2021 MERCEDES-BENZ GLC COUPE tow

Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
ï Tr ailer tow hit chwarning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational or is swivelling. &
WARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Notethe messages on the multifunction displa y.
If th e trailer hitch is swivelling: #
Wait until the ball neck has reached the operational position. Display messages and
warning/indicator lamps 429

Air-water duct
Keeping free.......................................... 305
Airbag Activation................................................ 39
Fr ont airbag (driver, front passenger)...... 44
Ins tallation locations.............................. .44
Knee airbag............................................ .44
Overview................................................. 44
PA SSENGER AIR BAG indicator lamp....... 49
Pr otection................................................ 46
Re duced pr otection.................................47
Side airba g.............................................. 44
Wi ndow airba g......................................... 44
Airflow Setting................................................... 14 2
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Ambient lighting Setting (MBUX multimedia sy stem)....... 13 5
Android Auto
see Smartphone integration Animals
Pets in theve hicle................................... 72
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door loc k................................ .76
Immobiliser............................................. 93
Anti-theft pr otection
see ATA (anti-theft alarm sy stem)
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay ®
see Smartphone integration
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS
Battery disconnection pe riods.............. 298
Displaying the service due dat e............. 297 Fu
nction/no tes..................................... 297
Re gular maintenance work.................... 297
Special service requ irements................ 297
ATA (anti-theft ala rmsystem)
Deactivating the alarm............................ 94
Fu nction.................................................. 93
Fu nction of interior pr otection................. 94
Priming/deactivating interior pr otec‐
tion..........................................................95
Priming/deactivating tow- aw ay pro‐
te ction..................................................... 94
To w- aw ay protection function.................. 94
AT TENTION ASSI ST
Fu nction................................................. 191
Setting................................................... 19 3
Sy stem limitations................................. 191
At tention assistant
see ATTENTION ASSIST
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights........................... 12 8442
Index

Wi
reless vehicle components.................. 26
Decorative foil (cleaning instructions) .... 308
DeNOx agent see AdBlue ®
De stination entry
En tering a POI or address...................... 269
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection .............................. 30
Diesel Low outside temp eratures..................... 360
No tes....................................................3 60
Digital Owner's Manual .............................. 20
Dinghy towing
see Tow- bar sy stem
DIRECT SELECT le ver
Engaging drive position........................ .168
Engaging neutral................................... .167
Engaging pa rkposition.......................... 16 8
Engaging pa rkposition automatically.... 16 8
Engaging reve rsege ar........................... 167
Fu nctio n................................................ 16 6Display (care)
.............................................3 10
Display (MBUX multimedia sy stem)
Home screen........................................ .255
Operating.............................................. 256
Display (on-board comp uter)
Displ ays on the multifunction displa y.... 251
Displ aymessage
Calling up (on-board compu ter)............. 370
No tes..................................................... 370
Display messages ¯ - - - km/h .................................... .397
ç - - - km/h ..................................... 398
È - - - km/h ..................................... 397
# 12V battery See Owner's Man‐
ual..........................................................4 12
Û 48 V battery See Owner's Man‐
ual.......................................................... 414
: Active Light Sy stem inoperative... 377
¯ AdBlue sy stem fault Emer. op.:
max. XXX mphSt art not poss. in XXX
miles .................................................... .422 ¯
AdBlue sy stem fault Emer‐
ge ncy op. in XXX km See Owner's
Manual.................................................. 421
¯ AdBlue sy stem fault Engine
st art not possible................................. .422
¯ AdBlue sy stem fault See Own‐
er's Manual ............................................ 421
5 Add 1 litre engine oil when
next refuelling ....................................... 423
é ATTENTION ASSIST inoperative ....396
é ATTENTION ASSIS T:Take a
break! .................................................... 396
: Automatic driving lights inoper‐
ative....................................................... 376
Á Changekey bat teries .................... 374
J Check brake fluid le vel................. 395
# Check brake pads See Owner's
Manual.................................................. 395
5 Check engine oil le vel when
next refuelling ....................................... 423 Index
447

