2021 MERCEDES-BENZ CLA SHOOTING BRAKE light

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ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ü
Seat belt warning lamp
lights up *T
he red seat belt warning lamp lights up once theve hicle has star ted.
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp reminds the driver and front passenger tofasten their seat belts. #
Fasten your seat belt (/ page 51).
If yo u ha veplaced objects on the front passenger seat, there d seat belt warning lamp may remain lit. Hybr
Hybr
id syst
id syst em
em W
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ar ning/indicat
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or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
_
Re duced warning lamp
po wer *T
heyellow reduced-po werwa rning lamp is on.
Drive system po wer output is reduced. #
Notethe messages on the instrument displa y.
Ú
System er rorwa rning lamp *T
he red system er rorwa rning lamp is lit while theve hicle is in a state of operational readiness õ.
There is a malfunction in the drive system. #
Notethe messages on the instrument displa y. Display messages and
warning/indicator lamps
481
481

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ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
#
Electrical fault warning lamp *T
hered electrical fault warning lamp is lit.
There is a fault in the electrics. #
Notethe messages on the instrument displa y.
æ
Fu elreser vewarning lamp
lights up *T
he yellow fuel reser vewarning lamp lights up while the engine is running.
The fuel supply has dropped into there ser verange. #
Refuel. 486
486
Display messages and
warning/indicator lamps

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
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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

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ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
÷
ESP ®
wa rning lamp lights up *
The yellow ESP ®
wa rning lamp is lit while theve hicle is running.
ESP ®
is malfunctioning.
Other driving systems and driving sa fety systems (e.g. BAS) may also be malfunctioning. #
Notethe messages on the instrument displa y. &
W
WARNI NG
ARNI NGRisk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot carr y outvehicle stabilisation. In addition, other driving saf ety sy stems are
swit ched o.. #
Drive on carefull y. #
Have ESP ®
ch ecked at a quali/ed specialist workshop. å
ESP ®
OFF warning lamp *
The yellow ESP ®
OFF warning lamp is lit while theve hicle is running.
ESP ®
is deactivated.
Other driving systems and driving sa fety systems may also be inoperative. &
W
WARNING
ARNING Risk of skidding when driving with ESP ®
deactivated
ESP ®
does not act tostabilise theve hicle. The availability of fu rther driving saf ety sy stems is also limi ted. #
Drive on carefull y. #
Deactivate ESP ®
only for as long as the situation requ ires. Display message
s andwarning/indicator lamps
491
491

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W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
h
Ty re pressure monitoring
system warning lamp lights
up *T
he yellow tyre pressure monitoring system warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring system has de tected tyre pressure loss in at least one of the tyres. &
W
WARNING
ARNING Risk of an accident due toinsu1cient tyre pressure
R The tyres can burst.
R The tyres can wearexcessively and/or une venly.
R The driving characteristics as well as the steering 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 tra1c conditions. #
Check the tyre pressure and the tyres. Display messages and
warning/indicator lamps
493
493

