ECU MERCEDES-BENZ E-CLASS CABRIOLET 2022 Repair Manual

If a call is made
for a service appointment via the
service reminder, thefo llowing data is also trans-
mitted:
R Current mileage and maintenance data
If a call is made aTer automatic accident or break-
down de tection using the multimedia system, the
fo llowing data is also transmitted:
R Current mileage and maintenance data
R Current vehicle location
If Ac cident and Breakdown Management is called
via thevo ice control system and no service has
been activated, but the data pr otection query has
been con/ rmed, thefo llowing data can also be
called up from theve hicle bythe Mercedes-Benz
Customer Centre:
R Current vehicle location
If th e data pr otection prom pthas been rejec ted,
th efo llowing data is transmitted toenable targe-
te d advice and an e1cient service:
R Reason forth e initiation of the call
R Rejection of the data pr otection prom pt
R Country indicator of theve hicle R
Set language forth e multimedia system
R Telephone number of the communication plat-
fo rm installed in theve hicle
Dat
Dat a tr
a tr ansf
ansf er if Mer
er if Mer cedes me connect ser
cedes me connect ser vices
vices
ar
ar e activ
e activ at
ated
ed
Only if there specti veservice is activated will
additional incident-speci/c data be transmit ted in
th e second stage toenable an optimal service.
An overview of the data transmitted can be found
in there specti veterm s of use for Mercedes me
connect services. These can be obtained in the
Mercedes me por tal: https://
me.secure.mercedes-benz.com
Dat Dat a pr
a pr ocessing
ocessing
The data transmitted within the scope of the call
is dele ted from the processing system aTer the
call is /nished, in so far as this data is not being
used forot her activated Mercedes me connect
services.
The incident-speci/c data is processed and stored
in the Mercedes-Benz Customer Centre and, if
re qu ired toprocess the incident, forw arded tothe
service partner authorised bythe Mercedes-Benz
Customer Centre. Please take note of the data pr
otection information on the Mercedes me Inter-
net page https://www.mercedes.me or in the
re corded message immediately aTer calling the
Mercedes-Benz Customer Centre.
% The recorded message is not available in
ev ery countr y. Mer Mer
cedes me connect
cedes me connect Inf
Inf
or
ormation on Mer
mation on Mer cedes me connect
cedes me connect
% Mercedes me connect or individual Mercedes
me connect services are not available in every
countr y.Find out at a Mercedes-Benz service
centre if these functions are available in your
countr y.
Mercedes me connect consists of multiple ser v-
ices.
Yo u can use thefo llowing services via the multi-
media system and theove rhead control panel, for
ex ample:
R Accident and Breakdown Management (me
button or situation-dependent display in the
multimedia system) MBUX multimedia system
283 283

R
Mercedes-Benz eme rgency call system (auto-
matic emer gency call and SOS button)
The Mercedes me connect Accident and Break-
down Management and the Mercedes-Benz emer-
ge ncy call centre are available toyou around the
cloc k.
The me button and the SOS button can be found
on theve hicle's overhead control panel
(/ page 279).
Yo u can also call the Mercedes-Benz Customer
Centre using the multimedia system
(/ page 280).
Please no tethat Mercedes me connect is a
Mercedes-Benz service. In emer gencies, /r stcall
th e national emer gency services using the stand-
ard national emer gency service telephone num-
bers. In emer gencies, you can also use the
Mercedes-Benz eme rgency call system
(/ page 289).
Obser vethe conditions of use for Mercedes me
connect and other services. These can be
obtained in the Mercedes me Portal: https://
me.secure.me rcedes-benz.com Fu
rther information about Mercedes me connect,
th e pr ovided service scope and operation:
https://moba.i.daimler.com/mar kets/ece-r ow/
baix/cars/connectme/en_GB/#emotions/
St artsei te.html
Inf Inf or
ormation on Mer
mation on Mer cedes me connect A
cedes me connect A ccident
ccident
and Br and Br eakdo eakdown Manag
wn Manag ement
ement
The Accident and Breakdown Management can
include thefo llowing functions:
R Supplement tothe Mercedes-Benz emer gency
call system (/ page 289)
If necessar y,the contact person at the
Mercedes-Benz eme rgency call centre for-
wa rdsth e call toMercedes me connect Acci-
dent and Breakdown Management. Forw ard-
ing the call is ho wever not possible in all coun-
tries.
R Breakdown assistance byate ch nician on
location and/or theto wing away of theve hicle
to the nearest Mercedes-Benz service centre
Yo u may be charge dfo rth ese services. R
Addition tothe emer gency guide aTer auto-
matic accident or breakdown de tection
(/ page 281)
In theev ent of a breakdown or accident, fur-
th er vehicle data is sent which enables optimal
support bythe Mercedes-Benz Customer
Centre and the authorised service partner or
breakdown assistance.
R Addition tothe Mercedes me connect service
Te lediagnostics
Wi th th eTe lediagnostics function, speci/c
we ar and failure reports are recorded bythe
service pr ovider, in so far as these can be
clear lyinterpr eted and are available thro ugh
th e monitoring of components that are subject
to diagnostics.
If yo ur vehicle de tects a breakdown or thre at
of a breakdown, you may be prom pted via the
multimedia system tocontact the Mercedes-
Benz Customer Centre for fur ther help. This
prom ptinthe multimedia system only appears
when theve hicle is stationar y.284
284
MBUX multimedia system

