2021 MERCEDES-BENZ E-CLASS CABRIOLET cooling

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
435
435

Climate style function............................ 144
Demisting the windscreen...................... 142
Demisting windo ws................................ 145
Fr ont air vents........................................ 151
Inserting/removing the 0acon (fra-
gr ance system)...................................... 146
Ionisatio n............................................... 145
No te...................................................... 142
Re ar air vents......................................... 151
Re sidual heat......................................... 145
Setting (MBUX multimedia system)......... 143
Setting the air distribution...................... 142
Setting the air0ow.................................. 142
Setting the climate style......................... 144
Setting the frag rance system.................. 145
Setting theve hicle interior temp era-
ture....................................................... 142
St ationary heater/ ventilation................. 147
Switching there ar wind owheater
on/o.................................................... 142
THERM ATIC cont rol panel...................... 142
THERMOTRONIC control panel............... 142
Ve ntilating theve hicle (con venience
opening).................................................. 93 Climat
Climat e s e stytyle
le
Fu nction................................................ 144
Setting.................................................. .144
Co-dr
Co-dr iv
iver airbag
er airbag shut
shuto.
o.
see Automatic co-driver airbag shuto.
Coc
Coc kpit
kpit
Overview.................................................... 6
Co.ee
Co.ee cup symbol
cup symbol
see ATTENTION ASSIST
Combination switch
Combination switch .................................... .127
Com
Com ponent-speci/c
ponent-speci/c inf
infor
ormation
mation................... 355
Com
Com put
puter
er
see On-board computer
Conv
Conv enience closing
enience closing...................................... 94
Conv
Conv enience opening
enience opening..................................... 93
Coolant (engine)
Coolant (engine) Levelch eck............................................ 303
No tes..................................................... 365
Cooling
Cooling see Climate control
Cop Cop yr yright
ight....................................................... 38
Cor
Cor ner
nering light
ing light............................................. 128 Cr
Cr oss
oss tr
tra1c
a1c (w
(war
arning)
ning)
see Manoeuvring assis tance
Cr
Cr oss
oss Tr
Tra1c
a1c Alert
Alert........................................ 236
Cr
Cr osswind Assist
osswind Assist
Fu nction/no tes...................................... 187
Cr
Cr uise contr
uise contr ol
ol
Ac tivating............................................... 193
Buttons.................................................. 193
Calling up a speed................................. 193
Deactivating........................................... 193
Fu nction................................................ 192
Re quirements:....................................... 193
Selecting............................................... 193
Setting a speed...................................... 193
St oring a speed...................................... 193
System limitations.................................. 192 D D
Dashboard Dashboard see Cockpit
Dashcam Dashcam Notes..................................................... 272
Selecting a USB device......................... .273
St arting/stopping a video recording...... .273 Index
451 451

Fr
ont-passenger airbag disabled See
Owner's Manual .................................... .373
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .373
Hazard warning lamps malfunctioning .... 382
Head-up display cur rently una vailable
See Owner's Manual.............................. 385
Head-up display inoperative ...................385
Limiter inoperative................................. 400
Limiter passive....................................... 400
Mo tor can be star ted again .................... 419
N permanently active Risk of vehicle
ro lling....................................................3 92
Only select Park (P) when vehicle is
stationary.............................................. 391
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 411
Place theke y in the mar ked space
See Owner's Manual.............................. 376 PRE-SAFE inoperative See Owner's
Manual.................................................. 374
Re duce speed........................................ 422
Re versing not poss. Consult workshop ... 393
Risk of vehicle rolling Driver door
open and transmission not in P .............. 392
Ru n Flat Indica tor inoperative................. 423
Speed limit (winter tyres) XXX km/h .......402
St op vehicle Lea veengine running
Wa itTransmission cooling ......................393
To shiT out of P or N,depress brake
and start engine.................................... .391
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 388
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 404
Tr a1c Sign Assist inoperative................. 404
Tr ansmission Malfunction Stop............... 393 Ty
re press. monitor cur rently una vaila-
ble......................................................... 419
Ty re press. monitor inoperative .............. 419
Ty re press. monitor inoperative No
wheel sensors ........................................ 420
Ty re pressure Check tyres ...................... 422
Ty re(s) ove rheated .................................. 422
Wi per malfunctioning .............................388
Wi thout changing gear, consult work-
shop ...................................................... 392
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................................. 77
Locking/unlocking (emer gency key)........ .81
Opening (from inside).............................. .78
Po we r closing function............................. 80
Unlocking (from inside)............................ 78
Door contr
Door contr ol panel
ol panel......................................... 14 456
456
Index

