MERCEDES-BENZ E-CLASS CABRIOLET 2018 Owner's Manual

00BBMake surethat all vehicle occupants
alw ays maintain a suf ficient dist anceto
th e air vents.
00BBIf necessary , directthe air flow to
ano ther area of theve hicle interior.
00BBTo open or close: turnthe center of air
ve nt 1 counter-clo ckwise or clockwise as
fa r as it will go.
00BBTo adjust the air direction: hold airvent 1
in the center and mo veit up or down or to
th e left or right. Ad
justing the rear air vents
00BBTo open or close: turnthe center of there ar
air vent 1 tothe left or right as far as it will
go.
00BBTo adjust the air direction: holdrear air
ve nt 1 inthe center and mo veit up or down
or tothe left or right. Opening/closing
the air vent in thegl ove box
0075 NO
TEDama geto te mperature-sensitive
objects in theglove box
Temp erature-sensitive objects stored in the
gl ove box may be damaged bythe air vent
located inside it.
00BBClose the air vent when you heat the
ve hicle.
00BBAt high outside temp eratures, open the
air vent and switch on the A/C func‐
tion.
Re quirements:RAutomatic climate control is activated.
Climate control 12
9

1Airvent controller
2Air vent
00BBTo open or close: turn controller1tothe
left or right. Ad
justing the AIRSCARF vents
0071
WARNING Risk of burn s causedbythe
heating output from AIRSCARF being too
high
When AIRSCARF is switched on, very hot air
can flow from the outlet opening in the head
re stra ints.
This could result in burns in the immediate
vicinity of the outlet opening.
00BBTu rn the heating output down in good
time.
0075 NO
TEDama gecaused toAIRSCARF by
th e use of pr otective co vers
If a pr otective co ver is placed overth e front
seat head restra ints, theflow of air from the
AIRSCARF vent is hinde red.
This can cause AIRS CARF toove rheat and be
damaged.
00BBDo not use pr otective co vers on head
re stra ints with AIRSCARF.
Make sure that there are no objects co vering the
intake grille on the back of the head restra int.
00BBYo u can adjust the blo wer output of AIR‐
SCARF vents 1using the AIRSCARF button
(
→page 94).
00BBAd just the height of AIRSCARF vents 1and
th e cur rent of air byadjusting the height of
th e head restra int (
→page 89).
13 0
Climat e control

Driving
Switching on the po wer supp lyor ignition
using theSt art/S top button
0071
WARNING Risk of accident and injury
due tochildren left unatte nded inthe
ve hicle
If ch ildren are left unatte nded intheve hicle,
th ey could:
ROpen doo rs,th ereby endangering other
persons or road users
RGet out of theve hicle and be hit by
oncoming traf fic
ROperate vehicle equipment
In addition, thech ildren could also set the
ve hicle in motion, forex ample, by:
RRe leasing the parking brake
RShifting the transmission out of park
position 005D
RStarting the engine.
00BBNe ver lea vechildren and animals unat‐
te nded in theve hicle.
00BBWhen leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
00BBKe ep the SmartK eyout of there ach of
ch ildren.
0071
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases causes poisoning.
00BBNe ver lea vethe engine running in an
enclosed space wi thout suf ficient venti‐
lation.
0071 WARNING Risk offire caused byflam‐
mable material on theex haust sy stem
Flammable materials brought in byeither ani‐
mals or environmen tal influences may ignite
if th ey come into contact wi thhot parts of
th e engine or exhaust sy stem.
00BBTherefore, check regularly that there
are no flammable materials in the
engine compartment or on theex haust
sy stem.
Re quirements:RThe SmartK eyis located in theve hicle and
th e SmartK eybattery is not dischar ged.
Driving and parking 13
1