%
These services are subject to technical
re strictions su chasthe mobile phone co ver-
age, mobile network quality and the ability of
th e processing systems tointerpr etthe trans-
fe rred data. In some circumstances, this can
re sult in dela ysorthefa ilure of the informa-
tion toappear in the multimedia system.
More information about Mercedes me connect
services can be obtained in the Mercedes me Por-
ta l: https://me.secure.mercedes-benz.com
Dat
Dat a tr a transf
ansf err
erred dur
ed dur ing Mer
ing Mer cedes me connect
cedes me connect
call ser
call ser vices
vices
The data transfer red during a Mercedes me con-
nect call depends on:
R The reason for initiation of the call
R The service that is selected in thevo ice con-
trol system
R The activated Mercedes me connect services
Yo u can /nd out which data is transfer red when
using the services in the cur rently valid Mercedes
me connect term s of use and the data pr otection
information for Mercedes me connect. You can
/nd these in your Mercedes me user account. Ov
Ov
er
ervie
vie w of t
w of t he Mer
he Mer cedes me & Apps menu
cedes me & Apps menu When
you log in with a user account tothe
Mercedes me Portal, then services and o.ers
from Mercedes-Benz will be available toyou.
Fo r more information consult a Mercedes-Benz
service centre or visit the Mercedes me por tal:
https://me.secure.mercedes-benz.com
% Make sure you alw ayske ep the Mercedes me
apps updated.
Yo u can call up the menu using Mercedes me &
Apps inthe multimedia system.
In theMercedes me & Apps menu,thefo llowing
options can be available:
R Connecting theve hicle with theMercedes me
user account
R Deleting a connection between a Mercedes
me user account and theve hicle
R Calling up the Mercedes me services
R Calling up apps such as, In-Car O1ce or the
we b br owser depending on availability Ov
Ov
er
er vie
vie w of In-Car
w of In-Car O1ce
O1ce Using In-Car O1ce,
you can connect your online
services with the multimedia system.
Re quirements for In-Car O1ce:
R Your mobile phone is connected with the mul-
timedia system (/ page 279).
R You ha vea user account forth e Mercedes me
Po rtal.
R The In-Car O1ce service is activated in the
Mercedes me Portal.
R You ha vea user account with an online
service, e.g. with O1ce 365 or Gmail, and
ha ve connected the user account with In-Car
O1ce.
In-Car O1ce functions R Display pending appointments in the calendar
- Reading out calendar ent ries
- Calling stored telephone numbers
- Navigating toappointments with navigable
destinations
- Deleting a calendar ent ry MBUX multimedia system
285
285

