2021 MERCEDES-BENZ E-CLASS CABRIOLET Owners Manual

R
vehicle vib ration
R smo kewhich smells like rubber
R continuous ESP ®
inter vention
R crac ksinthe tyre side walls #
ATer driving in emer gency mode, ha ve
th erims checkedby a quali/ed specialist
wo rkshop with rega rd totheir fur ther
use. #
The defective tyre must be replaced in
ev ery case. Wi
th MOEx tended tyres (run-0at tyres), you can
continue todrive your vehicle even if there is a
to ta l loss of pressure in one or more tyres. Ho w-
ev er, the tyre a.ected must not show any clear ly
visible damage.
Yo u can recognise MOExtended tyres bythe
MOEx tended ma rking which appears on the side
wa ll of the tyre.
V
V ehicles wit ehicles wit h tyr
h tyre pr
e pressur
essur e loss w
e loss w ar
ar ning syst
ning syst em:
em:
MOExtended tyres may only be used in conjunc-
tion with an activated tyre pressure loss warning
system. V
V
ehicles wit
ehicles wit h tyr
h tyre pr
e pressur
essur e monit
e monit or
oring sy
ing sy st
stem:
em:
MOExtended tyres may only be used in conjunc-
tion with an activated tyre pressure monitoring
system.
If a pressure loss warning message appears inthe
driver's displa y,proceed as follo ws:
R Check the tyre for damage.
R If driving on, obser vethefo llowing no tes.
Dr
Dr iving dist iving dist ance possible in emerg
ance possible in emerg ency mode
ency mode
aTer
aTer t
the pr
he pr essur
essur e loss w
e loss w ar
arning:
ning: Load condition
Load condition
Dr
Driving dist
iving dist ance possi-
ance possi-
ble in emerg
ble in emerg ency mode
ency mode
Pa rtially laden 80 km
Fu lly laden 30 km The driving distance possible in emer
gency mode
may vary depending on the driving style. Obser ve
th e maximum permissible speed of 80 km/h.
If a tyre has gone 0at and cannot be replaced with
an MOExtended tyre, you can use a standard tyre
as a temp orary measure. TIREFIT kit st
TIREFIT kit st
or
orag
ag e location
e location The TIREFIT kit is located under
the boot 0oor. 1
Tyre sealant bottle
2 Tyre in0ation compressor
Depending on the model, the TIREFIT kit may also
be located in other places under the load com-
partment 0oor.
% You can /nd information on the po wer cate-
gory (LK) and/or electrical data on the back
of the tyre in0ation compressor:
R LK2 – 12 V/15 A,180 W,0.8 kg 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 318)
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
319 319

Comply with
the manufacturer's saf ety no tes on
th e stic ker on the tyre in0ation compressor.
Ha ve the tyre sealant bottle replaced in a quali/ed
specialist workshop every /ve years. #
Do not remo veany fore ign objects which ha ve
entered the tyre. #
A1x part 1ofthe TIREFIT stic kerto the
inst rument clus ter within the driver's /eld of
vision. #
A1x part 2ofthe TIREFIT stic ker near the
va lve on the wheel with the defective tyre. #
Pull plug 4with the cable and hose 5out
of the tyre in0ation compressor housing. #
Push the plug of hose 5into 0an ge6 of
tyre sealant bottle 1until the plug engages. #
Place tyre sealant bottle 1head down wards
into recess 2ofthe tyre in0ation compres-
sor. #
Remo vetheva lve cap from valve 7 onthe
fa ulty tyre. #
Screw /lling hose 8onto valve 7. #
Insert plug 4into a 12 V soc ket in your vehi-
cle. #
Switch on theve hicle. #
Switch on the tyre in0ation compressor using
On/O. switch 3.
The tyre is in0ated. Firs t, tyre sealant is pum-
ped into the tyre. The pressure may brie0y rise
to appr oximately 500 kPa (5.0 bar/73 psi).
Do no
Do no t switc
t switc h
ho.
o. t
the tyr
he tyr e
ein0ation
in0ation com
compr
pressor
essor
dur
dur ing t
ing t his phase!
his phase! 320
320
Breakdown assistance

