coolant MERCEDES-BENZ E-CLASS CABRIOLET 2022 User Guide

W
W
ar
ar ning and indicat
ning and indicat or lam
or lamps
ps Ov
Ov
er
ervie
vie w of indicat
w of indicat or and w
or and war
arning lam
ning lam ps
ps Some systems will per
form a self-test when the
ve hicle is switched on. Some indicator and warn-
ing lamps may brie0y light up or 0ash. This beha v-
iour is non-critical. These indicator and warning
lamps indicate a malfunction only if they light up
or 0as haTer theve hicle has been star ted or dur-
ing a journe y.
Ins
Ins tr
trument displ ay
ument display Depending on
the display setting, the positions of
th e indicator lamps on the inst rument display may
di.er from theex ample shown. Indicat
Indicat or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 432)
ü Seat belt (/ page 432)
ï Trailer hitch (/ page 433)
Ù Powe r steering (/ page 433)
ÿ Coolanttemp erature (/ page 434)
; Engine diagnostics (/ page 434)
% V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow
# Electricalfault (/ page 434)
8 Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 434)
! Electric parking brake (yellow)
(/page 438)
! Electric parking brake (red)
(/page 438)
J Brakes (yellow) (/ page 438)
J Brakes (red) (/ page 438)
L Distancewarning (/ page 440)
Ó Active Brake Assist (/ page 440)
ê Active Brake Assist (/ page 440)ä
AIR BODYCONTROL (/ page 440)
ä DYNAMIC BODY CONTROL
(/ page 440)
! ABS (/page 441)
÷ ESP®
(/ page 441)
å ESP®
OFF (/ page 441)
h Tyre pressure monitoring system
(/ page 444)
T Standing lights (/ page 127)
L Low beam (/ page 127)
K High beam (/ page 129)
#! Turn signal lights (/ page 129)
R Rear fog light (/ page 127)
Symbols on t
Symbols on t he centr he central display:
al displ ay:
É DriveAway Assist (/ page 238)
L CrossTra1c Ale rt (/ page 238)
º Manoeuv ring brake function (/ page 239) Display messa
ges and warning/indicator lamps
431
431

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ï
Tr ailer tow hitch warning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational. &
W
W ARNING
ARNING 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 tra1c conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedu reand do not re-couple the trailer until the display message disappears. #
Notethe messages on the instrument displa y.Engine
Engine
W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ÿ
Coolant warning lamp (red) *T
he red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty 434
434
Display message
s andwarning/indicator lamps

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
R The engine coolant pump is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120°C. &
W
WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theeve nt of an overheated engine or /re in the engine compartment, thefo llowing situa-
tions may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating 0uids. #
Before opening the bonnet, allow the engine tocool down. #
Intheev ent of a /re in the engine compartment, keep the bonnet closed and call the /re service. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. Do not continue driving. #
Notethe messages on the instrument displa y.
If t If t he coolant t
he coolant t em
em per
per atur
atur e displa
e displa y is at t
y is at the low
he lower end of t
er end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Consult a quali/ed specialist workshop.
If t
If t he coolant t he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the upper end of t
he upper end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Exit theve hicle and keep a safe distance from it until the engine has cooled down. #
Check the coolant le vel (/ page 305). Display message
s andwarning/indicator lamps
435
435

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. 436
436
Display messages and
warning/indicator lamps

High-pressure cleaner............................ 308
Pa int...................................................... 309
Plastic trim............................................3 14
Re alwo od/trim elements..................... .314
Ro of lining............................................. 314
SoT top................................................ .310
Ta ilpipes................................................ 313
Tr ailer hitc h............................................ 313
Ve hicle interior....................................... 314
Wa shing byhand.................................... 309
Wi nd de0ector....................................... 311
Car
Car ing f
ing f or plas
or plastic tr tic trim
im................................... 314
Car
Car ing f
ing f or r
or real w
eal w ood
ood..................................... 314
Car
Car ing f
ing f or t
or the st
he st eer
eering wheel
ing wheel........................ 314
Car
Car ing f
ing f or tr
or trim elements
im elements............................... 314
Car
Car ing f
ing f or wheels
or wheels......................................... 313
Centr
Centr al loc
al locking syst
king syst em
em
Button..................................................... 80
Ke y.......................................................... 77
Char
Char ging ging
12 V battery........................................... 328
USB port............................................... .123
Wi relessly charging a mobile phon e........ 123 Chassis
Chassis
Damping characteristics........................ .219
DY NAMIC BODY CONTROL................... .219
Chassis lev
Chassis lev el (AIR BOD
el (AIR BOD Y C
Y CONTR
ONTR OL)
OL)
Setting................................................... 221
Chec
Chec king t
king t he coolant lev
he coolant lev el
el........................... 305
Child safe
Child safe ty lock
ty lock
Side window (rear)................................... 73
Child seat
Child seat Appr oval catego ries.................................61
Basic instructions.................................... 56
Fi tting ISOFIX/i-Size................................ 65
Fr ont passenger seat............................... 71
Re commendations forch ild restraint
systems................................................... 60
Ris ks/dan gers......................................... 57
Seats suitable for belt-secured child
re straint systems..................................... 68
Seats suitable for i‑Size child restraint
systems................................................... 64
Seats suitable for ISOFIX child
re straint systems..................................... 63
Securing.................................................. 61 Securing
tothe front passenger seat
with the seat belt..................................... 72
Securing tothere ar seat with the
seatbelt................................................... 69
To pTe ther................................................ 67
Wi thout automatic front passenger
airbag shuto........................................... .71
Childr
Childr en en
Av oiding dangers in theve hicle............... .57
Basic instructions.................................... 56
Chock
Chock.......................................................... 347
City lighting City lighting.................................................. 131
Clean v Clean v ar
ar nish
nish............................................... 309
Cleaning
Cleaning Air/water duct....................................... 307
Automatic car wash.............................. .307
Car parts............................................... 313
Decorative foil........................................ 310
High-pressure cleaner............................3 08
Pa int...................................................... 309
Ve hicle interior....................................... 314
Cleaning car
Cleaning car pe
pe ts ts.......................................... 314
Cleaning seat cov
Cleaning seat cov ers
ers.................................... 314450
450
Index

