bonnet MERCEDES-BENZ E-CLASS CABRIOLET 2022 User Guide

R
Always make sure that nei ther you nor the bat-
te ry is electrostatically charge d.
R Keep awa y from /re and naked 0ames.
R Do not lean overth e batter y.
Obser vethe additional following points when
ch arging the batter y:
R Only use battery charge rs tested and
appro vedfo r Mercedes-Benz.
R Read the battery charge r's operating inst ruc-
tions before charging the batter y.
Obser vethe additional following points during
starting assistance:
R Starting assis tance may only be pr ovided
using vehicles, batteries or other jump start
devices with a nominal voltage of 12 V.
R The vehicles must not touch.
R V
V ehicles wit
ehicles wit h a pe
h a petr
trol engine:
ol engine: jump-start the
ve hicle only when the engine and exhaust sys-
te m are cold. S
S
t
tar
ar ting assist
ting assist ance and c
ance and c har
harging t
ging t he 12 V batt
he 12 V batt ery
ery R R
eq eq uir
uir ements:
ements:
R The vehicle is secured with the electric par k-
ing brake.
R V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: the
transmission is in position j.
R The vehicle and all elect rical consume rsare
switched o..
R The bonnet is open. Example: engine compartment
#
Slide co ver1 of POSITIVE contact 2onthe
jump-starting connection point in the direction
of the ar row. #
Connect POSITIVE contact 2onyour vehicle
to the positive term inal of the donor battery
using the jump lead/charging cable. Alw ays328
328
Breakdown assistance

*
N
N O
OTE
TE Damage or malfunctions caused by
moisture Moisture may cause damage
tothe electrical
system or cause it tomalfunction. #
When the fuse box is open, make sure
th at no moisture can enter the fuse box. #
When closing the fuse box, make sure
th at the seal of the lid is positioned cor-
re ctly on the fuse box. If
th e ne wlyinser ted fuse also blo ws, ha vethe
cause traced and recti/ed at a quali/ed specialist
wo rkshop.
Ensure thefo llowing before replacing a fuse:
R The vehicle is secured against rolling away.
R All electrical consume rsare switched o..
R The vehicle is switched o..
The elect rical fuses are located in various fuse
bo xes:
R Fuse box in the engine compartment on the
driver's side (/ page 335) R
Fuse box on the driver's side of the cockpit
(/ page 336)
R Fuse box in the front passenger foot we ll
(/ page 336)
R Fuse box in the boot on theright-hand side of
th eve hicle, when vie wed in the direction of
tr ave l (/ page 336) Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the engine
he engine
com
com par
partment
tment R
R
eq
eq uir
uir ements:
ements:
R A dry clo thand a scr ewdriver are available.
Obser vethe no tes on elect rical fuses
(/ page 334).
Opening
Opening &
W
WARNING
ARNING Risk of injury from using the
windscreen wipers when the bonnet is
open
If th e windscreen wipers start moving when
th e bonnet is open, you could be trapped by
th e wiper linkage. #
Always switch o. the windscreen wipers
and theve hicle /r stifyo u need toopen
th e bonnet. #
Turn clips 2on co ver1 aqu arter-turn to
anti-clockwise. #
Pull co ver1 upwards in the direction of the
ar ro w. Breakd
own assistance
335
335

#
Remo veany existing moisture from the fuse
box using a dry clo th.#
Loosen scr ews4 and remo vefuse box lid 3
from theto p.
Closing
Closing #
Check whe ther the seal is positioned cor rectly
in cap 3. #
Insert lid 3into the brac ket at there ar of the
fuse box. #
Fold down lid 3ofthe fuse box and tighten
scr ews4. #
Insert co ver1 on bo thsides. #
Turn clips 2on co ver1 aqu arter-turn
clockwise. #
Close the bonnet. Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the coc
he coc kpit
kpit R
Obser vethe no tes on elect rical fuses
(/ page 334).
The fuse box is on the driver's side on the side of
th e cockpit under a co ver. #
Toopen and close it, consult a Mercedes-Benz
Service Centre. Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the fr
he front
ont
passeng
passeng er f
er foo
ootw
twell
ell Obser
vethe no tes on elect rical fuses
(/ page 334). #
T To open: o open: open cover1 inthe direction of the
ar ro w and remo veit. #
T To close:
o close: reinsert co ver1. Opening and closing t Opening and closing t
he fuse bo
he fuse box in t
x in the boot
he boot Obser
vethe no tes on elect rical fuses
(/ page 334). 336
336
Breakdown assistance

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Visit or consult a quali/ed specialist workshop immediatel y. Ù
Steering malfunction Stop
immediately See Owner's
Manual *T
he steering is malfunctioning. Steering capability is signi/cantly impaired. &
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. Active bonnet malfunction
See Owner's Manual *T
he active bonn et(pedest rian pr otection) is malfunctioning or inoperative aTer having already been triggered. #
Consult a quali/ed specialist workshop.
C *A
t least one door is open. #
Close all doors.
M *T
he bonn etis open. &
W
WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. Display messages and
warning/indicator lamps
387
387

