2021 MERCEDES-BENZ GLC COUPE ECU

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

Wheels/rims......................................... 309
Wi
ndo ws................................................ 309
Wi per blades.........................................3 09
Carpet (Care).............................................. 310
Changing gears
Manually. ............................................... 16 8
Changing hub caps .................................. .345
Charging Battery (vehicle).................................... 325
USB port................................................ 12 3
Chassis Damping characteristics....................... .217
DY NA MIC BODY CONTROL.................... 217
Chassis le vel (AIR BODY CONT ROL)
Setting.................................................. .219
Child saf ety lock
Re ar door................................................ 70
Re ar side wind ows................................... 72
Child seat App rova l categories................................ .58
At tach ing (no tes).....................................58
Basic instructions.................................... 53
Fr ont passenger seat (no tes)...................68 Fr
ont passenger seat (without auto‐
matic airbag shutoff)...............................68
ISOFIX/i-Size (fitting).............................. 62
No tes on risks and dangers..................... 54
Re commended child restra int sy stems.... 57
Seats suitable for belt-secu redch ild
re stra int sy stems..................................... 65
Seats suitable for i‑Size child
re stra int sy stems..................................... 61
Seats suitable for ISOFIX child
re stra int sy stems..................................... 60
Securing on the co-driver seat................69
Secu ring on there ar seat........................ 66
To pTe ther............................................... 64
Child ren
Av oiding dangers in theve hicle............... 54
Basic instructions.................................... 53
Cho ck
St orage location.................................... 344
Chock see Chock
Cleaning see Care Climate control
Activating/deactivating the A/C
function (contro l panel)........................ .143
Ac tivating/deactivating the A/C
function (MBUX multimedia sy stem)..... 14 3
Ac tivating/deactivating the synchro‐
nisation function (contro l panel)............14 4
Ac tivating/deactivating the synchro‐
nisation function (MBUX multimedia
sy stem).................................................. 14 4
Air-reci rculation mode...........................1 45
Au tomatic control.................................. 14 4
Calling up the air conditioning menu..... 14 3
Climate style function............................1 44
Demi sting the windscreen..................... 14 2
Demi sting windo ws............................... 14 5
Fr ont air vents........................................ 151
Inserting/removing theflacon (fra‐
gr ance sy stem)...................................... 14 6
Ionisation............................................... 14 5
No te...................................................... 14 2
Re ar air vents......................................... 151
Re sidual heat......................................... 14 5
Setting (MBUX multimedia sy stem)....... 14 3
Setting the air distribution..................... 14 2
Setting the air flow ................................. 14 2 Index
445

ST
EER CONTROL................................... 189
Driving sy stem
DY NA MIC BODY CONTROL.................... 217
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Reversing camera
see Traf fic Sign Assi st
Driving tips Driving abroad (low beam light
adjustment).......................................... .127 Gene
ral driving tips.............................. .157
optimised acceleration.......................... 15 6
Ru nning-in no tes.................................... 15 5
Dr ow siness de tection
see ATTENTION ASSIST
DY NA MIC BODY CONT ROL
Chassis.................................................. 217
Dynamic handling cont rol sy stem
see ESP ®
(Elect ronic Stability Prog ram)
DY NA MIC SELECT
Calling up the fuel consum ption indi‐
cator..................................................... .166
Configuri ng drive program I................... 16 5
Displ aying engine dat a.......................... 16 6
Displ aying vehicle dat a.......................... 16 6
Drive program display............................ 16 5
Drive programs...................................... 16 4
Fu nction................................................ 16 4
Operating (DYNAMIC SELECT switch)....1 65
Selecting the drive prog ram.................. 16 5 E
E10 ............................................................ .359 Easy entry
feature
Fu nction/no tes..................................... 106
Easy exitfeature
Fu nction/no tes..................................... 106
EAS Y-PA CK load-securing kit
Ins talling/ removing thete lescopic rod.. 11 9
No tes..................................................... 11 9
EBD (Electronic Brake forc e Distribu‐
tion)
Function/no tes..................................... 189
ECO Assist Function/no tes..................................... 16 2
ECO display Function................................................. 161
ECO start/s top function
Au tomatic engine start.......................... 16 0
Au tomatic engine stop...........................1 60
Operation.............................................. 16 0
Switching off/on.................................... 161
Electric pa rking brake
Applying automaticall y.......................... 180
App lying/ releasing manuall y................. 182
Emergency braking................................ 182
Re leasing automaticall y......................... 181452
Index

