charging MERCEDES-BENZ E-CLASS CABRIOLET 2021 Owners Manual

Symbols
Symbols
.......................................................... 5 5A
A
t a glance
t a glance ...................................................... 6 6
Co ckpit ........................................................... 6
Indicator and warning lamps .......................... 10
Overhead control panel ................................. 12
Door operating unit and seat adjustment .......14
Emer gencies and breakdowns ....................... 16 Digit Digit
al Owner's Manual
al Owner's Manual ................................. 18 18
Calling up the Digital Owner's Manual ............ 18 Gener
Gener
al not
al notes
es............................................... 20 20
Pr otection of the environment ....................... 20
Ta ke -back of end-of-life vehicles .................... 20
Mercedes-Benz Genuine Parts ........................ 21
Owner's Manual ............................................ 22
Operating saf ety ............................................ 22
Declarations of con form ity and no tes on
driving in di.erent countries .......................... 24
Diagnostics connection ................................. 31
Quali/ed specialist workshop ........................ 33
Ve hicle registration ....................................... 33 Cor
rect use of theve hicle ............................. 33
Information on the REACH regulation ............. 33
No tesfo r persons with electronic medical
aids .............................................................. 34
Implied warranty .......................................... .34
QR code forre scue card .............................. .35
Data storage .................................................35
Copyright ...................................................... 38 Occupant safe Occupant safe
ty
ty ............................................ 39 39
Re straint system .......................................... .39
Seat belts .................................................... .41
Airbags ......................................................... 46
Ro ll bar ......................................................... 53
PRE-SAFE ®
system ........................................ 54
Safely transporting children in theve hicle ...... 55
No tes on pets in theve hicle .......................... 73 Opening and closing
Opening and closing
...................................... 74 74
Ke y .............................................................. .74
Doors ............................................................ 77
Boot .............................................................. 82
SoT top ........................................................ .85Fi
tting and removing thefo lding draught
stop .............................................................. 89
Side windo ws................................................ 91
Anti-theT pr otection ...................................... 95 Seats and sto Seats and sto
wing
wing.........................................98 98
No tes on the cor rect driver's seat position ... .98
Seats ............................................................ 99
St eering wheel ............................................ 110
Easy entry and exitfeature .......................... 112
Memory function ......................................... 113
St owa geareas ............................................ 115
Soc kets ....................................................... 121
Wi reless charging of the mobile phone
and connection with theex terior aerial ........ 121
Fi tting and removing the 0oor mats ............. 123 Light and sight
Light and sight
............................................ 125 125
Exterior lighting ........................................... 125
Interior lighting ............................................ 133
Wi ndsc reen wipers and windscreen
wa sher system ............................................ 134
Mir rors ........................................................ 138 2 2
Contents

&
W
WARNI NG
ARNI NGRisk of accident due tocon-
necting devices tothe diagnostics con-
nection
If yo u connect devices tothe diagnostics con-
nection of theve hicle, the function of vehicle
systems and operating saf ety may be
impaired. #
For saf etyre asons, werecommend that
yo u only use and connect products
appr ovedby yo ur Mercedes-Benz service
centre. &
W
WARNING
ARNING Risk of accident due toobjects
in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardises the operating and road saf ety
of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. #
Always /t the 0oor mats securely and as
prescribed in order toensure that there
is alw ays su1cient room forth e pedals. #
Do not use loose 0oor mats and do not
place 0oor mats on top of one ano ther. *
N
NOOTE
TE Battery discharging from using devi-
ces connected tothe diagnostics connec-
tion Using devices at
the diagnostics connection
drains the batter y. #
Check thech arge leve l of the batter y. #
Ifth ech arge leve l is lo w,charge the bat-
te ry, e.g. bydriving a considerable dis-
ta nce. Please also no
tethe information about the 12 V
battery and short-dis tance trips in the "Driving
and Parking" chap ter (/ page 158). Connecting and using ano
ther device with the
diagnostics connection can ha vethefo llowing
e.ects:
R malfunctions in theve hicle system
R permanent damage tovehicle components
Please referto thewa rranty term s and conditions
fo rth is matter. 32
32
General no
tes