#
Let the tyre in0ation compressor runfo r a
maximum of ten minutes.
The tyre should then ha veattained a tyre pres-
sure of at least 200 kPa (2.0 bar/29 psi).
If tyre sealant leaks out, make sure you clean the
a.ected area as quickly as possible. It is prefera-
ble touse clean water.
If yo uget tyre sealant on your clo thing, ha veit
cleaned as soon as possible with per chloroe thy-
lene.
If,
If, aTer aTer t
ten minut
en minut es, a tyr
es, a tyre pr
e pressur
essur e of 200 kPa
e of 200 kPa
(2.0 bar/29 psi) has no
(2.0 bar/29 psi) has no t been att
t been att ained:
ained: #
Switch o. the tyre in0ation compressor. #
Unscr ewthe /lling hose from theva lve of the
defective tyre.
Please no tethat tyre sealant may leak out when
unscr ewing the /lling hose. #
Drive forw ards or in reve rseve ry slo wly for
appr oximately 10 m. #
Pump up the tyre again.
ATer a maximum of ten minutes the tyre pres-
sure must be at least 200 kPa (2.0 bar/
29 psi). &
W WARNING
ARNING Risk of accident due tothe
speci/ed tyre pressure not being attained
If th e speci/ed tyre pressure is not attained
aTer the speci/ed time, the tyre is too badly
damaged. The tyre sealant cannot repair the
tyre in this instance.
The braking and driving characteristics may be
gr eatly impaired. #
Do not continue driving. #
Consult a quali/ed specialist workshop. If,
If,
aTer
aTer t
ten minut
en minut es, a tyr
es, a tyre pr
e pressur
essur e of 200 kPa
e of 200 kPa
(2.0 bar/29 psi) has been att
(2.0 bar/29 psi) has been att ained:
ained: #
Switch o. the tyre in0ation compressor. #
Unscr ewthe /lling hose from theva lve of the
defective tyre. &
W
WARNING
ARNING Risk of accident from driving
with sealed tyres
A tyre temp orarily sealed with tyre sealant
impairs the handling characteristics and is not
suitable for higher speeds. #
Adapt your driving style accordingly and
drive carefull y. #
Do not exceed the maximum speed limit
with a tyre that has been repaired using
tyre sealant. #
Obser vethe maximum permissible speed for a
tyre sealed with tyre sealant 80 km/h.
* N
NOOTE
TE Staining from leaking tyre sealant ATer use,
excess tyre sealant may leak out
from the /lling hose. #
Therefore, place the /lling hose in the
plastic bag that contained the TIREFIT
kit. Breakdown assistance
321
321

+
ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TE Environmen tal
pollution caused byenvironmentally ir re-
sponsible disposal Ty
re sealant contains pollu tants. #
Have the tyre sealant bottle disposed of
professionall y,e.g. at a Mercedes-Benz
Service Centre. #
Stow the tyre sealant bottle and the tyre in0a-
tion compressor. #
Pull away immediatel y. #
Stop driving aTer appr oximately ten minutes
and check the tyre pressure using the tyre
in0ation compressor.
The tyre pressure must now be at least
130 kPa (1.3 bar/19 psi). &
W WARNING
ARNING Risk of accident due tothe
speci/ed tyre pressure not being attained
If th e speci/ed tyre pressure is not reached,
th e tyre is too badly damaged. The tyre seal-
ant cannot repair the tyre in this instance. The braking and driving
characteristics may be
gr eatly impaired. #
Do not continue driving. #
Consult a quali/ed specialist workshop. Countr
Countr
ies t
ies that hav
hat hav e Mer
e Mercedes-Benz Ser
cedes-Benz Ser vice24h:
vice24h:
yo u will /nd a stic ker with thete lephone number,
e.g. on the B‑pillar on the driver's side. #
Correct the tyre pressure if it is still at least
130 kPa (1.3 bar/19 psi). See the tyre pres-
sure table on the fuel /ller 0ap forva lues. #
T
T o incr
o incr ease t
ease t he tyr
he tyre pr
e pressur
essur e:
e:switch on the
tyre in0ation compressor. #
T To r o r educe t
educe t he tyr
he tyre pr
e pressur
essur e:
e:press pressure
re lease button 1next tomanome ter2. #
When the tyre pressure is cor rect, unscr ew
th e /lling hose from theva lve of the sealed
tyre. #
Screw theva lve cap onto theva lve of the
sealed tyre. #
Pull the tyre sealant bottle out of the tyre in0a-
tion compressor.
The /lling hose st ays on the tyre sealant bot-
tle. #
Drive tothe nearest quali/ed specialist work-
shop and ha vethe tyre, tyre sealant bottle and
/lling hose replaced there. Batt Batt
er
ery (v
y (v ehicle)
ehicle) N
No
ot
tes on t
es on t he 12 V batt
he 12 V batt ery
ery &
W
WARNING
ARNING Risk of an accident due towo rk
car ried out incor rectly on the battery
Wo rkcar ried out incor rectly on the battery
can, forex ample, lead toa short circuit. This 322
322
Breakdown assis
tance

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