belt MERCEDES-BENZ E-CLASS COUPE 2021 Workshop Manual

T
T
r
railer hitch
ailer hitch
R Obser vethe no tes on care in the trailer hitch
manufacturer's operator manual.
R Do not clean the ball neck with a high-pres-
sure cleaner or sol vent.
R Remo vetraces of rust on the ball, forex ample,
with a wire brush.
R Remo vedirt with a lint-free clo th.
R ATer cleaning, lightly oil or grease the ball
head.
% Before using trailers with anti-torsional cou-
pling, obser vethe manufacturer's operator
manual. N
No
ot
tes on car
es on car e of t
e of the int
he int er
erior
ior &
W WARNING
ARNING Risk of injury from plastic parts
breaking o. aTer the use of sol vent-based
ca re products
Care and cleaning products containing sol-
ve nts can cause sur faces in the cockpit to
become porous. When the airbags are
deplo yed, plastic parts may break away. #
Do not use any care or cleaning products
containing sol vents toclean the cockpit. &
W WARNING
ARNING Risk of injury or fatal injuries
from bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, forex ample, cause seat belts to tear
or fail in an accident. #
Never bleach or dye seat belts. To
avo id damage totheve hicle, obser vethefo l-
lowing no tes on cleaning and care:
Seat belts Seat belts R Clean with luk ewarmand soapy water.
R Do not use chemical cleaning agents.
R Do not dry byheating them toove r 80°C or
ex posing them todirect sunlight.
Display
Display
R Switch o. the display and let it cool down. R
Clean the sur face carefully with a micro/bre
clo thand a suitable displ aycare product (TFT-
LC D).
R Do not use any other agents.
Head-up displ ay
Head-up display
R Clean with a soT, non-static, lint-free clo th.
R Do not use cleaning agents.
Plas Plastic tr tic tr im
im
R Clean with a damp micro/bre clo th.
R For heavy soiling: Use a cleaner recommen-
ded for Mercedes-Benz.
R Do not attach stic kers, /lms or similar materi-
als.
R Do not allow cosmetics, insect repellent or
sun cream tocome in contact with the plastic
trim.
R
R eal w
eal w ood and tr
ood and tr im elements
im elements
R Clean with a micro/bre clo th.
R Blackpiano-lacquer look: Clean with a damp
clo thand soapy water.
R For heavy soiling: Use a cleaner recommen-
ded for Mercedes-Benz. 314
314
Maintenance and care

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 429)
ü Seat belt (/ page 429)
ï Trailer hitch (/ page 430)
Ù Powe r steering (/ page 430)
ÿ Coolanttemp erature (/ page 431)
; Engine diagnostics (/ page 431)
% V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow#
Electricalfault (/ page 431)
8 Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 431)
! Electric parking brake (red)
(/page 435)
! Electric parking brake (yellow)
(/page 435)
J Brakes (yellow) (/ page 435)
J Brakes (red) (/ page 435)
L Distancewarning (/ page 437)
Ó Active Brake Assist (/ page 437)
ê Active Brake Assist (/ page 437)
ä AIR BODYCONTROL (/ page 437)
ä DYNAMIC BODY CONTROL
(/ page 437)
! ABS (/page 438)
÷ ESP®
(/ page 438)
å ESP®
OFF (/ page 438)
h Tyre pressure monitoring system
(/ page 441) T
Standing lights (/ page 126)
L Low beam (/ page 126)
K High beam (/ page 128)
#! Turn signal lights (/ page 128)
R Rear fog light (/ page 126) 428 428
Display message
s andwarning/indicator lamps

Occupant safe
Occupant safe
ty
ty W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
6
Re straint system warning
lamp *T
he restraint system redwa rning lamp is lit while theve hicle is on.
The restraint system is malfunctioning (/ page 40). &
W
WARNING
ARNING Risk of injury due tomalfunctions in there straint system
Co mp onents in there straint system ma y be activated unintentionally or not deploy as intended in an accident. #
Have there straint system checked and repaired immediately at a quali/ed specialist workshop. #
Drive on carefull y. #
Notethe messages on the instrument displa y. #
Consult a quali/ed specialist workshop immediatel y.
ü
Seat belt warning lamp
0ashes *T
he red seat belt warning lamp 0ashes and an intermittent warning tone sounds.
The driver or front passenger has not fastened his/her seat belt while theve hicle is in motion. #
Fasten your seat belt (/ page 44).
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. Display messages and
warning/indicator lamps
429
429