6
Restra int sys. malfunction Con‐
sult workshop........................................ 371
# See Owner's Manual..................... 413
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual...... 383
Ù Steering malfunction Stop
immediately See Owner's Manual ......... 383
# Stop vehicle Lea veengine run‐
ning ........................................................ 414
# Stop vehicle See Owner's Man‐
ual..........................................................4 13
Á Stop vehicle Vehicle too low......... 404
ç suspended...................................3 98
: Switch off lights ........................... 377
: Switch on headlamps................... 377
Ø Top up AdBlue Emergency op.
in XXX miles See Owner's Manual......... 420
+ Top up coolant See Owner ’s
Manual.................................................. 386
¥ Top up washer fluid ...................... 385 ï
Trailer coupling in motion .............381
! Turn on the ignition torelease
th e parking brake..................................3 95
d Vehicle is operational Switch
off ignition before exiting....................... 381
Á Vehicle rising Please wait............ .406
Á Vehicle rising................................4 05
h Warning tyre defect..................... .417
h Wheel sensor(s) missing ...............416
Ø XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss................................................ .421
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual ...........402
Ac tive Blind Spot Assi stinope rative ...... 402
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual .................................................. 403
Ac tive bonnet malfunction See Own‐
er's Manual........................................... 384 Ac
tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ........41 0
Ac tive Brake Assi stFunctions limited
See Owner's Manual.............................. 411
Ac tive Dis tance Assi stavailable again ...3 99
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual ...........398
Ac tive Dis tance Assi stinope rative ........ 398
Ac tive Lane Keeping Assist Camera
view restricted See Owner's Manual..... 403
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ...........403
Ac tive Lane Keeping Assist inopera‐
tive........................................................ 403
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops...........................................4 00
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ...........399
Ac tive Steering Assist inoperative ......... 399 Index
449

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

Exterior lighting
Care...................................................... 309
Exterior lighting see Lights F
Fa tigue de tection
see ATTENTION ASSIST
Fire extinguisher........................................ 314
Fi rs t-aid kit (soft sided) .............................314
Flacon Inserting/removin g............................... 14 6
Flat towing
see Tow- bar sy stem
Flat tyre MOEx tended tyres................................. 315
No tes..................................................... 315
TIREFIT kit..............................................3 17
Wheel chang e....................................... .345
Floor mats.................................................. 12 5
Fo g light (enhanced) .................................. 131Fo
il co vering
Ra dar and ultrasonic sensor s................184
Fr ag rance
see Fragrance sy stem
Fr ag rance sy stem
Inserting/removing theflacon...............1 46
Setting................................................... 14 5
Fr ee software.............................................. .37
Fr equencies
Mobile phon e....................................... .354
Tw o-w ayradio.......................................3 54
Fr ont airbag (driver, front passenger).......44
Fr ont passenger seat
see Seat
Fu el
Ad ditives...............................................3 60
Diesel.................................................... 360
E10....................................................... .359
Fu elreser ve........................................... 361
Low outside temp eratures..................... 360
Pe trol..................................................... 359
Quality (diesel)...................................... 360
Quality (p etro l)...................................... 359 Re
fuelling............................................... 171
Sulphur content..................................... 359
Ta nk content.......................................... 361
Fu el consum ption indicator
Calling up.............................................. 16 6
Fu nction seat
see Door cont rol panel
Fu ses
Before replacing a fuse.......................... 331
Fu se assignment diagram...................... 331
Fu se box in the engine compartmen t.... 332
Fu se box in the front passenger foot‐
we ll....................................................... 333
Fu se box in the load compartment........ 334
Fu se box on the dashboard................... 333
No tes..................................................... 331 G
Garage door opener Cleari ngthe memory.............................1 80
Programming buttons............................ 178
Re solving problems...............................1 80
Synchronising thero lling code..............1 79454
Index

