2019 MERCEDES-BENZ GLC SUV engine coolant

Engine
Display messages
Possible causes/consequences and M
MSolutions
? Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately in accordance with the 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. #
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 impaired. #
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.
+
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEEngine dama gedue toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Add coolant (/ page 481). Display messages and
warning/indicator lamps 57 9

Display messages
Possible causes/consequences and M
MSolutions #
Have the cooling sy stem checked at 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.
To switch off the engine,
press Start/Stop button
for at least 3 seconds or 3
times. *Y
ou ha vepressed thest art/ stop button while driving. #
Toswitch off the engine while driving, see (/ page172).
#
12 V battery See Owner's
Manual * #
Switch off electrical consume rsthat are not required.
To charge the battery: #
Lea vethe engine running for a few minutes, or drive an extended di stance.
*I fth e message appears while the engine is running, this indicates an on-board elect rical sy stem malfunction. #
Consult a qualified specialist workshop.
# See Owner's Manual *T
he battery is not being charge d.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. 580
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.
*Possible 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
continue 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 619

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 481). #
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 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. 620
Display messages and warning/indicator lamps

Del
eting .............................................. .420
Deleting favo urites .............................. .421
Downloading (from mobile phone) ....... 41 8
Importing ............................................. 419
Importing (o verview) ............................ 419
Information .......................................... 41 8
Making a call ........................................4 19
Na me form at ........................................ 419
Options ................................................ 420
Saving as a favo urite .......................... .420
Selecting options for suggestions ........ 420
St oring .................................................4 19
Con venience closing ................................. 91
Con venience opening ................................ 90
Coolant (engine) Check le vel .......................................... 481
No tes ................................................... 547
Cooling see Climate control
Copyright .................................................. .32
Cornering light ........................................ .145
Cross Traf fic Alert .................................. .265 Crosswind Assist
Function/no tes .................................... 215
Cruise control .......................................... 222
Ac tivating ............................................ 224
Buttons ................................................ 224
Calling up a speed ............................... 224
Deactivating ........................................ 224
Fu nction .............................................. 222
Re quirements ...................................... 224
Selecting ............................................ .224
Setting a speed ................................... 224
St oring a speed ................................... 224
Sy stem limitations ...............................2 22
Cup holder Rear .................................................... .133
Cup holder in the centre console
ins talling/ removing (auto matic
transmission) ....................................... 13 2 D
Damage de tection (pa rked vehicle) .......207
Dash cam Starting/ending a video recording ...... 409 Dashboard
see Co ckpit
Dashboard lighting see Instrument lighting
Dashcam Configuring the settings ....................... 41 0
Del eting a video recording ................... 409
Selecting a USB device ....................... 408
Data acquisition Vehicle .................................................. 30
Data import/export ................................ 359
Fu nction/no tes ................................... 359
Importing/exporting ........................... 359
Data storage
Electronic control units ........................ .30
Online services ...................................... 31
Ve hicle .................................................. 30
Date Setting the time and date automati‐
cally ..................................................... 354
Deactivating the ala rm(ATA ).................. 101
Deale rship
see Qualified speciali stwo rkshop 632
Index

¯
AdBlue sy stem fault Engine
st art not possible ................................ 589
¯ AdBlue sy stem fault See Own‐
er's Manual ........................................ .588
5Ad d 1 litre engine oil when next
re fuelling ............................................. 584
Apply brake todeselect Park (P)
position ...............................................5 90
Apply brake toselect R ....................... 590
éAT TENTION ASSIST inoperative ... 568
éAT TENTION ASSIS T:Take a
break! .................................................. 569
bAu tomatic driving lights inoper‐
ative .................................................... 606
Au xilia rybattery malfunction ...............591
Beginning eme rgency stop .................. 572
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ......................573
Blind Spot Assi stinope rative ............... 573Blind Spot Assi
stnot available when
to wing a trailer See Owner's Manual ...5 74
Cann otstart engine See Owner's
Manual ................................................ 582
ÁChan gekey bat teries ...................5 97
J Check brake fluid le vel................ 562
Check brake pads See Owner's Man‐
ual ...................................................... .563
5Che ckeng. oil le v.when next
re fuelling ............................................. 584
ï Checktrailer hitch lo ck(white
display message) .................................5 99
Che cktyre pressu resth en restart
Ru n Flat Indicator ................................ 593
hCheck tyre(s) ............................... 594
!Clean the fuel filter .................... .583
?Coolant Stop vehicle Switch
engine off ............................................ 579
Cruise cont rol and Limiter inope ra‐
tive ...................................................... 577Cruise cont
rol inope rative ................... 577
Cruise cont rol off ................................ 577
! currently una vailable See Own‐
er's Manual ........................................ .555
÷cur rently una vailable See Own‐
er's Manual ........................................ .556
5Engine oil le vel cannot be
measured ............................................ 586
5Engine oil le velRe duce oil le vel...5 85
5Engine oil le velSt op vehicle
Switch engine off ................................ 585
5Engine oil pressure Stop Switch
off engine ............................................ 586
äFa ult Drive at max. 80 km/h .......5 71
6 Front left malfunction Consult
wo rkshop (e xample)............................ 564
Fr ont-passenger airbag disabled See
Owner's Manual ..................................5 65
Fr ont-passenger airbag enabled See
Owner's Manual ..................................5 65 Index
635

