ECO mode MERCEDES-BENZ E-CLASS SALOON 2021 Owners Manual

Fo
r fur ther information about there cycling and
disposal of end-of-life vehicles, and theta ke -back
conditions, please visit the national
Mercedes-Benz website foryo ur countr y. Mer
Mer
cedes-Benz GenuineP
cedes-Benz GenuineP ar
arts
ts
+ ENVIR ENVIR
ONMENT ONMENT AL NO
AL NOTE
TE Environmental
damage caused bynot using recycled
re conditioned components Mercedes‑Benz
AGo.ers recycled recondi-
tioned components and parts with the same
qu ality as new parts. The same entitlement
from the implied warranty is valid as for new
parts. #
Recycled reconditioned components and
parts from Mercedes‑Benz AG. *
N
NO
OTE
TE Impai rment of the operating e1-
ciency of there straint systems from
installing accessor y parts or fromrepairs
or we lding Airbags and seat belt
tensioners, as well as
control units and sensors forth ere straint sys-
te ms, may be ins talled in thefo llowing areas
of your vehicle:
R Doors
R Door pillars
R Door sills
R Seats
R Cockpit
R Instrument clus ter
R Centre console
R Lateral roof frame #
Do not ins tall accessory parts such as
audio systems in these areas. #
Do not car ryout repairs or welding. #
Have accessory parts retro/tted at a
qu ali/ed specialist workshop. Yo
u could jeopardise the operating saf ety of your
ve hicle if you use parts, tyres and wheels as well
as accessories releva nt tosaf ety which ha venot
been app rove dby Mercedes-Benz. Saf ety-re leva nt
systems, e.g. the brake system, may malfunction.
Only use Mercedes-Benz GenuineParts or parts of
equal qualit y.Only use tyres, wheels and acces-
sory parts that ha vebeen speci/cally appr oved
fo ryo ur vehicle model.
Mercedes-Benz tests original pa rts and con ver-
sion parts and accessory parts that ha vebeen
speci/cally appr ovedfo ryo ur vehicle model for
th eir reliability, saf ety and suitability. Despite
ongoing mar ketre sear ch, Mercedes-Benz is
unable toassess other parts. Mercedes-Benz
th erefore accepts no responsibility forth e use of
such parts in Mercedes-Benz vehicles, even if
th ey have been o1cially appr oved or independ-
ently appr ovedby ate sting centre.
Ce rtain parts are only o1cial lyappr ovedfor
installation or modi/cation if they comply with
legal requ irements. All Mercedes-Benz Genuine-
Pa rts meet the appr oval requ irements. The use of
non-appr oved parts may in validate theve hicle's
ge neral ope rating permit. 24 24
General no
tes

#
Guide TopTe ther belt 4under head restraint
1 between the two head restraint ba rs. #
Hook TopTe ther hook 5ofTopTe ther belt
4 into TopTe ther anchorage 3without
twisting. #
Tension TopTe ther belt 4. In doing so, com-
ply with thech ild restraint system manufactu r-
er's installation inst ructions. #
Fold down co ver2 ofTopTe ther anchorage
3. #
If necessar y,slide head restraint 1down-
wa rds (/ page 109). Make sure that you do
not inter fere with the cor rect routing of To p
Te ther belt 4. Secur
Secur
ing t
ing the c
he child r
hild r es
estrtraint syst
aint syst em wit
em with t
h the seat
he seat
belt
belt N
No
ot
tes on t
es on t he suit
he suitability of seats f
ability of seats f or att
or attac
aching belt-
hing belt-
secur
secur ed c
ed child r
hild r es
estrtraint syst
aint syst ems
ems
R
R ear seats
ear seats
W
W eight cat
eight cat egor
egory 0: up t
y 0: up t o 10 kg
o 10 kg
LeT/ right rear seat U, L
Centre rear seat 1
U, L
W W eight cat eight cat egor
egory 0+: up t
y 0+: up t o 13 k
o 13 kgg
LeT/right rear seat U, L
Centre rear seat 1
U, L
W
W eight cat
eight cat egor
egory I: 9 t
y I: 9 t o 18 kg
o 18 kg
LeT/right rear seat U, L
Centre rear seat 1
U, L
W
W eight cat
eight cat egor
egory II: 15 t
y II: 15 t o 25 k
o 25 kgg
LeT/right rear seat U, L Centre
rear seat 1
U
W
W eight cat
eight cat egor
egory III: 22 t
y III: 22 t o 36 kg
o 36 kg
LeT/right rear seat U, L
Centre rear seat 1
U
1 Child restraint systems wi tha supporting brac ket are
not suitable forth is seat.
U Suitable forch ild rest raint systems of the "Universal"
category in this we ight categor y.
L Suitable for semi-universal child restraint systems
acco rding totheta ble in "Recommended child restraint
systems", or if theve hicle and the seat are lis ted in the
ch ild restraint system manufacturer's vehicle model list. N
No
ot
tes on c
es on c hild r
hild res
estrtraint syst
aint syst ems on t
ems on t he fr
he front
ont
passeng
passeng er seat
er seat
R If it is absolutely necessary foryo uto /t a
ch ild restraint system tothe front passenger
seat, be sure toobser vethe information on
ch ild restraint systems on the front passenger
seat (/ page 74). 70
70
Occupant saf
ety

