cooling MERCEDES-BENZ GLC COUPE 2021 Owners Manual

A
Vehicles with THERMATIC air conditioning
contro l panel: ¿switches the A/C func‐
tion on/off (/ page143)
Ve hicles with THERMOTRONIC air condition‐
ing contro l panel:_adjusts the air distri‐
bution, right
B w Setsthete mp erature, right
Re ar operating unit in vehicles with
THERMOTRONIC air conditioning control
panel 1
Setting thete mp erature
2 Display
3 Setting 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 windo ws
may mist up more quickl y.Switch climate con‐
trol off only briefl y. Switching
the A/C function on/off using the
air conditioning control panel The A/C function heats, cools and dehumidi
fies
th eve hicle's interior air. #
Press the¿ button.
Switch off the A/C function only brief ly. Other‐
wise, the windo wscould mist up more quickl y.
Condensation may drip from the underside of
th eve hicle when cooling mode is active. This is
not indicative of a fault. Calling up
the air conditioning menu Calling up
the air conditioning menu using
th e multimedia sy stem #
Select one of thete mp erature displa ysatthe
lo we r edge of the media displa y.
Calling up the air-conditioning menu using
th e but ton on the clima tecont rol panel #
Press the! button on the climate control
panel. Ac
tivating/deactivating the A/C function via
the multimedia sy stem The A/C function heats, cools and dehumidifies
th
eve hicle's interior air. #
Call up the air-conditioning menu
(/ page 143). #
Select First row of seats. #
Select A/C. Clima
tecontrol 14 3

St
arting theve hicle with theke y in the
ma rked space (emer gency operation mode)
If th eve hicle does not start and thePlace the
key in the marked space See Owner's Manual
message appears in the multifunction displa y,
yo u can start theve hicle in emer gency operation
mode. #
Makesure that the mar ked space 2is
em pty. #
Remo vetheke y1 from theke yring. #
Place theke y1 inthe mar ked space 2on
th e symbol 3.
The vehicle will start af ter a short time.
If yo ure mo vetheke y1 from the mar ked
space 2,the engine continues running. For
fur ther engine starts ho wever,th eke y1
must be located in the mar ked space 2on
th e symbol 3during the entire journe y. #
Have theke y1 checked at a qualified spe‐
cialist workshop.
If th eve hicle does not star t: #
place theke y1 inthe mar ked space 2
and lea veitth ere. #
Depress the brake pedal and start theve hi‐
cle using thest art/ stop button.
% You can also swit chon the po wer supp lyor
th e ignition with thest art/ stop button.
Obser veany information rega rding display mes‐
sages that can be displa yed on the multifunction
displa y. St
arting theve hicle via Remo teOnline Serv‐
ices Cooling or heating
theve hicle interior before
st arting the jou rney
Ensu rethefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked.
R the fuel tank is su fficiently full.
R thest ar ter battery is suf ficiently charge d.
Charging thest ar ter battery be fore starting
th e jou rney
If th eve hicle battery is dischar ged, you can
re cei vea message on your smartphone. You can
th en start theve hicle with the smartphone to
ch arge the batter y.The vehicle is automatically
switched off af terte n minu tes. 15 4
Driving and pa rking

Coolant
Note
s on coolant
Obser vethe no tes on operating fluids
(/ page 357). &
WARNING Risk offire ‑ and inju ryfrom
antifreeze
If antifreeze comes into contact with hot
component parts in the engine compart‐
ment, it may ignite. #
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 use 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 https://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.
Proportion of antifreeze concentrate in the
engine cooling sy stem:
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 357). &
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 with hot engine component parts or
th eex haust sy stem. Te
ch nical da ta365

All models
Ve
hicle width exclud‐
ing outside mir rors 18
90 mm
Ve hicle height 1600 mm
Wheelbase 2873 mm We
ights and loads Please obser
vethefo llowing no tesfo rth e speci‐
fi ed vehicle data:
R Items of optional equipment increase the
unladen weight and reduce the pa yload.
R Vehicle-specific weight information can be
fo und on theve hicle identification plate
(/ page 355).
Obser vetheve hicle data specified below :
optional equipment increases the unladen
we ight and reduces the pa yload. Model
Maximumroof load
All models 75kg Tr
ailer hitch Gene
ral no tes on the trailer hit ch Modifications
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. Mounting dimensions
1
Fastening points
2 Overhang dimension
3 Rear axle centre line Te
ch nical da ta367

