charging MERCEDES-BENZ E-CLASS SALOON 2022 User Guide

R
If leaving theve hicle idle for lengt hyperiods of
time avoid, if possible, high ambient temp era-
tures.
R Check the high-voltage battery's charge level
ev ery six weeks (/ page 212).
R Char gethe high-voltage battery if thech arge
le ve l is below 20%.
R Do not disconnect the 12 V battery even if the
ve hicle is leT idle for a lengt hyperiod. Other-
wise, the condition of theve hicle's high- volt-
age battery cannot be monitored.
Yo u can contribute toreducing theve hicle's
ene rgy consum ption in thefo llowing ways:
R An anticipatory driving style (/ page 179)
R Reduced use of electrical consumers
R Having theve hicle regula rly main tained
Char
Char ging op
ging op tions f
tions for t
or the high-v
he high-v olt
oltag
age batt
e batt ery
ery
(mode 2 and 3)
(mode 2 and 3)
The high-voltage battery will be charge dby recu-
peration while you are driving. The electric mo tor
ser ves as an alternator when in overrun mode and
during braking. Yo
u ha vethefo llowing options tocharge while
stationar y:
R Ata mains soc ket (mode 2)
R Atawa llbox or charging station (mode 3)
Depending on the count ry-speci/c vehicle equip-
ment and your vehicle's charging cable, single
phase ACcharging is also possible.
Obser vethe di.erent grid requ irements of your
cur rent location when charging. Only use charging
cables which conform tothegr id requiremen ts.
Consult a quali/ed elect rician or your local grid
operator if you ha veany questions.
It is recommended that youch arge the high-volt-
age battery at a wallbox or charging station due to
th e impr ovedch arging per form ance and better
ch arging e1ciency o.ered.
S
S t to
o wing t
wing t he c
he char
harging cable
ging cable
Alw ays st owtheve hicle charging cable in the
ch arging cable bag pr ovided and secure it in the
boot or load compartment of your vehicle.
Otherwise, thech arging cable is not su1ciently
secured. Syst
Syst em limits
em limits
The po wer output of the high-voltage battery may
be impaired bythefo llowing:
R High or low outside temp eratures
R Electrical auxiliary consumers in theve hicle
being switched on, e.g. operating the air con-
ditioning system
R Extended periods without charging
The charging time of the high-voltage battery may
be increased bythefo llowing:
R High or low outside tempe ratures
R Extended periods without charging
R The maximum available charge cur rent of the
ch arging facility
R The charging cur rent set (mode 2) in the multi-
media system (/ page 307) Driving and parking
201
201

N
N
o
ot
tes on c
es on c har
harging t
ging t he high-v
he high-v olt
oltag
age batt
e batt er
ery at t
y at t he
he
mains soc ke
mains soc ket (mode 2)
t (mode 2) &
D
D AN
AN GER
GER Risk of fatal injury from incor-
re ctly ins talled component parts
Connecting thech arging cable toa mains
soc ket using incor rectly ins talled component
parts could cause a /re or an electric shoc k,
fo rex ample. #
Only connect thech arging cable to a
mains soc ketth at:
R Has been proper lyinstalled and
R Has been inspected byaqu ali/ed elect ri-
cian #
For saf etyre asons, only use thech arging
cable supplied with theve hicle or an
original Mercedes-Benz charging cable. #
Purchase these parts at a Mercedes-
Benz Service Centre and obtain advice
th ere. Mercedes-Benz
thoroughly tests these original
ch arging cables forth eir suitability for high-
vo ltage charging of your vehicle. #
Never use a damaged charging cable. #
Do not use:
R Extension cables
R Extension reels
R Multiple soc kets #
Never use soc ket ada pters toconnect
th ech arging cable tothe mains soc ket.
The only exception being if the adap ter
has been tested and appro vedby the
manufacturer forch arging the high-volt-
age battery of an electric vehicle. #
Obser vethe saf ety no tes in the operat-
ing inst ructions forth e soc ket ada pter. Only
thefo llowing charging cables may be used:
R The charging cable supplied with theve hicle.
R Ach arging cable that has been appr ovedfor
th eve hicle. The
charging process can vary depending on the
po we r supply equipment. The charging times
when charging the high-voltage battery at the
mains soc ket are considerably longer than when
ch arging at a wallbox or charging station.
When doing so, alw ays obser vethe local informa-
tion.
Do not lea vethech arging cable cont rols hanging
loose from a mains soc ket.
Do not liT the controls bythefo llowing compo-
nent parts:
R thech arging cable connector
R the mains plug
When charging, pr otect thech arging cable cont rol
element from excessive heat such as direct sun-
light. Otherwise, thech arging process may be
cancelled. 202 202
Driving and parking