00BBToswitch on the po wer supp ly:press but‐
to n1 (USA) or 2(Canada) once.
Yo u can act ivate the windshield wiper, for
ex ample.
The po wer supp lyis switched off again if thefo l‐
lowing conditions are me t:
Ryou open the driver's door.
Ryo upr ess butto n1 (USA) or 2(Canada)
twice.
00BBTo switch on the ignition: press button 1
(USA) or 2(Canada) twice.
The indicator lamps in the instrument clus ter
light up.
The ignition is switched off again if one of the
fo llowing conditions is me t:
RYoudo not start theve hicle within
15 minutes.
The transmission is in position 005D.
or
The electric parking brake is applied.
RYo upr ess butto n1 (USA) or 2(Canada)
once.
St arting theve hicle
Starting theve hicle with thest art/s top but‐
to n
Requ irements:
RThe SmartK eyis located in theve hicle and
th e SmartK eybattery is not dischar ged.
00BBShift the transmission toposition 005Dor005C.
00BBDepress the brake pedal and push button 1
(USA) or 2(Canada) once.
00BBIfth eve hicle does not star t:switch off non-
essential consumers and press button 1
(USA) or 2(Canada) once.
00BBIfth eve hicle still does not start and the
3ODFH WKH .H\ LQ WKH 0DUNHG 6SDFH 6HH
2SHUDWRU
V 0DQXDO display message also
appears in the multifunction display: start
th eve hicle in emer gency operation mode.
Yo u can switchoff the engine while driving by
pressing button 1(USA) or 2(Canada) for
about thre e seconds. Be sure toobser vethe
saf etyno tes under "Driving instructions". St
arting theve hicle in emer gency operation
mode
If th eve hicle does not start and the3ODFH WKH
.H\ LQ WKH 0DUNHG 6SDFH 6HH 2SHUDWRU
V 0DQXDO
display message appears in the multifunction
displa y,yo u can start theve hicle in emer gency
operation mode.
00BBEnsure that mar ked space 2is em pty.
00BBRe mo veSmartK ey1 from theke yring.
00BBLay Smart Key1 in mar ked space 2.
The vehicle will start af ter a short while.
If yo ure mo veSmartK ey1 from mar ked
space 2,the engine starts again. For fur‐
th er vehicle starts, ho wever,SmartK ey1
132
Driving and pa rking

must be located in marked space 2during
th e entire journe y.
00BBHave SmartK ey1 checked at a qualified
specialist workshop.
If th eve hicle does not star t:
00BBLea veSmartK ey1 in mar ked space 2.
00BBDepress the brake pedal and start theve hicle
using thest art/ stop button.
00BBSt art theve hicle using thest art/ stop button.
00CE You can also switchon the po wer supp lyor
th e ignition with thest art/ stop button.
St arting theve hicle via Remo teOnline serv‐
ices
Cooling or heating theve hicle interior before
st arting a journey
00CE This function is not available in all countries.
If yo ustart theve hicle via your smartphone, the
pr ev iously selecte d air conditioning setting is
active. Ensure
thefo llowing before starting the engine:
RThe legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
RIt is safe tostart and runth e engine where
yo ur vehicle is par ked.
RThe fuel tank is suff icientlyfilled.
RThe star ter battery is suf ficiently charge d.
St arting theve hicle
0071
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work.
00BBAlw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work.
Re quirements:Rpark position 005Dis selected.
Rthe anti- theft alarm sy stem is not activated.
Rth e panic alarm is not activated.
Rthe hazard warning lights are switched off.
Rthe hood is closed.
Rthe doors are closed and loc ked.
Rthe windo wsand soft top are closed.
00BBSt art theve hicle using the smartphone:Rafte reve ryvehicle start, the engine runs for
te n minu tes.
Ryo u can car ryout a maximum of two consec‐
utive starting attem pts.
Ryo u can stop theve hicle again at any time.
Rfur ther information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work:
00BBSwitch on the hazard warning lights.
or
00BBUn lock the doors.
or
00BBOpen a side window or the soft top.
Driving and parking 13
3

Running-in no tes
To preser vethe engine during thefirs t
1, 000 miles (1,500 km):
Rdrive at varying road speeds and engine
speeds.
Rdrive in drive program Cor E.
Rchange gear before there v counter needle is
00C3 ofthewa yto there d area of there v coun‐
te r.
Rdo not shift down a gear manually in order to
brake.
Rav oid overstraining theve hicle, e.g. driving at
full thro ttle.
Rdo not depress the accelerator pedal past
th e pressure point (kickdown).
Ronly increase the engine speed gradually and
accelerate theve hicle tofull speed af ter
1, 000 miles (1,500 km).
This also applies when the engine or parts of the
driv etra in ha vebeen replaced. Please also obser
vethefo llowing running-in
no tes:
RIn cer tain driving and driving saf etysy stems,
th e sensors adjust automatically while a cer‐
ta in dis tance is driven af terth eve hicle has
been delivered or af terre pairs. Full sy stem
ef fectiveness is not achie ved until the end of
th is teach-in process.
RBrake pads, brake discs and tires that are
either new or ha vebeen replaced only ach‐
ie ve optimum braking ef fect and grip af ter
se veral hundred kilom eters of driving. Com‐
pensate forth ere duced braking ef fect by
applying greater fo
rc eto the brake pedal.
Note s on driving
0071
WARNING Risk of accident due to
objects in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tra vel or block a depressed pedal.
This jeopardizes the operating and road
saf etyof theve hicle.
00BBStow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll.
00BBAlw ays ins tallth efloor mats securely
and as prescribed in order toensure
th at there is alw ays suf ficient room for
th e pedals.
00BBDo not use loose floor mats and do not
place floor mats on top of one ano ther.
0071
WARNING Risk of accident due to
unsuit ablefoot we ar
Operation of the pedals may be restricted
due tounsuit ablefoot we ar such as:
RShoes with platfo rmsoles
RShoes with high heels
RSlippers
00BBWhen driving alw ayswe ar suitable
shoes in order tobe able tooperate the
pedals safel y.
134
Driving and pa rking

