light MERCEDES-BENZ E-CLASS CABRIOLET 2021 Owners Manual

#
Select an ent ryscreen. #
Select Continue r. #
Select an image. #
Enter the names into the entry /eld and con-
/rm with a. #
Select Save. Syst
Syst
em se
em se ttings
ttings Ov
Ov
er
ervie
vie w of t
w of t he sy
he syst
stem se
em se ttings menu
ttings menu In
the system settings menu, you can make set-
tings in thefo llowing menus and control ele-
ments:
R Display
- Styles
- Instrument lighting
- Display brightness
- Edge lighting
- Day/night design
R Control elements -
Keyboard language and handwriting recog-
nition
- Sensitivity of theto uchpad
- Sensitivity of theTo uch Controls
R LINGU ATRO NIC
R Sound
- Enter tainment
- Navigation and tra1c announcements
- Telephone
- Voice ampli/cation tothere ar
R Connectivity
- Wi-Fi, Blue tooth ®
, NFC
R Time & date
R Language
R Units for distance
R SoTware updates
R Data import/export
R PIN pr otection
R System Reset Inf
Inf
or
ormation on im
mation on im port
portant syst
ant syst em updat
em updat es
es Impor
tant system updates may be necessary for
th e security of your multimedia system's data.
Install these updates, or else the security of your
multimedia system cannot be ensured.
A system update consists of thre e steps:
R Downloading or copying of the data requ ired
fo r installation
R Installation of the downloaded system update
R Activation of the downloaded system update
by restarting the system
% If automatic soTware updates are activated,
th e system updates will be downloaded auto-
maticall y.
The multimedia system pr ovides a message when
a system update is available.
Yo u ha vethefo llowing selection options:
R Accept and install
The system update will be downloaded in the
background.
R Information 262 262
MBUX multimedia system

Then,
you can select a service and be connected
to a specialist at the Mercedes-Benz Customer
Centre.
Calling t Calling t he Mer
he Mercedes-Benz Cust
cedes-Benz Cust omer Centr
omer Centre
eaTer
aTer
aut
aut omatic accident or br
omatic accident or br eakdo
eakdown det
wn det ection
ection
R
R eq
eq uir
uir ements:
ements:
R The vehicle has de tected an accident or break-
down situation.
R The vehicle is stationar y.
R The hazard warning lights are switched on.
% This function is not available in all countries.
The vehicle can de tect accident or breakdown sit-
uations under cer tain circumstances.
In theev ent an accident or breakdown is de tec-
te d, the emer gency guide sh ows saf ety no tes in
th e multimedia system displa y.
ATer quitting the emer gency guide display on the
multimedia system, a prom ptappears asking
whe ther youwo uld like toget support from the
Mercedes-Benz Customer Centre. #
Select Call.
R ATer your ag reement, or if the Mercedes
me connect service "Accident and Break-
down Management" is active, theve hicle
data is transfer red automatically
(/ page 282).
R The Mercedes-Benz Customer Centre
ta ke syo ur call and or ganises the break-
down and accident assistance.
Yo u may be charge dfo rth ese services.
% Depending on the se verity of the accident, an
automatic emer gency call can be initia ted.
This has priority over all other active calls.
% In addition, if the Mercedes me connect
service "Telediagnostics" is active, a similar
prom ptcan appear aTer a delay in theev ent
of a breakdown. If you are already in contact
with the Mercedes-Benz Customer Centre or
ha ve already received support, this prom pt
can be ignored or declined.
% Ifyo u answer the prom ptfor support from the
Mercedes-Benz Customer Centre with Later,
th e message will be hidden and appear again
later. The prom
pttriggered bythe Mercedes me
connect service "Telediagnostics", can either
be con/ rmed or declined. ATer being
declined, this will not be shown again.
Arr Arr anging a ser
anging a ser vice appointment via a Mer
vice appointment via a Mer cedes
cedes
me call
me call
If yo u ha veactivated the maintenance manage-
ment service, releva nt vehicle data is transfer red
automatically tothe Mercedes-Benz Customer
Centre. You will then receive individual recom-
mendations rega rding the maintenance of your
ve hicle.
Re gardless of whe ther you ha veconsen tedto the
maintenance management service, the multime-
dia system reminds you aTer a cer tain amount of
time that a service is due. A prom ptappears ask-
ing if youwo uld like tomake an appointment. #
T To arr
o arr ang
ange a ser
e a ser vice appointment
vice appointment: :select Call.
ATer your ag reement, theve hicle data is
transfer red and the Mercedes-Benz customer
centre take syo ur prefer red appointment date.
The information is then sent toyour desired
service outlet. MBUX multimedia system
279
279