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ü
Seat belt warning lamp
lights up *T
he red seat belt warning lamp lights up once theve hicle has star ted.
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp reminds the driver and front passenger tofasten their seat belts. #
Fasten your seat belt (/ page 44).
If yo u ha veplaced objects on the front passenger seat, there d seat belt warning lamp may remain lit. V
V
ehicle
ehicle W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Ù
Po we r steering warning
lamp (red) *T
he red po wer steering warning lamp is lit while theve hicle is running.
The po wer assistance or the steering itself is malfunctioning. &
W
WARNING
ARNING Risk of accident if steering capability is impaired
If th e steering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and tra1c conditions. Do not
continue driving under any circums tances. #
Consult a quali/ed speciali stwo rkshop. #
Notethe messages on the instrument displa y.430
430
Display message
s andwarning/indicator lamps

Dr
Dr
iving syst
iving syst ems
ems W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
L
Wa rning lamp for distance
wa rning function *T
he red distance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obstacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the distance.
Fu nction of Active Brake Assist (/ page 207).
Ó Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
Due todirty sensors or a malfunction, the system is not available or thera nge of functions is restric ted. #
Notethe messages on the instrument displa y.
ê
Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
The system is switched o. or thera nge of functions has been automatically restric ted.
This may be the case if the driver is not wearing a seat belt or ano ther driving system has been activated. #
Obser vethe no tes on Active Brake Assist (/ page 207). Display messages and
warning/indicator lamps
437
437

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 ................................ 127
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...... 50
A
A ut
ut omatic mirr
omatic mirr or f
or folding function
olding function
Ac tivating/deactivating.......................... 142
A
A ut
ut omatic seat adjus
omatic seat adjustment tment
Setting................................................... 104
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
DIRECT SELECT le ver............................. 168
Drive prog ram displa y............................ 167
Drive prog rams...................................... 166
DY NAMIC SELECT switch...................... .166
Engaging drive position.......................... 170
Engaging reve rsege ar............................ 169
Kickdown............................................... 171
Manual gear changing........................... .170
Selecting park position........................... 169
St eering wheel gearshiT paddles............ 170 Tr
ansmission position displ ay................. 168
Tr ansmission position s........................... 168
Axle load
Axle load
Perm issible............................................ 357
Tr ailer operatio n.................................... .370 B
B
Bad w
Bad w eat
eather light
her light ......................................... 130
Bag hook
Bag hook..................................................... 119
Ball neck
Ball neck Folding out/in........................................ 241
B
B AS (Br
AS (Br ak
ake Assis
e Assist Syst t System)
em)........................... 187
Batt
Batt ery
ery
Re mo tecont rol (stationary heater)......... 150
Batt
Batt er
ery (ke
y (ke y)
y)
Re placing................................................. 75
Batt
Batt er
ery (v
y (v ehicle)
ehicle)
Charging (Remo teOnline)..................... .156
No tes..................................................... 323
No tes (starting assis tance and charg-
ing)........................................................ 325
Belt
Belt see Seat belt Bicy
Bicy
cle r
cle r ack
ack
Load capacit y........................................ 370
Tr ailer operatio n.................................... .245
Blind Spo
Blind Spo t Assist
t Assist
Ac tivating/deactivating.......................... 216
Fu nction................................................ 213
System limi tations.................................. 213
Blow
Blow er
er
see Clima tecont rol
BlueTEC
BlueTEC see AdBlue ®
Bonnet
Bonnet Function (active bonnet)......................... 303
Opening/closing.................................... 303
Boo
Boo t lid
t lid
Closing.................................................... 81
HANDS-FREE ACCESS............................. 84
Locking separatel y................................... 86
Opening................................................... 81
Opening dimensions.............................. 368
Br Br ak
ak e Assis
e Assist Syst t System
em
see BAS (Brake Assist System) 446
446
Index

