2021 MERCEDES-BENZ CLA SHOOTING BRAKE sensor

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C.
ÿ
Coolant warning lamp (yel-
low) *T
he yellow coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The charge air, transmission oil or battery cooling is faulty
R The radiator shutters are bloc ked or defective #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop.
; Engine diagnosis warning
lamp *T
he yellow engine diagnostics warning lamp is lit while the engine is running.
A malfunction has occur red in the engine, theex haust system or the fuel system.
The emissions limit value may ha vebeen exceeded and the engine may be running in eme rgency operation mode. #
Have theve hicle checked as soon as possible at a quali/ed specialist workshop.
V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: the fuel tank may ha vebeen run dr y. #
Start the engine thre eto four times aTer refuelling.
If th eye llow engine diagnosis warning lamp goes out, emer gency ope ration mode is cancelled. The vehicle need not
be checked. Display messages and
warning/indicator lamps
485
485

Dr
Dr
iving syst
iving syst ems
ems W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
L
Wa rning lamp for distance
wa rning function *T
he red distance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obstacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the distance.
Fu nction of Active Brake Assist (/ page 244).
Ó Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
Due todirty sensors or a malfunction, the system is not available or thera nge of functions is restric ted. #
Notethe messages on the instrument displa y.
ê
Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
The system is switched o. or thera nge of functions has been automatically restric ted.
This may be the case if the driver is not wearing a seat belt or ano ther driving system has been activated. #
Obser vethe no tes on Active Brake Assist (/ page 244). Display messages and
warning/indicator lamps
489
489

EBD (Electronic Brake
forc e Distribu-
tion).......................................................2 27
HOLD function....................................... 228
Limited braking e.ect (salt-treated
ro ads)................................................... .172
Ne w/replaced brake linings/brake
discs...................................................... 171
Po st-collision brak e.................................. 61
Ru nning-in no tes.................................... 171
Br Br ak
ak es
es
see Recuperation
Br
Br aking assist
aking assist ance
ance
see BAS (Brake Assist System)
Br
Br eakdo
eakdo wn
wn
Assistance overview. ................................ 20
To w- starting........................................... 370
To wing away.......................................... 367
Tr anspo rting theve hicle........................ .368
Wheel chang e........................................ 384
Br
Br ea kdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 282 C
C
Calls
Calls Mercedes me......................................... 314
Camera
Camera Information............................................ 223
Camera
Camera see 360° Camera
see Dashcam
see Reversing camera
Car key
Car key
see Key
Car w Car w ash
ash
see Care
Car w
Car w ash (car
ash (car e)
e)............................................ 343
Car
Car -t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 308
Care
Care 360° camera......................................... 348
Air-water duct........................................ 343
Automatic car wash.............................. .343
Carpet................................................... 349
Decorative foil........................................ 347
Display................................................... 349 Exterior lighting...................................... 348
Head-up display..................................... 349
High-pressure cleaner............................3
45
Pa int...................................................... 346
Plastic trim............................................3 49
Re alwo od/trim elements......................3 49
Re versing camera..................................3 48
Ro of lining............................................. 349
Seat belt................................................ 349
Seat co ver............................................. 349
Sensors................................................. 348
St eering wheel....................................... 349
Ta ilpipes................................................ 348
Tr ailer hitc h............................................ 348
Ve hicle soc ketfo rth e high-voltage
battery................................................... 348
Wa shing byhand.................................... 346
Wheels/rims.......................................... 348
Wi ndo ws................................................ 348
Wi per blades.......................................... 348
Car Car pe
pet (Car
t (Car e)
e)............................................... 349
Changing bulbs
Changing bulbs Dipped beam......................................... 148
Fitting/removing co ver (front wheel
ar ch )...................................................... 147 498 498
Index

:
Intelligent Light System inopera-
tive........................................................ 420
Á Key being initialised Please wait.... 417
Á Key not de tected (red display
message)...............................................4 17
Á Key not de tected (white display
message)...............................................4 17
: LeT dipped beam (e xample).......... 418
6 LeT windowbag malfunction
Consult workshop (e xample).................. 414
: Malfunction See Owner's Man-
ual.........................................................4 19
Û Malfunction Visit workshop ........... 428
d Malfunction.................................. 429
Û Malfunction.................................. 428
ð Maximum speed exceeded ............ 453
ç O................................................. 452
ë O................................................. 449
! Parking brake See Owner's
Manual..................................................4 45d
Performance se verely limited........ 429
6 Please wait Depressurising tank .... 430
& Pre-entry climate control (via
ke y) available again aTer engine start..... 424
& Pre-ent ryclimate cont rol (via
ke y) inoperati veHV-battery low .............. 424
h Rectify tyre pressure ..................... 470
Ú Re/ll AdBlue See Owner ’sMan-
ual ......................................................... 473
! Release parking brake ...................447
¸ Replace air cleaner ....................... 439
Á Replace key.................................. 416
æ Reser vefuel le vel.......................... 439
6 Restraint sys. malfunction Con-
sult workshop ....................................... .412
# See Owner's Manual..................... 466
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual....... 433
Ù Steering malfunction See Own-
er's Manual ............................................ 434 Ù
Steering malfunction Stop
immediately See Owner's Manual ........... 433
d Stop Switch engine o...................4 29
# Stop vehicle Lea veengine run-
ning ....................................................... 468
# Stop vehicle See Owner's Man-
ual......................................................... 467
ç suspended .................................... 451
: Switch o. lights............................ 420
: Switch on headlamps .................... 420
6 Tank is depre ssurisedReady for
re fuelling ............................................... 430
6 Tank ventilation Malfunction
Consult workshop ................................. .430
á temp orarily una vailable Camera
view restric ted....................................... 459
¸ temp orarily una vailable Sensors
dirty....................................................... 458
Ú Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 473 Ind
ex
503 503

