belt MERCEDES-BENZ E-CLASS CABRIOLET 2021 Workshop Manual

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.432
432
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 205).
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 205). Display messages and
warning/indicator lamps
439
439

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........... 49
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 ................................ 126
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.......................... 141
A
A ut
ut omatic seat adjus
omatic seat adjustment tment
Setting................................................... 105
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
DIRECT SELECT le ver............................. 167
Drive prog ram displa y............................ 166
Drive prog rams...................................... 165
DY NAMIC SELECT switch....................... 165
Engaging drive position.......................... 169
Engaging reve rsege ar............................ 168
Kickdown............................................... 170 Manual
gear changing........................... .169
Selecting park position........................... 168
St eering wheel gearshiT paddles............ 169
Tr ansmission position displ ay................. 167
Tr ansmission position s........................... 167
Axle load
Axle load
Perm issible............................................ 356
Tr ailer operatio n.................................... .369 B B
Bad w
Bad w eat
eather light
her light ......................................... 129
Bag hook
Bag hook..................................................... 119
Ball neck
Ball neck Folding out/in........................................ 240
B
B AS (Br
AS (Br ak
ake Assis
e Assist Syst t System)
em)........................... 186
Batt
Batt ery
ery
Re mo tecont rol (stationary heater)......... 149
Batt
Batt er
ery (ke
y (ke y)
y)
Re placing................................................. 76
Batt
Batt er
ery (v
y (v ehicle)
ehicle)
Charging (Remo teOnline)..................... .155
No tes..................................................... 322 No
tes (starting assis tance and charg-
ing)........................................................ 324
Belt
Belt see Seat belt
Bicy
Bicy cle r
cle r ack
ack
Load capacit y........................................ 369
Tr ailer operatio n.................................... .244
Blind Spo
Blind Spo t Assist
t Assist
Ac tivating/deactivating.......................... 214
Fu nction................................................ 212
System limi tations.................................. 212
Blow
Blow er
er
see Clima tecont rol
BlueTEC
BlueTEC see AdBlue ®
Bonnet
Bonnet Function (active bonnet)......................... 299
Opening/closing.................................... 299
Boo
Boo t lid
t lid
Closing.................................................... 82
HANDS-FREE ACCESS............................. 83
Locking separatel y................................... 84
Opening................................................... 82 448 448
Index

Seat belt................................................ 312
Seat co ver.............................................3 12
Sensors................................................. 311
SoT top................................................ .308
St eering wheel....................................... 312
Ta ilpipes................................................ 311
Tr ailer hitc h............................................ 311
Wa shing byhand.................................... 307
Wheels/rims.......................................... 311
Wi nd de0ector....................................... 309
Wi ndo ws................................................ 311
Wi per blades.......................................... 311
Car Car pe
pet (Car
t (Car e)
e)............................................... 312
Changing g
Changing g ears
ears
Manually................................................ 169
Changing hub caps
Changing hub caps ....................................... 346
Char
Char ging
ging
Mobile phone (wireless)........................ .121
On-board electrical system battery
(12 V).................................................... 326
USB port................................................1 21
Chassis
Chassis
Damping characteristics........................ .217
DY NAMIC BODY CONTROL................... .217 Chassis lev
Chassis lev el (AIR BOD el (AIR BOD Y C
Y CONTR
ONTR OL)
OL)
Setting................................................... 218
Child safe
Child safe ty lock
ty lock
Re ar side wind ows................................... 72
Child seat
Child seat Appr oval catego ries.................................60
At tach ing (no tes)..................................... .59
Basic instructions.................................... 55
Fr ont passenger seat (no tes).................... 70
Fr ont passenger seat (without auto-
matic airbag shuto.)............................... .69
ISOFIX/i-Size (/tting).............................. .63
No tes on risks and danger s...................... 56
Re commendations forch ild restraint
systems................................................... 58
Seats suitable for belt-secured child
re straint systems..................................... 66
Seats suitable for i‑Size child restraint
systems................................................... 63
Seats suitable for ISOFIX child
re straint systems..................................... 62
Securing on the co-driver seat..................70
Securing on there ar seat......................... 68
To pTe ther................................................ 65 Childr
Childr en en
Av oiding dangers in theve hicle............... .56
Basic instructions.................................... 55
Chock
Chock Storage location..................................... 345
Chock
Chock see Chock
City lighting
City lighting.................................................. 129
Cleaning
Cleaning
see Care
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 143
Ac tivating/deactivating the A/C func-
tion (control panel).................................1 43
Ac tivating/deactivating the A/C func-
tion (MBUX multimedia system).............. 144
Ac tivating/deactivating the synchro-
nisation function (control panel).............1 44
Ac tivating/deactivating the synchro-
nisation function (MBUX multimedia
system).................................................. 145
Air-recirculation mode............................1 45
Au tomatic control................................. .144
Calling up the air conditioning menu....... 143 450 450
Index