Opening t
Opening t
he bonnet
he bonnet #
Torelease the bonnet, pull on handle 1. #
Push handle 1ofthe bonnet catch upwards
and liT the bonnet until it opens automaticall y.
Closing t
Closing t he bonnet
he bonnet #
Lowe rth e bonnet toa height of around 20 cm
and then allow it tofall, applying a little force
as you let it go. #
Ifth e bonnet can still be liTed slightl y,open
th e bonnet again and close it with a little more
fo rc e until it engages cor rectl y. Engine oil
Engine oil
Chec
Chec
king t
king t he engine oil lev
he engine oil lev el using t
el using the on-board
he on-board
com
com put
puter
er
R
R eq
eq uir
uir ements:
ements:
R The engine has been warmed up.
R The vehicle is par ked on a le vel sur face.
R The engine is running at idle speed.
R The bonnet is closed.
The engine oil le vel is de term ined during driving.
De term ining the engine oil le vel can take up to
30 minutes with a normal driving style and even
longer with an active driving style. Maintenance and care
301
301

Maintain a distance of at least 70 cm between
th efo il-co vered parts of theve hicle and the
nozzle of the high-pressure cleaner. Mo vethe
high-pressure cleaner nozzle around whilst
cleaning. The waterte mp erature of the high-
pressure cleaner must not exceed 60°C.
R Obser vethe information on the cor rect dis-
ta nce in the equipment manufacturer's oper-
ating inst ructions.
R Do not direct the nozzle of the high-pressure
cleaner directly at sensitive parts, such as
tyres, soT top, wind de0ector net, gaps, elec-
trical components, batteries, light sources and
ve ntilation slits. W W
ashing t
ashing t he v
he vehicle b
ehicle b y hand
y hand *
N NOOTE TE Engine damage due towa ter ing ress #
Take care not topoint thewa ter jet
directly towa rdsth e air inlet grille below
th e bonnet. obser
vethe legal requ irements, e.g. in a number
of countries, washing byhand is only permitted in
special lydesignated wash ba ys. #
Use a mild cleaning agent, e.g. car shampoo. #
Washtheve hicle with luk ewarm water using a
soT car sponge. When doing so, do not
ex pose theve hicle todirect sunlight. #
Carefully hose theve hicle o. with water and
dry using a chamois.
% Obser vethe no tes on the care of car parts
(/ page 311). N No
ot
tes on paintw
es on paintw or
ork/matt
k/matt /nish
/nishpaintw
paintw or
ork care
k care To
avo id damaging the paintwork and inter fering
with the driving assistance systems, please
obser vethefo llowing no tes:
P
P aint
aint
R Insect remains: soak with insect remo ver and
ri nse o. the treated areas aTer wards.
R Bird droppings: soak with water and rinse o.
aTer wards. R
Tree resin, oils, fuels and greases: remo veby
ru bbing gently with a clo thsoaked in petro-
leum ether or lighter 0uid.
R Coolant and brake 0uid: remo vewith a damp
clo thand clean water.
R Tar stains: use tarre mo ver.
R Wax: use silicone remo ver.
R Do not attach sti ckers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a quali/ed specialist workshop.
R Remo vedirt immediatel y,where possible.
Matt Matt /nish /nish
R Only use care products appr ovedfor
Mercedes-Benz.
R Do not attach stic kers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a qu ali/ed specialist workshop.
R Do not polish theve hicle and light-alloy
wheels.
R Only use car washes that cor respond tothe
latest engineering standards. Maintenance and care
307
307