+
Top up coolant See Owner ’s
Manual.................................................. 437
¥ Top up washer 0uid...................... .436
u Towing not permitted See Own-
er's Manual ............................................ 425
d Trans. oil overheated Drive on
with care................................................ 442
! Turn on the ignition torelease
th e parking brake ................................... 448
Ú .................................................... 473
d Vehicle is operational Switch o.
ignition before exiting............................. 431
h Warning tyre defect....................... 470
h Wheel sensor(s) missing ................ 469
Ú XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 474
"Electric" drive prog ram cur rently
una vailable............................................. 427 Ac
tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 456
Ac tive Blind Spot Assist inoperative........ 456
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual................................................. .457
Ac tive bonnet malfunction See Own-
er's Manual............................................ 434
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........464
Ac tive Brake Assist Functions limi ted
See Owner's Manual.............................. 465
Ac tive Distance Assist available again ..... 453
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 452
Ac tive Distance Assist inoperative.......... 452
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 457
Ac tive Lane Keeping Assist inoperative... 457 Ac
tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 454
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 454
Ac tive Steering Assist inoperative...........4 54
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ............ 420
Ad aptive Highbeam Assist inoperative ....4 21
Ad aptive Highbeam Assist Plus cur-
re ntly una vailable See Owner's Manual ... 421
Ad aptive Highbeam Assist Plus inop-
erative.................................................. .421
Anti-theT alarm system Malfunction ....... 436
Apply brake todeselect Park (P) posi-
tion....................................................... .440
Apply brake toselect D or R ...................440
Apply brake toselect R .......................... 440
Au xiliary battery malfunction (red dis-
play message) ....................................... .444 504 504
Index

Re
duced drive system per form ance
See Owner's Manual.............................. 427
Re versing not poss. Consult workshop ... 441
Risk of vehicle rolling away App ly
parking brake See Owner's Manual ........ 443
Risk of vehicle rolling awayPa rking
brake not applied See Owner's Manual ... 448
Risk of vehicle rolling Driver door
open and transmission not in P .............. 441
Ru n Flat Indica tor inoperative................. 472
Speed limit (winter tyres) XXX km/h .......453
Speed Limit Assist cur rently una vaila-
ble See Owner's Manual........................ 453
Speed Limit Assist inoperative................ 453
Te aching in transmission comple te......... 443
Te aching in transmission Operate
selector le ver Brake for XX seconds
Risk of vehicle rolling ............................. 442
To shiT out of P or N,depress brake
and start engine.................................... .440 To
switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 437
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 455
Tr a1c Sign Assist inoperative................. 455
Tr ansmission Malfunction ....................... 442
Tr ansmission Malfunction Stop............... 441
Tr ansmission Malfunction Visit work-
shop ...................................................... 443
Ty re press. monitor cur rently una vaila-
ble......................................................... 468
Ty re press. monitor inoperative .............. 468
Ty re press. monitor inoperative No
wheel sensors ........................................ 469
Ty re pressure Check tyres ...................... 471
Ty re(s) ove rheated .................................. 471
Ve hicle not cur rently being charged
Charging station fault............................. 426
Wi per malfunctioning .............................436 Wi
thout changing gear, consult work-
shop ............................................. .428, 441
Wi thout starting engine again, consult
wo rkshop ............................................... 428
Dist Dist ance contr
ance contr ol
ol
see Active Distance Assist DISTRONIC
DIS
DIS TR
TRONIC
ONIC
see Active Distance Assist DISTRONIC
Door
Door Additional door loc k................................. 85
Child saf ety lock (rear door )..................... 79
Locking/unlocking (emer gency key)........ .89
Opening (from inside).............................. .86
Unlo cking (from inside)............................ 86
Door contr
Door contr ol panel
ol panel......................................... 18
Dra
Dra wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .272
Dr
Dr iv
ive position
e position
Engaging................................................ 188
Dr
Dr iv
ive pr
e pr ogr
ogram display
am display .................................. 182 506
506
Index