Br
Br
ak
ak e
e 0uid
0uid
No tes..................................................... 366
Br
Br ak
ak e f
e f or
orce disce distr tribution
ibution
EBD (Elect ronic Brake forc e Distribu-
tion).......................................................1 89
Br
Br ak
ak es
es
ABS (Anti-lock Braking System).............. 187
Ac tive Brake Assist................................. 207
Ad aptive brake lights.............................. 191
BAS (Brake Assist System).................... .187
Driving tips............................................ 159
EBD (Electronic Brake forc e Distribu-
tion).......................................................1 89
HOLD function....................................... 190
Limited braking e.ect (salt-treated
ro ads)................................................... .159
Ne w/replaced brake linings/brake
discs...................................................... 157
Ru nning-in no tes.................................... 157
Br
Br aking assist aking assist ance
ance
see BAS (Brake Assist System)
Br
Br eakdo
eakdo wn
wn
Overvi ewofthe help functions................. 16
To w- starting........................................... 333 To
wing away.......................................... 329
Tr anspo rting theve hicle........................ .331
Wheel chang e........................................ 347
Br
Br ea kdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 250 C
C
Calls
Calls Mercedes me......................................... 281
Camera
Camera Information............................................ 185
Camera
Camera see 360° Camera
see Dashcam
see Reversing camera
Car key
Car key
see Key
Car w Car w ash
ash
see Care
Car w
Car w ash (car
ash (car e)
e)............................................ 309 Car
Car
-t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 275
Care
Care 360° camera......................................... 312
Air-water duct........................................ 309
Automatic car wash.............................. .309
Carpet................................................... 314
Decorative foil........................................ 311
Display................................................... 314
Exterior lighting...................................... 312
Head-up display..................................... 314
High-pressure cleaner............................3 10
Pa int...................................................... 311
Plastic trim............................................3 14
Re alwo od/trim elements..................... .314
Re versing camera..................................3 12
Ro of lining............................................. 314
Seat belt................................................ 314
Seat co ver............................................. 314
Sensors.................................................3 12
St eering wheel....................................... 314
Ta ilpipes................................................ 312
Tr ailer hitch........................................... .312
Wa shing byhand.................................... 311
Wheels/rims.......................................... 312 Index
447 447

Wi
ndo ws................................................ 312
Wi per blades.......................................... 312
Car
Car pe
pet (Car
t (Car e)
e)............................................... 314
Changing g
Changing g ears
ears
Manually................................................ 170
Changing hub caps
Changing hub caps ....................................... 347
Char
Char ging
ging
Mobile phone (wireless)........................ .123
On-board electrical system battery
(12 V).................................................... 327
USB port................................................1 23
Chassis
Chassis
Damping characteristics........................ .218
DY NAMIC BODY CONTROL................... .218
Chassis lev
Chassis lev el (AIR BOD el (AIR BOD Y C
Y CONTR
ONTR OL)
OL)
Setting................................................... 220
Child safe
Child safe ty lock
ty lock
Re ar side wind ows................................... 71
Child seat
Child seat
Appr oval catego ries.................................59
At tach ing (no tes)..................................... .58
Basic instructions.................................... 54
Fr ont passenger seat (no tes).................... 69 Fr
ont passenger seat (without auto-
matic airbag shuto.)............................... .68
ISOFIX/i-Size (/tting).............................. .62
No tes on risks and danger s...................... 55
Re commendations forch ild restraint
systems................................................... 57
Seats suitable for belt-secured child
re straint systems..................................... 66
Seats suitable for i‑Size child restraint
systems................................................... 62
Seats suitable for ISOFIX child
re straint systems..................................... 61
Securing on the co-driver seat..................70
Securing on there ar seat......................... 67
To pTe ther................................................ 64
Childr
Childr en
en
Av oiding dangers in theve hicle............... .55
Basic instructions.................................... 54
Chock Chock Storage location..................................... 346
Chock Chock see Chock
City lighting
City lighting.................................................. 130 Cleaning
Cleaning
see Care
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 144
Ac tivating/deactivating the A/C func-
tion (control panel).................................1 44
Ac tivating/deactivating the A/C func-
tion (MBUX multimedia system).............. 145
Ac tivating/deactivating the synchro-
nisation function (control panel).............1 45
Ac tivating/deactivating the synchro-
nisation function (MBUX multimedia
system).................................................. 146
Air-recirculation mode............................1 46
Au tomatic control................................. .145
Calling up the air conditioning menu....... 144
Climate style function............................ 145
Demisting the windscreen...................... 143
Demisting windo ws................................ 146
Fr ont air vents........................................ 152
Inserting/removing the 0acon (fra-
gr ance system)...................................... 147
Ionisatio n.............................................. .146
No te...................................................... 143
Re ar air vents......................................... 152 448 448
Ind
ex