Mer
Mer
cedes-Benz ser
cedes-Benz ser vice centre
vice centre
see Quali/ed specialist workshop
Messag
Messag e (ins
e (instr
trument displa
ument displa y)
y)
see Displ aymessage
Messag
Messag e memory
e memory ......................................... 371
Mirr
Mirr ors
ors
see Outside mir rors
Mobile phone
Mobile phone Frequencies........................................... 354
Tr ansmission output (maximum )............. 354
Mobile phone
Mobile phone
see Smartphone integ ration
see Telephone
Model type
Model type see Vehicle identi/cation plate
MOExt
MOExt ended tyr
ended tyr es
es....................................... .317
Mot
Mot orwa
or wa y mode
y mode .......................................... .129
Mo
Mo ving away
ving away
see Driving tips
MUL
MUL TIBEAM LED
TIBEAM LED.......................................... 128
Multifunction st
Multifunction st eer
eering wheel
ing wheel
Overview of buttons............................... 249 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..................................................... 266
Overview................................................ 267
Sh ow ing/hiding the menu...................... 266
Switching on.......................................... 266
Na Na vig vigation
ation
see Destination entry
see Map
see Route
N N eutr
eutr al
al
Engaging................................................ 168
N
Noise oise
Wheels and tyres................................... 336
Wheels/tyres......................................... 336 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.............. 298
Head-up display menu............................ 252
Instrument display................................. 251
Menu overview.......................................2 49
Operating.............................................. 249
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................................................ 326
Re placing.............................................. .327
St arting assis tance............................... .326 Index
465
465

R
R
ain closing function
ain closing function
Side wind ows.......................................... .93
REAC
REAC H r
H regulation
egulation ........................................... 33
R
R eading lamp
eading lamp
see Interior lighting
R
R eal w
eal w ood (Car
ood (Car e)
e).......................................... 312
R
R ear f
ear f og light
og light
Switching on/o..................................... 126
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
R
R ear windo
ear windo w heat
w heater
er...................................... 142
R
R ear
ear -vie
-vie w mirr
w mirr or
or
Anti-dazzle mode (automatic)................. 139
R
R ear
ear -vie
-vie w mirr
w mirr or
or
see Outside mir rors
R
R ecy
ecy cling
cling
see Take -back of end-of-life vehicles
R
R educing ag
educing ag ent
ent
see AdBlue ® R
R
efuelling
efuelling
Refuelling theve hicle............................ .171
R
R egistr
egistr ation
ation
Ve hicle..................................................... 33
R
R egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation
Indonesia............................................... 355
Small components................................. 355
R R emot
emot e contr
e contr ol (st
ol (stationar
ationar y heat
y heater/v
er/venti-
enti-
lation)
lation) Displ ays................................................. 149
Problems............................................... 150
Re placing the batter y............................. 149
Setting................................................... 148
R R emot
emot e Online
e Online
Charg ingthe star ter batter y................... 155
Cooling/heating theve hicle interior...... .155
St arting theve hicle............................... .156
R
R escue card
escue card ................................................... 35
R
R eser ve
eser ve
Fu el....................................................... 362
R
R ese
ese t function (MBUX multimedia syst
t function (MBUX multimedia syst em)
em).... 265
R
R esidual heat
esidual heat............................................... 145 R
R
est
est or
oring (f
ing (f act
actor
ory se
y se ttings)
ttings)
see Reset function (MBUX multimedia system)
R
R estr
estr aint syst
aint syst em
em
Basic instructions forch ildren.................. 55
Fu nction in an accident............................ 40
Fu nctionality............................................ 39
Malfunction............................................. 40
Pr otection................................................ 39
Re duced pr otection.................................. 39
Self-test...................................................39
Wa rning lamp........................................... 39
Rev Rev er
er se g
se g ear
ear
Engaging................................................1 68
Rev
Rev er
er sing camera
sing camera
Care...................................................... 311
Fu nction................................................ 220
Opening the camera co ver (360°
Camera)................................................ 227
Switching automatic operation on/o.
(360° Camera)...................................... 227
Rims (car
Rims (car e) e).................................................. 311
R
R oll awa
oll awa y prot
y pr otection
ection
see HOLD function 468
468
Index

