2022 MERCEDES-BENZ E-CLASS CABRIOLET coolant

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Ifth e display message still appears, consult a quali/ed specialist workshop.
+
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* N
N O
OTE
TE Engine damage due toinsu1cient coolant #
Avoid long journe yswith insu1cient coolant. #
Add coolant (/ page 305). #
Have the engine cooling system checked at a quali/ed specialist workshop.
ÿ
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. &
W WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theev ent 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. 390
390
Display messages and
warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Wait until the engine has cooled down. #
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 *T
here is a malfunction in the engine cooling system. #
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.
8
Reserve fuel level *T
he fuel supply has dropped into there ser verange. #
Refuel.
! Clean the fuel filter *V
Vehicles wit
ehicles wit h diesel engines:
h diesel engines: the fuel /lter is dirty or thewa ter in the fuel /lter needs tobe drained. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
391
391

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