R
Obser vethe speci/c inst ructions forth ere ar-
wa rd-facing and forw ard-facing child restraint
systems. If the front passenger seat is occu-
pied, ensure, bo thbefore and during the jour-
ne y,that the status of the front passenger air-
bag is cor rect forth e cur rent situation
(/ page 54).
F
F r
ront passeng
ont passeng er seat
er seat
W
W eight cat
eight cat egor
egory 0: up t
y 0: up t o 10 kg
o 10 kg
Fr ont passenger airbag enabled 1
X
Fr ont passenger airbag disabled 1, 2
U, L
W
W eight cat
eight cat egor
egory 0+: up t
y 0+: up t o 13 k
o 13 kgg
Fr ont passenger airbag enabled 1
X
Fr ont passenger airbag disabled 1, 2
U, L
W W eight cat
eight cat egor
egory I: 9 t
y I: 9 t o 18 kg
o 18 kg
Fr ont passenger airbag enabled 1
UF, L
Fr ont passenger airbag disabled 1, 2
U, L
W W eight cat
eight cat egor
egory II: 15 t
y II: 15 t o 25 k
o 25 kgg Fr
ont passenger airbag enabled 1
UF, L
Fr ont passenger airbag disabled 1, 2
U, L
W
W eight cat
eight cat egor
egory III: 22 t
y III: 22 t o 36 kg
o 36 kg
Fr ont passenger airbag enabled 1
UF, L
Fr ont passenger airbag disabled 1, 2
U, L
1 Ad just the seat cushion inclination so that the front
edge of the seat cushion is in the highest position and
th ere ar edge of the seat cushion is in the lo west posi-
tion.
2 The vehicle is equipped with automatic front
passenger airbag shuto.. The PASSENGER AIR BAG
OFF indica tor lamp must be lit.
X Not suitable forch ildren in this we ight categor y.
U Sui table forch ild restraint systems of the "Universal"
category in this we ight categor y. L Suitable
for semi-universal child restraint systems
acco rding totheta ble in "Recommended child restraint
systems", or if theve hicle and the seat are listed in the
ch ild restraint system manufacturer's vehicle model list.
UF Suitable forfo rw ard-facing child restraint systems of
th e "Universal" category in this we ight categor y. Secur
Secur
ing t
ing t he c
he child r
hild r es
estrtraint syst
aint syst em wit
em with t
h t he seat
he seat
belt on t
belt on t he r
he rear seat
ear seat &
W
WARNING
ARNING Risk of accident if there ar
ben chseat, rear seat and seat backrest
are not engaged
The rear ben chseat, rear seat and seat bac k-
re st ma yfo ld forw ards, even while theve hicle
is in motion.
R As a result, theve hicle occupant will be
pressed into the seat belt with increased
fo rc e. The seat belt will not be able topro-
te ct as intended and could cause addi-
tional injur y. Occupant saf
ety
71
71