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Close the bonnet.
N *T
he boot lid is open. &
D
DAN
AN GER
GER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter theve hicle
interior if the boot lid is open when the engine is running, especially if theve hicle is in motion. #
Always switch o. the engine before opening the boot lid. #
Never drive with the boot lid open. #
Close the boot lid.
_ Front left seat backrest not
locked (examp le) *T
he seat backrest of the cor responding front seat is not engaged. #
Foldthe seat backrest back until it engages. 388 388
Display messages and
warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Ifth e display message still appears, consult a quali/ed specialist workshop.
+
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* N
N O
OTE
TE Engine damage due toinsu1cient coolant #
Avoid long journe yswith insu1cient coolant. #
Add coolant (/ page 305). #
Have the engine cooling system checked at a quali/ed specialist workshop.
ÿ
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. &
W WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theev ent of an overheated engine or /re in the engine compartment, thefo llowing situa-
tions may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating 0uids. #
Before opening the bonnet, allow the engine tocool down. #
Intheev ent of a /re in the engine compartment, keep the bonnet closed and call the /re service. 390
390
Display messages and
warning/indicator lamps

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
R The engine coolant pump is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120°C. &
W
WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theeve nt of an overheated engine or /re in the engine compartment, thefo llowing situa-
tions may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating 0uids. #
Before opening the bonnet, allow the engine tocool down. #
Intheev ent of a /re in the engine compartment, keep the bonnet closed and call the /re service. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. Do not continue driving. #
Notethe messages on the instrument displa y.
If t If t he coolant t
he coolant t em
em per
per atur
atur e displa
e displa y is at t
y is at the low
he lower end of t
er end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Consult a quali/ed specialist workshop.
If t
If t he coolant t he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the upper end of t
he upper end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Exit theve hicle and keep a safe distance from it until the engine has cooled down. #
Check the coolant le vel (/ page 305). Display message
s andwarning/indicator lamps
435
435

1, 2, 3 ...
1, 2, 3 ...
48 V on-boar
48 V on-boar d electr
d electrical syst
ical syst em
em
Operating saf ety...................................... 23
360° Came ra
360° Camera
Care...................................................... 313
Fu nction................................................ 225
Switching automatic mode on/o.
(r ev ersing camera)................................. 229 A
A
A/C function
A/C function Activating/deactivating (operating
unit)....................................................... 145
MBUX.................................................... 146
ABS (Anti-loc
ABS (Anti-loc k Br
k Braking Syst
aking Syst em)
em), Anti-lock
braking system............................................. 188
A
A cceler
cceler ation
ation
Kickdown............................................... 172
Optimised acceleration.......................... 159
A
A ccident, emerg
ccident, emerg ency call
ency call............................. 289
A
A cous
coustic loc tic loc king
kingv
ver
er i/cation
i/cation signal, acti-
signal, acti-
v
v ating/deactiv
ating/deactiv ating
ating........................................ 77 A
A
ctiv
ctiv e Blind Spo
e Blind Spo t Assist
t Assist
Brake application................................... 216
Fu nction................................................ 214
Tr ailer operatio n.................................... .216
A
A ctiv ctiv e bonnet
e bonnet, Pedest rian pr otection............ 301
A A ctiv ctiv e Br
e Br ak
ake Assist
e Assist
Fu nction................................................ 208
Setting.................................................. .212
A
A ctiv
ctiv e Dist
e Dist ance Assis
ance Assist DIS t DISTR
TRONIC
ONIC
Ac tivating............................................... 200
Ac tive Emer gency Stop Assist................ 207
Calling up a speed................................. 200
Deactivating........................................... 200
Fu nction................................................ 197
Inc reases/decreases the speed............. 200
Ro ute-based speed adap tation............... 203
St oring a speed...................................... 200
A A ctiv
ctiv e Emerg
e Emerg encySt
ency Stop Assist
op Assist ,
Driving system............................................ .207
A
A ctiv
ctiv e Lane K
e Lane K eeping Assist
eeping Assist
Ac tivating/deactivating.......................... 219
Fu nction................................................ 217
Setting the sensitivity.............................2 19
Tr ailer operatio n.................................... .217 A
A ctiv
ctiv e light function
e light function.....................................1 30
A
A ctiv
ctiv e P
e Par
arking Assist
king Assist ,Pa rking assistance systems
Au tomatic braking function................... .237
Exiting a parking space. ......................... 236
Manoeuvring brake function................... 239
Pa rking.................................................. 235
Pa using.................................................. 237
A A ctiv
ctiv e Ser
e Ser vice Sy
vice Sy st
stem PL
em PL US
US,
ASS YST PLUS............................................. .300
A
A ctiv
ctiv e Speed Limit Assist
e Speed Limit Assist .............................2 02
A
A ctiv
ctiv eSt
e St eer
eer ing Assist
ing Assist
Ac tivating/deactivating.......................... 207
Ac tive Emer gency Stop Assist................ 207
Fu nction................................................ 205
A
A ctiv
ctiv eSt
e St op-and-Go Assist
op-and-Go Assist
Fu nction................................................ 204
A
A ctiv
ctiv e
eTr
Tra1c
a1c Jam Assist
Jam Assist
Ac tivating/deactivating.......................... 205
A
A dap
dap tiv
tive br
e br ak
ake lights
e lights.................................... 192
A
A dap
dap tiv
tive cr
e cr uise contr
uise control ol,Active Distance
Assist DISTRONIC........................................ 203
A A dap
dap tiv
tive Highbeam Assist
e Highbeam Assist , High beam
Ac tivating/deactivating.......................... 133 446
446
Index

