2018 MERCEDES-BENZ G-CLASS SUV cooling

Re
ar operating unit 1
Sets thete mp erature
2 Display
3 Sets the air flow Operating
the clima tecont rol sy stem Switching clima
tecont rol on/off #
Toswitch on: setthe air flow toleve l 1 or
higher using theH button. #
Toswitch off: setthe air flow toleve l 0 using
th eH button. %
If climate control is switched off, the win‐
do ws may mist up more quickl y.Switch off
climate control only brie fly. Switching
the A/C function on/off via the
cont rol panel The A/C function heats, cools and dehumidifies
th eve hicle's interior air. #
Press the ¿ button.
Switch off the A/C function only brief lyother‐
wise the windo wsmay mist up more quickl y.
Condensation may drip from the underside of
th eve hicle when cooling mode is active. This is
not a sign that there is a malfunction.
The compressor function is deactivated in the
fo llowing cases:
R when driving uphill or downhill at a gradient
of more than 35 %
R when driving across an incline of more than
35 % Ac
tivating/deactivating the A/C function via
the multimedia sy stem Multimedia sy
stem:
4 Vehicle 5
b Climate control 5
A/C
The A/C function heats, cools and dehumidifies
th eve hicle's interior air. #
Activate Oor deacti vate ª the function. Setting climate control
toautomatic mode In auto
matic mode, the set temp erature is con‐
trolled and maintained at a const ant levelby the
air suppl y. #
Press the à button. #
Toswitch tomanual mode: pressthe H
or _ button. Climate control
13 3

*
NO
TEEngine dama gecaused byan
incor rect oil filter, incor rect oil or addi‐
tives #
Do not use engine oils or oil filters
which do not cor respond tothe specifi‐
cations explicitly prescribed forthe
service inter vals. #
Do not alter the engine oil or oil filter in
order toachie velonger change inter vals
th an presc ribed. #
Do not use additives. #
Follow the instructions in the service
inter val display rega rding the oil
ch ange. *
NO
TEDama gecaused bytopping up too
much engine oil To
o much engine oil can damage the engine
or the catalytic con verter. #
Have excess engine oil remo ved at a
qu alified specialist workshop. #
Turn cap 1anti-clockwise and remo veit. #
Top up the engine oil. #
Replace cap 1and turn it clockwise as far
as it will go. #
Check the oil le vel again (/ page377). Checking
the coolant le vel &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. &
WARNING Risk of scalding from hot
coolant
The engine cooling sy stem is pressurised,
particularly when the engine is warm. If you
open the cap, you could be scalded byhot
coolant spr aying out. #
Let the engine cool down before open‐
ing the cap. #
When opening the cap, wear pr otective
gl ove s and saf etygl asses. #
Open the cap slowly torelease pres‐
sure. Maintenance and care
37 9

#
Allow the engine tocool down before
yo uto p up the antif reeze. #
Make sure that no antifreeze spills out
next tothefiller opening. #
Thoroughly clean the antif reeze from
component parts before starting the
ve hicle. *
NO
TEDama gecaused byincor rect cool‐
ant #
Only add coolant that has been pre‐
mixed with therequ ired antifreeze pro‐
te ction.
Information on coolant is available at thefo l‐
lowing locations:
R inthe Mercedes-Benz Specification for
Operating Fluids 310.1
- at http://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo app
R at a qualified specialist workshop *
NO
TEOverheating at high outside tem‐
peratures If an inapp
ropriate coolant is used, the
engine cooling sy stem is not suf ficiently pro‐
te cted against overheating and cor rosion at
high outside temp eratures. #
Alw ays use coolant appr ovedby
Mercedes-Benz. #
Obser vethe instructions in the
Mercedes-Benz Specifications for Oper‐
ating Fluids 310.1. Ha
ve the coolant regularly replaced at a qualified
specialist workshop.
The proportion of cor rosion inhibitor/antifreeze
concentrate in the engine cooling sy stem should
be:
R a minimum of 50% (antifreeze pr otection
down toappr oximately -37 °C)
R a maximum of 55% (antifreeze pr otection
down to-45 °C) Note
s on windscreen washer fluid Obser
vethe no tes on operating fluids
(/ page 429). &
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact wi thhot engine component parts or
th eex haust sy stem. #
Make sure that no windsc reen washer
concentrate spills out next tothefiller
opening. *
NO
TEDama getotheex terior lighting
due tounsuitable windsc reen washer
fl uid Uns
uitable windsc reen washer fluids may
damage the plastic sur face of theex terior
lighting. #
Only use windscreen washer fluids
which are also suitable for use on plas‐ 436
Tech nical da ta

ues depend on
theve hicle tyres and vehicle
we ight.
Obser vethe no tes on driving in mountainous ter‐
ra in (/ page145). All
models
1
1Front 2
2Rear
Wi thout trailer
hitch 30.9°2
9.9°
Wi th trailer hitc h30.9° 25.9° Maximum
gradient climbing ability
The vehicle's gradient climbing ability depends
on thewe ight distribution in theve hicle, thete r‐
ra in conditions and thero ad sur face conditions. The specified
value applies under thefo llowing
conditions:
R theve hicle is ready todrive – fuel tank filled
to 90%, all fluids topped up, with driver
R theLOW RANGE off-road gear of the trans‐
fe r case is engaged
R thero ad sur faces conditions and thus the
traction are good
A gradient climbing ability of 100% cor responds
to an incline of 45°.
Obse rveth e no tes on driving in mountainous ter‐
ra in (/ page145). Model
Maximumgra‐
dient climbing ability
All models 100% Tr
ailer hitch Gene
ral no tes on the trailer hit ch Not all models can be used
for trailer operation
(/ page 222).
Modi fications tothe engine cooling sy stem may
be necessar y,depending on theve hicle model.
The retrofitting of a trailer hitch is only pe rmissi‐
ble if a towing capacity is specified in your vehi‐
cle documents.
Fu rther information can be obtained at a quali‐
fi ed specialist workshop. Te
ch nical da ta439