N
N
o
ot
tes on c
es on c har
harging t
ging t he high-v
he high-v olt
olt ag
age batt
e batt er
ery at a
y at a
w
w allbo
allbo x or c
x or c har
harging st
ging st ation (mode 3)
ation (mode 3) &
D
DAN
AN GER
GER Risk of fatal injury from incor-
re ctly ins talled component parts
Connecting thech arging cable toawa llbox
using incor rectly ins talled component parts
could cause a /re or an electric shoc k,for
ex ample. #
Only connect thech arging cable to a
wa llbox that:
R Has been proper lyinstalled and
R Has been inspected byaqu ali/ed elect ri-
cian #
For saf etyre asons, only use charging
cables that ha vebeen tested and
appro vedby the manufacturer forch arg-
ing the high-voltage battery in an electric
ve hicle. #
Never use damaged charging cables. #
Do not extend thech arging cable. #
Do not use adap ters. #
Obser vethe saf ety no tes in the operat-
ing inst ructions forth ewa llbox. If
ch arging at a wallbox without pre-ins talled
cable, use the optionally available charging cable
fo rwa llbox and charging station (mode 3). The
ch arging cable is st owed in a bag in the boot/
luggage compartment.
Only use charging cables that ha vebeen tested
and appro vedby the manufacturer forch arging
th e high-voltage battery in an electric vehicle. &
D DAN
AN GER
GER Risk of fatal injuries due todam-
aged components
Connecting thech arging cable toach arging
station using a damaged component part
could cause a /re or an elect ric shoc k,for
ex ample. #
Forch arging stations with a preinstalled
ch arging cable:
R Perform a visual check of thech arg-
ing station for obvious faults, such as
massive damage tothe housing or
ch arging cable. #
Forch arging stations without a preinstal-
led charging cable:
R For saf etyre asons, only use charging
cables that ha vebeen tested and
appro vedby the manufacturer for
ch arging the high-voltage battery in
an electric vehicle.
R Never use damaged charging cables.
R Do not extend thech arging cable.
R Do not use adap ters. #
Make sure toobser vethe saf ety in form a-
tion on thech arging station. Most
charging stations must be activated before
th ech arging process, e.g. using an RFID card.
Obser vethe on-site operator's instructions forthe
ch arging station.
The amount of ene rgy dispensed forth ech arging
process, shown bythech arging station, may be
higher than the amount of energy actually absor-
bed bythe high-voltage batter y.This is there sult
of di.erent le vels of charging losses and is descri-
bed as rech arge e1ciency. Charging losses occur,
fo rex ample, due toheat that builds up when Driving and parking
203 203

ch
arging or from auxiliary consumers that are
switched on. Further information on rech arge e1-
ciency can be obtained at a quali/ed specialist
wo rkshop. Se
Se
tting t
tting t he maximum per
he maximum per missible c
missible char
harging cur-
ging cur-
r
r ent f
ent f or c
or c har
harging at a mains soc ket
ging at a mains soc ket*
N
NO
OTE
TE Overloading the mains soc ket due
to excessive charging cur rent If
th ech arging cur rent is too high, the fuse
could be tripped or theex tern al mains supply
could overheat. #
Make sure that theex tern al mains supply
has been designed tohandle the set
ch arging cur rent. #
If necessar y,reduce the set charging
cur rent or use a di.erent mains soc ket. #
For saf etyre asons, only use thech arging
cable supplied with theve hicle or an
original Mercedes-Benz charging cable.
Mercedes-Benz thoroughly tests these
original charging cables forth eir suitabil-
ity for high-voltage charging of your vehi- cle. Pur
chase these parts at a Mercedes-
Benz Service Centre and obtain advice
th ere. #
Check the setting of the maximum
ch arge cur rent using thech arging capa-
city shown in the Instrument Displa y. Before
charging at a mains soc ket, ha vethe maxi-
mum permissible charging cur rent forth ere leva nt
mains soc ket or the building inspected byaqu ali-
/ed elect rician. The charging cable supplied is set
to a countr y-speci/c maximum charging cur rent
va lue. When charging abroad, the maximum value
may exceed the permitted value forth at countr y.
When abroad, obser vethe count ry-speci/c la ws
when charging. If you ha vequestions concerning
setting thech arging cur rent or if there is a mal-
function, please contact a quali/ed specialist
wo rkshop. #
Set the maximum permissible charging cur-
re nt in the multimedia system menu
(/ page 307). If
th eex act value of the maximum permissible
ch arging cur rent cannot be set, select the next
smaller adjustable value.
% Ifth eve hicle requ ires more time than usual to
ch arge the high-voltage batter y,ch eck the
maximum charging cur rent settings in the
multimedia system menu. Ov Ov
er
ervie
vie w of t
w of t he c
he char
harging cable contr
ging cable contr ol panel
ol panel The
charging cable cont rol panel sho ws the cur-
re nt status of thech arging process. 1
Supply voltage indicator
2 Charging process indicator 204
204
Driving and parking