Soc
ke
Soc kets
ts Using t
Using t
he 12 V soc ket
he 12 V soc ket R
R
eq
eq uir
uir ements:
ements:
R Only connect devices up toa maximum of
180 W (15 A).
Depending on theve hicle equipment, theve hicle
has a 12 V soc ket in the st owage compartment in
th e front centre console. In addition, depending
on theve hicle equipment, theve hicle has a 12 V
soc ket in the st owage compartment in there ar
cent reconsole. Example: 12 V soc
ket in the st owage compartment
in the front centre console #
Brie0y press the trim element of the co ver on
th e front.
The co ver opens in the direction of the ar row. #
LiT up cap 1ofthe soc ket and insert the
plug of the device.
If yo u ha veconnected a device tothe 12 V
soc ket, lea vethe co ver of the st owage compart-
ment open. USB por
USB por
t in t
t in the r
he rear passeng
ear passeng er com
er compar
par tment
tment Depending on
theve hicle equipment, theve hicle
has thefo llowing USB ports in there ar passen ger
compartment:
R inthe front st owage compartment
R inthe st owage compartment under the front
armrest
R inthere ar cent reconsole
R inthe st owage compartment in there ar arm-
re st
% Depending on theve hicle equipment, the
design of the st owage compartment and thenumber of USB ports in
there ar cent recon-
sole may vary.
When theve hicle is switched on, you can charge a
USB device, such as a mobile phone, at USB ports
using a suitable charging cable.
When theve hicle is switched on, the devices can
be charge d with 5 V (up to3 A). W W
ir
ireless c
eless c har
harging of t
ging of t he mobile phone and con-
he mobile phone and con-
nection wit
nection wit h t
h the e
he e xt
xter
er ior aer
ior aer ial
ial N
No
ot
tes on wir
es on wir elessl
elessly c
y c har
har ging t
ging t he mobile phone
he mobile phone &
W
WARNING
ARNING Risk of injury due toobjects
being st owed incor rectly
If objects in theve hicle interior are st owed
incor rectl y,they can slide or be thro wn around
and hit vehicle occupants. In addition, cup
holders, open st owage spaces and mobile
phone recep tacles cann otalw aysreta in all
objects within.
There is a risk of injur y,particular lyin the
eve nt of sudden braking or a sudden change
in direction. Seats and st
owing
121 121

#
Always st owobjects so that they cannot
be thro wn around in such situations. #
Always make sure that objects do not
pr otru de from st owage spaces, lug gage
nets or st owage nets. #
Close the loc kable st owage spaces
before starting a jou rney. #
Always st owand secure heavy, hard,
poin ted, sharp-edged, fragile or bulky
objects in the boot/load compartment. Obser
vethe no tes on loading theve hicle. &
W WARNING ARNING Risk of /re from placing objects
in the mobile phone st owage compart-
ment
Placing other objects in the mobile phone
st ow age compartment could constitute a /re
hazard. #
Apart from a mobile phone, do not place
any other objects in the mobile phone
st ow age compartment, especially those
made of me tal. *
N NOOTE
TE Damage toobjects caused byplac-
ing them in the mobile phone st owage
compartment If objects are placed in
the mobile phone
st ow age compartment, they may be damaged
by electromagnetic /elds. #
Do not place credit cards, data storage
devices, ski passes or other objects sen-
siti vetoelectromagnetic /elds in the
mobile phone st owage compartment. *
N
NOOTE
TE Damage tothe mobile phone st ow-
age compartment caused byliquids If liquids enter
the mobile phone st owage
compartment, the compartment may be dam-
aged. #
Ensure that no liquids enter the mobile
phone st owage compartment. R
Depending on theve hicle equipment, the
mobile phone is connected totheve hicle's
ex terior aerial via thech arging module. R
The charging function and wireless connection
of the mobile phone totheve hicle's exterior
aerial are only available if the ignition is
switched on.
R Small mobile phones may not be able tobe
ch arge d in every position of the mobile phone
st ow age compartment.
R Largemobile phones which do not rest 0at in
th e mobile phone st owage compartment may
not be able tobe charge d or connected with
th eve hicle's exterior aerial.
R The mobile phone may heat up during the
ch arging process. The mobile phone can be
cooled in the mobile phone st owage compart-
ment when the air conditioning system is
switched on. The cooling output in the mobile
phone st owage compartment is highest when
th e controller in the glo vebox is closed.
R Toensure more e1cient charging and connec-
tion with theve hicle's exterior aerial, remo ve
th e pr otective co ver from the mobile phone.
R When charging, the mat should be used if pos-
sible. 122
122
Seats and st
owing