R
Do not use car wash prog rammes with a /nal
hot wax treatment.
R Do not use paint cleaners, bu1ng or polishing
products, gloss preser vers, e.g. wax.
In theev ent of paintwork damage:
R Always ha vepaintwork repairs car ried out at a
qu ali/ed specialist workshop.
R Make sure thera dar sensors function
(/ page 183). N
No
ot
tes on cleaning decor
es on cleaning decor ativ
ative f
e foils
oils Obser
vethe no tes on matt /nish care in thech ap-
te r "No tes on paintwork/matt /nish paintwork
care" (/ page 307). They also apply tomatt dec-
orative foils.
Obser vethe no tes on cleaning decorative foils to
av oid vehicle damage.
Cleaning
Cleaning
R For cleaning, use plenty of water and a mild
cleaning agent without additives or abrasive
substances, e.g. a car shampoo appr ovedfor
Mercedes-Benz. R
Remo vedirt immediatel y,where possible,
whilst avoiding rubbing too hard. There is oth-
erwise a risk of damaging the decorative foil
ir re parabl y.
R Ifth ere is dirt on the /nish or if the decorative
fo il is dull: use thePa int Cleaner recommen-
ded and appr ovedfo r Mercedes-Benz.
R Insect remains: soak with insect remo ver and
ri nse o. the treated areas aTer wards.
R Bird droppings: soak with water and rinse o.
aTer wards.
R Topreve ntwa ter stains, dry a foil-wrapped
ve hicle with a soT, absorbent clo thaTer every
car wash.
A
A v
voiding damag
oiding damag e t
e to t
o t he decor
he decor ativ
ative f
e foil
oil
R The service life and colou ring of decorative
fo ils are impaired by:
- sunlight
- temp erature, e.g. hot air blo wer
- weather conditions
- stone chippings and dirt
- chemical cleaning agents -
oily products
R Do not use polish on matt decorative foil. Po l-
ishing will ha vethe e.ect of shining thefo il-
wrapped sur face.
R Do not treat matt or st ructured decorative
fo ils with wax.Pe rm anent stains may occur.
Scratches, cor rosive deposits, areas a.ected by
cor rosion and damage caused byincor rect care
cannot alw ays be comple tely re paired. In such
cases, visit a quali/ed specialist workshop.
Yo u can obtain more information on care and
cleaning products from the manufacturer.
In the case of foil-wrapped sur faces, optical di.er-
ences may occur between the sur faces that we re
not pro tected bya decorative foil aTer removing a
decorative foil.
% Have workor repairs todecorative foils car-
ri ed out at a quali/ed specialist workshop,
e.g. in a Mercedes-Benz Se rvice Centre. N
No
ot
tes on cleaning and car
es on cleaning and car e of t
e of the
hesoT
soT t
top
op Obser
vethefo llowing no tes in order toprev ent
damage tothe soT top. 308
308
Maintenance and care

Light dirt
Light dirt
R Clean the soT top when dr y.
R Rinse with clean water.
N
N or
or mal t
mal t o hea
o hea vy dirt
vy dirt
R Clean the soT top with a brush and clean
wa ter.
R Clean stains and other heavy dirt with a brush
and soT-top cleaning agents recommended
and appr ovedfo r Mercedes-Benz.
R Brush from front toback in the direction of the
fa bric.
Av
Av oiding
oiding soT-t
soT-top
opdamage
damage
R Never use petrol, thinners, tar or stain
re mo ver or other or ganic sol vents.
R Remo vebird droppings immediatel y,as they
are cor rosive and can therefore cause the
soT-top fabric toleak.
R Never use a high-pressure cleaner.
R Do not use sharp-edged equipment toremo ve
ice and sno w.
Fr equent cleaning reduces the soT top's resist-
ance todirt. Torestore the e.ect, clean the soT to
p with the soT- topcleaning agents recommen-
ded and appr ovedfo r Mercedes-Benz.
Incor rect cleaning and care, as well as ageing,
can cause the soT- topseams toleak. If this hap-
pens, ha vethe soT- topseams sealed at a quali-
/ed specialist workshop, e.g. at your Mercedes-
Benz service centre.
% Place a suitable co verove rth e soT top if you
plan tolea vetheve hicle outside for a long
period of time. Cleaning AIRC
Cleaning AIRC
AP
AP Cleaning t
Cleaning t
he wind
he windde0ect
de0ector
or
* NO
NOTE
TEDamage tothe net due tousing a
high-pressure cleaner #
Never use a high-pressure cleaner to
clean the net of the wind de0ector. R
R
eq
eq uir
uir ements:
ements:
R The soT top is closed.
R The electric parking brake has been applied.
R The vehicle is switched on. #
Pull but ton1.
The wind de0ector between the windscreen
and the soT top will extend. Maintenance and ca
re
309
309

