2022 MERCEDES-BENZ E-CLASS CABRIOLET warning lights

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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 45).
If yo u ha veplaced objects on the front passenger seat, there d seat belt warning lamp may remain lit. V
V
ehicle
ehicle W
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Po we r steering warning
lamp (red) *T
he red po wer steering warning lamp is lit while theve hicle is running.
The po wer assistance or the steering itself is malfunctioning. &
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WARNING
ARNING Risk of accident if steering capability is impaired
If th e steering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and tra1c conditions. Do not
continue driving under any circums tances. #
Consult a quali/ed speciali stwo rkshop. #
Notethe messages on the instrument displa y. Display messages and
warning/indicator lamps
433
433

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or lam pP ossible causes/conseq
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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.
8
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. Display messages and
warning/indicator lamps
437
437

Dr
Dr
iving syst
iving syst ems
ems W
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ar
ar ning/indicat
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or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
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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 208).
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 ano ther driving system has been activated. #
Obser vethe no tes on Active Brake Assist (/ page 208).
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.440
440
Display message
s andwarning/indicator lamps

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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 #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed specialist workshop. ÷
ESP ®
wa rning lamp 0ashes *
The yellow ESP ®
wa rning lamp 0ashes while theve hicle is in motion.
One or more wheels ha vereached their grip limit (/ page 188). #
Adapt your driving style tosuit thero ad and weather conditions.
÷ 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. &
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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. 442
442
Displ
aymessages and warning/indicator lamps

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T
yr
yr e pr
e pr essur
essur e monit
e monit or
or W
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or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
h
Ty re pressure monitoring
system warning lamp 0ashes *The
yellow tyre pressure monitor warning lamp (pressure loss/malfunction) 0ashes for appr oximately one minute and
th en remains lit.
The tyre pressure monitor is malfunctioning. &
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WARNING
ARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
Ty res with insu1cient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring system checked at a quali/ed specialist workshop. 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. &
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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.444
444
Display message
s andwarning/indicator lamps

Fu
nction................................................ 214
BlueT
BlueT ec
ec
Ad Blue ®
................................................ .176
Bluet
Bluet ooth
oo th®
®
................................................... 279
Bonnet
Bonnet
Active bonnet......................................... 301
Opening/closing.................................... 301
Boo
Boo t lid
t lid
Closing.................................................... 84
HANDS-FREE ACCESS............................. 85
Locking separatel y................................... 86
Opening dimensions.............................. 369
Opening/closing...................................... 84
Boo
Boo t separ t separ at
ator
or
Closing.................................................... 89
Opening................................................... 89
Br Br ak
ak e Assist
e Assist
Brake Assist System (BAS)..................... 188
Br
Br ak
ak e Assis
e Assist Syst t System
em,BAS
Ac tive Brake Assist................................. 208
Br
Br ak
ak e
e/ttings
/ttings ................................................ 158
Br
Br ak
ak e
e0uid
0uid.................................................... 367 Br
Br ak
ak e f
e f or
orce dis
ce distr tribution
ibution, EBD........................ 190
Br
Br ak
ak e lam
e lam ps
ps
Ad aptive brake lights.............................. 192
Br
Br ak
ak es
es
ABS (Anti-lock Braking System).............. 188
ABS, BAS, EBD....................................... 187
Ac tive Brake Assist................................. 208
Ad aptive brake lights.............................. 192
Driving tips............................................ 160
HOLD function...................................... .191
Limited braking e.ect (salt-treated
ro ads)................................................... .160
Ne w/replaced brakepads/brake disk s... 158
Ru nning-in no tes.................................... 158
Br
Br aking assist aking assist ance
ance, Brake Assist System...... 188
Br
Br eakdo
eakdo wn
wn
Flat tyre................................................. 319
Overview of aids...................................... 16
To w- starting........................................... 334
To wing away.......................................... 330
Tr anspo rting theve hicle........................ .332
Wheel chang e........................................ 348 C C
Calls
Calls Mercede s me......................................... 279
Camera
Camera 360° Camera........................................ .225
Information............................................1 86
Re versing camera..................................2 22
Selecting the view.................................. 229
Car key
Car key.......................................................... 76
Car w
Car w ash
ash...................................................... 307
Car
Car -t
-to-X communication
o-X communication
Hazard warnings.................................... 273
Care
Care 360° Camera......................................... 313
Air/water duct....................................... 307
Au tomatic car wash.............................. .307
Car parts............................................... 313
Decorative foil........................................ 310
Display................................................... 314
Draught stop.......................................... 312
Exterior lighting...................................... 313
Fo lding draught stop.............................. 312
Head-up display..................................... 314 Index
449 449