5
L Low beam/high beam
6 R Switches there ar fog light on/o.
When low beam is activated, theT indicator
lamp forth e standing lights will be deactivated
and replaced bytheL low- beam indicator
lamp. #
Always park your vehicle safely using su1cient
lighting, in accordance with there leva nt legal
stipulations.
* N
NOOTE
TE Battery dis charging byoperating the
standing lights Operating
the standing lights over a period of
hours puts a strain on the batter y. #
Where possible, switch on theright X
or leT Wparking light. Fo
rve hicles that are wider than 2 m or lon ger
th an 6 m,single-sided parking lighting is not per-
mitted in some countries. In this case, the stand-
ing lights are also switched on in the parking
lights position. If
th e battery is insu1cient lych arge d, the stand-
ing lights or parking lights will be switched o.
automatically tofacilitate the next engine start.
The exterior lighting (e xcept standing and parking
lights) will switch o. automatically when the driv-
er's door is opened.
R Obser vethe no tes on sur round lighting
(/ page 133).
A
A ut ut omatic dr
omatic dr iving lights function
iving lights function
When theve hicle is switched on, the standing
lights, low beam and daytime running lights are
switched on automatically depending on the light
conditions. &
W
WARNING
ARNING Risk of accident when the
dipped beam is switched o. in poor visi-
bility
When the light switch is set toà ,the
dipped beam may not be switched on auto-
matically if there is fog, snow or other causes
of poor visibility such as spr ay. #
In such cases, turn the light switch to
L . The automatic driving lights are only an aid.
Yo u
are responsible forve hicle lighting.
Switc Switc hing t
hing t he r
he rear f
ear f og lights on or
og lights on or o.
o.
R
R eq
eq uir
uir ements:
ements:
R The light switch is in theL orà posi-
tion. #
Press the R button.
Please obser vethe count ry-speci/c la wsonthe
use of rear fog lamps. 126
126
Light and sight

Appl
Appl
ying/r
ying/r eleasing t
eleasing t he electr
he electr ic par
ic parking br
king br ake
ake
manual ly
manually
Appl Appl ying
ying #
Push handle 1.
The red! indicator lamp lights up in the
inst rument clus ter. %
The electric parking brake is only securely
applied if there d! indicator lamp is lit
continuousl y.
R R eleasing eleasing #
Switch on theve hicle. #
Pull handle 1.
The red! indicator lamp in the inst rument
cluster goes out.
Emerg
Emerg ency br
ency br aking
aking #
Press and hold handle 1.
As long as theve hicle is in motion, the
Release parking brake message is displayed
and there d! indicator lamp 0ashes.
When theve hicle has been braked toa stand-
still, the electric parking brake is applied. The
re d! indicator lamp lights up in the inst ru-
ment cluster. N
No
ot
tes on par
es on par king up t
king up the v
he vehicle
ehicle If
yo u lea vetheve hicle par ked up for longer than
six weeks, it may su.er damage thro ugh disuse. The 12 V battery may also be impaired or dam-
aged
byheavy discharging.
% Further information can be obtained at a
qu ali/ed specialist workshop. S S
t
tandb
andb y mode (e
y mode (e xt
xtension of t
ension of t he st
he start
arter batt
er batt er
ery's
y's
per
per iod out of use)
iod out of use) S
S
t
tandb
andb y mode function
y mode function
% This function is not available for all models.
If standby mode is activated, energy loss will be
minimised during extended periods of non-opera-
tion.
St andby mode is characterised bythefo llowing:
R The star ter battery is preser ved.
R The maximum non-operational time appears in
the media displa y.
R The connection toonline services is inter rup-
te d.
R The ATA (anti-theT alarm system) is not availa-
ble.
R The interior pr otection and tow- aw ay protec-
tion functions are not available. 182 182
Driving and parking

