charging MERCEDES-BENZ E-CLASS SALOON 2021 Owner's Guide

begin with positive contact
2onyour own
ve hicle /rst. #
Dur
During st
ing st ar
arting assist
ting assist ance:
ance:startthe engine of
th e donor vehicle and run at idle speed. #
Connect the negative term inal of the donor
battery and ear thpoint 3ofyour ow nve hicle
by using the jump lead/charging cable. Begin
with the donor battery /rst. #
Dur
During st
ing st ar
arting assist
ting assist ance:
ance:startthe engine of
yo ur ow nve hicle. #
Dur
During t
ing t he c
he char
harging pr
ging pr ocess:
ocess: startthech arg-
ing process. #
Dur
During st
ing st ar
arting assist
ting assist ance:
ance:letthe engines run
fo r se veral minutes. #
Dur
During st
ing st ar
arting assist
ting assist ance:
ance:before disconnect-
ing the jump lead, switch on an electrical con-
sumer on your ow nve hicle, e.g. there ar win-
dow heater or lighting.
When the starting assistance/charging process is
comple te, per form thefo llowing steps: #
Firs t, re mo vethe jump lead/charging cable
from ear thpoint 3and the negative term inal of
the donor batter y,then from positive con-
ta ct 2 and the positive term inal of the donor
batter y.Begin ea chtime with the contacts on
yo ur ow nve hicle /rst. #
ATer removing the jump lead/charging cable,
close co ver1 of positive contact 2.
If yo ur vehicle has been star ted with starting
assistance, it may not be possible touse the elec-
tric drive for appr oximately 30 minutes.
Fu rther information can be obtained at a quali/ed
specialist workshop. R
R
eplacing t
eplacing t he 12 V batt
he 12 V batt ery
ery #
Obser vethe no tes on the 12 V battery
(/ page 381).
Mercedes-Benz recommends that you ha vethe
12 V battery replaced at a quali/ed specialist
wo rkshop, e.g. at a Mercedes-Benz Se rvice
Centre. Obser
vethefo llowing no tes if youwa nttoreplace
th e battery yourself:
R Alwaysre place a faulty battery with a battery
which meets the speci/c vehicle requ ire-
ments.
The vehicle is equipped with an AGMtech nol-
ogy bat tery (Absorbent Glass Mat) or a lith-
ium-ion batter y.Fu llve hicle functionality is
only guaranteed with an AGM bat tery or lith-
ium-ion batter y.Fo r saf etyre asons, Mercedes-
Benz recommends that you only use batteries
which ha vebeen tested and appro vedfo ryo ur
ve hicle byMercedes-Benz.
R Carryove r de tach able parts, such as vent
hoses, elbow /ttings or term inal co vers from
th e battery being replaced.
R Make sure that theve nt hose is alw ays con-
nected tothe original opening on the side of
th e batter y.
Fi t any existing or supplied cell caps.
Otherwise, gases or battery acid could
escape.
R Make sure that de tach able parts are recon-
nected in the same way. 386 386
Breakdown assistance

1
Supply type: AC
St andard: EN 62196-2
St yle: type 2
Plug type: charging cable soc ket and vehicle
plug
Fo r fur ther information on charging the high-volt-
age batter y,referto the "Charging the high-volt-
age battery" section (/ page 196).
Missing values werenot available at the time of
going topress. Maximum batt
Maximum batt
er
ery capacity and c
y capacity and c har
harging times
ging times All models
All models
Ty
pe Lithium-ion
Maximum energy content 13.5 kWh
Ra nge in electric-only mode
Cha rge time – mode 3
with 7.4 kW charging capacity App
rox. 1 h
30 min
Char getime – mode 2
with 3.7 kW charging capacity App
rox. 2 h
45 min
Char getime – mode 2
with 2.3 kW charging capacity App
rox. 5 h
Char getime – mode 2
with 1.8 kW charging capacity App
rox. 6 h
30 min Char
getimes – modes 2 and 3 app lyto alternat-
ing cur rent charging from 10% to100% of the usa-
ble energy content.
The time take nto charge the battery depends on
th ech arge status of the batter y,the ambient tem- perature and
thech arging capacity of the batter y.
The charging capacit y,in turn, depends on the
supply voltage, the cur rent intensity and the type
of po wer suppl y.
The nominal voltage range foryo ur vehicle can be
fo und on the information label in the soc ket co ver
( / page 196). T T
r
railer hitch
ailer hitch Gener
Gener
al not
al notes on t
es on t he tr
he trailer hitch
ailer hitch Modi/cations
tothe engine cooling system may
be necessar y,depending on theve hicle model.
The retro/tting of a trailer hitch is on lypermissi-
ble if a towing capacity is speci/ed in your vehicle
documents.
Fu rther information can be obtained at a quali/ed
specialist workshop.
Also obser vethe no tes on towing a trailer
(/ page 272). Te
ch nical data
429 429