Pa
rking.................................................. 269
System limitations..................................2 68
A
A ctiv
ctiv e Ser
e Ser vice Sy
vice Sy st
stem PL
em PL US
US
see ASS YST PLUS
A
A ctiv
ctiv e Speed Limit Assist
e Speed Limit Assist
Display................................................... 239
Fu nction................................................ 239
A A ctiv
ctiv eSt
e St eer
eer ing Assist
ing Assist
Ac tivating/deactivating.......................... 243
Ac tive Emer gency Stop Assist................ 243
Fu nction................................................ 241
System limits......................................... 241
A
A dap
dap tiv
tive br
e br ak
ake lights
e lights .................................... 229
A
A dap
dap tiv
tive cr
e cr uise contr
uise contr ol
ol
see Active Distance Assist DISTRONIC
A
A dap
dap tiv
tive Highbeam Assist
e Highbeam Assist
Ac tivating/deactivating.......................... 143
Fu nction................................................ 142
A
A dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus t Plus
Fu nction................................................ 143
Switching on/o..................................... 144
A
A dBlue
dBlue ®
®
Ad ditives................................................ 401 Capacity................................................ 401
No
tes..................................................... 195
Purit y.....................................................4 01
To pping up............................................ .195
A A dditional door lock
dditional door lock ....................................... 85
A
A dditiv
dditiv es
es
Ad Blue ®
................................................ .401
Engine oil............................................... 402
Fu el....................................................... 399
A A dditiv
dditiv es (A
es (AdBlue
dBlue ®
®
)
)
see AdBlue ®
A
A dditiv
dditiv es (engine oil)
es (engine oil)
see Additives
A
A dditiv
dditiv es (fuel)
es (fuel)
see Fuel
A
A djus
djus ting t
ting t he headlam
he headlam p r
p range
ange ...................... 138
ATer
ATer -sales
-sales ser
service
vice
see ASS YST PLUS
Air conditioning menu
Air conditioning menu Calling up.............................................. 157
Air dis
Air distr tribution
ibution
Setting................................................... 156
Setting (MBUX multimedia system)......... 158 Air inlet Air inlet
see Air-water duct
Air pr
Air pr essure
essure
see Tyre pressure
Air v
Air v ents
ents
Ad justing (front)..................................... 163
Ad justing (rear)...................................... 164
Air v
Air v ents
ents
see Air vents
Air
Air -conditioning syst
-conditioning syst em
em
see Climate cont rol
Air
Air -r
-recir
ecir culation mode (wit
culation mode (wit h
h/ne
/ne
par
par ticle
ticle pr
pre/lt
e/lt er)
er).......................................... 158
Air
Air -w
-wat
ater duct
er duct
Ke eping free.......................................... 343
Airbag
Airbag Activation................................................ 47
Fr ont airbag (driver, front passenger)........ 53
Installation locations................................ 53
Knee airbag............................................. 53
Overview.................................................. 53
PA SSENGER AIR BAG indicator lamp s...... 57
Pro tection................................................ 54
Re duced pr otection.................................. 55 Index
495 495

Side airbag.............................................. 53
Wi
ndow airbag......................................... 53
Air0 ow
Air0ow
Setting................................................... 156
Alar Alar m syst
m syst em
em
see ATA (anti-theT alarm system)
All-wheel dr
All-wheel dr ive
ive
see 4M ATIC
Ambient lighting
Ambient lighting Setting (MBUX multimedia system).........1 45
Andr
Andr oid A
oid A uto
uto
see Smartphone integ ration
Animals
Animals Pets in theve hicle.................................... 81
Anti-loc
Anti-loc k br
k braking syst
aking syst em
em
see ABS (Anti-lock Braking System)
Anti-skid c
Anti-skid c hains
hains
see Sn owchains
Anti-t
Anti-theT heTprot
pr otection
ection
Ad ditional door loc k................................. 85
Immobiliser............................................ 103
Anti-t
Anti-theT heTprot
pr otection
ection
see ATA (anti-theT alarm system) Anticipat
Anticipat
or
ory occupant pr ot
y occupant pr otection
ection
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay
Apple CarPlay ®
®
see Smartphone integ ration
Assist
Assist ance syst
ance syst ems
ems
see Driving saf ety sy stem
ASS YS
ASS YST PL
T PL US
US
Battery disconnection period s................ 337
Displaying the service due dat e.............. 336
Fu nction/no tes...................................... 336
Re gular maintenance work..................... 336
Special service requ irements................. 336
AT
ATA A(anti-t
(anti-theT heTalar
alarm syst
m syst em)
em)
Deactivating the alarm........................... 104
Fu nction................................................ 103
Interior pr otection function.....................1 05
Priming/deactivating interior pr otec-
tion........................................................ 105
Priming/deactivating tow- awa y pro-
te ction................................................... 104
To w- awa y protection function................. 104 A A
TTENTION ASSIST
TTENTION ASSIST
Function................................................ 230
Setting.................................................. .232
System limitations.................................. 230
A
A tt
tt ention assist
ention assist ant
ant
see ATTENTION ASSIST
A
A ut
ut hor
hor ised w
ised w ork
orkshop
shop
see Quali/ed specialist workshop
A
A ut
ut omatic car w
omatic car w ash mode
ash mode
Ac tivating............................................... 345
A
A ut
ut omatic co-dr
omatic co-dr iv
iver airbag
er airbag shut
shuto.
o.
Fu nction of co-driver airbag shuto........... 56
A
A ut
ut omatic dist
omatic dist ance contr
ance control
ol
see Active Distance Assist DISTRONIC
A
A ut
ut omatic dr
omatic dr iving lights
iving lights ................................ 138
A
A ut
ut omatic engine st
omatic engine st art
art
see ECO start/stop function
A
A ut
ut omatic engine st
omatic engine st op
op
see ECO start/stop function
A
A ut
ut omatic fr
omatic fr ont passeng
ont passeng er airbag
er airbagshut
shuto.
o.
PA SSENGER AIR BAG indicator lamp s...... 57
A
A ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
an accident........... .61496
496
Index