R
R
oll bar
oll bar
Function.................................................. 53
R
R oof lining (car
oof lining (car e)
e).......................................... 312
R
R oof load
oof load..................................................... 368
R
R oute
oute
Calculating............................................. 269
Selecting options................................... 269
R
R out
out e guidance wit
e guidance wit h augment
h augmented r
ed reality
eality
Ac tivating............................................... 269
Displaying street names and house
numbers................................................ 269
R
R out out e-based speed ada pt
e-based speed adapt ation
ation
Fu nction................................................ 201
Setting.................................................. .202
R
R un-0at
un-0at c
char
har act
acter
eristics
istics
MOExtended tyres................................. 317
R
R unning-in not
unning-in not es
es.......................................... 156 S
S
Safe
Safe ty syst
ty syst ems
ems
see Driving saf ety sy stem
Sa fe
Safe ty v
ty vest
est.................................................. .315 Seat
Seat
4-waylumbar suppor t............................ 102
adjusting (electrically)............................ 102
Ad justing (manual lyand elect rically)
........................................................ 99, 101
Au tomatic adjustment........................... .105
Con/guring settings............................... 104
Cor rect driver's seat position.................. .98
Fo lding back the backrest (rear)............. 118
Fo lding the backrest forw ards (rear)...... .118
Fo lding the backrest forw ards/back
(with memory function ).......................... 106
Fo lding the backrest forw ards/bac k-
wa rds (without memory function )........... 107
Massage prog ramme overvie w............... 106
Operating the memory function.............. 114
Pa nel heating......................................... 109
Re setting the settings............................ 106
Setting options......................................... 14
Switching AIRSCARF on/o.................... 109
Wo rkout prog ramme overvie w................ 106
Seat belt Seat belt Activating/deactivating seat belt
adjustment.............................................. 45
Care...................................................... 312 Fa
stening................................................. 44
Pro tection................................................ 41
Re ar seat belt status displ ay..................... 45
Re duced pr otection.................................. 42
Re leasing................................................. 45
Seat belt adjustment (function)................ 45
Seat belt extender.................................... 44
Wa rning lamp........................................... 45
Seat belt adjus Seat belt adjustment tment
Ac tivating/deactivating............................ 45
Fu nction.................................................. 45
Seat belt e
Seat belt e xt
xtender
ender.......................................... 44
Seat belt t
Seat belt t ensioners
ensioners
Ac tivation................................................ 40
Seat belt w
Seat belt w ar
arning
ning
see Seat belt
Seat cov
Seat cov er (Car
er (Care)
e)......................................... 312
Seat heating
Seat heating Activating/deactivating.......................... 108
Seat v
Seat v entilation
entilation
Switching on/o..................................... 109
Selecting a g
Selecting a g ear
ear
see Changing gears Index
469
469

W
W
ar
ar ning syst
ning syst em
em
see ATA (anti-theT alarm system)
W
W ar
ar ning tr
ning tr iangle
iangle
Re moving............................................... 315
Setting up.............................................. 316
W
W ar
ar ning/indicat
ning/indicat or lamp
or lamp
! ABSwarning lamp......................... 440
Ó Active Brake Assist warning lam p..4 39
J Brake system warning lamp (red)... 438
J Brake system warning lamp (yel-
low)....................................................... 437
ÿ Coolant warning lamp (red)........... 433
ÿ Coolant warning lamp (yellow).......4 35
! Electric parking brake indicator
lamp (red).............................................. 437
# Electrical fault warning lam p......... 436
; Engine diagnosis warning lamp...... 435
å ESP®
OFF warning lam p................ 442
÷ ESP®
wa rning lamp 0ashes........... 441
÷ ESP®
wa rning lamp lights up......... 441 8
Fuelreser vewarning lamp lights
up.......................................................... 436
Ù Powe r steering warning lamp
(red)...................................................... 432
6 Restraint system warning lam p...... 431
ü Seat belt warning lamp 0ashes...... 431
ü Seat belt warning lamp lights up.... 432
ä Suspension warning lamp (yel-
low)....................................................... 440
! The electric parking brake (yel-
low) indicator lam p................................. 437
ï Trailer tow hitch warning lam p....... 433
h Tyre pressure monitoring sys-
te m wa rning lamp 0ashes....................... 443
h Tyre pressure monitoring sys-
te m wa rning lamp lights up.................... 443
L Warning lamp for distance
wa rning function.................................... 439
Overview................................................ 429
PA SSENGER AIR BA G............................... 50 W
W arr arr anty
anty........................................................ 34
W
W asher
asher 0uid
0uid
see Windsc reen washer 0uid
W
W ashing b
ashing b y hand (car
y hand (car e)
e)................................ 307
W
W at
at er t
er t ank
ank
see Air-water duct
W
W eat
eat her inf
her inf or
ormation
mation..................................... 271
W
W eb br ow
eb br owsers
sers
Overview................................................ 284
Wheel c
Wheel c hange
hange
Fi tting a new wheel................................ 349
Lo we ring theve hicle.............................. 350
Preparation............................................ 346
Ra ising theve hicle................................. 347
Re moving a wheel................................. .349
Re moving//tting hub caps..................... 346
Wheel c
Wheel c hange hange
see Emer gency spa rewheel
Wheel rot
Wheel rotation
ation ............................................. 344
Wheels
Wheels Care..................................................... .311
Checking............................................... 336 476
476
Index