Fu
nction................................................ 228
Side impact pr otection..........................2 30
Sy stem limitations................................. 228
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights............................................ .127
Pa rking position
Outside mir rors..................................... 14 0
St oring the position of the passenger
outside mir ror using reve rsege ar.......... 141
Pa rking up.................................................. 183
PA SSENGER AIR BAGstatus display
see Automatic front passenger front
airbag shutoff
Pe destrian pr otection
see Active bonnet (pedestrian pr otection)
Pe rfume
see Fragrance sy stem
Pe rfume vial
see Fragrance sy stem Pe
riod out of use
Ac tivating/deactivating standby
mode.................................................... .183
St andby mode function........................ .183
Pe rm issible axle load ................................ 355
Pe rm itted towing me thods...................... 326
Pe trol .......................................................... 359
Pe ts in the vehicle ....................................... 72
Plastic trim (Care)......................................3 10
Po we r supp ly
Switching on (S tart/S top button).......... 15 2
PRE-SAFE ®
(anticipatory occupant
pr otection)
Fu nction.................................................. 52
PRE-SAFE ®
Sound................................... 52
Re versing measures................................ 52
PRE- SAFE®
PLUS (anticipa tory occu‐
pant pr otection plus)
Fu nction.................................................. 53
Re versing measures................................ 52 Pr
ev entative occupant pr otection sys‐
tem
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Profile Creating a new profile........................... 262
Notes....................................................2 60
Selecting profile options....................... 262
Prog rams
see DYNA MIC SELECT
Pr otection against collision .....................236
Pr otection of the environment
No tes.......................................................22
Ta ke -ba ckof end-of-life vehicles..............22 Q
QR code Rescue card............................................33
Qualified specialist workshop .................... 31462
Index

Snow
chains.............................................. 335
Soc ket (12 V)
Boot/luggage compa rtment.................. 121
Fr ont centre console.............................. 121
Soc ket (230 V)
Re ar...................................................... .122
Software update System updates.....................................2 63
Sound PRE-SAFE ®
Sound................................... 52
Wheels and tyres................................... 335
Sound menu Functions overview...............................2 96
Spare wheel see Emer gency spa rewheel
Specialist workshop
see Qualified specialist workshop
Specific absor ption rate ............................. 26
Speed limit for winter tyres
Setting................................................... 19 6
St andby mode
Ac tivating/deactivating......................... 183Fu
nction................................................ 183
St anding lights.......................................... 127
St art-off assi st
see Optimised acceleration
St art/s top button
Pa rking theve hicle................................1 77
St arting theve hicle...............................1 53
Switching on the po wer supply or
ignition................................................. .152
St art/s top function
see ECO start/ stop function
St arter battery
Charging (Remo teOnline)...................... 154
St arting
see Vehicle
St arting assi stance
see Jump -sta rt connection
St arting-o ffaid
see Hill Start Assist
St ationary heater/ventilation
Displ ays (remo tecontrol)...................... 14 9
Problems (remo tecontrol)..................... 15 0Re
placing the battery (remo tecon‐
trol)....................................................... 14 9
Setting (MBUX multimedia sy stem)....... 14 8
Setting (remo tecontrol)........................ 14 8
Switching on/off (control panel )........... 147
ST EER CONT ROL
Fu nction/no tes..................................... 189
Ste ering wheel
Ad justing (electrically)........................... 105
Ad justing (manually). ............................. 104
Buttons.................................................. 250
Ca re....................................................... 310
Operating the memory function............ 108
St eering wheel heater...........................1 05
Ste ering wheel gearshift paddles............ 16 8
Ste ering wheel heater
Ac tivating/deactivating......................... 105
St ow age areas
see Loading
see Stow age space
St ow age comp artments
see Loading
see Stow age space 466
Index