Fu
nction................................................ 214
BlueT
BlueT ec
ec
Ad Blue ®
................................................ .176
Bluet
Bluet ooth
oo th®
®
................................................... 279
Bonnet
Bonnet
Active bonnet......................................... 301
Opening/closing.................................... 301
Boo
Boo t lid
t lid
Closing.................................................... 84
HANDS-FREE ACCESS............................. 85
Locking separatel y................................... 86
Opening dimensions.............................. 369
Opening/closing...................................... 84
Boo
Boo t separ t separ at
ator
or
Closing.................................................... 89
Opening................................................... 89
Br Br ak
ak e Assist
e Assist
Brake Assist System (BAS)..................... 188
Br
Br ak
ak e Assis
e Assist Syst t System
em,BAS
Ac tive Brake Assist................................. 208
Br
Br ak
ak e
e/ttings
/ttings ................................................ 158
Br
Br ak
ak e
e0uid
0uid.................................................... 367 Br
Br ak
ak e f
e f or
orce dis
ce distr tribution
ibution, EBD........................ 190
Br
Br ak
ak e lam
e lam ps
ps
Ad aptive brake lights.............................. 192
Br
Br ak
ak es
es
ABS (Anti-lock Braking System).............. 188
ABS, BAS, EBD....................................... 187
Ac tive Brake Assist................................. 208
Ad aptive brake lights.............................. 192
Driving tips............................................ 160
HOLD function...................................... .191
Limited braking e.ect (salt-treated
ro ads)................................................... .160
Ne w/replaced brakepads/brake disk s... 158
Ru nning-in no tes.................................... 158
Br
Br aking assist aking assist ance
ance, Brake Assist System...... 188
Br
Br eakdo
eakdo wn
wn
Flat tyre................................................. 319
Overview of aids...................................... 16
To w- starting........................................... 334
To wing away.......................................... 330
Tr anspo rting theve hicle........................ .332
Wheel chang e........................................ 348 C C
Calls
Calls Mercede s me......................................... 279
Camera
Camera 360° Camera........................................ .225
Information............................................1 86
Re versing camera..................................2 22
Selecting the view.................................. 229
Car key
Car key.......................................................... 76
Car w
Car w ash
ash...................................................... 307
Car
Car -t
-to-X communication
o-X communication
Hazard warnings.................................... 273
Care
Care 360° Camera......................................... 313
Air/water duct....................................... 307
Au tomatic car wash.............................. .307
Car parts............................................... 313
Decorative foil........................................ 310
Display................................................... 314
Draught stop.......................................... 312
Exterior lighting...................................... 313
Fo lding draught stop.............................. 312
Head-up display..................................... 314 Index
449 449

Ac
tive bonnet malfunction See Own-
er's Manual............................................ 387
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........415
Ac tive Brake Assist Functions limi ted
See Owner's Manual.............................. 416
Ac tive Distance Assist available again ..... 403
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 402
Ac tive Distance Assist inoperative.......... 402
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 407
Ac tive Lane Keeping Assist inoperative... 407
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 404
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 403
Ac tive Steering Assist inoperative...........4 03Ac
tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual .............404
Ac tive Stop-and-Go Assist inoperative
See Owner's Manual.............................. 405
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ............ 382
Ad aptive Highbeam Assist inoperative ....3 82
Ad aptive Highbeam Assist Plus cur-
re ntly una vailable See Owner's Manual ... 382
Ad aptive Highbeam Assist Plus inop-
erative.................................................. .383
Apply brake todeselect Park (P) posi-
tion....................................................... .392
Apply brake toselect D or R ...................393
Apply brake toselect R .......................... 393
Au xiliary battery malfunction (red dis-
play message) ....................................... .395
Au xiliary battery malfunction (white
displ aymessage) .................................... 394
Beginning emer gency stop..................... 404 Blind Spot Assist cur
rently una vailable
See Owner's Manual.............................. 405
Blind Spot Assist inoperative.................. 406
Blind Spot Assist not available when
to wing a trailer See Owner's Manual ...... 406
Cann otstart engine See Owner's
Manual.......................................... 389, 420
Check brake pads See Owner's Man-
ual......................................................... 399
Check ty repressures then restart Run
Flat Indicator......................................... 425
Cruise control and Limiter inoperative.... 400
Cruise control inoperative...................... 400
Cruise control o....................................4 01
Device de tected at diagnostics con-
nection See Owner's Manual................. .417
Fr ont-passenger airbag disabled See
Owner's Manual .................................... .374
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .374 Index
455 455