Engine
Display messages
Possible causes/consequences and M MSolutions
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 theve hicle is in motion. #
Information about switching off the engine while driving (/ page153).
+
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEEngine damage duetoinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Add coolant (/ page 304). #
Have the engine cooling sy stem checked at a qualified specialist workshop.
ÿ
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. 386
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M MSolutions #
Shift the transmission topark position jwhile theve hicle is stationar y. #
Tocontinue driving, select transmission position hork.
Without changing gear,
consult workshop *T
he transmission is malfunctioning. It is no longer possible tochange the transmission position. #
If transmission position his selected, consult a qualified specialist workshop and do not change the transmis‐
sion position. #
For all other transmission positions, park theve hicle safely. #
Consult a qualified specialist workshop.
Reversing not poss. Con-
sult workshop *
The transmission is malfunctioning. It is not possible toselect transmission position k. #
Consult a qualified specialist workshop.
Transmission Malfunction
Stop *
The transmission is malfunctioning. The transmission shifts toneutral iautomatically. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Depress the brake pedal. #
Enga gepark position j. #
Consult a qualified specialist workshop.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away. 390
Display messages and warning/indicator lamps

Setting
the climate style........................ 14 4
Setting the fragrance sy stem.................1 45
Setting theve hicle interior temp era‐
ture........................................................ 14 2
St ationary heater/ ventilation................ 147
Switching on/of f................................... 14 3
Switching there ar wind owheater
on/off................................................... 14 2
THERMATIC contro l panel...................... 14 2
THERMOTRONIC contro l panel..............142
Ve ntilating theve hicle (con venience
opening).................................................. 88
Climate style
Fu nction................................................ 14 4
Setting................................................... 14 4
Clo thes hook .............................................. 11 6
Cockpit Overview................................................... 6
Cof fee cup symbol
see ATTENTION ASSIST
Collision de tection (pa rked vehicle)
Information............................................ 182
Combination switch .................................. 12 9Compu
ter
see On-board computer
Con venience closing ................................... 88
Con venience opening ..................................88
Coolant (engine) Check le vel............................................ 304
No tes....................................................3 65
Cooling see Clima tecontrol
Co pyright..................................................... 37
Cornering light .......................................... .130
Cross Traf fic Alert..................................... 237
Crosswind Assist Function/no tes..................................... 188
Cruise control Activating.............................................. 194
Buttons.................................................. 194
Calling up a spee d................................. 194
Deactivating.......................................... 194
Fu nction................................................ 19 3
Re quirements........................................ 194
Selecting............................................... 194
Setting a speed...................................... 194St
oring a speed.....................................1 94
Sy stem limitations................................. 19 3 D
Dashboa rd
see Cockpit
Data acquisition Vehicle.................................................... 34
Data pr otection rights
Data storage............................................ 37
Data storage
Data pr otection rights............................. 37
Electronic control units........................... 34
Online services........................................ 36
Ve hicle.................................................... 34
Deactivating the alarm (A TA )...................... 94
Deale rship
see Qualified speciali stwo rkshop
Declaration of conformity Electromagnetic compatibility.................26
Jack......................................................... 29
Specific absor ption rate.......................... 26
TIREFIT kit............................................... 30 446
Index

Risk of
vehicle rolling Driver door
open and transmission not in P............. 389
Ru n Flat Indicator inope rative............... .419
Speed limit (winter tyres) XXX km/h..... 399
St op vehicle Lea veengine running
Wa itTransmission cooling .....................390
To shift out of P or N,depress brake
and start engine.................................... 389
To switch off the engine, press
St art/ Stop button for at least 3 sec‐
onds or 3 times. ................................... .386
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual............. 401
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ........................ 400
Tr af fic Sign Assi stinope rative ............... 401
Tr ansmission Malfunction Stop............. 390
Ty re press. monitor cur rently una vail‐
able ........................................................ 41 5
Ty re press. monitor inoperative.............. 41 5Ty
re press. monitor inoperative No
wheel sensors ........................................ 416
Ty re pressure Check tyres .....................419
Ty re(s) ove rheated................................. 41 8
Wi thout changing gear, consult work‐
shop......................................................3 90
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door loc k................................ .76
Child saf ety lock (rear door).................... 70
Locking/unlocking (emer gency key)....... 80
Opening (from inside ).............................. 77
Un locking (from inside).......................... .77
Door cont rol panel....................................... 16
Dr aw bar
see Tow- bar sy stem
Drive Away Assist ...................................... 236 Drive
Away Assist
see Pr otection against collision
Drive position Enga ging................................................1 68
Drive prog ram display ............................... 16 5
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving abroad Light adjustment (low beam)................. 127
Driving saf ety sy stem
ABS (Anti-lock Braking Sy stem).............1 86
Ac tive Brake Assi st................................ 206
Ad aptive brake lights............................. 191
BA S (Brake Assi stSystem).................... 186
Cameras............................................... .184
EBD (Electronic Brake forc e Distribu‐
tion).......................................................1 89
ESP ®
Crosswind Assist.......................... 188
ESP ®
trailer stabilisation.......................1 88
Overview.............................................. .185
Ra dar and ultrasonic sensor s................ 184
Re sponsibility........................................1 84 Index
451