If
te mp erature monitor 3indicates a malfunc-
tion, it may help toprotect thech arging cable
from direct sunlight.
T T o r
o r ese
ese t t
t the c
he c har
har ging cable oper
ging cable oper ating unit:
ating unit:if
saf ety sy stem 4indicates a charging cable mal-
function or a vehicle malfunction, /rst reset the
ch arging cable operating unit. Todo this, discon-
nect thech arging cable from theve hicle and from
th e mains soc ket and waitfor appr oximately /ve
seconds. If the malfunction persists aTer the
ch arging cable is reconnected, charging at the
mains soc ket is not possible. The charging cable
must be replaced or theve hicle plug must be
ch ecked at a quali/ed specialist workshop,
depending on the indicator. F
F
unctions of t
unctions of t he indicat
he indicator lam
or lamps on t
ps on t he v
he vehicle
ehicle
soc ket
soc ket R
Depending on the national version, one of the
fo llowing vehicle soc kets is loca ted on the
ri ght-hand side of there ar bumper.
R The soc ket 0ap is centrally loc ked and
unloc kedto get her with theve hicle. T
T
ype 1 v
ype 1 v ehicle soc ket
ehicle soc ket 1
Status of thech arging process Ov
Ov
er
ervie
vie w of t
w of t he indicat
he indicat or lam
or lamp st
p status
atus Indicat
Indicat
or lamp
or lamp Meaning
Meaning
Flashes orang eConnection is being
established
Flashes green Charging process
Lights up orang eInterruption in charg-
ing
Lights up green High-voltage battery
fullycharged
Flashes redM alfunction206
206
Driving and parking

T
T
ype 2 v
ype 2 v ehicle soc ket
ehicle soc ket 1
Locking status
2 Status of thech arging process Ov
Ov
er
ervie
vie w of t
w of t he loc
he loc king st
king st atus
atus Loc
Loc
king st
king st a-
a-
tus
tus 1
1 Displ
ay
Display Meaning
Meaning
% Lights up
whiteR
The vehi-
cle soc ket
is
unloc ked
R Connect
orremo ve
ch arging
cable Ov Ov
er
ervie
vie w of t
w of t he c
he char
harging pr
ging pr ocess st
ocess st atus
atus S
S
t
tatus of t
atus of t he
he
c
c har
har ging
ging
pr
pr ocess
ocess 2
2 Displ
ay
Display Meaning
Meaning
# Flashes
orangeConnection is
being estab-
lished
# Flashesgreen Active energy
0ow S S
t
tatus of t
atus of t he
he
c
c har
har ging
ging
pr
pr ocess
ocess 2
2 Display
Display
Meaning
Meaning
# Lights up
orangeInter
ruption in
ch arging
# Lights up
green Charging
process com-
ple
ted
# FlashesredA malfunction
has occur red
during charg-
ing. The indi-
cator lamp
goes out aTer
appr oximately
90 seconds. %
Ifth e indicator lamps are o., lock or unlock
th eve hicle using thekey. The indicator lamps
will then display the cur rent status of the
ch arging process. Driving and parking
207 207

