2016 MERCEDES-BENZ G-CLASS SUV Owners Manual

Display messages
Possible causes/consequence
sand M
MSolutions TC NEUTRAL
TC NEUTRAL
On On The transfer case is in position
Neutral.
Aw arning tonea lso sounds when the driver's door is open and the
brake pedal is not depressed.
X Close the driver's door.
X Secure the vehicle against rolling away (Y page 113).
X Switch the transfer case depending on the driving situation
(Y page 124). Preselected differ‐
Preselected differ‐
ential lock ential lock
ESP unavailable ESP unavailable Ad
ifferential lock wa sengaged .The differential gea rsystem ha snot
ye tloc ked the respective differential .The activatio nindicator lamp
(yellow) (Y page 125) on the switch lights up.
ESP ®
is unavailable.
ABS is still available. Differential lock
Differential lock
active active
ABS ABS
and
andESP
ESPunavail‐
unavail‐
able
able Ad
ifferential lock wa sengaged and the differential gea rsystem has
not ye tloc ked the respective differential .The yellow activatio nindi-
cato rlam pand red functio nindicator lamp (Y page 125)onthe switch
lights up.
ABS and ESP ®
are unavailable. Tyres
Display messages
Possible causes/consequence
sand M MSolutions Tyre pressure dis‐
Tyre pressure dis‐
played after
afew
played after afew
minutes of driving minutes of driving The tyre pressure monitor is measuring the tyre pressure.
X Drive on.
The tyre pressures appear in the multifunction display after you
have been driving for afew minutes. Tyre Tyre
press.
press. monitor
monitor
inoperative
inoperative The tyre pressure monitor is faulty.
X Consult aqualified specialist workshop. Tyre
Tyre
press.
press. monitor
monitor
inoperative No
inoperative No
wheel sensors wheel sensors The wheels fitted do not have suitable tyre pressure sensors. The tyre
pressure monitor is deactivated.
X Fit wheels with suitable tyre pressure sensors.
The tyre pressure monitor is activated after driving for afew
minutes. 150
Display messagesOn-board computer and displays

Display messages
Possible causes/consequence
sand M
MSolutions Check tyres
Check tyres The tyre pressure in one or more tyres has dropped significantly. The
wheel position is shown in the multifunction display.
Aw arning tonea lso sounds.
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 If there is aflat tyre, inspect the tyres (Y page 224).
X Check the tyre pressure (Y page 239).
X If necessary, correc tthe tyre pressure. Warning tyre defect Warning tyre defect The tyre pressure in one or more tyres has dropped suddenly. The
wheel position is shown in the multifunction display.
Aw
arning tonea lso sounds.
G WARNING
If you drive with aflat tyre, there is arisk of the following hazards:
R af lat tyre impairs the ability to steer or brake the vehicle
R you could lose control of the vehicle
R continued driving with aflat tyre will cause excessiv eheat build-up
and possibly afire
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 If there is aflat tyre, inspect the tyres (Y page 224).Rectify tyre pres‐ Rectify tyre pres‐
sure sure The tyre pressure is too low in at least one of the tyres, or the tyre
pressure differenc ebetween the wheels is too great.
X Check the tyre pressures at the next opportunit y(Ypage 239).
X If necessary, correc tthe tyre pressure.
X Restart the tyre pressure monitor (Y page 241).Wheel sensor(s)
Wheel sensor(s)
missing missing There is no signal from the tyre pressure sensor of one or several tyres.
The pressure of the affected tyre does not appear in the multifunction
display.
X Have the faulty tyre pressure sensor replaced at aqualified spe-
cialist workshop. Display me
ssages
151On-board compute rand displays Z

Display messages
Possible causes/consequence
sand M
MSolutions Tyre
Tyre
press.
press. monitor
monitor
currently unavaila‐
currently unavaila‐
ble ble No signals can be received from the tyre pressure sensors due to
strong RF interference. The tyre pressure monitor is temporarily mal-
functioning.
X Drive on.
The tyre pressure monitor restarts automatically as soon as the
cause has been rectified. h
Tyre pressure Cau‐ Tyre pressure Cau‐
tion, tyre malfunc‐ tion, tyre malfunc‐
tion tion The tyre pressure in one or more tyres has dropped suddenly. The
wheel position is shown on the multifunction display.
Aw
arning tonea lso sounds.
G WARNING
If you drive with aflat tyre, there is arisk of the following hazards:
R af lat tyre impairs the ability to steer or brake the vehicle
R you could lose control of the vehicle
R continued driving with aflat tyre will cause excessiv eheat build-up
and possibly afire
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 If there is aflat tyre, inspect the tyres (Y page 224).h
Tyre Tyre
pressure
pressure Check
Check
tyre(s)
tyre(s) The tyre pressure in one or more tyres has dropped significantly. The
wheel position is shown on the multifunction display.
Aw arning tonea lso sounds.
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 If there is aflat tyre, inspect the tyres (Y page 224).
X Check the tyre pressure (Y page 239).
X If necessary, correc tthe tyre pressure. h
Rectify tyre pres‐ Rectify tyre pres‐
sure sure The tyre pressure is too low in at least one of the tyres, or the tyre
pressure differenc ebetween the wheels is too great.
X Check the tyre pressures at the next opportunit y(Ypage 239).
X If necessary, correc tthe tyre pressure. 152
Display messagesOn-board computer and displays

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