Y page 113).
X Do not top up the brake fluid. Topping up will not correc tthe fault.
X Consult aqualified specialist workshop.
X Observe the additional display messages on the multifunction display. J
N
The red brake system warning lamp is lit while the vehicle is in motion.
You are driving with the parking brake applied.
X Release the parking brake.
The warning lamp goes out and the warning tonec eases.Warning and indicato
rlamps on the instrument cluster
157On-boardcomputer and displays Z

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.
The ABS (Anti-lock Braking System) is malfunctioning.
An additional warning tone indicates that EBD (electronic brake force distribution) 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 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.
If the ABS control unit is faulty, there is also apossibility that other systems, such
as the navigation system or the automatic transmission, will be unavailable. !
N
The red ABS warning lamp is lit while the engine is running.
ABS is temporarily unavailable.
Other driving and driving safety systems may also be unavailable.
Possible causes:
R self-diagnosis is not yet complete
R the on-board voltage may be insufficient
G WARNING
The brake system continues to function normally, but without the functions listed above. The wheels could therefor elock if you brake hard, for example.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergenc ybraking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is arisk of an 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. 158
Warning and indicator lamps on the instrument clusterOn-board computer and displays