ÀRe
placekey See Owner's Man‐
ual ...................................................... .596
ÁRe placekey ................................ .597
8 Reser vefuel le vel........................ 583
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 563
Re versing not poss. Consult work‐
shop ....................................................5 91
Risk of vehicle rolling Driver door
open and transmission not in P ...........590
Ru n Flat Indicator inope rative ............. 593
#See Owner's Manual ................... 580
Speed limit (winter tyres) XXX km/h ...578
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 601
ÙSt eering malfunction Stop
immediately See Owner's Manual .......602
St op vehicle Lea veengine running
Wa itTransmission cooling ...................591 #
Stop vehicle Lea veengine run‐
ning ..................................................... 581
#St opvehicle See Owner's Man‐
ual .......................................................5 81
Á Stop vehicle Vehicle too low ........ 570
ç suspended ................................... 576
b Switch off lights .......................... 606
bSwitch on headlamps .................. 606
To shift out of P or N,depress brake
and start engine .................................. 589
To switch off the engine, press
St art/ Stop button for at least 3 sec‐
onds or 3 times. .................................. 580
ØTo p upAdBlue Emergency op.
in XXX miles See Owner's Manual ....... 587
+To p up coolant See Owner ’s
Manual ................................................ 579
¥ Top up washer fluid .................... .604
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ...........575 Tr
af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ......................574
Tr af fic Sign Assi stinope rative ............. 575
ï Trailer coupling extending… ......... 599
Tr ansmission Malfunction Stop ............ 591
!Tu rnon the ignition torelease
th e parking brake ................................ 559
Ty re press. monitor cur rently una vail‐
able .................................................... .593
Ty re press. monitor inoperative ...........593
Ty re press. monitor inoperative No
wheel sensors .................................... .594
Ty re pressure Check tyres ...................592
Ty re(s) ove rheated ...............................5 95
dVe hicle is operational Switch
off ignition before exiting .................... 599
ÁVe hiclerising Please wait............ 570
Á Vehicle rising ...............................5 69
hWa rning tyre defect .....................595
hWheel sensor(s) missing .............. 594 Index
637

No
n-operational time
Ac tivating/deactivating standby
mode .................................................. .208
St andby mode function ...................... .208
No tifications Centre ................................ 339
Calling up a notification ...................... .340
Editing a notification ............................ 341
Global sea rch (o verview) ...................... 341
Noti fication types ................................ 339
Overview ............................................. 339
Selecting actions for a notification ...... 341
Using theglobal sear ch....................... 342 O
Occupant saf ety
Pe ts in theve hicle ................................. 73
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) see
Restra int sy stem
see Seat belt
Odome ter
see Total dis tance
Off-road driving ........................................ 178
Off-road driving see Off-road driving
Off-road ESP ®
Fu nction/no tes .................................... 214
Off-road light ...........................................1 46
Oil see Engine oil
On-board comp uter................................. 285
Assis tance menu ................................. 289
Displaying the service due date ........... 474
Head-up display menu ........................ .294
Media menu ........................................2 93
Menu designs ...................................... 286
Menu overview .................................... 285
Multifunction display .......................... .287
Na vigation menu .................................. 291
Operate ............................................... 285
Ra dio menu .........................................2 92Service menu ...................................... 288
Te
lephone menu .................................. 293
Tr ip menu ............................................ 289
On-boa rddiagno stics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .537
No tes ................................................... 537
Tw o-w ayradios .................................... 537
Online services Data storage .......................................... 31
Online services see In-Car Of fice
Open-source so ftwa re .............................. 32
Opening the tail gate using your foot
see HANDS-FREE ACCESS
Ope rating fluids
Ad Blue ®
............................................... 544
Ad ditives (fuel) .................................... 543
Brake fluid .......................................... .547
Coolant (engine) .................................. 547
Engine oil ............................................. 545
Fu el (diesel) ......................................... 543 Index
651