#
Light dirt:
Light dirt: clean wind de0ector net 1with a
soT brush or a damp clo th.#
Hea
Hea vier dir t:
vier dir t:clean net 1with care products
and cleaning agents recommended and
appr ovedfo r Mercedes-Benz. #
Rinse or spr aythe net with clean water.
Cleaning t
Cleaning t he dr
he draught st
aught st op
op
R
R eq
eq uir
uir ements:
ements:
R The soT top is open.
R The electric parking brake has been applied.
R The vehicle is switched on. #
Pull but ton1.
The AIR CAP draught stop will mo veupwards. #
Clean draught stop net 1with a damp clo th
in conjunction with the care products and
cleaning agents recommended and appr oved
fo r Mercedes-Benz. Cleaning t
Cleaning t
he f
he folding dr
olding dr aught st
aught stop
op *
N
NOOTE
TE Damage tothe net due tousing a
high-pressure cleaner #
Never use a high-pressure cleaner to
clean the net of the wind de0ector. 310
310
Maintenance and care

R
With th e wiper arms folded out, clean the
wiper blades with a damp clo th.
% Make sure that the wiper blades are coated.
The coating can lea veresidues on a clo th. Do
not rubth e wiper blades excessively or clean
th em too oTen.
Ext
Ext er
erior lighting
ior lighting
R Clean the lenses with a wet sponge and mild
cleaning agent, e.g. car sha mpoo.
R Only use cleaning agents or cleaning clo ths
th at are suitable for plastic lenses.
Sensors
Sensors
R Clean the sensors in the front and rear bump-
ers with a soT clo thand car shampoo
(/ page 183).
R When using a high-pressure cleaner, main tain
a minimum distance of 30 cm.
Rev
Rev er
ersing camer
sing camer a and 360° Camera
a and 360° Camera
R Open the camera co ver with the multimedia
system (/ page 227).
R Use clean water and a soT clo thtoclean the
camera lens. R
Do not use a high-pressure cleane r.
T
T ailpipes
ailpipes
R Clean with a cleaning agent recommended for
Mercedes-Benz, especially in the winter and
aTer washing theve hicle.
R Do not use acidic cleaning agents.
Tr
Tr ailer 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: 312
312
Main
tenance and ca re

Seat belts
Seat belts
R Clean wi thluk ewa rmand 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.
R Do not use sol vent-based cleaning agents, pol-
ishes or waxes.
R
R oof lining
oof lining
R Clean with a brush or dry shampoo.
Car
Car pet
pet
R Use a carpet and textile cleaning agent recom-
mended for Mercedes-Benz.
St
St eer
eer ing wheel made of g
ing wheel made of g enuine leat
enuine leat her or DINA-
her or DINA-
MICA
MICA
* NO
NOTE
TEDamage caused bywrong cleaners #
Do not use sol vent-based cleaning
agents such as tarre mo ver or wheel cleaner; neither should
you use polishes
or wa xes. Otherwise you may damage
th e /nish. R
Clean with a damp clo thand 1% soapy water
solution and then wipe with a dry clo th.
R For heavy soiling: Use a cleaner recommen-
ded for Mercedes-Benz.
R Leather care: Use a leather care agent that
has been recommended for Mercedes-Benz.
R Do not allow the leather tobecome too damp.
R Do not use a micro/bre clo th.
% Leather is a natural product. It has natural
surface properties, such as di.erences in
st ru cture, mar kscaused bygrow thand injury
or subtle colour di.erences. These sur face
properties are characteristics of leather and
not material faults. What's more, leather is
subject toa natural ageing process during
which the sur face properties change.
Genuine leat
Genuine leat her seat cov her seat covers
ers
R Clean with a damp clo thand then wipe with a
dry clo th. Maintenance and ca
re
313
313

#
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