Display messages
Possible causes/consequences and M
MSolutions
N permanently active Risk
of vehicle rolling *
While theve hicle is rolling or while you are driving, the transmission has been shif tedto position i. #
Depress the brake pedal tostop and, when theve hicle is stationar y,shift the transmission toposition j. #
Tocontinue your journe y,shift the transmission toposition hork.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
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. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away.
To shift out of P or N,
depress brake and start
engine *
Yo u ha veattem ptedto shift the transmission out of position jori into ano ther transmission position. #
Depress the brake pedal. #
Start the engine.
Apply brake to deselect
Park (P) position *
Yo u ha veattem ptedto shift the transmission out of position jand into ano ther transmission position. #
Depress the brake pedal.
Without changing gear,
consult workshop *T
he transmission is malfunctioning. The transmission position can no longer be shif ted. #
When the transmission is in position h, consult aqualified specialist workshop and do not change the trans‐
mission position. #
For all other transmission positions, park theve hicle safely. #
Consult a qualified specialist workshop. 472
Displaymessa ges and warning/indicator lamps

?Coolant
Stop vehicle Switch
engine off ............................................ 465
Cruise contro l and Limiter inope ra‐
tive ....................................................... 461
Cruise control inope rative ................... 460
Cruise control off ................................ 460
!cu rrently unavailable See Own‐
er's Manual ........................................ .449
÷cur rently una vailable See Own‐
er's Manual ........................................ .443
Desert drive progr. active ESP
una vailable See Owner's Manual .........481
ÿ Differe nt. lo cksys.
Malfunction ......................................... 482
ÿ Differe nt. lo cking sys. cooling
down Please wait................................ 484
Dif fere ntial lo ckactive ABS and ESP
not available ........................................ 480
5Engine oil le vel cannot be
measured ............................................ 466 4Engine oil le
velRe duce oil le vel...4 67
4 Engine oil le velSt op vehicle
Switch engine off ................................. 467
4Engine oil pressure Stop Switch
off engine ............................................ 468
Fa ult Drive at max. 80 km/h ...............458
Fo rding not possible Consult work‐
shop ....................................................4 85
6Fr ont left malfunction Consult
wo rkshop (Example) ............................4 54
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 53
Fr ont-passenger airbag enabled See
Owner's Manual ..................................4 52
Fr ont/re ar differe ntial lo cksystem
malfunction ......................................... 479
Gearbox pr otection Limit 30 km/h
Switch off LOW RANGE ....................... 484
b Hazard warning lamps mal‐
functioning .......................................... 490 &inoperative Bat
tery low .............. .488
&inoperative Refuel vehicle ........... 488
&inoperative See Owner's Man. ....487
! inope rative See Owner's Man‐
ual ....................................................... 450
÷inoperati veSee Owner's Man‐
ual ....................................................... 451
Tinoperati veSee Owner's Man‐
ual ....................................................... 447
G Inoperative .................................. 454
bIntellige nt Light System inoper‐
ative ....................................................4 88
ÁKe y not de tected (red displ ay
messa ge).............................................4 78
Á Key not de tected (white dis‐
pl ay messa ge)...................................... 478
b Left dipped beam (Example) ....... 489
6Left windowbag malfunction
Consult workshop (Example) ............... 451
Limiter inoperative ...............................4 61 Index
515

St
op vehicle Lea veengine running
Wa itTransmission cooling ...................472
# Stop vehicle Lea veengine run‐
ning ..................................................... 464
#St opvehicle See Owner's Man‐
ual .......................................................4 65
çsuspended .................................. 459
bSwitch off lights .......................... 489
bSwitch on headla mps.................. 490
To shift out of P or N,depress brake
and start engine .................................. 472
Ø Top up AdBlue Perf.re duced in
XXX miles See Owner's Manual ...........471
Ø Top up AdBlue Perf.re duced:
XXX km/h Nostart in XXX km .............471
To p up coolant See Owner ’sManual ... 464
¥To p upwasher fluid .................... .487
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 457Tr
af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 457
Tr af fic Sign Assi stinope rative ............. 457
Tr ansmission Malfunction Stop ............ 471
! Turn on the ignition torelease
th e parking brake ................................ 443
h Tyre press. monitor cur rently
una vailable .......................................... .476
h Tyre press. monitor inoperative
No wheel sensors ................................ 476
h Tyre press. monitor inoperative ...476
Ty re(s) ove rheated ...............................4 77
h Warning tyre defect .....................474
h Wheel sensor(s) missing ..............476
Wi thout changing gear, consult work‐
shop ....................................................4 72
Distance cont rol
see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance DI
STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Child sa fety lo ck(rear door) .................. 68
Locking (emer gency key) ...................... .76
Opening (from the inside) ......................76
Un locking (emer gency key) .................... 76
Un locking (from the inside) .................... 76
Door cont rol panel .................................... .14
Dr aw bar
see Tow- bar sy stem
Drinks holder see Cup holder
Drive Away Assist .................................... 212
Drive position Engaging ..............................................1 55
Drive prog ram
see G-Mode
Drive prog ram display ............................. 151
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat Index
517