Coupling up/uncoupling a tr
Coupling up/uncoupling a tr
ailer
ailer&
W
WARNING
ARNING Risk of injury due toach ange
in vehicle le vel
V
V ehicles wit
ehicles wit h lev
h level contr
el contr ol:
ol:theve hicle le vel
may be changed unintentionall y,e.g. by ot her
people. If you couple or uncouple the trailer
during this time, you may become trapped. In
addition, other people could become trapped
if parts of their body are between theve hicle
body and the tyres or underneath theve hicle.
Obser vethefo llowing when coupling or
uncoupling: #
Do not open or close any doors or the
boot lid. #
Do not initiate the le vel control and do
not operate theDY NAMIC SELECT
switch. #
Do not lo ckor unlock theve hicle. R
R
eq
eq uir
uir ements:
ements:
R The ball neck is extended and engaged in a
securely loc ked position. Tr
ailers with a 7-pin plug can be connected tothe
ve hicle with thefo llowing adap ters:
R Adapter plug
R Adapter cable
The trailer will be cor rectly de tected bytheve hi-
cle only if thefo llowing conditions are met:
R The trailer is connected cor rectl y.
R The trailer lighting system is in working order.
The functions of thefo llowing systems will be
a.ec tedbya cor rectly connected trailer:
R ESP ®
trailer stabilisation
R Trailer Manoeuvering Assist
R Active Lane Keeping Assist
R Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assist
R Drive Away Assist
R Cross Tra1c Ale rt
R Reversing camera
R 360° camera R
AIR BODY CONTROL
Coupling up a tr
Coupling up a tr ailer
ailer
* NO
NOTE
TEDamage tothe star ter battery due
to full dis charge Charging
the trailer battery using the po wer
supply of the trailer can damage the star ter
batter y. #
Do not use theve hicle's po wer supply to
ch arge the trailer batter y. #
Remo vethe co ver cap from the ball head and
store it in a safe place. #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. 242
242
Driving and parking

can
restrict functions releva nt for saf ety sys-
te ms and impair the operating saf ety of your
ve hicle.
Yo u could lose control of theve hicle in thefo l-
lowing situations in particular:
R when braking
R intheev ent of abrupt steering manoeuvres
and/or when theve hicle's speed is not
adap tedto thero ad conditions #
Intheev ent of a short circuit or a similar
incident, contact a quali/ed specialist
wo rkshop immediatel y. #
Do not drive on. #
Always ha veworkon the battery car ried
out at a quali/ed specialist workshop. R
Further information on ABS (/ page 185)
R Further information on ESP ®
(/ page 186)
Fo r saf etyre asons, Mercedes-Benz recommends
th at you only use batteries which ha vebeen tes-
te d and appr ovedfo ryo ur vehicle byMercedes-
Benz. All v
All v ehicles ex
ehicles excep
cep t v
t vehicles wit
ehicles wit h a lit
h a lithium-ion bat-
hium-ion bat-
t
t ery
ery &
W
WARNING
ARNING Risk ofexplosion due toelec-
trostatic charge
Electrostatic charge can ignite the highly
ex plosive gas mixtu reinthe batter y. #
Todischar geany elect rostatic charge
th at may ha vebuilt up, touch the me tal
ve hicle body before handling the batter y. The high
ly0ammable gas mixtu reis created while
th e battery is charging and during starting assis-
ta nce. &
W
WARNI NG
ARNI NGDanger of chemical burns from
th e battery acid
Battery acid is caustic. #
Avoid contact with the skin, eyes or
clo thing. #
Do not lean overth e batter y. #
Do not inhale battery gases. #
Keep children away from the batter y. #
Immediately rinse bat tery acid o. thor-
oughly with plenty of clean water and
seek medical attention immediatel y. All v
All v
ehicles
ehicles
+ ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmental
damage due toimproper disposal of bat-
te ries Batteries contain pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmentally responsible manner.
Ta ke dischar ged batteries toaqu ali/ed
specialist workshop or toa collection
point for used batteries. Breakdown assistance
323
323