Ov
Ov
er
ervie
vie w of climat
w of climat e contr
e control syst
ol systems
ems N
No
ot
tes on climat
es on climat e contr
e control
ol An interior air /lter in combination with
the pre/l-
ter inthe engine compartment must alw ays be
used so that the air conditioning system, pollution
le ve l monitoring and the air /lt ration workcor-
re ctl y.Use /lters recommended and appr oved by
Mercedes-Benz. Alw ays ha vemaintenance work
car ried out at a quali/ed specialist workshop. Ov
Ov
er
ervie
vie w of t
w of t he air conditioning contr
he air conditioning contr ol panel
ol panelThe indicator lamps on
the buttons indicate that
th e cor responding function is activated. THERM
ATIC air conditioning cont rol panel with/with-
out stationary heater (e xample)
1 0082 Setsthete mp erature, leT
2 008F Setsthe air distribution
3 H Setsthe air0ow or switches o. climate
control
4 0058 Sets climate control toautomatic mode
(/ page 152)
5 0064 Demists the windscreen 6
Vehicles with THERM ATIC air conditioning
cont rol panel (without stationary heater):
008A calls up the air conditioning menu
Ve hicles with THERM ATIC air conditioning
cont rol panel (with stationary heater, plug-in
hy brid) or THERMOTRONIC air conditioning
control panel (with/without stationary heater,
plug-in hybrid): ! calls up the air condi-
tioning menu, switches residual heat on/o.
(/ page 153)
7 006C Switches there ar wind owheater on/o.
8 Vehicles with THERM ATIC air conditioning
cont rol panel without stationary heater: 0
switches synchronisation on/o.
(/ page 152)
Ve hicles with THERM OTRO NIC air condition-
ing control panel without stationary heater:
005A switches the A/C function on/o.
(/ page 151)
Ve hicles with a stationary heater: 003B
switches the stationary heater on/o.
(/ page 158) 150 150
Climate control

Calling up t
Calling up t
he air
he air-conditioning menu using t
-conditioning menu using t he
he
butt
butt on on t
on on t he climat
he climat e contr
e control panel
ol panel #
Press the! button on the climate control
panel. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the A/C function via t
he A/C function via t he
he
multimedia syst
multimedia syst em
emThe A/C function heats, cools and dehumidi/es
th eve hicle's interior air. #
Call up the air-conditioning menu
(/ page 151). #
Select First row of seats. #
Select A/C. Se
Se
tting climat
tting climat e contr
e control t
ol to aut
o aut omatic mode
omatic mode In automatic mode,
the set temp erature is con-
trolled and maintained at a constant le velby the
air suppl y. #
Press the 0058 button. #
T
To switc
o switc h t
h to manual mode:
o manual mode: pressthe H or
008F button. Climat
Climat
e s
e stytyle
le Climat
Climat
e s
e stytyle function
le function
The following climate styles are available in auto-
matic mode:
R F
FOCUS:
OCUS: high air0o w,slightly cooler setting
R MEDIUM: MEDIUM: medium air0o w,standa rdsetting
R DIFFUSE: DIFFUSE: low air0ow,slightly warmer and
draught-free setting
Se
Se tting t
tting t he climat
he climat e s
e stytyle
le #
Call up the air conditioning menu
(/ page 151). #
Select First row of seats orSecond row of
seats. #
Call up theCLIMATE MODE menu. #
Select a climate style. Se
Se
tting t
tting t he air dis
he air distr tribution
ibution #
Call up the air conditioning menu
(/ page 151). #
Select a row of seats. #
T
To se
o se t t
t the air dis
he air dis tr
tribution: select
ibution: select 0061,009C
or 009B. #
Set the air0o w.
% Several air distribution options can be selec-
te d at the same time, forex ample toset the
climate cont rolfo rth e windscreen and the
fo ot we lls simultaneousl y.
The 0061 climatecont rolfo rth e windscreen
can only be selected forth e /rst seat row. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the climat
he climat e contr
e control syn-
ol syn-
c
c hr
hr onisation function via t
onisation function via t he air conditioning con-
he air conditioning con-
tr
tr ol panel
ol panel Climate cont
rol can be set centrally using the syn-
ch ronisation function. The temp erature and air
distribution settings forth e driver's side will be
adop ted automatically forth e front passenger
side. #
Press the0 button.
The synchronisation function will be deactivated if
th e settings for one of theot her climate cont rol
zones are changed. 152
152
Climate cont
rol

