engine coolant MERCEDES-BENZ G-CLASS SUV 2018 User Guide

Display messages
Possible causes/consequences and M
MSolutions
# Stop vehicle See Owner's
Manual *T
he battery is no longer being charge d and the battery charge leve l is too lo w.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
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. #
Switch off the engine. #
Consult a qualified specialist workshop.
? *T
hefan mo tor is defective. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
?
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. Display messages and
warning/indicator lamps 465

Display messages
Possible causes/consequences and M
MSolutions #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
8
Reserve fuel level *T
he fuel supply has dropped into there ser verange. #
Refuel. Engine oil
Display messages
Possible causes/consequences and M
MSolutions
5 Engine oil level cannot be
measured *T
he electrical connection tothe oil le vel sensor has been inter rupte d or the oil le vel sensor is faulty. #
Consult a qualified specialist workshop. 466
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
? Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving under any circums tances. #
Obser vethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 501

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (/ page 379). #
Makesure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired. 502
Display messages and warning/indicator lamps

Compu
ter
see On-board computer
Connection status
Displ aying ............................................ 329
Overview ............................................ .329
Connectivity Setting up a hotspot via business tel‐
ephony ................................................ 263
Swit ching transmission of theve hicle
position on/off .................................... 263
Contacts ................................................... 308
Calling up ............................................ 309
Deleting ............................................... 310
Downloading (from mobile phone) ...... 309
Impo rting ............................................ .310
Importing (o verview) .......................... .309
Information .......................................... 308
Making a call ....................................... 310
Na me form at ...................................... .309
Options ................................................ 310
St oring .................................................3 10
Controller Operating ............................................ 254
Con venience closing ................................. 79 Con
venience opening ................................ 79
Coolant (engine) Check le vel .......................................... 379
No tes .................................................. 435
Copyright ................................................... 28
Cross Traf fic Alert .................................... 213
Cruise control .......................................... 186
Ac tivating ............................................ 188
Buttons ................................................ 188
Calling up a speed .............................. .188
Deactivating ........................................ 188
Fu nction .............................................. 186
Re quirements ...................................... 188
Selecting ............................................. 188
Setting a speed ................................... 188
St oring a speed ................................... 188
Sy stem limitations ...............................1 86
Cup holder ................................................ 11 0
Fitting/removing (centre console) ....... 11 0
Re ar .................................................... .111 D
Damage de tection (pa rked vehicle) .......1 76 Dashboa
rd
see Cockpit
Dashboard lighting see Instrument lighting
Data acquisition Vehicle .................................................. 25
Data import/export ................................ 267
Fu nction/no tes ................................... 267
Importing/exporting ........................... 268
Data storage
Electronic control units ........................ .25
Online services ...................................... 27
Ve hicle .................................................. 25
Date Setting the time and date automati‐
cally ..................................................... 262
Deactivating the alarm (A TA).................... 85
Dealership see Qualified specialist workshop
Declaration of conformity Electromagnetic compatibility ............... 22
Jack .......................................................23
Wi reless vehicle components ................22 512
Index

?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

Ne
arField Communication (NFC) .......... 306
Connecting the mobile phone tothe
multimedia sy stem .............................. 306
Information .......................................... 306
Switching Blue tooth ®
audio equip‐
ment .................................................... 346
Swit ching mobile phones .................... 306
Using a mobile phone .......................... 306
Ne utral
Engaging .............................................. 154
NFC see Near Field Communication (NFC)
No n-operational time
Ac tivating/deactivating standby
mode .................................................. .177
St andby mode function ........................ 17 7O
Occupant saf ety
Pe ts in theve hicle ................................. 69
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff see PRE-SAFE
®
(anticipatory occu‐
pant pr otection)
see Restra int sy stem
see Seat belt
Odome ter
see Total dis tance
Off-road drive prog ram
see G-Mode
Off-road driving ....................................... 14 5
Off-road driving see Off-road driving
Off-road ESP ®
see Desert
Oil see Engine oil
On-board computer ................................. 226
Assis tant display menu ........................ 230
Displ aying the service due date ........... 374
Media menu ........................................2 34
Menu designs ...................................... 228
Menu overview .................................... 226
Multifunction display .......................... .229
Na vigation menu ................................. 232 Operating ............................................ 226
Ra
dio menu .........................................2 34
Service menu ...................................... 230
Te lephone menu .................................. 235
Tr ip menu ............................................ 231
On-boa rddiagno stics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .425
No tes .................................................. 425
Tw o-w ayradios .................................... 425
Open-source software .............................. 28
Operating fluids AdBlue ®
............................................... 433
Ad ditives (fuel) .....................................4 31
Brake fluid .......................................... .435
Coolant (engine) .................................. 435
Engine oil ............................................ 434
Fu el (diesel) ......................................... 431
Fu el (petrol) ......................................... 430
No tes .................................................. 429
Wi ndsc reen washer fluid .................... .436 528
Index

Ve
hicle identification plate .................... 427
EU general operating pe rmit number .. .427
Pa int code .......................................... .427
Pe rm issible axle load .......................... .427
Pe rm issible gross mass ...................... .427
VIN ...................................................... 427
Ve hicle key
see Key
Ve hicle maintenance
see ASS YST PLUS
Ve hicle position
Switching transmission on/off ............ 263
Ve hicle tool bag ...................................... .418
Ve hicle tool kit ........................................ .418
Overview ..............................................4 18
Ve ntilating
Con venience opening ............................ 79
Ve nts
see Air vents
Vi deo mode .............................................. 340
Ac tivating ............................................ 338
Ac tivating/deactivating full-screen
mode ................................................... 340 Overview ............................................
.339
Settings ............................................... 340
VIN ............................................................ 427
Identification pla te.............................. 427
Seat ..................................................... 427
Wi ndsc reen ......................................... 427
Vi sion
Demisting windo ws............................. 13 4
Wi ndsc reen heating ............................. 13 5
Vo ice command types (LINGUA‐
TRONIC) .................................................... 238
Vo ice control sy stem
see LINGU ATRO NIC W
Wa rning lamps
see Warning/indicator lamps
Wa rning sy stem
see ATA (anti-theft alarm sy stem)
Wa rning triangle
Re moving ............................................ 392
Setting up ............................................ 392 Wa
rning/indicator lamp
!ABS warning lamp ...................... .496
JBrake sy stem warning lamp
(red) .................................................... .494
J Brake sy stem warning lamp
(yellow) ................................................ 497
?Coolant warning lamp .................. 501
#Elect rical fault warning lamp ...... .500
;Engine diagnosis warning lamp .. .500
åESP ®
OFF warning lamp .............. 494
÷ESP ®
wa rning lamp flashes ........ .493
÷ESP ®
wa rning lamp lights up ...... .496
8Fu elreser vewarning lamp .......... 500
ÐPo werst eering sy stem warning
lamp .................................................... 504
!Re d indicator lamp, elect ric
parking brake applied .......................... 493
6Re stra int sy stem warning lamp .. .498
7Seat belt warning lamp flashes .. .498 Index
541