Climat
Climat
e contr
e contr ol
ol
A/C function......................................... 146
Ac tivating/deactivating.......................... 145
Ac tivating/deactivating the A/C func-
tion (control panel).................................1 45
Ac tivating/deactivating the synchro-
nisation function (control panel).............1 46
Au tomatic control................................. .146
Calling up the air conditioning menu....... 145
Climate style function............................ 146
Demisting the windscreen...................... 144
Demisting windo ws................................ 147
Fr ag rance system.................................. 147
Fr ont air vents........................................ 153
Inserting/removing the 0acon (fra-
gr ance system)...................................... 148
Ionisatio n............................................... 147
No tes..................................................... 144
Re ar air vents......................................... 153
Re sidual heat......................................... 147
Setting (MBUX multimedia system)......... 145
Setting the air distribution...................... 144
Setting the air0ow.................................. 144
Setting the climate style......................... 146
Setting theve hicle interior temp era-
ture....................................................... 144 St
ationary heater/ ventilation................. 149
Switching air-reci rculation mode
on/o.................................................... 147
Switching there ar wind owheater
on/o.................................................... 144
Syn chronisation function........................ 147
THERMATIC cont rol panel...................... 144
THERMOTRONIC control panel............... 144
Ve ntilation with com fort openin g.............. 95
Climat
Climat e s e stytyle
le
Fu nction................................................ 146
Setting.................................................. .146
C
C OC papers
OC papers , Certi/cate of conformity..........3 55
Coc
Coc kpit
kpit
Dashboar d................................................. 6
Co.ee
Co.ee cup symbol
cup symbol, ATTENTION ASSIST........ 192
Combination switch
Combination switch Lights.................................................... 129
Windsc reen wiper s................................. 136
Com Com ponent-speci/c
ponent-speci/c inf
infor
ormation
mation................... 357
Conv
Conv enience closing
enience closing...................................... 96
Conv
Conv enience opening
enience opening..................................... 95
Coolant
Coolant........................................................ 367 Cop
Cop
yr
yright
ight....................................................... 39
Cor
Cor ner
nering light
ing light............................................. 130
Corr
Corr ect use
ect use.................................................... 35
Cr
Cr oss
oss Tr
Tra1c
a1c Alert
Alert, Cross tra1cwarning....... 238
Cr
Cr osswind Assist
osswind Assist , ESP®
................................ 189
Cr
Cr uise contr
uise contr ol
ol
Ac tivating............................................... 195
Calling up a spee d................................. 195
Deactivating........................................... 195
Fu nction................................................ 194
Re quirements........................................ 195
Setting a speed...................................... 195
St oring a speed..................................... .195 D D
Dam
Dam ping syst
ping syst em ADS PL
em ADS PL US
US.......................... 220
Dashboard
Dashboard Cockpit...................................................... 6
Dashcam
Dashcam Selecting a USB device.......................... 275
Starting/stopping a video recording....... 275
Dat Dat a pr
a pr ocessing in t
ocessing in t he v
he vehicle
ehicle ........................ 36 Index
451
451

!
Parking brake See Owner's
Manual..................................................3 95
É Please reduce speed .................... .411
Ý Please wait 48 V battery charg-
ing......................................................... 420
h Rectify tyre pressure ..................... 422
Ø Re/ll AdBlue See Owner ’sMan-
ual ......................................................... 425
! Release parking brake ...................398
¸ Replace air cleaner ....................... 392
Á Replace key.................................. 376
8 Reser vefuel le vel.......................... 391
6 Restraint sys. malfunction Con-
sult workshop ....................................... .373
# See Owner's Manual..................... 417
K SoTtop lo wering........................... 379
K SoTtop Operation only up to
60 km/h................................................ 378
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual....... 386 Ù
Steering malfunction Stop
immediately See Owner's Manual ........... 387
# Stop vehicle Lea veengine run-
ning ....................................................... 419
# Stop vehicle See Owner's Man-
ual......................................................... 418
É Stop vehicle Vehicle too low .......... 410
ç suspended .................................... 401
: Switch o. lights............................ 381
: Switch on headlamps .................... 381
á temp orarily una vailable Camera
view restric ted....................................... 409
¸ temp orarily una vailable Sensors
dirty....................................................... 408
Ø Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 426
+ Top up coolant See Owner ’s
Manual.................................................. 390
¥ Top up washer 0uid...................... .389 !
Turn on the ignition torelease
th e parking brake ................................... 398
d Vehicle is operational Switch o.
ignition before exiting............................. 384
É Vehicle rising Please wait.............. 411
É Vehicle rising ................................ 411
h Warning tyre defect....................... 423
h Wheel sensor(s) missing ................ 421
K While stationar y,apply the
brake before operating the soT top........ 378
Ø XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 426
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 406
Ac tive Blind Spot Assist inoperative........ 407
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual.................................................. 407 454 454
Index