A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the climat
he climat e contr
e control syn-
ol syn-
c
c hr
hr onisation function via t
onisation function via t he multimedia syst
he multimedia system
em Climate cont
rol can be set centrally using the syn-
ch ronisation function. The driver's settings for
te mp erature, air quantity and air distribution are
adop ted automatically for all climate zones. #
Call up the air conditioning menu
(/ page 151). #
Select First row of seats. #
Select SYNC. Demis
Demisting t
ting the windo ws
he wind ows W
W
indow
indow s mist
s mist ed up on t
ed up on t he inside
he inside #
Press the0058 button. #
Ifth e windo wscontinue tomist up: press the
0064 button.
W
W indow
indow s mist
s mist ed up on t
ed up on t he outside
he outside #
Switch on the windscreen wipers. #
Press the0058 button. Switc
Switc
hing air
hing air -r
-recir
ecir culation mode
culation mode on/o.
on/o. #
Press the0072 button.
The interior air will be recirculated.
Air-recirculation mode automatical lyswitches to
fresh air mode aTer a while.
% If air-re circulation mode is switched on, the
wind ows may mist up more quickl y.Switch on
ai r-re circulation mode only brie0y. Switc Switc
hing t
hing t he r
he residual heat
esidual heat on/o.
on/o. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is par ked.
It is possible tomake use of there sidual heat
from the engine tocontinue heating or ventilating
th e front compartment of theve hicle for appr ox-
imately 30 minutes. #
T
To switc
o switc h on:
h on:press the! button.
Re sidual heat is switched o. automaticall y. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating ionisation
ating ionisation Ionisation impr
ovesth e quality of theve hicle's
interior air. Ionisation of the interior air is odour-
less. #
Call up the air conditioning menu
(/ page 151). #
Select Air quality. #
Select IONISATION. F
F
r
ragr
agr ance syst
ance syst em
em Se
Se
tting t
tting t he fr
he fragr
agr ance syst
ance syst em
em
R
R eq
eq uir
uir ements:
ements:
R Automatic climate control is activated.
R The glo vecompartment is closed.
The frag rance system distributes a pleasant fra-
gr ance thro ughout theve hicle interior from a 0a-
con located in the glo vebox. #
Call up the air conditioning menu
(/ page 151). #
Select Air quality. Climate control
153
153

Dr
Dr
iving
iving N
No
ot
tes on Mer
es on Mer cedes-
cedes-AMG v
AMG vehicles
ehicles Obser
vethe no tes on thefo llowing topics in the
Supplement, otherwise you may failto recognise
dangers.
% The availability of cer tain functions depends
on the equipment and model of theve hicle.
R Emotion Start
R AMG per form ance exhaust system
R AMG ceramic high-per form ance composite
brake system
R RACE START
R DRIFT MODE
R AMG RIDE CONTROL +
R AMG steering-wheel but tons N No
ot
tes on plug-in h
es on plug-in h ybr
ybrids
ids N
No
ot
tes on plug-in h
es on plug-in h ybr
ybrid oper
id oper ation
ation &
W
WARNI NG
ARNI NGRisk of chemical burns and poi-
soning from damaged high-voltage battery
If th e housing of the high-voltage battery has
been damaged, electrolyte and gases may
leak out. #
Avoid contact with the skin, eyes or
clo thing. #
Immediate lyrinse electrolyte splashes
o. with water and seek medical atten-
tion straight away. &
D
DAN
AN GER
GER Risk of explosion from excessive
internal pressure of the high-voltage bat-
te ry
Flammable gas may escape and ignite in the
eve nt of a vehicle /re. #
Stop thech arging process immediately
in case of unusual odours, smoke or
burn mar ks. #
Leavethe danger zone immediatel y.
Secure the danger zone at a su1cient
distance. #
Call the /re brigade. The
hybrid system combines a combustion engine
with an electric mo tor.
Characteristics when theve hicle is at a standstill:
R The combustion engine is generally switched
o..
R Idle speed only occurs in cer tain instances.
Characteristics when starting theve hicle:
R Ifth e high-voltage battery is su1ciently
ch arge d, theve hicle can be star ted with the
electric drive without the combustion engine
(noiseless start).
R Ifth e high-voltage battery forth e electrical
drive is not su1ciently charge d or the operat-
ing temp erature of the combustion engine has
not been reached, theve hicle can start with
th e combustion engine. 164 164
Driving and parking