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions
003B
inoperative High-voltage
battery charging incom-
plete *T
he high- voltage battery is charging. Pre-ent ryclimate cont rol cannot be switched on. #
Wait until thech arging process has achie ved a minimum charge.
003B
inoperative Charge HV bat-
tery *T
hecharge ofthe high-voltage battery is too lo w.Pre-entry clima tecont rol cannot be switched on. #
Char gethe high-voltage batter y.
003B Pre-entry climate control
(via key) available again
after engine start *Y
ou ha veattem pted toswitch on pre-ent ryclimate cont rol more than twice with the engine switched o.. #
Start theve hicle forte n seconds.
Pre-entry clima tecont rol is operational again. Display message
s andwarning/indicator lamps
445 445

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions
ò
Acoustic presence indica-
tor inoperative *T
he sound generator (acoustic vehicle warning system) is malfunctioning. No driving noises are being produced. The
ve hicle may not be heard by otherroad users. #
Drive with particular care. #
Consult a quali/ed specialist workshop.
00E5
Charger cable connected *Y
ou cannot pull away while thech arging cable is connected. #
Disconnect thech arging cable from theve hicle.
Not possible to unlock
charging cable See Own-
er's Manual *T
hecharging cable connector cann otbe remo ved from thech arging station's soc ket. #
Press the EMERGENCY OFF switch on thech arging station.
If th ech arging cable connector cann otbe remo ved aTer that: #
Request service personnel from the operator of thech arging station via the emer gency call button attached tothe
ch arging station or the emer gency call numbers.
Vehicle not currently being
charged Charging station
fault *A
malfunction has occur red in thech arging station or the RFID card is not recognised. #
Start thech arging process at a di.erent charging station.
or #
Have the RFID card checkedto ensure it is functioning. Display messages and
warning/indicator lamps
447
447

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions
Charging method currently
unavailable Please try
again or change charging
method *A
temp orary malfunction has occur red in thech arging station. #
Wait until the malfunction has passed.
or #
Start thech arging process at a di.erent charging station.
Charging fault Please
change charging method
See Owner's Manual *A
temp orary malfunction has occur red in thech arging station. #
Wait until the malfunction has passed.
or #
Start thech arging process at a di.erent charging station.
Only electric drive availa-
ble Power limited *T
he fuel tank is em pty and the combustion engine is switched o.. The output of your vehicle is limi ted because you
are driving in elect ric mode. #
Refuel immedia tely.
If th ere is fuel in theve hicle, there is a fault with the combustion engine. #
Consult a quali/ed specialist workshop.
"Electric" drive program
currently unavailable *T
hecharge leve l of the high-voltage battery is not su1cient forth e Electric drive prog ram.
Char gethe high-voltage battery (/ page 196).
Reduced drive system per-
formance See Owner's
Manual *T
he drive system switches toemer gency ope ration mode due toa malfunction. #
Drive on carefull y.448 448
Display message
s andwarning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences and0050
0050Solutions
Solutions
003D
Stop vehicle Leave engine
running *T
he 12 V battery charge leve l is too lo w. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Leavethe engine running. #
Ifth e display message disappears: drive on. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
00D7 48 V battery See Owner's
Manual *T
he 48 V on-board elect rical system has function restrictions.
Comfort functions ma y berestric ted. #
Consult a quali/ed specialist workshop immediatel y.
00D9
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: 488 488
Display messages and
warning/indicator lamps