A
A
ut
ut omatic mirr
omatic mirr or f
or folding function
olding function
Ac tivating/deactivating.......................... 155
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
DIRECT SELECT le ver............................. 186
Drive prog rams...................................... 181
DY NAMIC SELECT switch....................... 181
Engaging drive position.......................... 188
Engaging reve rsege ar............................ 187
Kickdown............................................... 189
Manual gear changing........................... .188
Selecting park position........................... 187
St eering wheel gearshiT paddles............ 188
Tr ansmission position displ ay................. 186
Tr ansmission position s........................... 186
A A ut
ut omatic tr
omatic tr ansmission (pr
ansmission (problem) oblem)
see Transmission (problem)
Axle load
Axle load Perm issible............................................ 395
Tr ailer operatio n..................................... 410 B
B
Bag hook
Bag hook..................................................... 130
Ball neck Ball neck Folding out/in........................................ 274 B
B
AS (Br
AS (Br ak
ake Assis
e Assist Syst t System)
em)........................... 225
Batt
Batt ery
ery
see High-voltage battery
Batt
Batt er
ery (high-v
y (high-v olt
oltag
age on-boar
e on-boar d electr
d electrical
ical
syst
syst em)
em)
see High-voltage battery
Batt
Batt er
ery (ke
y (ke y)
y)
Re placing................................................. 84
Batt
Batt er
ery (v
y (v ehicle)
ehicle)
Charging (Remo teOnline)......................1 70
No tes..................................................... 359
No tes (starting assis tance and charg-
ing)........................................................ 361
Batt
Batt er
ery oper
y oper ation
ation......................................... 165
Belt
Belt see Seat belt
Bicy
Bicy cle r
cle r ack
ack
Load capacit y........................................ 409
Tr ailer operatio n.................................... .277
Blind Spo
Blind Spo t Assist
t Assist
Ac tivating/deactivating.......................... 255
Fu nction................................................ 252
System limita tions.................................. 252 Blow
Blow
er
er
see Climate control
BlueTEC
BlueTEC see AdBlue ®
Bonnet
Bonnet Function (active bonnet)......................... 337
Opening/closing.................................... 338
Re setting (active bonn et)........................ 337
Boo Boo t lid
t lid
see Tailgate
Br
Br ak
ak e Assis
e Assist Syst t System
em
see BAS (Brake Assist System)
Br
Br ak
ak e
e0uid
0uid
No tes..................................................... 403
Br
Br ak
ak e f
e f or
orce disce distr tribution
ibution
EBD (Elect ronic Brake forc e Distribu-
tion)....................................................... 227
Br
Br ak
ak es
es
ABS (Anti-lock Braking System).............. 224
Ac tive Brake Assist................................. 244
Ad aptive brake lights.............................. 229
BAS (Brake Assist System).................... .225
Driving tips............................................1 72 Index
497 497