trailer MERCEDES-BENZ GLC COUPE 2021 Workshop Manual

Display messages
Possible causes/consequences and M MSolutions
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you es tablish the electrical connection tothe trailer, Active Blind Spot Assi stwill be una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page215).
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again.
Ve hicles with Active Steering Assis t:the camera view may be limited bythe windscreen. #
Drive on.
Ve hicles with Active Steering Assis t:ifth e display message does not disappear: #
Stop theve hicle in accordance with the tra ffic conditions. #
Clean the windscreen.
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop.
Active Lane Keeping Assist
Camera view restricted
See Owner's Manual *
Ve hicles without Active Steering Assis t:the camera view is restricted.
Po ssible causes:
R Dirt on the windscreen in the camera's field of vision
R Heavy rain, snow or fog Displ
aymessa ges and warning/indicator lamps 403

Display messages
Possible causes/consequences and M MSolutions
Á Vehicle rising Please wait *T
hevehicle le vel is too lo w.The vehicle will be raised tothe selected vehicle le vel. #
Wait until the display message disappears before pulling away.
Á Please reduce speed *Y
ou are driving toofast forth e selected vehicle le vel. #
Toadjust theve hicle le vel,yo u must not drive at speeds greaterth an 80 km/h. #
Toadjust theve hicle le vel during trailer operation, you must not drive at speeds greaterth an 30 km/h.
Parking Assist Manoeu-
vring assistance limited
See Owner's Manual *T
heParking Assist manoeuvring assis tant is temp orarily una vailable or only partially available. #
Clean all sensors of the parking and camera sy stem (/ page 309). #
Ifth e display message still appears, consult a qualified specialist workshop.
Parking Assist and
PARKTRONIC inoperative
See Owner's Manual *
Ve hicles with Active Parking Assis t:Ac tive Parking Assist and Parking Assist PARKTRONIC are malfunctioning.
Ve hicles without Active Parking Assis t:Pa rking Assist PARKTRONIC is malfunctioning. #
Stop theve hicle in accordance with the tra ffic conditions and restart the engine. #
Ifth e display message still appears, consult a qualified specialist workshop. 406
Display messages and warning/indicator lamps

Instrument display (standard)
Wi
descreen cock pit instrument displ ay Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown.
Indicator and warning lamps:
6 Re
stra int sy stem (/ page 427)
ü Seat belt (/
page 427)
ï Trailer hit ch (/page 428)
Ù Powe rst eering (/ page 428)
ÿ Coolanttemp erature (/ page 430)
; Engine diagnostics (/
page 430)
% Ve
hicles with a diesel engine: pre‐
gl ow
# Electrical
fault (/ page 430)
8 Re
ser vefuel with fuel filler flap loca‐
tion indicator (/ page 430)
! Elect
ric pa rking brake (red)
(/ page 433)
! Electric parking brake (yellow)
(/
page 433)
J Brakes (yellow) (/
page 433)
J Brakes (red) (/
page 433) L
Distance warning (/ page 435)
! ABS (/
page 436)
÷ ESP®
(/ page 436)
å ESP®
OFF (/ page 436)
h Ty
re pressure monitoring sy stem
(/ page 438)
T St
anding lights (/ page127)
L Low beam (/
page127)
K High beam (/
page129)
#! Tu
rn signal lights (/ page129)
R Re
ar fog light (/ page127) 426
Displaymessa ges and warning/indicator lamps

