light MERCEDES-BENZ E-CLASS ESTATE 2021 Repair Manual

If
yo uta ke your foot o. the accelerator pedal in
good time, there maining segments on the display
will successively turn green until theeve nt sh own
is reached. The driv etra in will be set for minimal
energy consum ption. The vehicle will recuperate
autonomously and thus charge the batter y.
% You can also manually increase or reduce the
re cuperation in drive prog ram Î. Ho wever,
ECO Assist is available only in thehÃ
setting (/ page 192).
If th ere is no response tothe "Foot o. the accel-
erator" prom pt3 ,th e segments will remain
white.
The event will be shown for a short time aTer it
has been passed.
If th eev ent in volves a vehicle in front, the symbol
will be shown in green as soon as there is a
re sponse to"Foot o. the accelerator" prom pt3 .
If th e system does not inter vene during theev ent
ahead, no thing will be displa yed. The system will
be passive. Syst Syst
em limits
em limits
ECO Assist can function even more precisely if
th ero ute is adhered towhen route guidance is
active. The basic function is also available without
active route guidance. Not all information and
tra1c situations can be fore seen. The quality
depends on the map data.
ECO Assist is only an aid. The driver is responsible
fo rke eping a safe distance from theve hicle in
front, forve hicle speed and for braking in good
time. The driver must be ready tobrake at all
times ir respecti veof whe ther the system inter-
ve nes.
The system may be impai red or may not function
in thefo llowing situations:
R If visibility is poor, e.g. due toinsu1cient illu-
mination of thero ad, highly variable shade
conditions, rain, sno w,fog or heavy spr ay.
R Ifth ere is glare, e.g. from oncoming tra1c,
direct sunlight or re0ections.
R Ifth ere is dirt on the windscreen in the area of
th e multifunction camera or the camera is
misted up, damaged or obscured. R
Ifro ad signs are hard todetect, e.g. due to
dirt, snow or insu1cient lighting, or because
th ey are obscured.
R Ifth e information on the navigation system's
digital map is incor rect, insu1cient or out of
date.
R If signs are ambiguous, e.g. road signs in road-
wo rks or in adjacent lanes. F F
unction of t
unction of t he r
he rout
oute-based oper
e-based oper ating-mode s
ating-mode strtrat-
at-
egy (plug-in h
egy (plug-in h ybr
ybrid)
id) %
The following function is countr y-dependent
and available only in conjunction with an inte-
gr ated navigation system.
The route-based operating-mode strategy is active
only in drive prog rams A and;. When
ro ute guidance is active, data on the planned
ro ute is anal ysed. This function can be activated
and deactivated in the multimedia system
(/ page 341).
If th e function is active, data on the fur ther course
of thero ute is evaluated. This includes, e.g. road
type, speed limi tations and altitude data. 194
194
Driving and parking

Glide mode is
characterised bythefo llowing:
R The combustion engine is disconnected from
th e driv etra in and continues torun in neutral.
R The transmission position display his sh own
in green.
R V
Vehicles wit
ehicles wit h 48 V on-boar
h 48 V on-boar d electr
d electrical syst
ical syst em:
em:
th e combustion engine can be switched o..
All of theve hicle functions remain active.
Glide mode is activated if thefo llowing conditions
are met:
R Drive prog ram ; is selected.
R The speed is within a suitable range.
R The road's course is suitable, e.g. no steep
uphill or downhill inclines or tight bends.
R There is no trailer hitched up tothe trailer
hitch, and no bicycle rack Fitted.
R You do not depress the accelerator or brake
pedal (e xcept for light brake applications).
% Glide mode can also be activated if you ha ve
selected the "Eco" setting forth e drive in the
drive prog ram =. Glide mode is deactivated again if one of
the con-
ditions is no longer met.
Glide mode can also be pr evented bythefo llowing
parame ters:
R Incline
R Downhill gradient
R Temp erature
R Height
R Speed
R Operating status of the engine
R Tra1c situation F F
unction of t
unction of t he 4MA
he 4MATIC
TIC
4MATIC ensu resth at all four wheels are driven.
To ge ther with ESP ®
and 4ETS, 4MATIC impr oves
th e traction of your vehicle whene ver a driven
wheel spins due toinsu1cient traction.
If yo ufa ilto adapt your driving style, 4MATIC can
neither reduce therisk of an accident nor override
th e la wsof ph ysics. 4MATIC cannot take account
of road, weather and tra1c conditions. 4MATIC is
only an aid. You are responsible especially formaintaining a safe distance from
theve hicle in
front, forve hicle speed, for braking in good time
and for st aying in lane.
% In wintry road conditions, the maximum e.ect
of 4MATIC can be achie ved only if you use
winter tyres (M+S tyres), with snow chains if
necessar y. R
R
efuelling
efuelling R
R
efuelling t
efuelling t he v
he vehicle
ehicle &
W
WARNING
ARNING Risk of /re or explosion from
fuel
Fu els are highly 0ammable. #
Fire , naked 0ames, smoking and creating
spar ksmust be avoided. #
Before refuelling, switch o. theve hicle
and, if /tted, the stationary heater and
ke ep switched o. during /lling. Driving and parking
203
203