#
T
To switc
o switc h on t
h on the v
he vehicle:
ehicle: press button 1
twice.
Indicator and warning lamps go on in the
inst rument clus ter.
The vehicle is switched o. again if one of thefo l-
lowing conditions is met:
R you do not start theve hicle within 15 minutes
and the transmission is in position 005Dorthe
electric parking brake is applied.
R you press button 1once. S S
t
tar
ar ting t
ting t he v
he vehicle
ehicle S
S
t
tar
ar ting t
ting t he v
he vehicle wit
ehicle wit h t
h the st
he st ar
art/st
t/st op butt
op butt on
on &
D
DAN
AN GER
GER Risk of fatal injuries caused by
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and leads topoisoning. #
Never lea vetheve hicle or, if present, the
stationa ryheater running in an enclosed
space without su1cient ventilation. &
W
WARNI NG
ARNI NGRisk of /re due to0ammable
material in the engine compartment or the
ex haust system
Flammable materials may ignite. #
Therefore, check regula rly th at there are
no 0ammable materials in the engine
compartment or on theex haust system. R
R
eq
eq uir
uir ements:
ements:
R theke y is in theve hicle and is recognised. #
ShiT the transmission toposition 005Dor005C. #
Depress the brake pedal and press button 1
once. #
Ifth eve hicle does not start: switch o. non-
essential consumers and press but ton1
once. #
Ifth eve hicle still does not start and the dis-
play message Place the key in the marked
space See Owner's Manual appears inthe inst
rument displa y: starttheve hicle with the
ke y in the mar ked space (emer gency ope ra-
tion mode) (/ page 168).
% You can switch o. theve hicle while driving. To
do this, press button 1for about thre e sec-
onds or bypressing button 1thre e times
within thre e seconds. Be sure toobser vethe
saf ety no tes under "Driving tips"
(/ page 172).
Obser veany information rega rding display mes-
sages that can be displ ayed onthe inst rument
displa y.
S
S t
tar
ar ting t
ting t he v
he vehicle wit
ehicle wit h t
h the ke
he key in t
y in t he mark
he mark ed
ed
space (emerg
space (emerg ency oper
ency operation mode)
ation mode)
If th eve hicle does not start and thePlace the
key in the marked space See Owner's Manual
message appears in the inst rument displa y,you
can start theve hicle in emer gency ope ration
mode. 168 168
Driving and parking

-
theve hicle rolls on a downhill gradient and
does not automatically enter glide mode at
20 km/h.
ECO start/stop function symbols in the inst ru-
ment displa y:
R the symbol 00D6(gre en) appears when the
ve hicle is at a standstill: the engine was
switched o. bythe ECO start/s top function.
R the symbol 00D5(yellow) appears when the
ve hicle is at a standstill: not all vehicle condi-
tions for an engine stop ha vebeen met.
R neither the symbol 00D6nor00D5 appears
when theve hicle is at a standstill: an intelli-
ge nt stop inhibitor was de tected, e.g. a stop
sign.
R the symbol sappears: the ECO start/s top
function is deactivated or there is a malfunc-
tion.
If th e engine was switched o. bythe ECO start/
stop function and you lea vetheve hicle, a warning
to ne sounds and the engine is not restar ted. In
addition, thefo llowing display message appears in
th e instrument displa y: Vehicle is operational Switch off ignition before
exiting
If yo u do not switch o. theve hicle, it is automati-
cally switched o. aTer thre e minutes.
Deactiv
Deactiv ating or activ ating or activ ating t
ating the EC
he ECO st
O star
art/st
t/st op
op
function
function #
Press button 1.
If indicator lamp 2lights up, the ECO start/
stop function is activated.
% Depending on the model and theve hicle
equipment, the button may also be located at
a di.erent position in the centre console. EC
EC
O displa
O displa y function
y function The ECO display summarises
your driving charac-
te ristics from the start of the journey toits com-
pletion and assists you in achieving the most eco-
nomical driving style.
Yo u can in0uence consum ption bydoing thefo l-
lowing:
R driving with particular care.
R following thege arshiT recommendations. 176 176
Driving and parking

The lettering in
the segment will light up brightl y,
th e outer edge will light up and the segment will
/ll up when thefo llowing driving style is adop ted:
R 1 Steady speed
R 2 Gentle deceleration and rolling
R 3 Moderate acceleration
The lettering in the segment will be grey ,th e outer
edge will be dark and the segment will em pty
when thefo llowing driving style is adop ted:
R 1 Fluctuations in speed
R 2 Heavy braking
R 3 Sporty acceleration The ECO display will show
you when you ha ve
driven economicall y:
R The thre e segments will /ll up comple tely at
th e same time
R The edges around all thre e segments will light
up
The additional range achie ved as a result of your
driving style in comparison with a driver with a
ve ry sporty driving st yle will be shown in the
cent reof display 4. Therange displa yed does
not indicate a /xed reduction in consum ption. EC
EC O Assis O Assist function (v t function (v ehicles wit
ehicles with 48 V on-board
h 48 V on-board
electr
electr ical syst
ical syst em)
em) Fo
r plug-in hybrids, no tethe ECO Assist informa-
tion (/ page 180).
ECO Assist anal yses data forth eve hicle's expec-
te d rou te. This allo ws the system tooptimally
adjust the driving style forth ero ute ahead, sa ve
fuel and recuperate.
ECO Assist is displa yed on theAssistance
menu(/ page 283). 1
Event ahead
2 Distance display forth eev ent ahead
3 "Foot o. the accelerator" prom pt Displa
yable route events 1 Driving and parking
177
177