S
S
t
tar
ar ting t
ting t he c
he char
harging pr
ging pr ocess
ocess &
D
DAN
AN GER
GER Risk of death when charging at a
damaged soc ket
The charging process uses high voltage.
If th ech arging cable, theve hicle soc ket or the
mains soc ket are damaged, you could receive
an elect ric shoc k. #
Only use an undamaged charging cable. #
Avoid mechanical damage such as crush-
ing, abrading or driving overth e cable. #
Have a damaged vehicle soc ketre placed
at a quali/ed specialist workshop as
soon as possible. #
Never connect thech arging cable to a
damaged vehicle soc ket. *
N
NOOTE
TE Damage totheve hicle due toove r-
vo ltage in the mains supply The
vehicle is equipped with an elect rical fuse
which pr otects it against overvoltage in the
mains suppl y.This electrical fuse may trip dur- ing se
vere thunderstorms, forex ample, and
may cause the fuse in the building totrip or
may inter rupt thech arging process. These
functions pr otect theve hicle.
ATer the fuse in the building is switched on
again, thech arging process resumes automat-
icall y.
Fo llowing an inter ruption in the po wer supply
without the fuse in the building being tripped,
it may take up to te n minutes forch arging to
re sume automaticall y. *
N
NO
OTE
TE Damage due toove rheating of
ch arging cable and charging cable con-
nector During
thech arging process, thech arging
cable and charging cable connector can heat
up within their permissible limit values.
The permissible limit values are in0uenced by
th efo llowing factors:
R the po wer supply system and thech arging
cable are not damaged R
the inst ructions for handling thech arging
cable and the control element on the
ch arging cable ha vebeen obser ved #
Ifth ech arging cable or charging cable
connector becomes too hot, ha vethe
po we r supply system checked. *
N
NOOTE
TE Damaged or dirty vehicle soc ket
when the soc ket 0ap is open #
Alwayske ep the soc ket co ver and the
soc ket 0ap closed when there is no
ch arging cable connected. This pr otects
th eve hicle soc ket from dirt and damage. #
Make sure that the soc ket co ver is
closed proper lybefore closing the soc ket
0ap. This can otherwise result in damage
which may pr event the soc ket 0ap from
being opened again. 208
208
Driving and parking

*
N
N O
OTE
TE Damage totheve hicle soc ket or the
ch arging cable connector due toincor rect
handling Do not use
excessive forc e (maximum 300 N)
to insert thech arging cable connector into the
ve hicle soc ketto the stop. You may otherwise
damage theve hicle soc ket,thech arging cable
connector or their contacts. #
Ifyo ufe el there is increased resis tance,
pull thech arging cable connector out of
th e soc ket and reinsert it. R
R
eq
eq uir
uir ements:
ements:
R The transmission is in position j.
R The hybrid system is not activated. The õ
display in the Instrument Display is o..
R The vehicle is unloc ked.
R The charging cable is not taut. T
T
ype 1 v
ype 1 v ehicle soc ket
ehicle soc ket #
Press the bottom leT of soc ket 0ap 1and
swing the soc ket 0ap open outwards.
% When thehy brid system is activated (the
õ display in the Instrument Display),
soc ket 0ap 1cannot be opened. #
Press catch 3tothe leT and fold open
soc ket co ver5. #
T
To c
o c harg
harg e at a mains soc ke
e at a mains soc ket (mode 2):
t (mode 2): insert
th e mains plug into the mains soc ket of the
ex tern al po wer source tothe stop. #
Set the maximum charging cur rent if requ ired. #
Insert thech arging cable connector into vehi-
cle soc ket2 tothe stop.
Make sure that thech arging cable is not taut
when inser ted.
Indicator lamp 40ashes orange and, as soon
as the high-voltage battery is charge d, green. #
T
To c
o c harg
harg e at a w
e at a w allbo
allbox/c
x/char
harging st
ging st ation
ation
(mode 3):
(mode 3): insertthech arging cable connector
into vehicle soc ket2 tothe stop.
Make sure that thech arging cable is not taut
when inser ted.
Indicator lamp 40ashes orange and, as soon
as the high-voltage battery is charge d, green.
When thech arging cable is connected totheve hi-
cle, theve hicle cann otbe star ted or mo ved.
At the start of thech arging process, thech arging
side is shown in the Instrument Display with a
ch arging prediction. The charging prediction
either refers to the predicted charge leve l at the Driving and parking
209
209