Even small amounts of
the wrong fuel
could result in damage tothe fuel system
and the engine. The repair costs are high. #
Consult a quali/ed specialist workshop. #
Have the fuel tank and fuel lines drained
comple tely. *
N
NO
OTE
TE Damage tothe fuel system caused
by ove r/lled fuel tanks #
Only /ll the fuel tank until the pump noz-
zle switches o.. *
N
NOOTE
TE Fuel may spr ayout when you
re mo vethe fuel pump nozzle #
Only /ll the fuel tank until the pump noz-
zle switches o.. R R
eq
eq uir
uir ements:
ements:
R The vehicle is unloc ked.
R Plug-in h Plug-in h ybr
ybrid:
id:the fuel tank was depressurised
by pulling the button before theve hicle was
re fuelled. This function is countr y-dependent. %
Do not getinto theve hicle again during the
re fuelling process. Othe rwise, electrostatic
ch arge could build up again.
Obser vethe no tes on operating 0uids and fuel.
The recommended octane number foryo ur vehi-
cle can be found on the information label in the
fuel /ller 0ap.
Depr
Depr essur essur ising t
ising t he fuel t
he fuel t ank (plug-in h
ank (plug-in h ybr
ybrid)
id) #
Pull but ton1.
Indica tor lamp 20ashes and thePlease
wait Depressurising tank message appears in
th e Instrument Displa y.
When the fuel tank is dep ressurised, indicator
lamp 2lights up continuousl y.
The Tank is depressurised Ready for refuel-
ling messa geappears in the Instrument Dis-
pla y.
% Inthefo llowing situations there is a malfunc-
tion:
R indicator lamp 20ashes initially and then
goes out
R theye llow ; engine diagnosis warning
lamp lights up
The fuel tank can only be bled if the conditions
mentioned abo veare ful/lled. Otherwise, drive the
ve hicle at least 0.5 km and repeat the procedure.
% Opening the fuel /ller 0ap ma y,in exceptional
cases, take up to15 minutes. 206
206
Driving and parking

#
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. Shor
terch arging times can be achie ved in thefo l-
lowing ways:
R Charging at a wallbox.
R Charging at a 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 The charging 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. N No
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 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. 212
212
Driving and parking

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 341). 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 3
Temp erature monitor indicator
4 Safety sy stem indicator
Suppl
Suppl y v
y volt
oltag
age indicat
e indicat or
or1
1 Display
Display
Meaning
Meaning
Lights up whit eThe supplyvoltage is
connected. Char
Char
ging pr
ging pr ocess indicat
ocess indicat or
or2
2 Display Display
Meaning Meaning
Flashes green The high-voltage bat-
tery isch arging. 214
214
Driving and parking

T
T
em
em per
per atur
atur e contr
e contr ol indicat
ol indicat or
or3
3 Display
Display
Meaning
Meaning
Lights up redT hegreen LED 0ashes
simultaneousl y:ove r-
te mp erature – the
ch arging per form ance
is reduced.
The green LED does
not 0ash: overtemper-
ature – thech arging
process is stopped.
Flashes redO vertemperature at
th e mains plug – the
ch arging process is
stopped. Safe
Safe
ty syst
ty syst em indicat
em indicat or
or4
4 Displ
ay
Display Meaning
Meaning
Flashes redC harging cable mal-
function – cann ot
car ryout thech arging
process, reset the
ch arging cable operat-
ing unit.
Lights up redW hite LED is o.:
po we r supply malfunc-
tion – cannot car ry
out thech arging proc-
ess, replace the mains
soc ket.
White LED is on: vehi-
cle malfunction – can-
not car ryout the
ch arging process,
re set thech arging
cable operating unit. When all
four displa yslight up, thech arging cable
operating unit per form s a self-test. 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
harging 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. Driving and parking
215
215

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 alfunction T
T
ype 2 v
ype 2 v ehicle soc ket
ehicle soc ket 1
Locking status
2 Status of thech arging process 216
216
Driving and parking

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 Display
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. 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- Driving and parking
217
217

%
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 up 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
allbo x/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
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 up soc ket
co ver6. #
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.
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 Driving and parking
219
219

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 210). #
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 210). #
Close the soc ket co ver and the soc ket 0ap.
% ATer thech arging cable connector has been
disconnected, the leT % indicator lamp 1
on theve hicle soc ketre mains lit for some
time before switching o.. F
F
unction of t
unction of t he c
he charg
harg e lev
e lev el displa
el displa y in t
y in t he Ins
he Instr tru-
u-
ment Display
ment Display 1
Current charge level
2 Time at which comple tely ch arged
3 Predicted charge leve l at pre-selected depar-
ture time
4 Current charging capacity
When theve hicle is connected tothe mains sup-
ply and is switched o., the Instrument Display
sho ws th ech arge leve l display for appr oximately
two minutes.
The value for cur rent charging capacity 4may
di.er from the display on thech arging station. At Driving and parking
221 221