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

ï
Check trailer hit chlock............... .382
h Checktyre(s)................................ 416
! Clean the fuel filter ...................... 388
ÿ Coolant Stop vehicle Switch
engine off..............................................3 86
! currently una vailable See Own‐
er's Manual .......................................... .407
÷ currently una vailable See Own‐
er's Manual .......................................... .408
5 Engine oil le vel cannot be
measured .............................................. 425
5 Engine oil le velRe duce oil le vel.... 424
5 Engine oil le velSt op vehicle
Switch engine off................................... 424
5 Engine oil pressure Stop
Switch off engine.................................. 425
ä Fault Drive at max. 80 km/h........ 404
6 Front left malfunction Consult
wo rkshop (e xample).............................. 371
& inoperative Battery low................ 380 &
inoperative Refuel vehicle ............ 380
& inoperative See Owner's Man...... 380
! inoperative See Owner's Man‐
ual......................................................... 408
÷ inoperative See Owner's Man‐
ual......................................................... 409
T inoperative See Owner's Manual. .410
G Inoperative.................................... 412
: Intellige nt Light Sy stem inoper‐
ative...................................................... 377
Á Key not de tected (red displ ay
messa ge)............................................... 375
Á Key not de tected (white display
messa ge)............................................... 374
: Left dipped beam (e xamp le)........ .376
6 Left windowbag malfunction
Consult workshop (e xample)................ .371
 Lowe ring...................................... 405
: Malfunction See Owner's Man‐
ual......................................................... 376ð
Maximum speed exceeded ........... 399
Ø ..................................................... 420
ç Off................................................3 98
ë Off................................................ 396
ï Operation only possible in
transmission position P......................... 381
! Parking brake See Owner's
Manual .................................................. 391
Á Please reduce speed .................... 406
Ý Please wait 48 V battery charg‐
ing .......................................................... 414
_ Rear left seat backrest not
loc ked (Example)................................... 385
h Rectify tyre pressure..................... 417
Ø Refill Ad Blue See Owne r’s
Manual.................................................. 420
! Release parking brake .................. 394
¸ Replace air cleaner ...................... 388
Á Replace key.................................. 374
8 Reser vefuel le vel......................... 388 448
Index

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

Ad
aptive Highbeam Assist Camera
view restricted See Owner's Manual..... 378
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ...........378
Ad aptive Highbeam Assist inoperative.. .378
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual.................................................. 379
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual......................................................... 379
Ad aptive Highbeam Assist Plus inop‐
erative.................................................. .379
Apply brake todeselect Park (P)
position................................................. 389
Apply brake toselect R......................... 389
Au xilia rybattery malfunction (red
display message) ...................................3 91
Au xilia rybattery malfunction (white
display message) ...................................3 91Beginning eme
rgency stop.................... 400
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ........................ 401
Blind Spot Assist inope rative ................. 402
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual .....402
Cannot start engine See Owner's
Manual................................................... 41 5
Check tyre pressures then restart
Ru n Flat Indicator................................... 419
Cruise contro l and Limiter inope rative.. 397
Cruise control inope rative..................... 397
Cruise control off.................................. 397
Fr ont-passenger airbag disabled See
Owner's Manual....................................3 72
Fr ont-passenger airbag enabled See
Owner's Manual....................................3 72
Haza rdwa rning lamps malfunctioning...3 80
Limi ter inoperative................................ 397
Limiter passive...................................... 397 Mercedes me connect Services limi‐
te
d See Owner's Manual........................4 12
Mo tor can be star ted again.................... 41 5
N permanently active Risk of vehicle
ro lling .................................................... 389
Only select Park (P) when vehicle is
st ationary.............................................. 388
Pa rking Assist and PARKTRONIC
inoperative See Owner's Manual ...........406
Pa rking Assist Manoeuvring assis‐
ta nce limited See Owner's Manual........ 406
Place theke y in the mar ked space
See Owner's Manual..............................3 75
PRE-SAFE inoperative See Owner's
Manual.................................................. 373
Ra dar sensors dirty See Owner's
Manual................................................... 411
Re duce speed ........................................ 41 8
Re versing not poss. Consult work‐
shop......................................................3 90450
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