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

é
ATTENTION ASSIS T:Take a
break!.................................................... 400
: Automatic driving lights inoper-
ative...................................................... 380
Û Battery overheated Stop, every-
body out! Outdoors if possible ................ 419
Á Change key batteries .................... 376
J Check brake 0uid le vel.................. 399
5 Check eng. oil le v.when next
re fuelling ............................................... 428
ï Check trailer hitch lo ck(white
display message) .................................... 385
h Check tyre(s) ................................ 422
! Clean the fuel /lter....................... 391
J Close boot separator .................... 379
ÿ Coolant Stop vehicle Switch
engine o............................................... 390
! currently una vailable See Own-
er's Manual............................................4 12÷
currently una vailable See Own-
er's Manual............................................4 13
5 Engine oil le vel cannot be meas-
ured....................................................... 430
5 Engine oil le velRe duce oil le vel..... 429
5 Engine oil le velSt op vehicle
Switch engine o.................................... 429
5 Engine oil pressure Stop Switch
o. engine.............................................. 430
ä Fault Drive at max. 80 km/h ......... 410
6 Front leT malfunction Consult
wo rkshop (e xample)...............................3 73
_ Front leT seat backrest not
loc ked (e xamp le).................................... 388
& inoperative Battery low................. 384
& inoperative Refuel vehicle............. .384
& inoperative See Owner's Man........ 383
! inoperative See Owner's Manual.. .413
÷ inoperative See Owner's Manual.. .414
T inoperative See Owner's Manual.. .415 G
Inoperative................................... 416
: Intelligent Light System inopera-
tive........................................................ 381
Á Key being initialised Please wait.... 377
Á Key not de tected (red display
message).............................................. .377
Á Key not de tected (white display
message).............................................. .376
: LeT dipped beam (e xample).......... 380
6 LeT windowbag malfunction
Consult workshop (e xample).................. 373
¢ Lowe ring....................................... 411
: Malfunction See Owner's Man-
ual ......................................................... 380
ð Maximum speed exceeded ............ 403
Ø ................................................... .426
ç O.................................................4 02
ë O.................................................3 99
K Open/close soT top comple tely.... 379 Index
453 453