If
yo u ha vetodisconnect the 12 V batter y,con-
ta ct a quali/ed specialist workshop.
Comply with saf ety no tes and take protective
measures when handling batteries. Risk of
explosion. Fire
, naked 0ames and smoking are
prohibi ted when handling the batter y.
Av oid creating spar ks. Electrolyte or battery acid is cor
rosive.
Av oid contact with the skin, eyes or
clo thing. Wear suitable pr otective
clo thing, in particular glo ves, an apron
and a face mask. Immediately rinse
electrolyte or acid splashes o. with
clean water. Consult a doctor if neces-
sar y. We
ar saf ety glasses. Ke
ep children away. Obser
vethis Owner's Manual.
Obser vethefo llowing if you do not intend touse
th eve hicle over an extended period of time:
R Activate standby mode.
R Alternativel y:connect the battery toa battery
ch arge r appr ovedby Mercedes-Benz or con-
sult a quali/ed specialist workshop todiscon-
nect the batter y. N N
o
ot
tes on st
es on st ar
arting assist
ting assist ance and c
ance and c har
harging t
ging t he 12
he 12
V batt
V batt ery
ery All v All v
ehicles
ehicles
When charging the battery and during starting
assistance, alw ays use the jump-start connection
point in the engine compartment. *
N
NOOTE
TE Damage tothe battery from over-
vo ltage When
charging using a battery charge r without
a re striction of the maximum charging voltage,
th e battery or the on-board electronics can be
damaged. #
Only use battery charge rs with a maxi-
mum charging voltage of 14.8 V. &
W
WARNI NG
ARNI NGRisk of explosion due tohydro-
ge nga s igniting
If, when charging a batter y,there is a short
circuit or spar ksstart toform ,th ere is a dan-
ge r of hydrogen gas igniting. #
Take care that the positive clamp con-
nected toa battery does not come into
contact with vehicle parts. #
Never place me tal objects or tools on a
batter y. #
When connecting and disconnecting the
batter y,alw ays obser vethe sequence of
battery clamps described. 324
324
Breakdown assistance

#
Take care toonly connect battery term i-
nals of identical polarity when receiving
starting assistance. #
Obser vethe sequence described for
connecting and disconnecting the jump
leads when receiving starting assistance. #
Do not connect or disconnect the bat-
te ry term inals while the engine is run-
ning. &
W
W ARNI NG
ARNI NGRisk of explosion due toexplo-
sive mixture of gases
An explosive mixture of gases can escape
from the battery during charging and starting
assis tance. #
Fire , naked 0ames, smoking and creating
spar ksmust be avoided. #
Make sure there is adequate ventilation. #
Do not stand overth e batter y. &
W
WARNI NG
ARNI NGRisk of explosion from a frozen
battery
A dischar ged battery may freeze at temp era-
tures slightly abo veor below freezing point.
During starting assistance or battery charging,
battery gas can be released. #
Always allow a battery tothaw before
ch arging it or per form ing starting assis-
ta nce. If
th e indicator/warning lamps in the inst rument
clus ter do not light up at low temp eratures, it is
ve ry likely that the dischar ged battery has frozen.
In this case you may neither jump-start theve hi-
cle nor charge the batter y.
The service life of a bat tery that has been thawed
may be dramatically shor tened. The starting char-
acteristics may be impaired, especially at low
te mp eratures.
It is recommended that you ha veath awe d battery
ch ecked at a quali/ed specialist workshop. All v
All v ehicles
ehicles
* NO
NOTE
TEDamage caused bynume rous or
ex tended attem ptsto start the engine Numerous or
extended attem ptsto start the
engine may damage the catalytic con verter
due tonon-combusted fuel. #
Avoid numerous and extended attem pts
to start the engine. Obser
vethefo llowing points during starting assis-
ta nce and when charging the batter y:
R Only use undamaged jump lead/charging
cables with a su1cient cross-section and
insulated term inal clamps.
R Non-insulated parts of thete rm inal clamps
must not come into contact with other me tal
parts while the jump lead/charging cable is
connected tothe battery/jump-start connec-
tion point.
R The jump lead/charging cable must not come
into contact with any parts which may mo ve
when the engine is running. Breakdown assistance
325 325