2022 MERCEDES-BENZ E-CLASS COUPE coolant

Engine
Engine
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
To switch off the engine,
press the Start/Stop but-
ton for at least 3 seconds
or 3 times. *Y
ou ha vepressed the start/s top button while theve hicle is in motion. #
Information about switching o. theve hicle while driving (/ page 158).
Cannot start engine See
Owner's Manual *T
hevehicle cann otbe star ted. #
Switch theve hicle o. and switch it back on #
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 NO
OTE
TE Engine damage due toinsu1cient coolant #
Avoid long journe yswith insu1cient coolant. #
Add coolant (/ page 310). #
Have the engine cooling system checked at a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
391
391

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
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. #
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. 392
392
Display messages and
warning/indicator lamps

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 434)
ü Seat belt (/ page 434)
ï Trailer hitch (/ page 435)
Ù Powe r steering (/ page 435)
ÿ Coolanttemp erature (/ page 436)
; Engine diagnostics (/ page 436)
% V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow
# Electricalfault (/ page 436)
8 Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 436)
! Electric parking brake (yellow)
(/page 440)
! Electric parking brake (red)
(/page 440)
J Brakes (yellow) (/ page 440)
J Brakes (red) (/ page 440)
L Distancewarning (/ page 442)
Ó Active Brake Assist (/ page 442)
ê Active Brake Assist (/ page 442)ä
AIR BODYCONTROL (/ page 442)
ä DYNAMIC BODY CONTROL
(/ page 442)
! ABS (/page 443)
÷ ESP®
(/ page 443)
å ESP®
OFF (/ page 443)
h Tyre pressure monitoring system
(/ page 446)
T Standing lights (/ page 129)
L Low beam (/ page 129)
K High beam (/ page 131)
#! Turn signal lights (/ page 131)
R Rear fog light (/ page 129)
Symbols on t
Symbols on t he centr he central display:
al displ ay:
É DriveAway Assist (/ page 240)
L CrossTra1c Ale rt (/ page 241)
º Manoeuv ring brake function (/ page 241) Display messa
ges and warning/indicator lamps
433
433

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 436
436
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 310). Display message
s andwarning/indicator lamps
437
437

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. 438
438
Display messages and
warning/indicator lamps

Car
Car
ing f
ing f or t
or the st
he st eer
eering wheel
ing wheel........................ 317
Car
Car ing f
ing f or tr
or trim elements
im elements...............................3 17
Car
Car ing f
ing f or wheels
or wheels......................................... 315
Centr
Centr al loc
al locking syst
king syst em
em
Button..................................................... 79
Ke y.......................................................... 76
Char Char ging
ging
12 V battery........................................... 331
USB port............................................... .125
Wi relessly charging a mobile phon e........ 125
Chassis
Chassis
Damping characteristics........................ .222
DY NAMIC BODY CONTROL................... .222
Chassis lev Chassis lev el (AIR BOD
el (AIR BOD Y C
Y CONTR
ONTR OL)
OL)
Setting................................................... 223
Chec
Chec king t
king t he coolant lev
he coolant lev el
el........................... 310
Child safe
Child safe ty lock
ty lock
Side window (rear)................................... 72
Child seat
Child seat
Appr oval catego ries.................................60
Basic instructions.................................... 55
Fi tting ISOFIX/i-Size................................ 64
Fr ont passenger seat............................... 70 Re
commendations forch ild restraint
systems................................................... 59
Ris ks/dan gers......................................... 56
Seats suitable for belt-secured child
re straint systems..................................... 67
Seats suitable for i‑Size child restraint
systems................................................... 63
Seats suitable for ISOFIX child
re straint systems..................................... 62
Securing.................................................. 60
Securing tothe front passenger seat
with the seat belt..................................... 71
Securing tothere ar seat with the
seatbelt................................................... 68
To pTe ther................................................ 66
Wi thout automatic front passenger
airbag shuto........................................... .70
Childr Childr en
en
Av oiding dangers in theve hicle............... .56
Basic instructions.................................... 55
Chock
Chock.......................................................... 350
City lighting
City lighting.................................................. 133
Clean v
Clean v ar
arnish
nish............................................... 314 Cleaning
Cleaning
Air/water duct....................................... 312
Au tomatic car wash.............................. .312
Car parts............................................... 315
Decorative foil........................................ 314
High-pressure cleaner............................3 13
Pa int...................................................... 314
Ve hicle interior....................................... 317
Cleaning car
Cleaning car pe pets
ts.......................................... 317
Cleaning seat cov
Cleaning seat cov ers
ers.................................... 317
Climat
Climat e contr
e contr ol
ol
A/C function......................................... 148
Ac tivating/deactivating.......................... 147
Ac tivating/deactivating the A/C func-
tion (control panel)................................. 147
Ac tivating/deactivating the synchro-
nisation function (control panel).............1 48
Au tomatic control................................. .148
Calling up the air conditioning menu....... 147
Climate style function............................ 148
Demisting the windscreen...................... 146
Demisting windo ws................................ 149
Fr ag rance system.................................. 149
Fr ont air vents........................................ 155 452 452
Ind
ex