Dr
Dr
iv
ive pr
e pr ogr
ograms
ams
see DYNAMIC SELECT
Dr
Dr iv
iver's seat
er's seat
see Seat
Dr
Dr iving abr
iving abr oad
oad
Light adjustment (low beam).................. 137
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .224
Ac tive Brake Assist................................. 244
Ad aptive brake lights.............................. 229
BAS (Brake Assist System).................... .225
Cameras................................................2 23
EBD (Electronic Brake forc e Distribu-
tion).......................................................2 27
ESP ®
Crosswind Assist.......................... 226
ESP ®
trailer stabilisation........................ 226
Overview................................................ 223
Ra dar and ultrasonic sensor s................. 223
Re sponsibility......................................... 222
ST EER CONTROL................................... 227
Dr Dr iving syst
iving syst em
em
Suspension with adaptive damping
adjustment............................................ 257 Dr Dr
iving syst
iving syst em
em
see 360° Camera
see Active Blind Spot Assist
see Active Distance Assist DISTRONIC
see Active Emer gency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assist
see Active Steering Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise cont rol
see Driving saf ety sy stem
see HOLD function
see Limi ter
see Parking Assist PARKTRONIC
see Reversing camera
see Speed Limit Assist
see Start-o. assist
see Tra1c Sign Assist
Dr Dr iving tips
iving tips
Driving abroad (low beam light adjust-
ment)..................................................... 137
Gene ral driving tips................................1 72
Ru nning-in no tes.................................... 171 Dr Dr
iving tips
iving tips
see Recuperation
Dr ow
Dr ow siness det
siness det ection
ection
see ATTENTION ASSIST
Dynamic handling contr
Dynamic handling contr ol syst
ol system
em
see ESP ®
(Electronic Stability Prog ram)
D
D YN
YNAMIC SELECT AMIC SELECT
Ad aptive damping adjustmen t................257
Calling up the fuel consum ption indi-
cator...................................................... 184
Con/guring drive prog ram I................... .183
Displaying engine data........................... 184
Displaying vehicle dat a........................... 184
Drive prog ram displa y............................ 182
Drive prog rams..................................... .181
Fu nction................................................ 181
Ope rating.............................................. 182
Selects the drive prog ram...................... 182 E E
E10
E10............................................................. .398
Easy entr
Easy entr y f
y feature
eature
Fu nction/no tes...................................... 117
Setting.................................................. .118 Index
507
507

ESC (Electr
ESC (Electr
onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 226
Tr ailer stabilisatio n................................. 226
ESP
ESP ®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 227
Fu nction/no tes...................................... 225
EU type appr ov
EU type appr oval number
al number ............................. 395
Ext
Ext er
erior lighting
ior lighting
Care..................................................... .348
Ext
Ext er
erior lighting
ior lighting
see Lights F
F
F
F atigue det
atigue det ection
ection
see ATTENTION ASSIST
F
F ir
ir e e
e e xtinguisher
xtinguisher.......................................... 353
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................. 353
Flat to
Flat towing
wing
see Tow- bar system Flat tyre
Flat tyre
MOExtended tyres................................. 354
Notes..................................................... 354
TIREFIT kit.............................................. 356
Wheel chang e........................................ 384
Floor mats
Floor mats................................................... 135
F F oil cov
oil cov er
ering
ing
Ra dar and ultrasonic sensor s................. 223
Fr
Fr ee
ee soTw
soTw are
are................................................. 45
Fr
Fr eq
eq uencies
uencies
Mobile phone......................................... 393
Tw o-w ayradio........................................ 393
Fr Fr ont airbag (dr
ont airbag (dr iv
iver
er , fr
, fr ont passeng
ont passeng er)
er).............. 53
Fr
Fr ont passeng
ont passeng er seat
er seat
see Load compartment
see Seat
Fr Fr ont wheel ar ch
ont wheel ar ch
Fi tting/removing the co ver..................... 147
Fr
Fr ont wheel arc
ont wheel arc h cov
h cover
er
Fi tting/removing.................................... 147
F
F uel
uel
Additives................................................ 399
Diesel.................................................... 399 E10........................................................ 398
Fu
elreser ve........................................... 400
Low outside temp eratures...................... 399
Pe trol..................................................... 398
Quality (diesel )....................................... 399
Quality (petrol)....................................... 398
Re fuellin g.............................................. .191
Sulphur content..................................... 398
Ta nk content.......................................... 400
F F uel consump
uel consump tion indicat
tion indicator
or
Calling up.............................................. 184
F
F unction seat
unction seat
see Door cont rol panel
F
F uses
uses
Before replacing a fuse.......................... 371
Fu se assignment diag ram...................... .371
Fu se box in the boo t.............................. .373
Fu se box in the engine compartment......3 72
Fu se box in the front passenger foot-
we ll........................................................3 72
No tes..................................................... 371 Index
509
509