Se
Se
tting up t
tting up t he w
he war
ar ning tr
ning tr iangle
iangle #
Fold side re0ectors 1upwards toform a tri-
angle and attach at theto p using upper press-
stud 2. #
Fold legs 3down and out tothe side. F
F
irs
irst-aid kit t-aid kit (soT
(soTsided) ov
sided) over
erview
view Fi
rs t-aid kit (soT sided) 1is on the leT or right in
th e boot, depending on theve hicle version. R
R
emo
emo ving t
ving t he
he/re
/re e
extinguisher
xtinguisher &
W
WARNING
ARNING Risk of accident due toan
inco rrectly secured /re extinguisher in the
driver's foot we ll
A /re extinguisher may impede pedal tr avel or
block a depressed pedal.
This jeopardises the operating and road saf ety
of theve hicle.
The /re extinguisher can be 0ung around and
injure the driver or other vehicle occupants. #
Always store and secure the /re extin-
guisher in the brac ket. #
Do not remo vethe /re extinguisher while
driving. 318 318
Breakdown assistance

At
a dis tance of app roximately 1 m tothe tyre
in0ation compressor and appr oximately 1.6 m
abo vethegr ound, thefo llowing sound pres-
sure le vels appl y:
R Emission sound pressure le vel L
PA 83 dB
(A)
R Sound po wer le vel L
WA 91 dB (A)
The tyre in0ation compressor is maintenance-
free. If there is a malfunction, please contact
a qu ali/ed specialist workshop. Using t Using t
he TIREFIT kit
he TIREFIT kit R
R
eq
eq uir
uir ements:
ements:
R Tyre sealant bottle and tyre in0ation compres-
sor (/ page 320)
R TIREFIT stic ker
R Gloves
Yo u can use TIREFIT tyre sealant toseal per fora-
tion damage of up to4 mm, particular lythose in
th e tyre contact sur face. You can use TIREFIT in
outside temp eratures down to-20 °C. &
W
WARNING
ARNING Risk of accident when using
tyre sealant
The tyre sealant may be unable toseal the
tyre proper ly, especially in thefo llowing cases:
R there are lar gecuts or punctures in the
tyre (la rger than damage pr eviously men-
tioned)
R the wheel rims ha vebeen damaged
R aTer journe yswith very low tyre pressure
or with 0at tyres #
Do not continue driving. #
Consult a quali/ed specialist workshop. &
W
WARNING
ARNING Risk of injury and poisoning
from tyre sealant
Ty re sealant is hazardous tohealth and causes
ir rita tion. Do not allow it tocome into contact
with your skin, eyes or clo thing, and do not
swallow it. Do not inhale any vapours. Keep
th e tyre sealant away from children. Obser
vethefo llowing if you come into contact
with the tyre sealant: #
Rinse o. the tyre sealant from your skin
using water immediatel y. #
If tyre sealant gets into your eyes, thor-
oughly rinse them using clean water
immediatel y. #
If tyre sealant has been swallo wed,thor-
oughly rinse out your mouth immediately
and drink plenty of water. Do not induce
vo miting and seek medical attention
immediatel y. #
Change out of clo thing which has come
into contact with tyre sealant immedi-
atel y. #
If an alle rgic reaction occurs, seek medi-
cal attention immediatel y. *
N NO
OTE
TE Overheating due tothe tyre in0ation
compressor running too long #
Do not runth e tyre in0ation compressor
fo r longer than ten minutes without inter-
ru ption. Breakdown assistance
321 321

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

&
W
WARNI NG
ARNI NGRisk of accident due tolimited
saf ety-re lated functions during theto wing
process
Saf ety-re lated functions are limited or no lon-
ge rav ailable in thefo llowing situations:
R theve hicle is switched o..
R the brake system or po wer steering system
is malfunctioning.
R the energy supply or the on-board electri-
cal system is malfunctioning.
When your vehicle is towe daw ay, signi/cantly
more e.ort may be requ ired tosteer and
brake than is normally requ ired. #
Use a tow bar. #
Make sure that the steering wheel can
mo vefreely be fore towing theve hicle
awa y. *
N
NO
OTE
TE Damage due toexcessive tractive
po wer If
yo u pull away sharpl y,the tractive po wer
may be too high and theve hicles could be
damaged. #
Pull away slo wlyand smoo thly. Loading t
Loading t
he v
he vehicle f
ehicle f or tr
or transport
anspo rt #
Obser vethe no tes on towing away
( / page 330). #
Connect theto wing device totheto wing eye
in order toload theve hicle.
% You can also attach theto w bar tothe trailer
hitch. #
V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: shiTthe
automatic transmission toposition i.
% V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: the
automatic transmission may be loc ked in posi-
tion jintheev ent of damage tothe electri-
cal system. ToshiT toi , pr ovide the on- board electrical system with po
wer
( / page 328). #
Load theve hicle onto the transpor ter. #
V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: shiTthe
automatic transmission toposition j. #
Use the electric parking brake tosecure the
ve hicle against rolling away. #
Only secure theve hicle bythe wheels.
V
V ehicles wit
ehicles wit h ADS PL
h ADS PLUS (A
US (Adap
daptiv
tive Dam
e Dam ping Sy
ping Sy s-
s-
t
t em PL
em PL US)
US) &
W
WARNING
ARNING Risk of an accident when trans-
porting vehicles with Adaptive Damping
System PLUS
When transpo rting vehicles with Adaptive
Damping System PLUS, theve hicle/trailer
combination may begin torock and start to
skid. #
Load theve hicle cor rectly onto the
transpor ter. #
Secure theve hicle on all four wheels
with suitable tensioning straps. 332
332
Breakdown assistance