R
R
ain closing function
ain closing function
Side wind ows.......................................... .93
REAC
REAC H r
H regulation
egulation ........................................... 33
R
R eading lamp
eading lamp
see Interior lighting
R
R eal w
eal w ood (Car
ood (Car e)
e).......................................... 312
R
R ear f
ear f og light
og light
Switching on/o..................................... 126
R
R ear seat
ear seat
see Seat
R
R ear seat belt
ear seat belt
Status displ ay.......................................... 45
R
R ear seat belt st
ear seat belt st atus display
atus display........................... 45
R
R ear windo
ear windo w heat
w heater
er...................................... 142
R
R ear
ear -vie
-vie w mirr
w mirr or
or
Anti-dazzle mode (automatic)................. 139
R
R ear
ear -vie
-vie w mirr
w mirr or
or
see Outside mir rors
R
R ecy
ecy cling
cling
see Take -back of end-of-life vehicles
R
R educing ag
educing ag ent
ent
see AdBlue ® R
R
efuelling
efuelling
Refuelling theve hicle............................ .171
R
R egistr
egistr ation
ation
Ve hicle..................................................... 33
R
R egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation
Indonesia............................................... 355
Small components................................. 355
R R emot
emot e contr
e contr ol (st
ol (stationar
ationar y heat
y heater/v
er/venti-
enti-
lation)
lation) Displ ays................................................. 149
Problems............................................... 150
Re placing the batter y............................. 149
Setting................................................... 148
R R emot
emot e Online
e Online
Charg ingthe star ter batter y................... 155
Cooling/heating theve hicle interior...... .155
St arting theve hicle............................... .156
R
R escue card
escue card ................................................... 35
R
R eser ve
eser ve
Fu el....................................................... 362
R
R ese
ese t function (MBUX multimedia syst
t function (MBUX multimedia syst em)
em).... 265
R
R esidual heat
esidual heat............................................... 145 R
R
est
est or
oring (f
ing (f act
actor
ory se
y se ttings)
ttings)
see Reset function (MBUX multimedia system)
R
R estr
estr aint syst
aint syst em
em
Basic instructions forch ildren.................. 55
Fu nction in an accident............................ 40
Fu nctionality............................................ 39
Malfunction............................................. 40
Pr otection................................................ 39
Re duced pr otection.................................. 39
Self-test...................................................39
Wa rning lamp........................................... 39
Rev Rev er
er se g
se g ear
ear
Engaging................................................1 68
Rev
Rev er
er sing camera
sing camera
Care...................................................... 311
Fu nction................................................ 220
Opening the camera co ver (360°
Camera)................................................ 227
Switching automatic operation on/o.
(360° Camera)...................................... 227
Rims (car
Rims (car e) e).................................................. 311
R
R oll awa
oll awa y prot
y pr otection
ection
see HOLD function 468
468
Index

Equipment............................................... 22
Implied warrant y...................................... 34
Locking (automatically)............................ 80
Locking/unlocking (emer gency key)........ .81
Locking/unlocking (from inside)............... 78
Locking/unlocking (KEYLESS-GO)............ 79
Lo we ring................................................ 350
Medical aids........................................... .34
Pa rking up............................................. 182
QR code rescue car d............................... 35
Quali/ed specialist workshop.................. .33
Ra ising................................................... 347
REACH regulation.................................... 33
Re gistration............................................. 33
St andby mode function.......................... 182
St arting (emer gency ope ration mode ).... 155
St arting (Remo teOnline)........................ 156
St arting (start/stop but ton)................... 154
SV HC (substances of very high conce rn)..33
Switching o. (start/stop button)............ 177
Switching on (start/stop button)............ 153
To wing................................................... 245
Ve ntilating (con venience opening)........... .93
V
V ehicle batt ehicle batt ery
ery
see On-board electrical system battery (12 V) V
V
ehicle camera
ehicle camera
Information............................................ 183
V
V ehicle data
ehicle data
Displaying (DYNAMIC SELECT)............... 166
Ro of load............................................... 368
Ve hicle height....................................... .367
Ve hicle length........................................ 367
Ve hicle widt h......................................... 367
Wheelbase............................................. 367
V
V ehicle dimensions
ehicle dimensions...................................... 367
V
V ehicle emerg
ehicle emerg ency st
ency start
art............................... 332
V
V ehicle
ehicle identi/cation
identi/cation number
number
see VIN
V
V ehicle
ehicle identi/cation
identi/cation plate
plate
EU type appro val number....................... 356
Maximum gross vehicle weight............... 356
Pa int code............................................. 356
Pe rm issible axle load.............................. 356
VIN........................................................3 56
V
V ehicle int
ehicle int er
erior
ior
Cooling or heating (Remo teOnline)....... .155
V
V ehicle key
ehicle key
see Key V
V
ehicle maint
ehicle maint enance
enance
see ASS YST PLUS
V
V ehicle sensors
ehicle sensors
Information............................................ 183
V
V ehicle t
ehicle t ool kit
ool kit
TIREFIT kit............................................. .318
To wing eye............................................. 331
V
V entilating
entilating
Con venience opening.............................. .93
V
V entilation
entilation
see Climate control
V
V ents
ents
see Air vents
VIN
VIN Identi/cation pla te................................. 356
Seat....................................................... 356
Wi ndsc reen............................................ 356
V V ision
ision
Demisting windo ws................................ 145 W
W
W
W ar
ar ning lamp
ning lamp
see Warning/indicator lamp Index
475
475