Garage door opene
rs
Opening/closing the door.....................1 80
Gearshift recommendation..................... .169
Gene ral operating permit number (EU)... 355
Genuine parts............................................. .23
Genuine wood (Care) ................................ .310
Glide mode................................................. 17 0H
Handbrake see Electric parking brake
Handling characteristics (unusual)......... 335
HANDS-FREE ACCESS ................................ .84
Hazard warning lights.............................. .129
Head restra int
Fr ont (adjusting mechanically)............... 101
Re ar (adjusting).................................... .102
Head-up display Adjusting display elements (on-board
compu ter)............................................. 253
Ad justing the brightness (on-board
computer).............................................2 53Fu
nction................................................ 252
Menu (on-board compu ter)................... 253
Operating the memory function............ 108
Setting the position (on-board com‐
puter)....................................................2 53
Switching on/of f................................... 253
Headlamp flashing.................................... 12 9
Headlamps see Automatic driving lights
Heating see Climate control
Help call see Mercedes-Benz emergency call sy stem
High beam Activating/deactivating......................... 12 9
Ad aptive Highbeam Assist Plus............ .133
High beam see Adaptive Highbeam Assist
High-pre ssure cleaner (care)................... 306
Hill Start Assist......................................... .191
HOLD function Function/no tes..................................... 19 0
Switching on/of f................................... 19 0Home screen (media display)
Overview............................................... 255
Hooking the luggage net .......................... .117 I
i-Size child seat securing sy stem
Fitting..................................................... .62
Seats suitable for attaching..................... 61
Identification pla te
Engine................................................... 355
Ve hicle..................................................3 55
Ignition Switching on (S tart/S top button).......... 15 2
Ignition key
see Key
Immobiliser .................................................. 93
Implied warranty
Ve hicle.................................................... 33
In-Car Of fice
Fe atures................................................ 282
Indicator lamp see Warning/indicator lamp Index
455

Individual drive prog
ram
Con figuring............................................ 16 5
Selecting............................................... 16 5
Inspection see AS SYST PLUS
Instrument clus ter
Fu nction/no tes............................. 248, 24 9
Instrument display Function/no tes..................................... 24 9
Instrument clus ter................................... 10
Wa rning/indicator lamps...................... 425
Instrument display and on-boa rd
compu ter
Fu nction/no tes..................................... 24 8
Intelligent Light Sy stem
Ac tivating/deactivating......................... 131
Ac tive headla mps.................................. 13 0
Ad aptive Highbeam Assist..................... 13 2
Ad aptive Highbeam Assist Plus............ .133
Cornering light....................................... 13 0
Fo g light (enhanced)..............................1 31
Mo torw ay mode..................................... 131
Overview............................................... 13 0Interior lighting
Adjusting............................................... 13 5
Ambient lighting.................................... 13 5
Re ading lam p......................................... 13 5
Switch-off del aytime............................. 13 6
Interior pr otection
Fu nction.................................................. 94
Priming/deactivating.............................. 95
Internet radio
see TuneIn
Ionisation Activating/deactivating (MBUX mul‐
timedia sy stem).....................................1 45
iPhone ®
see Smartphone integration
ISOFIX child seat anchor
Seats suitable for attaching..................... 60
ISOFIX child seat securing sy stem
Fitting..................................................... .62 J
Jack Declaration of conformity........................ 29 St
orage location.................................... 344
Jump-start connection General no tes........................................ 323 K
Key Acoustic locking verification signal.......... 74
Battery.................................................... 75
Deactivating a function............................ 74
Emergency key........................................ 75
Energy consumption................................ 74
Fu nction overview.................................. .73
Ke yring attachment................................ 75
Problem................................................... 76
Un locking setting.................................... .74
KEYLESS-GO Deactivating a function............................74
Locking/unlocking theve hicle................78
Problem................................................... 79
Un locking setting.................................... .74
Kickd own
Using.....................................................1 70
Knee airbag................................................. .44456
Index

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

Re
stra int sy stem
Basic instructions forch ildren................ .53
Fu nction in an accident........................... 39
Fu nctionality............................................ 38
Malfunction............................................. 39
Pr otection................................................ 38
Re duced pr otection.................................38
Self-test................................................... 38
Wa rning lamp......................................... .38
Re versege ar
Inserting................................................ 167
Re versing camera
Care..................................................... .309
Fu nction................................................ 221
Opening the camera co ver (360°
Camera)................................................ 228
Switching auto matic operation
on/off (360° Camera)........................... 228
Rims (care)................................................. 309
Ro llaw ay protection
see HOLD function
Ro ller sunblind
Side windo ws.......................................... 92
Ro of lining (care) ...................................... .310 Ro
of load .................................................... 367
Ro of load display
In fo rm ation............................................ 16 4
Ro of luggage rack
Loading.................................................. 12 0
Secu ring................................................ 12 0
Ro ute
Calculating............................................ 270
Selecting options................................... 270
Ro ute guidance with augmented real‐
ity
Activating.............................................. 270
Displ aying stre et names and house
numbe rs................................................ 270
Ro ute-based speed adaptation
Fu nction................................................ 201
Setting................................................... 202
Ru n-flat characteristics
MOExtended tyres................................. 315
Ru nning boards (care).............................. 309
Ru nning-in no tes....................................... 15 5 S
Saf ety sy stems
see Driving saf ety sy stem
Saf etyve st................................................. 313
Sear chlight
Swit ching on/off with hand mo ve‐
ments.................................................... 260
Seat 4-waylumbar suppor t........................... 100
Ad justing (electrically)........................... 100
Ad justing (manually and electrically)....... 97
Ad justing (Seat Comfort)........................ .99
Con figuring the settings........................ 102
Cor rect driver's seat position.................. 96
Fo lding back the backrest (rear)............ 11 3
Fo lding the backrest forw ards (rear)...... 111
Locking the backrest (rear).................... 11 3
Operating the memory function............ 108
Re setting the settings............................1 02
Setting options........................................ 16
Seat belt Activating/deactivating seat belt
adjustment.............................................. 44
Ad justing the height................................ 42 464
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