2021 MERCEDES-BENZ GLC COUPE warning

Driving saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
! ABS warning lamp *T
he yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If an additional warning tone sounds, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
WARNING Thereis a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking.
The steerability and braking characteristics are heavily impaired and the braking dis tance may increase. In addi‐
tion, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. ÷
ESP ®
wa rning lamp flashes *
The yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
One or more wheels ha vereached their grip limit (/ page186). #
Adapt your driving style to suit thero ad and weather conditions. 436
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
÷ ESP ®
wa rning lamp lights
up *
The yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems
are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. å
ESP ®
OFF warning lamp *
The yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deacti vated.
Other driving sy stems and driving saf ety sy stems may also be inoperative. &
WARNING Risk of skidding when driving wi thESP ®
deacti vated
ESP ®
does not act tostabilise theve hicle. The availability of fur ther driving saf ety sy stems is also limited. #
Drive on carefull y. #
Deactivate ESP ®
only for as long as the situation requ ires. Display messages and
warning/indicator lamps 437

Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
If ESP ®
cann otbe activated, ESP ®
is malfunctioning. #
Have ESP ®
ch ecked immediately at a qualified specialist workshop. #
Obser vethe no tes on deactivating ESP ®
(/ page 186). Ty
re pressure moni torWa
rning/indicator lamp
Possible causes/consequences and M MSolutions
h Ty re pressure monitoring
sy stem warning lamp
fl ashes *The
yellow tyre pressure monitor warning lamp (pressure loss/malfunction) flashes for appro ximately one minu te
and then remains lit.
The tyre pressu remonitor is malfunctioning. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
The tyre pressure monitoring sy stem cann otissue a warning if there is pressure loss in one or more of the tyres.
Ty res with insuf ficient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. 438
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up *T
he 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
R The tyres can burs t.
R The tyres can wearexc essively and/or une venly.
R The driving characteristics as well as thesteering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyre pressure and the tyres. Display messages and
warning/indicator lamps 439

Brake Assist
System
see BAS (Brake Assi stSystem)
Brake fluid
No tes....................................................3 64
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion).......................................................1 89
Brakes 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
Driving tips........................................... .157
EBD (Electronic Brake forc e Distribu‐
tion).......................................................1 89
HOLD function....................................... 19 0
Limited braking ef fect (salt-treated
ro ads).................................................... 157
New/replaced brake linings/brake
discs...................................................... 15 5
Ru nning-in no tes.................................... 15 5
Braking assistance see BAS (Brake Assi stSystem) Breakdown
Overview of the help functions................ 18
To w- starting........................................... 331
To wing away.......................................... 327
Tr ansporting theve hicle........................ 329
Wheel chang e....................................... .345
Breakdown see Flat tyre
Buttons Steering wheel...................................... 250 C
Calls Mercedes me......................................... 278
Camera see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care)......................................... 305 Car-to-X-Communication
Displaying hazard warnings.................. .272
Care 360° camera........................................ .309
Air-water duct........................................ 305
Au tomatic car wash............................... 305
Carpe t.................................................... 310
Deco rative foil...................................... .308
Displ ay................................................... 310
Exterior lighting.................................... .309
High-p ressure cleaner........................... 306
Matt finis h............................................. 307
Pa int wo rk.............................................. 307
Plastic trim............................................ 310
Re alwo od/trim elements......................3 10
Re versing camera................................. .309
Ro of lining.............................................. 310
Ru nning boards..................................... 309
Seat belt................................................ 310
Seat co ver............................................. 310
Senso rs................................................. 309
St eering wheel....................................... 310
Ta ilpipes................................................ 309
Tr ailer hit ch........................................... 309
Wa shing byhand................................... 307 444
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

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

L
Lamp see In terior lighting
Lamp (instrument display) see Warning/indicator lamp
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist
LED light see Intelligent Light Sy stem
Le vel control sy stem
see AIR BODY CONTROL
Light adjustment Low beam (driving abroad).................... 127
Light switch Overview............................................... .127
Lighting see In terior lighting
see Lights
Lights Active headla mps.................................. 13 0Ad
aptive Highbeam Assist..................... 13 2
Ad aptive Highbeam Assist Plus............ .133
Au tomatic driving lights........................ .128
Combination switch.............................. .129
Cornering light....................................... 13 0
Driving ab road (low beam light
adjustment).......................................... .127
Fo g light (enhanced)..............................1 31
Haza rdwa rning light s............................ 12 9
Headla mpflashin g................................. 12 9
High beam............................................. 12 9
Intellige nt Light Sy stem......................... 13 0
Light switc h........................................... 127
Low beam..............................................1 27
Mo torw ay mode..................................... 131
Pa rking lights........................................ .127
Re ar fog light......................................... 127
Re sponsibility for lighting sy stems......... 127
Setting low beam................................... 13 4
Setting theex terior lighting switch-
off delay time........................................1 35
St anding lights....................................... 127
Switching the Intelligent Light Sys‐
te m on/of f............................................. 131
Switching the sur round lighting on/
off......................................................... .135 Tu
rn signal indicator.............................. 12 9
Limiter Activating.............................................. 194
Buttons.................................................. 194
Calling up a spee d................................. 194
Deactivating.......................................... 194
Fu nction................................................ 194
Pa ssive mode........................................ 194
Pe rm anent setting................................ .196
Re quirements........................................ 194
Selecting............................................... 194
Setting a speed...................................... 194
St oring a speed.............................. 194, 19 9
Switching off/deacti vating.................... 19 9
Switching on/activating........................ 19 9
Sy stem limitations................................. 194
Limiting speed see Limiter
Limiting the opening angle (tailgate) ........ 85
LINGU ATRO NIC
Fu nction................................................ 257
St arting................................................. 258 Index
457