engine MERCEDES-BENZ E-CLASS CABRIOLET 2022 Manual PDF

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Ý
Please wait 48 V battery
charging *T
he 48 V battery is dischar ged. You ha veswitched on theve hicle while the 12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assistance.
The dischar ged 48 V battery is charge d automatically via thevo ltage con verter. ATer a fewminutes, theMotor can be
started again display message will be shown on the inst rument displa y. #
Start theve hicle. #
Drive theve hicle for a while tocharge the 12 V battery and the 48 V battery aTer disconnecting thech arge r from
th eve hicle.
If th eMotor can be started again display message does not appear aTer a fewminutes: #
Tryto start theve hicle. #
Ifth eve hicle does not start, consult a quali/ed specialist workshop.
Cannot start engine See
Owner's Manual *T
he state of charge ofthe 48 V battery is too lo w.You can no longer start theve hicle. #
Switch o. elect rical consume rsthat are not requ ired. #
Connect a suitable charge r appr ovedfo r Mercedes-Benz with su1cient charge output tothe jump-start connection
point of the 12 V battery (/ page 328).
The 48 V battery is charge d via thevo ltage con verter in theve hicle.
Motor can be started again *The 48 V battery has been charge d automatically via thevo ltage con verter. #
Start theve hicle and drive for a while tocharge the 12 V battery and the 48 V batter y. 420 420
Display message
s andwarning/indicator lamps

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¯
AdBlue system fault Engine
start not possible *
The AdBlue ®
system is malfunctioning. You can no longer start theve hicle. #
Consult a quali/ed specialist workshop immediatel y.Engine oil Engine oil
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5
Check eng. oil lev. when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
* N
NO OTE TE Engine damage caused bydriving with insu1cient engine oil #
Avoid long journe yswith insu1cient engine oil. #
Check the engine oil le vel when next refuelling.
To p up the engine oil (/ page 304).
No tes on engine oil (/ page 365).428
428
Displ
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5
Add 1 litre engine oil when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
* N NOOTE
TE Engine damage caused bydriving with insu1cient engine oil #
Avoid long journe yswith insu1cient engine oil. #
When next refuelling, add 1 lit reof engine oil (/ page 304).
No tes on engine oil (/ page 365).
5
Engine oil level Reduce oil
level *T
he engine oil le vel is too high.
* N
NO OTE TE Engine damage caused bydriving with excess engine oil #
Avoid long journe yswith excess engine oil. #
Consult a quali/ed specialist workshop immediately and ha vethe engine oil le velre duced.
5 Engine oil level Stop vehi-
cle Switch engine off *T
he engine oil le vel is too lo w.
* N
N O OTE
TE Engine damage caused bydriving with insu1cient engine oil #
Avoid long journe yswith insu1cient engine oil. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Switch o. theve hicle. Displ
aymessages and warning/indicator lamps
429
429

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Add 1 l of engine oil (/ page 304). #
Check the engine oil le vel.
No tes on engine oil (/ page 365).
5
Engine oil pressure Stop
Switch off engine *T
he oil pressure is too lo w.
* N
NO
OTE
TE Engine damage caused bydriving with insu1cient oil pressure #
Avoid driving with insu1cient oil pressure. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Switch o. theve hicle. #
Consult a quali/ed specialist workshop.
5
Engine oil level cannot be
measured *T
he elect rical connection tothe oil le vel sensor has been inter rupted or the oil le vel sensor is faulty. #
Consult a quali/ed speciali stwo rkshop. 430 430
Displ
aymessages 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 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

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ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
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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
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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

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W
ar
ar ning/indicat
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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
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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

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
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#
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

Fu
nction................................................ 132
A
A dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus t Plus
Fu nction................................................ 133
Switching on/o..................................... 134
A
A dBlue
dBlue ®
®
Ad ditives................................................ 364
Capacity................................................ 365
No tes..................................................... 176
Purit y.................................................... .364
To pping up............................................ .177
A
A dditional door lock
dditional door lock ....................................... 79
A
A dditiv
dditiv es
es
Ad Blue ®
......................................... 177, 364
Engine oil............................................... 365
Fu el....................................................... 362
ATer
ATer -sales
-sales ser
service
vice, ASS YST PLUS................. 300
AIR BOD
AIR BOD Y C
Y CONTR
ONTR OL
OL
Fu nction................................................ 220
Setting.................................................. .221
Air conditioning menu
Air conditioning menu
Air distribution....................................... 146
Calling up.............................................. 145
Climate control...................................... 146 Ionisation............................................... 147
St
ationary heater/ ventilation................. 150
Air dis
Air distr tribution
ibution
MBUX multimedia system...................... .146
Setting................................................... 144
Air fr Air fr eshener syst
eshener syst em
em.................................... 147
Air inlet
Air inlet........................................................ 307
Air pr Air pr essure
essure................................................. 339
Air suspension
Air suspension, AIR BODY CONTROL........... .220
Air v
Air v ents
ents
adjusting (AIRSCARF)............................. 154
Setting................................................... 153
Air/w Air/w at
ater duct
er duct............................................. 307
Airbag
Airbag, Occupant saf ety
Au tomatic front passenger airbag shut
o............................................................. 50 Deployment............................................ .41
Fr ont airbag............................................. 47
Overview.................................................. 47
PA SSENGER AIR BAG indicator la mps...... 52
Pr otection................................................ 48
Re duced pr otection.................................. 49 AIRC
AIRC AP AP
Ac tivating................................................. 90
Deactivating............................................. 90
Air0ow
Air0ow Setting................................................... 144
AIRSC
AIRSC ARF
ARF
Ad justing the outlets.............................. 154
Alar
Alar m syst
m syst em
em,ATA
Interior pr otection function....................... 99
All-wheel dr
All-wheel dr ive
ive, 4MATIC................................ 173
Ambient lighting
Ambient lighting........................................... 135
Animals
Animals Pets in theve hicle.................................... 75
Anti-loc
Anti-loc k br
k braking syst
aking syst em
em, ABS..................... .188
Anti-t
Anti-theT heTalar
alarm syst
m syst em
em,ATA ........................... 97
Anti-t
Anti-theT heTprot
pr otection
ection, ATA
Ad ditional door loc k................................. 79
Immobiliser.............................................. 97
Appr ov
Approv al numbers
al numbers....................................... .357
Apps
Apps
Mercedes me calls................................. 280
Mercedes me connect........................... 283 Index
447 447