Live
Traf fic Information
Swit ching the tra ffic information dis‐
play on.................................................. .272
Load compa rtment co ver
Extending/r etra cting............................. 11 4
Re moving/fitting.................................... 11 5
Load compa rtment floor
Locking/unlockin g................................ 12 0
Loading Bag hook................................................ 11 5
Clo thes hook.......................................... 11 6
No tes..................................................... 108
Ro of luggage rack .................................. 12 0
Ti e-down eyes........................................ 11 5
Loading see EA SY-PAC K load-securing kit
Loading guidelines.................................... 108
Loads Securing............................................... .108
Lock ing/unlocking
Ac tivating/deactivating the auto‐
matic locking feature............................... 79
Ad ditional door loc k................................ .76Emergency
key........................................ 80
KEYLESS-GO........................................... .78
Opening theta ilgate................................ 81
Un locking/opening the doors from
th e inside................................................77
Low beam Light adjustment (driving abroad).......... 127
Setting................................................... 13 4
Switching on/of f................................... 127
Lo weri ngtheve hicle
Re ar of theve hicle................................2 20
Lu bricant additives
see Additives
Lu ggage
Lu ggage net........................................... 11 7
Secu ring................................................ 108
Lu mbar support
see Lumbar support (4-w ay)
Lu mbar support (4-w ay)........................... 100 M
Maintenance see ASS YST PLUS Malfunction
Restra int sy stem..................................... 39
Manoeuvring Assist see Trailer Manoeuv ring Assi st
Manoeuvring assistant Activating/deactivating......................... 237
Cross Traf fic Alert................................. 237
Drive AwayAssi st.................................. 236
Map Displaying online map contents............. 272
Displ aying weather information.............2 72
Moving...................................................2 71
Selecting the map orientation............... 271
Setting the map scale............................ 271
Switching mo torw ay information on/
off......................................................... .271
Massage prog rammes
Re setting the settings............................1 02
Selecting the front seats....................... 102
Matt finish (cleaning instructions) ..........307
Maximum gross vehicle weight .............. .355
Maximum speed see Limiter 458
Index

St
ow age space
Armrest.................................................. 111
Centre console....................................... 111
Door....................................................... 111
Glo vecompa rtment................................ 111
Stre etnames and house numbers
Displaying..............................................2 70
Suggestions Configuri ng........................................... 262
Sulphur content........................................ 359
Sur round lighting
Switching on/of f................................... 13 5
Sur round View
see 360° Camera
Suspension Adjusting thech assis le vel (AIR
BO DY CONTROL)...................................2 19
Suspension see AIR BODY CONTROL
SV HC (substances of very high con‐
cern) ............................................................. 32
Switch-off del aytime
Exterio r.................................................. 13 5Interior..................................................
13 6
Synchronisation function Activating/deactivating (control
panel).................................................... 14 4
Ac tivating/deactivating (MBUX mul‐
timedia sy stem).....................................1 44
Sy stem settings
Overview of the sy stem settings
menu.....................................................2 62
Re set function (MBUX multimedia
sy stem)................................................. 266 T
Ta ilgate
Closing.................................................... 81
HANDS-FREE ACCES S............................. 84
Limiting the opening angle......................85
Opening................................................... 81
Un locking (emer gency key)..................... 86
Ta ilpipes (care)......................................... .309
Ta ke -back of end-of-life vehicles
Pr otection of the environmen t................. 22
Ta nk content
Ad Blue ®
................................................ 362 Fu
el........................................................3 61
Re ser ve(fuel)........................................ 361
Te ch nical data
Axle load (trailer operation)...................3 69
Fa stening points (trailer hitch)............... 367
Information............................................ 353
Mounting dimensions (trailer hitch)....... 367
No tes (trailer hitch)............................... 367
Overhang dimension (trailer hitch)........3 67
Re gulatory radio identification.............. 355
To ngue weight...................................... .368
To wing capacity (trailer operation )........ 368
Ve hicle identification plate....................3 55
Te lephone
Connecting a mobile phone (Passk ey)... 276
Connecting a mobile phone (Secure
Simple Pairing)...................................... 276
Fu nctions in thete lephone men u.......... 276
No tes..................................................... 273
Operating modes...................................2 75
Te lephone menu overvie w..................... 275
Wi reless charging (mobile phone).......... 124
Te lephony operating modes
Blue tooth ®
Te lephony........................... .275 Index
467