R
Ra dar and ultrasonic senso rs
Damage................................................. 184
Ra dio
Overview of the functions and sym‐
bols....................................................... 293
Ra in-closing feature
Side wind ows.......................................... 87
Sliding sunroof......................................... 91
Ra ising theve hicle
Re ar of theve hicle................................2 20
REA CHregulation........................................32
Re ading lamp
see Interior lighting
Re ading light
Switching on/off with hand mo ve‐
ments.................................................... 260
Re ar door (child saf ety lock)...................... 70
Re ar fog light
Switching on/of f................................... 12 8
Re ar of theve hicle
Lo we ring............................................... 220 Ra
ising.................................................. 220
Re ar seat
see Seat
Re ar seat belt
St atus display......................................... .44
Re ar seat belt status display ..................... 44
Re ar window heater.................................. 14 2
Re ar-view mir ror
Anti-dazzle mode (automatic)................ 14 0
Re ar-view mir ror
see Outside mir rors
Re cycling
see Take -ba ckof end-of-life vehicles
Re ducing agent
see AdBlue ®
Re fuelling
Re fuelling theve hicle............................. 171
Re gistration
Ve hicle.................................................... 32
Re gulatory radio identification................ 355 Re
mo tecont rol (stationa ryheater/
ve ntilation)
Displa ys................................................. 14 9
Problems............................................... 15 0
Re placing the battery............................ 14 9
Setting................................................... 14 8
Re mo teOnline
Charging thest ar ter battery.................. 154
Cooling/heating theve hicle interior...... 154
St arting theve hicle............................... 15 5
Re scue card................................................. 33
Re ser ve
Fu el........................................................ 361
Re set function (MBUX multimedia
sy stem)..................................................... .266
Re set function (MBUX multimedia
sy stem)
see Reset function (MBUX multime‐
dia sy stem)
Re setting (factory setting)
see Reset function (MBUX multime‐
dia sy stem)
Re sidual heat............................................. 14 5 Index
463

Pe
rm issible gross mass........................ .355
VIN........................................................ 355
Ve hicle interior
Cooling or heating (Remo teOnline).......1 54
Ve hicle key
see Key
Ve hicle maintenance
see ASS YST PLUS
Ve hicle sensors
Information............................................ 184
Ve hicle tool kit
TIREFIT kit............................................. .316
To wing eye............................................ 330
Ve ntilating
Con venience opening.............................. 88
Ve ntilation
see Climate cont rol
Ve nts
see Air vents
VIN Identification plate................................ 355
Seat....................................................... 355
Windsc reen........................................... 355 Vi
sion
Demisting windo ws............................... 14 5 W
Wa rning lamp
see Warning/indicator lamp
Wa rning sy stem
see ATA (anti-theft alarm sy stem)
Wa rning triangle
Re moving............................................... 313
Setting up.............................................. 313
Wa rning/indicator lamp
! ABSwarning lamp....................... .436
J Brake sy stem warning lamp
(red)...................................................... 434
J Brake sy stem warning lamp
(yellow).................................................. 433
ÿ Coolant warning lamp................. .430
! Electric parking brake indicator
lamp (red).............................................. 433
# Electrical fault warning lamp........ 432
; Engine diagnosis warning lamp....4 31å
ESP®
OFF warning lamp.............. .437
÷ ESP®
wa rning lamp flashes.......... 436
÷ ESP®
wa rning lamp lights up........ 437
8 Fuelreser vewarning lamp
lights up............................................... .432
Ù Powe rst eering warning lamp
(red)...................................................... 428
6 Restra int sy stem warning lamp.... 427
ü Seat belt warning lamp flashes.... 427
ü Seat belt warning lamp lights
up......................................................... .428
! The electric parking brake (yel‐
low) indicator lamp. ............................... 433
ï Trailer tow hit chwarning lamp..... 429
h Tyre pressure monitoring sys‐
te m wa rning lamp flashes.................... .438
h Tyre pressure monitoring sys‐
te m wa rning lamp lights up................... 439
L Warning lamp for dis tance
wa rning function................................... 435 Index
471