2022 MERCEDES-BENZ E-CLASS CABRIOLET maintenance

On-board computer:
4 Service 5
Engine oil level
One of thefo llowing message s will appear onthe
inst rument displa y:
R Engine oil level Measuring now: measu rement
of the oil le vel is not yet possible. #
Repeat there qu est aTer a maximum of
30 minutes' driving.
R Engine oil level OK andthe bar display for
indicating the oil le vel on the inst rument dis-
play is green and is between "min" and "max":
th e oil le vel is cor rect.
R Engine oil level Add 1,0 l andthe bar display
fo r indicating the oil le vel on the inst rument
display is orange and is below "min": #
Add 1 l of engine oil.
R Reduce engine oil level andthe bar display for
indicating the oil le vel on the inst rument dis-
play is orange and is abo ve"max": #
Drain o. any excess engine oil that has been
added. Todo so, consult a quali/ed specialist
wo rkshop.
R For engine oil level turn on ignition #
Switch on theve hicle tocheck the engine oil
le ve l.
R Engine oil level System inoperative: The oil
le ve l sensor is defective or not connected. #
Consult a quali/ed specialist workshop.
R Engine oil level System currently unavail. #
Close the bonnet.
T
T op up engine oil
op up engine oil &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING Risk of /re and injury from
engine oil
If engine oil comes into contact with hot com-
ponent parts in the engine compartment, it
may ignite. #
Make sure that no engine oil is spilled
next tothe /ller opening. #
Allow the engine tocool o. and thor-
oughly clean the engine oil from compo-
nent parts before starting theve hicle. *
N
NOOTE
TE Engine damage caused byan inco r-
re ct oil /lter, incor rect oil or additi ves #
Do not use engine oils or oil /lters which
do not cor respond tothe speci/cations
ex plicitly prescribed forth e service inter-
va ls. #
Follow the inst ructions on the service
inter val display forch anging the engine
oil and obser vethe prescribed change
inter vals. #
Do not use additives. 304 304
Maintenance and care

*
N
N O
OTE
TE Damage caused bytopping up too
much engine oil To
o much engine oil can damage the engine or
th e catalytic con verter. #
Have excess engine oil remo ved at a
qu ali/ed specialist workshop. %
Depending on driving st yle, theve hicle con-
sumes up to0.8 litre of oil per 1000 km. The
oil consum ption may be higher than this when
th eve hicle is new or if you frequently drive at
high engine speeds. #
Turn cap 1anti-clockwise and remo veit. #
Top up the engine oil. #
Replace cap 1and turn it clockwise until it
engages. #
Check the oil le vel again (/ page 303). Chec
Chec
king t
king t he coolant lev
he coolant lev el
el &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING Risk of scalding from hot cool-
ant
If yo u open the cap, you could be scalded. #
Let the mo tor cool down before opening
th e cap. #
When opening the cap, wear pr otective
glo ves and saf ety glasses. #
Open the cap slo wlytorelease pressure. Maintenance and care
305
305

#
Park theve hicle on a le vel sur face. #
Check the coolant temp erature display on the
inst rument displa y.
The coolant temp erature must be below 70°C. #
Slowly turn cap 1anti-clockwise torelease
ove rpressure. #
Continue turning cap 1anti-clockwise and
re mo veit. The coolant le
vel is cor rect in thefo llowing cases:
R Ifth e engine is cold, the coolant is up to
mar ker bar 2.
R Ifth e engine is warm,th e coolant is up to
1.5 cm overth e mar ker bar 2. #
If necessar y,re/ll with coolant that has been
appr ovedfo r Mercedes-Benz.
% Further information on coolant (/ page 367) T
T
opping up t
opping up t he windscr
he windscreen w
een washer syst
asher syst em
em &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING ‑ Risk of /re and injury due to
windscreen washer concent rate
Wi ndsc reen washer concent rate is highly 0am-
mable. It could ignite if it comes into contact
with hot engine component parts or the
ex haust system. #
Make sure that no windscreen washer
concent rate spills out next tothe /ller
opening. 306 306
Maintenance and care

#
Ensure there is su1cient ground clear-
ance between the underbody and the
guide rails of the car wash. #
Ensure that the clearance width of the
car wash, in particular the width of the
guide rails, is su1cient. To
avo id damage toyour vehicle when using a car
wa sh, ensu rethefo llowing beforehand:
R Toavo id possible water ing ress in theve hicle,
it is preferable touse car washes which allow
th e high-pressure pre-cleaning tobe deactiva-
te d (speci/cation forth e cabriolet prog ram).
R Avoid any hot-wax treatment.
R Make sure that the wind de0ector on the wind-
screen has been retracted.
R Active Distance Assist DISTRONIC is deactiva-
te d.
R The HOLD function is switched o..
R The 360° Camera or there ve rsing camera is
switched o..
R The side windo wsand soT top are closed
comple tely. R
The blo werfo rth eve ntilation and heating is
switched o..
R The windsc reen wiper switch is in position g.
R The key is at a minimum dis tance of 3 m away
from theve hicle. Otherwise the boot lid could
open unintentionall y.
R For car washes with a con veyor system:
- Neutral iis engaged.
- Ifyo uwo uld like tolea vetheve hicle while
it is being washed, make sure theke y is
located in theve hicle. The park position
j isotherwise automatically engaged.
% If, aTer the car wash, youre mo vethewax
from the windscreen and wiper rubbers, this
will pr event smearing and reduce wiper noise. Inf
Inf
or
ormation on using a high-pr
mation on using a high-pr essur
essure cleaner
e cleaner &
W
WARNING
ARNING Risk of an accident when using
high-pressure cleaners with round-spr ay
nozzles
The water jet can cause extern ally invisible
damage.
Components damaged in this wa y may un ex-
pectedly fail. #
Do not use a high-pressure cleaner with
round-spr aynozzles. #
Have damaged tyres or chassis parts
re placed immediatel y. To
avo id damage toyour vehicle, obser vethefo l-
lowing when using a high-pressure cleaner:
R The key is at a minimum dis tance of 3 m away
from theve hicle. Otherwise the boot lid could
open unintentionall y.
R Maintain a distance of at least 30 cm tothe
ve hicle.
R V Vehicles wit
ehicles with decor h decorativ
ative f
e foil:
oil: Parts of your
ve hicle are co vered with a decorative foil. 308
308
Maintenance and care

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 opera-
to r manual.
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 component parts, batteries, illuminants
and louvres. 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
vethere leva nt legal requ irements (e.g. in
some countries, washing byhand is permitted
only 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 313). 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
309
309

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. wa x.
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 186). 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 309). They also apply tomatt dec-
orative foils.
Obser vethe no tes on cleaning decorative foils to
av oid 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 as soon as possible. Avoid rub-
bing too hard in order tonot ir reparably dam-
age the decorative foil.
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 Toprev ent water 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 this
case, contact a quali/ed specialist workshop.
Yo u can obtain more information on care and
cleaning agents 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. 310
310
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
311
311

#
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. 312
312
Maintenance and care