A
A
tt
tt ention assist
ention assist ant
ant
see ATTENTION ASSIST
A
A ut
ut hor
hor ised w
ised w ork
orkshop
shop
see Quali/ed specialist workshop
A
A ut
ut omatic co-dr
omatic co-dr iv
iver airbag
er airbag shut
shuto.
o.
Fu nction of co-driver airbag shuto........... 53
A
A ut
ut omatic dist
omatic dist ance contr
ance control
ol
see Active Distance Assist DISTRONIC
A
A ut
ut omatic dr
omatic dr iving lights
iving lights ................................ 135
A
A ut
ut omatic engine st
omatic engine st art
art
see ECO start/stop function
A
A ut
ut omatic engine st
omatic engine st op
op
see ECO start/stop function
A
A ut
ut omatic fr
omatic fr ont passeng
ont passeng er airbag
er airbagshut
shuto.
o.
PA SSENGER AIR BAG indicator la mps...... 54
A
A ut
ut omatic mirr
omatic mirr or f
or folding function
olding function
Ac tivating/deactivating.......................... 149
A
A ut
ut omatic seat adjus
omatic seat adjustment tment
Setting................................................... 110
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
DIRECT SELECT le ver............................. 186
Drive prog ram displa y............................ 184
Drive prog rams...................................... 183 DY
NAMIC SELECT switch....................... 183
Engaging drive position.......................... 188
Engaging reve rsege ar............................ 187
Kickdown............................................... 189
Manual gear changing........................... .188
Selecting park position........................... 187
St eering wheel gearshiT paddles............ 188
Tr ansmission position displ ay................. 186
Tr ansmission position s........................... 186
Axle load
Axle load
Perm issible............................................ 415
Tr ailer operatio n.................................... .432 B B
Bad w
Bad w eat
eather light
her light ......................................... 138
Ball neck
Ball neck Extending/r etra cting............................. .273
Extending/r etra cting (MBUX multime-
dia system)............................................ 275
B
B AS (Br
AS (Br ak
ake Assis
e Assis t Syst
t System)
em)........................... 218
Batt
Batt ery
ery
Re mo tecont rol (stationary heater)......... 161
Batt
Batt ery
ery
see High-voltage battery Batt
Batt
er
ery (high-v
y (high-v olt
oltag
age on-boar
e on-boar d electr
d electrical
ical
syst
syst em)
em)
see High-voltage battery
Batt
Batt er
ery (ke
y (ke y)
y)
Re placing................................................. 80
Batt
Batt er
ery (v
y (v ehicle)
ehicle)
Charging (Remo teOnline)..................... .169
No tes..................................................... 381
No tes (starting assis tance and charg-
ing)........................................................ 383
Batt
Batt er
ery oper
y oper ation
ation......................................... 164
Belt
Belt see Seat belt
Bicy
Bicy cle r
cle r ack
ack
Load capacit y........................................ 431
Tr ailer operatio n.................................... .278
Blind Spo
Blind Spo t Assist
t Assist
Ac tivating/deactivating.......................... 247
Fu nction................................................ 245
System limi tations.................................. 245
Blow
Blow er
er
see Clima tecont rol Index
519
519

EAS
Y-PA CK bo otbox.............................. 372
Exterior lighting...................................... 370
Head-up display..................................... 372
High-pressure cleaner............................ 368
Pa int...................................................... 368
Plastic trim............................................3 72
Re alwo od/trim elements..................... .372
Re versing camera..................................3 70
Ro of lining............................................. 372
Seat belt................................................ 372
Seat co ver............................................. 372
Sensors................................................. 370
St eering wheel....................................... 372
Ta ilpipes................................................ 370
Tr ailer hitc h............................................ 370
Ve hicle soc ketfo rth e high-voltage
battery................................................... 370
Wa shing byhand.................................... 368
Wheels/rims.......................................... 370
Wi ndo ws................................................ 370
Wi per blades.......................................... 370
Car
Car pe pet (Car
t (Car e)
e)............................................... 372
Changing g
Changing g ears
ears
Manually................................................ 188
Changing hub caps
Changing hub caps ....................................... 405 Char
Char
ging
ging
Char geleve l displa y............................... 208
Charg ing cable control panel.................. 201
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 207
Indica tor lamps on vehicle soc ket........... 202
No tes - charging station (mode 3)......... .199
No tes - mains soc ket (Mode 2)............... 198
No tes - wallbox (mode 3)........................ 199
No tes on charging the high-voltage
battery................................................... 196
No tes on wireless chargin g.................... 130
On-boa rdelectrical system battery
(12 V).................................................... 385
Setting the maximum possible charg-
ing cur rent (mains soc ket)...................... 200
St arting thech arging process................. 204
St ow ing thech arging cable.................... 196
USB port............................................... .130
Ve hicle soc ket........................................ 202
Char Char ging cable ging cable
Control panel......................................... 201
St ow ing................................................. 196
Char
Char ging t
ging t he high-v
he high-v olt
oltag
age batt
e batt ery
ery
St arting thech arging process................. 204 Chassis
Chassis
Damping characteristics........................ .250
DY NAMIC BODY CONTROL.................... 250
Chassis lev
Chassis lev el (AIR BOD
el (AIR BOD Y C
Y CONTR
ONTR OL)
OL)
Settin g................................................... 251
Child safe
Child safe ty lock
ty lock
Re ar door................................................ .75
Re ar side wind ows................................... 77
Child seat
Child seat
Appr oval catego ries.................................63
At tach ing (no tes)..................................... .62
Basic instructions.................................... 58
Fr ont passenger seat (no tes).................... 73
Fr ont passenger seat (without auto-
matic airbag shuto.)............................... .73
ISOFIX/i-Size (/tting).............................. .66
No tes on risks and danger s...................... 59
Re commendations forch ild restraint
systems................................................... 61
Seats suitable for belt-secured child
re straint systems..................................... 70
Seats suitable for i‑Size child restraint
systems................................................... 66
Seats suitable for ISOFIX child
re straint systems..................................... 65 Index
521 521