set departure time, or
the time at which the high-
vo ltage battery will be fully charge d.
T
T ype 2 v
ype 2 v ehicle soc ket
ehicle soc ket #
Press the bottom leT of soc ket 0ap 1and
swing the soc ket 0ap open outwards.
The % indicator lamp 4lights up. %
When thehy brid system is activated (the
õ display in the Instrument Display),
soc ket 0ap 1cannot be opened. #
Press catch 3tothe leT and fold open
soc ket co ver6. #
T
T o c
o c harg
harg e at a mains soc ke
e at a mains soc ket (mode 2):
t (mode 2): insert
th e mains plug into the mains soc ket of the
ex tern al po wer source tothe stop. #
Set the maximum charging cur rent if requ ired. #
Insert thech arging cable connector into vehi-
cle soc ket2 tothe stop.
Make sure that thech arging cable is not taut
when inser ted.
The # indicator lamp 50ashes orange
and, as soon as the high-voltage battery is
ch arge d, green. #
Char
Char ging at a w
ging at a w allbo
allbo x/c
x/char
harging st
ging st ation (mode
ation (mode
3) wit
3) wit hout pr
hout pr e-inst
e-installed cable:
alled cable: insertthe
ch arging cable connector into vehicle soc ket
2 tothe stop. #
Insert thech arging cable connector into the
soc ket of thewa llbox tothe stop.
Make sure that thech arging cable is not taut
when inser ted.
The # indicator lamp 50ashes orange
and, as soon as the high-voltage battery is
ch arge d, green.
When thech arging cable is connected totheve hi-
cle, theve hicle cann otbe star ted or mo ved.
At the start of thech arging process, thech arging
side is shown in the Instrument Display with a
ch arging prediction. The charging prediction
either refers to the predicted charge leve l at the
set departure time, or the time at which the high-
vo ltage battery will be fully charge d.
% Depending on thete mp erature, thefa n and
bat tery cooling system may audibly switch on
during thech arging process.
% Ifth eve hicle is idle for lengt hyperiods and
connected tothe mains suppl y,the high-volt-
age battery will be rech arge d automatically as
needed or when electrical consumers are
activated. 210 210
Driving and parking

Ending t
Ending t
he c
he char
harging pr
ging pr ocess
ocess T T
ype 1 v ype 1 v ehicle soc ket
ehicle soc ket #
Press and hold button 1onthech arging
cable connector and remo vethech arging
cable connector from theve hicle soc ket.
% Ifth ech arging cable connector is bloc ked,
contact a quali/ed specialist workshop. #
Char
Char ging at a mains soc ke
ging at a mains soc ket (mode 2):
t (mode 2): discon-
nect the mains plug from the mains soc ket
and st owthech arging cable safely in theve hi-
cle (/ page 200). #
Close the soc ket co ver and the soc ket 0ap.
T
T ype 2 v
ype 2 v ehicle soc ket
ehicle soc ket #
Unlo cktheve hicle.
The charging process is ended. The %indi-
cator lamp 1lights up white. The vehicle
soc ket is unloc ked. #
Remo vethech arging cable connector from
th eve hicle soc ket within 30 seconds.
ATer the 30 seconds ha veelapsed, theve hicle
soc ket will be loc ked again and thech arging
process will resume.
% Ifyo u cannot remo vethech arging cable con-
nector, repeat the unlocking procedure. If the
ch arging cable connector is still loc ked, con-
ta ct a quali/ed specialist workshop. #
Char
Char ging at a mains soc ke
ging at a mains soc ket (mode 2):
t (mode 2): discon-
nect the mains plug from the mains soc ket
and st owthech arging cable safely in theve hi-
cle (/ page 200). #
Char
Char ging at a w
ging at a w allbo
allbox/c
x/char
harging st
ging st ation (mode
ation (mode
3) wit
3) wit hout pr
hout pr e-inst
e-installed c
alled c har
harging cable:
ging cable:
re mo vethech arging cable connector from the
wa llbox soc ket and st owthech arging cable
safely in theve hicle (/ page 200). #
Close the soc ket co ver and the soc ket 0ap. Driving and parking
211
211