#
Do not exceed the maximum permissible
speed of 60 km/h when transporting. *
N
NO OTE
TE Damage totheve hicle from secur-
ing it inco rrectly #
ATer loading, theve hicle must be
secured on all four wheels. Otherwise,
th eve hicle could be damaged. #
A minimum dis tance of 20 cm upwards
and 10 cm down wards must be kept to
th e transport platform. #
Secure theve hicle on all four wheels aTer
loading. 4MA
4MA
TIC v
TIC v ehicles/v
ehicles/v ehicles wit
ehicles wit h aut
h automatic tr
omatic tr ans-
ans-
mission
mission #
Make sure that the front and rear axles come
to rest on the same transpor tation vehicle.
* N
NOOTE
TE Damage tothe drive train due to
incor rect positioning of theve hicle #
Do not position theve hicle abo vethe
connection point of the transport vehi-
cle. T
T
o
o wing ey
wing eye st
e st or
orag
ag e location
e location The
towing hook is in the load compartment
under the load compartment 0oor. F
F
itting and r
itting and r emo
emoving t
ving t heto
he towing eye
wing eye #
Press the mark on co ver1 inwa rds and
re mo ve. Breakd
own assistance
333
333

*
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

shop. The new wheel must ha
vethe cor-
re ct dimensions. %
The emer gency spa rewheel is secured in the
emer gency spa rewheel bag in the boot.
Obser vethefo llowing no tes on /tting an emer-
ge ncy spa rewheel:
R The maximum permissible speed with an
emer gency spa rewheel /tted is 80 km/h.
R Do not /t the emer gency spa rewheel with
snow chains.
R Replace the emer gency spa rewheel aTer six
ye ars at the latest, rega rdless of wear.
R Use the wheel bolts that are included with the
emer gency spa rewheel.
R Check the tyre pressure of the emer gency
spa rewheel /tted. Cor rect the pressure as
necessar y.
% The speci/ed tyre pressure is stated on the
label of the emer gency spa rewheel.
% V
Vehicles wit
ehicles wit h a tyr
h a tyre pr
e pressur
essur e loss w
e loss w ar
arning
ning
syst
syst em:
em: if an emer gency spa rewheel is /tted,
th e tyre pressure loss warning system cannot function
reliabl y.Only restart the system
again when the emer gency spa rewheel has
been replaced with a new wheel.
V
V ehicles wit
ehicles wit h a tyr
h a tyre pr
e pressur
essur e monit
e monit or
oring sy
ing sy s-
s-
t
t em:
em: if an emer gency spa rewheel is /tted, the
tyre pressure monitoring system cannot func-
tion reliabl y.Fo r a few minutes aTer an emer-
ge ncy spa rewheel is /tted, the system may
still display the tyre pressure of there mo ved
wheel. Only restart the system again when the
emer gency spa rewheel has been replaced
with a new wheel.
Be sure toalso obser vethefo llowing fur ther rela-
te d subjects:
R Notes on tyre pressure (/ page 339)
R Tyre pressure table (/ page 340)
R Notes on /tting tyres (/ page 343)
R Fitting an emer gency spa rewheel
(/ page 348) 354 354
Wheels and tyres