Inserting/
removing the 0acon (fra-
gr ance system)...................................... 150
Ionisatio n............................................... 149
No tes..................................................... 146
Re ar air vents......................................... 155
Re sidual heat......................................... 149
Setting (MBUX multimedia system)......... 147
Setting the air distribution...................... 146
Setting the air0ow.................................. 146
Setting the climate style......................... 148
Setting theve hicle interior temp era-
ture....................................................... 146
St ationary heater/ ventilation................. 151
Switching air-reci rculation mode
on/o.................................................... 149
Switching there ar wind owheater
on/o.................................................... 146
Syn chronisation function........................ 149
THERMATIC cont rol panel...................... 146
THERMOTRONIC control panel............... 146
Ve ntilation with com fort openin g.............. 90
Climat
Climat e s
e stytyle
le
Fu nction................................................ 148
Setting.................................................. .148
C
C OC papers
OC papers , Certi/cate of conformity..........3 58Coc
Coc
kpit
kpit
Dashboar d................................................. 6
Co.ee
Co.ee cup symbol
cup symbol, ATTENTION ASSIST........ 195
Collision det
Collision det ection (park
ection (parked v
ed vehicle)
ehicle)
Information............................................ 186
Combination switch
Combination switch
Lights.................................................... 131
Windsc reen wiper s................................. 139
Com Com ponent-speci/c
ponent-speci/c inf
infor
ormation
mation................... 360
Conv
Conv enience closing
enience closing...................................... 90
Conv
Conv enience opening
enience opening..................................... 90
Coolant
Coolant........................................................ 370
Cop Cop yr
yr ight
ight....................................................... 39
Cor
Cor ner
nering light
ing light............................................. 132
Corr
Corr ect use
ect use.................................................... 35
Cov
Cov er
er,Roller sunblind.................................... 91
Cr
Cr oss
oss Tr
Tra1c
a1c Alert
Alert, Cross tra1cwarning....... 241
Cr
Cr osswind Assist
osswind Assist , ESP®
................................ 192
Cr
Cr uise contr
uise control ol
Ac tivating............................................... 198
Calling up a speed................................. 198 Deactivating........................................... 198
Fu
nction................................................ 196
Re quirements........................................ 198
Setting a speed...................................... 198
St oring a speed...................................... 198 D D
Dam
Dam ping syst
ping syst em ADS PL
em ADS PL US
US.......................... 222
Dashboard
Dashboard Cockpit...................................................... 6
Dashcam
Dashcam Selecting a USB device.......................... 280
Starting/stopping a video recording...... .280
Dat Dat a pr
a pr ocessing in t
ocessing in t he v
he vehicle
ehicle ........................ 36
Dat
Dat a pr ot
a pr otection r
ection r ights
ights.................................... 39
Dat
Dat a st
a st or
orage
age
Data pr otection rights.............................. 39
Electronic control units............................ 36
Online services........................................ 39
Deactiv
Deactiv ating t ating the alarm
he alarm ................................... 97
Dealer
Dealer ship
ship..................................................... 34
Declar
Declar ation of conf
ation of conf or
ormity
mity
Elect romagnetic compatibilit y.................. 24 Index
453
453