Mo
Mo
ving away
ving away
see Driving tips
MUL
MUL TIBEAM LED
TIBEAM LED.......................................... 129
Multifunction st
Multifunction st eer
eering wheel
ing wheel
Overview of buttons............................... 250
Multifunction st
Multifunction st eer
eering wheel
ing wheel
see Steering wheel
Multimedia syst
Multimedia syst em
em
see MBUX multimedia system N
N
N
N a
avig
vig ation
ation
No tes..................................................... 270
Overview................................................ 271
Sh ow ing/hiding the menu...................... 270
Switching on.......................................... 270
Na
Na vig vigation
ation
see Destination entry
see Map
see Route
N N eutr
eutr al
al
Engaging................................................ 169 N
Noise
oise
Wheels and tyres................................... 337
Wheels/tyres......................................... 337 O O
Occupant safe
Occupant safe ty
ty
see Airbag
see Automatic co-driver airbag shuto.
see Child seat
see Pets in theve hicle
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
see Restraint system
see Seat belt
Oil
Oil
see Engine oil
On-boar On-boar d com
d comput
puter
er
Displa yingthe service due dat e.............. 302
Head-up display menu............................ 253
Instrument displa y................................. 252
Menu overview.......................................2 50
Operating.............................................. 250 On-boar
On-boar d diagnos d diagnostics int tics interf
erface
ace
see Diagnostics connection
On-boar
On-boar d electr
d electrical syst
ical syst em batt
em batter
ery (12 V)
y (12 V)
Charging................................................ 327
Re placing.............................................. .328
St arting assis tance............................... .327
On-boar On-boar d electr
d electronics
onics
Engine electronics................................. 354
No tes..................................................... 354
Tw o-w ayradios...................................... 354
Online ser Online ser vices
vices
Data storage............................................ 37
Online ser
Online ser vices
vices
see In-Car O1ce
Open-sour
Open-sour ce
cesoTw
soTw are
are.................................... 38
Opening t
Opening t he boo
he boo t lid using y
t lid using y our f
our foot
oot
HANDS-FREE ACCESS............................. 84
Oper
Oper ating
ating 0uids
0uids
Ad Blue ®
................................................ .363
Ad ditives (fuel)....................................... 361
Brake 0uid............................................. 366
Coolant (engine).................................... 366
Engine oil............................................... 364 Index
463 463

P
P
er
er fume vial
fume vial
see Frag rance system
P
P er
er iod out of use
iod out of use
Ac tivating/deactivating standby mode... 184
St andby mode function.......................... 184
P
P er
er missible axle load
missible axle load .................................... 357
P
P er
er missible to
missible towing met
wing met hods
hods........................ .329
Pe
Pe tr
trol
ol........................................................... 360
Pe
Pe ts in t
ts in t he v
he v ehicle
ehicle.......................................... 72
Plas
Plastic tr tic tr im (Car
im (Car e)
e)........................................ 314
Pow
Pow er closing function
er closing function
Door........................................................ 79
Pow
Pow er supply
er supply
Switching on (start/s top button)............ 154
PRE-S
PRE-S AFE
AFE®
®
(anticipat
(anticipat or
ory occupant pr ot
y occupant pr otection)
ection)
Fu nction.................................................. 53
PRE-SAFE ®
Sound................................... 53
Re versing measures................................. 53
PRE-S
PRE-S AFE
AFE®
®
PL
PL US (anticipat
US (anticipat or
ory occupant
y occupant
pr ot
pr otection plus)
ection plus)
Fu nction.................................................. 53
Re versing measures................................. 53 Pr
ev
Pr ev ent
ent ativ
ativ e occupant pr ot
e occupant pr otection syst
ection syst em
em
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Pr
Pr o/le
o/le
Creating a new pro/le............................ 265
No tes..................................................... 264
Selecting pro/le options......................... 265
Pr
Progr ogr amme
amme
see DYNAMIC SELECT
Pr ot
Pr otection ag
ection ag ains
ainst collisiont collision
see Manoeuvring brake function
Pr ot
Pr otection of t
ection of t he en
he envir
vironment
onment
No tes...................................................... .20
Ta ke -back of end-of-life vehicles............... 20 Q
Q
QR code
QR code Rescue car d............................................ .35
Quali/ed
Quali/ed specialist w
specialist w ork
orkshop
shop .........................33 R
R
R
R adar and ultr
adar and ultr asonic senso rs
asonic senso rs
Damage................................................. 185
R
R adio
adio
Overview of the functions and symbols.. .298
R R ain closing function ain closing function
Side windo ws........................................... 87
R
R ain-closing f
ain-closing f eature
eature
Sliding sunroof......................................... 92
REAC
REAC H r
H regulation
egulation........................................... 33
R
R eading lamp
eading lamp
see Interior lighting
R
R eading light
eading light
Switching on/o. (contactless). .............. 263
R
R eal w
eal w ood (Car
ood (Car e)
e).......................................... 314
R
R ear f
ear f og light
og light
Switching on/o..................................... 127
R
R ear seat
ear seat
see Seat
R
R ear seat belt
ear seat belt
Status displ ay.......................................... 45
R
R ear seat belt st
ear seat belt st atus display
atus display........................... 45 Index
465
465