!
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

Destination entry...................................2
70
Displaying/hiding the menu................... 268
Live Tra1c Information........................... 273
Map....................................................... 272
No tes..................................................... 268
N
Neutr eutr al al
En gaging................................................ 170 O
O
Occupant safe
Occupant safe ty
ty............................................. 42
On-boar
On-boar d com
d comput
puter
er, Computer, Operating system
Displaying the service due dat e.............. 300
Instrument displa y................................. 253
Menu overview.......................................2 51
Operating.............................................. 251
On-boar
On-boar d diagnos
d diagnostics int tics interf
erface
ace , Diagnos-
tics connection.............................................. 33
On-boar
On-boar d electr
d electronics
onics
Engine electronics................................. 355
Tw o-w ayradios...................................... 355
on-demand f
on-demand f eature
eature........................................ .22
Online ser
Online ser vices
vices............................................. .39
Open Sour
Open Sour ce
ceSoTw
SoTw are
are,Free soTware............. 39 Open/close g
Open/close g
ar
arag
ag e door
e door.............................. 182
Open/close g
Open/close g ate
ate..........................................1 82
Opening t
Opening t he boo
he boot lid using y
t lid using y our f
our foot
oot
HANDS-FREE ACCESS............................. 85
Oper
Oper ating
ating 0uids
0uids
Ad Blue ®
................................................ .364
Ad ditives................................................ 362
Brake 0uid............................................. 367
Coolant.................................................. 367
Diesel.................................................... 363
Engine oil............................................... 365
Pe trol..................................................... 361
Wi ndsc reen washer 0uid........................ 368
Oper Oper ating safe
ating safe ty
ty
48 V on-board elect rical system............... 23
Information............................................. .23
Oper
Oper at
ator's manual
or's manual ........................................ .22
Op
Op timised acceler
timised acceler ation
ation................................ 159
Outside mirr
Outside mirr ors
ors
Au tomatic anti-dazzle mode.................. .141
Au tomatic mir rorfo lding function........... 143
Blind Spot Assist.................................... 214
Fo lding in/out........................................1 40Memory function................................... 116
Pa
rking position..................................... 142
Setting................................................... 140
Wa rning lamp......................................... 214
Ov
Ov er erhead contr
head contr ol panel
ol panel.................................. 12
Ov
Ov er
ervie
vie w of airbags
w of airbags........................................ 47 P
P
P
P aint code
aint code................................................... 358
P
P anel heating
anel heating............................................... 111
P
P ar
ar k position
k position
DIRECT SELECT le ver............................. 169
Engaging................................................ 170
P
P ar
ar king
king, PARKTRONIC
Electric parking brak e............................ 229
P
P ar
ar king aid
king aid, Active Parking
Assist, PARKTRONIC.................................... 229
P
P ar
ar king Assist
king Assist, Active Parking Assist.............2 33
P
P ar
ar king Assis
king Assist P t PARK
ARK TR
TRONIC
ONIC
Ac tivating............................................... 232
Ad justing warning tones......................... 233
Deactivating........................................... 232
Fu nction................................................ 229 Ind
ex
465 465

Maximum speeds (Mercedes-AMG
ve
hicles)................................................ 369
Ro of load............................................... 369
Ve hicle height....................................... .369
Ve hicle length........................................ 369
Ve hicle widt h......................................... 369
Wheelbase............................................. 369
V
V ehicle dimensions ehicle dimensions...................................... 369
V
V ehicle emerg
ehicle emerg ency st
ency start
art............................... 334
V
V ehicle eq
ehicle eq uipment
uipment......................................... 22
V
V ehicle
ehicle identi/cation
identi/cation number
number, VIN................ 358
V
V ehicle
ehicle identi/cation
identi/cation plate
plate
EU type appro val number....................... 358
Maximum permissible gross vehicle
we ight.................................................... 358
Model type............................................ 358
Pa int code............................................. 358
Pe rm issible axle load.............................. 358
VIN........................................................3 58
V
V ehicle int ehicle int er
erior
ior
Cooling/heating (Remo teOnline).......... .157
V
V ehicle key
ehicle key..................................................... 76
V
V ehicle sensors
ehicle sensors ............................................ 186 V
V
ehicle st
ehicle st art
art
Emer gency ope ration mode.................... 157
Re mo teOnline....................................... 158
St art/stop but ton.................................. 156
V
V ehicle t
ehicle t ool kit
ool kit
TIREFIT kit.............................................. 320
To wing eye............................................. 333
V
V entilating
entilating , Convenience opening................... 95
V
V entilation
entilation................................................... 153
V
V ents
ents........................................................... 153
VIN
VIN, Vehicle identi/cation number
Engine compartmen t.............................. 358
Identi/cation plate................................. 358
Seat.......................................................3 58
V
V ision
ision
Demisting windo ws................................ 147 W
W
W
W ar
ar ning syst
ning syst em
em,ATA...................................... 97
W
W ar
ar ning tr
ning tr iangle
iangle................................... 317, 318
W
W ar
ar ning/indicat
ning/indicat or lamp
or lamp
! ABSwarning lamp......................... 441 ê
Active Brake Assist warning lam p..4 40
J Brake system warning lamp (red)... 439
J Brake system warning lamp (yel-
low)....................................................... 438
ÿ Coolant warning lamp (red)........... 434
ÿ Coolant warning lamp (yellow).......4 36
! Electric parking brake indicator
lamp (red).............................................. 438
# Electrical fault warning lam p......... 437
; Engine diagnosis warning lamp...... 436
å ESP®
OFF warning lam p................ 443
÷ ESP®
wa rning lamp 0ashes........... 442
÷ ESP®
wa rning lamp lights up......... 442
8 Fuelreser vewarning lamp lights
up.......................................................... 437
Ù Powe r steering warning lamp
(red)...................................................... 433
6 Restraint system warning lam p...... 432
ü Seat belt warning lamp 0ashes...... 432
ü Seat belt warning lamp lights up.... 433 474 474
Index