Ac
tive Distance Assist inoperative.......... 471
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 476
Ac tive Lane Keeping Assist inoperative... 476
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 472
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 472
Ac tive Steering Assist inoperative...........4 72
Ac tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual .............473
Ac tive Stop-and-Go Assist inoperative
See Owner's Manual.............................. 473
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ............ 442
Ad aptive Highbeam Assist inoperative ....4 42
Ad aptive Highbeam Assist Plus cur-
re ntly una vailable See Owner's Manual ... 443Ad
aptive Highbeam Assist Plus inop-
erative.................................................. .443
Apply brake todeselect Park (P) posi-
tion....................................................... .461
Apply brake toselect D or R ...................461
Apply brake toselect R .......................... 461
Au xiliary battery malfunction (red dis-
play message) ....................................... .463
Au xiliary battery malfunction (white
displ aymessage) .................................... 463
Beginning emer gency stop..................... 472
Blind Spot Assist cur rently una vailable
See Owner's Manual.............................. 474
Blind Spot Assist inoperative.................. 474
Blind Spot Assist not available when
to wing a trailer See Owner's Manual ...... 475
Cann otstart engine See Owner's
Manual.......................................... 458, 489
Charging fault Please change charging
me thod See Owner's Manual .................448 Charging me
thod cur rently una vaila-
ble Please try again or change charg-
ing me thod............................................ 448
Check brake pads See Owner's Man-
ual........................................................ .467
Check tyre pressures then restart Run
Flat Indicator......................................... 493
Cruise control and Limiter inoperative.... 469
Cruise control inoperative...................... 469
Cruise control o....................................4 69
Device de tected at diagnostics con-
nection See Owner's Manual................. .486
Fr ont-passenger airbag disabled See
Owner's Manual .................................... .436
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .437
Hazard warning lamps malfunctioning .... 443
Head-up display cur rently una vailable
See Owner's Manual.............................. 454
Head-up display inoperative ...................455 Index
527 527

Limiter inoperative................................
.469
Limiter passive....................................... 469
Mo tor can be star ted again .................... 489
N permanently active Risk of vehicle
ro lling....................................................4 62
Not possible tounlock charging cable
See Owner's Manual.............................. 447
Only elect ric drive available Power
limited................................................... 448
Only select Park (P) when vehicle is
stationary.............................................. 460
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 481
Place theke y in the mar ked space
See Owner's Manual.............................. 440
PRE-SAFE impulse side inoperative
See Owner's Manual.............................. 438
PRE-SAFE inoperative See Owner's
Manual.................................................. 438
Re duce speed........................................ 492 Re
duced drive system per form ance
See Owner's Manual.............................. 448
Re versing not poss. Consult workshop ... 462
Risk of vehicle rolling Driver door
open and transmission not in P .............. 461
Ru n Flat Indica tor inoperative................. 493
Speed limit (winter tyres) XXX km/h .......471
St op vehicle Lea veengine running
Wa itTransmission cooling ......................463
To shiT out of P or N,depress brake
and start engine.................................... .461
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 458
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 474
Tr a1c Sign Assist inoperative................. 474
Tr ansmission Malfunction Stop............... 462
Ty re press. monitor cur rently una vaila-
ble......................................................... 489 Ty
re press. monitor inoperative .............. 489
Ty re press. monitor inoperative No
wheel sensors ........................................ 490
Ty re pressure Check tyres ...................... 493
Ty re(s) ove rheated .................................. 492
Ve hicle not cur rently being charged
Charging station fault............................. 447
Wi per malfunctioning .............................457
Wi thout changing gear, consult work-
shop ............................................. .450, 462
Wi thout starting engine again, consult
wo rkshop ............................................... 450
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................................. 81
Child saf ety lock (rear door )..................... 75
Locking/unlocking (emer gency key)........ .85
Opening (from inside).............................. .82
Po we r closing function............................. 85 528
528
Index