0071WARNING Risk of accident due tothe
ignition being switched off whilst the
ve hicle is in motion
If yo uswit choff the ignition whilst theve hi‐
cle is in motion saf ety-re leva nt functions will
be restricted or no longer available. This may
ef fect the po werst eering sy stem and brake
fo rc e boosting, forex ample.
Yo uwill need touse cons iderablymoreforc e
to steer and brake.
00BBDo not switch off the ignition whilst the
ve hicle is in motion.
0071
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases causes poisoning.
00BBNe ver lea vethe engine running in an
enclosed space wi thout suf ficient venti‐
lation.
0071 WARNING Risk of skidding and of an
accident due toshifting down on slippery
ro ad sur faces
If yo u shift do wnon slippery road sur faces to
inc rease the engine braking ef fect, the drive
wheels may lose traction.
00BBDo not shift down on slippery road sur‐
fa ces toinc rease the engine braking
ef fect.
0071
DANG ER Risk of fata l injury due topoi‐
sonous exhaust gases
If th eta ilpipe is bloc ked or suf ficient ventila‐
tion is not possible, poisonous exhaust gases
such as carbon monoxide may enter theve hi‐
cle. This is the case if theve hicle getsst uck
in snow ,fo rex ample.
00BBKe ep theta ilpipe and the area around
th eve hicle free from snow when the
engine or thest ationary heater are run‐
ning.
00BBOpen a window on the windward side of
th eve hicle toensure an adequate sup‐
ply of fresh air.
0071 WARNING Risk of accident and injury
due tobeing under the influence of alco‐
hol and drugs while driving
Driving when under the influence of alcohol
and/or drugs is an extreme lydangerous
combination. Even small quantities of alcohol
or drugs may af fect your reflexe s, perception
and judgment.
The probability of a serious or even fata l acci‐
dent greatly inc reases if you drive when
under the influence of alcohol or drugs.
00BBDo not drink alcohol or take drugs while
driving, and do not allow an yone to
drive who has been drinking alcohol or
ta king drugs.
Driving and pa rking 13
5

0071WARNING Risk of accident due tothe
brake sy stem overheating
If yo u lea veyour foot on the brake pedal
when driving, the brake sy stem may over‐
heat.
This increases the braking dis tance and the
brake sy stem may evenfa il.
00BBNe ver use the brake pedal as a foot re st.
00BBDo not depress the brake pedal and the
accelerator pedal at the same time
while driving.
0075 NO
TEWearing out the brake linings by
continuously dep ressing the brake pedal
00BBDo not depress the brake pedal contin‐
uously whilst driving.
00BBTo use the braking ef fect of the engine,
shift toa lo werge ar in good time.
0075 NO
TEDama getothe driv etra in and the
engine when pulling away
00BBDo not warm upthe engine when the
ve hicle is stationar y.Pull away immedi‐
atel y.
00BBAvoid high engine speeds and driving at
full thro ttle until the engine has reached
operating temp erature.
00BBDo not allow the wheels tospin.
0075 NO
TEDama getothe catalytic con verter
due tonon-combu sted fuel
The engine is not running smoot hly and is
misfiring.
Non-combus ted fuel may get into the cata‐
lytic con verter.
00BBOnly depress the accelera tor pedal
slightl y.
00BBHave the cause rectified immediately at
a qu alified specialist workshop.
Limited braking ef fect on salt-treate dro ads:
Rdue tosalt build-up on the brake discs and
brake lining, the braking dis tance can
increase conside rably or result in braking
only on one side.
Rmaintain a much greater safe dis tance tothe
ve hicle in front.
To preve nt salt build-up:
Rbrake occasionally while paying attention to
th e tra ffic conditions.
Rcarefully depress the brake pedal at the end
of the journey and when starting the next
journe y.
ECOstart/s top function
Opera ting the ECO start/s top function
The engine is au tomatically switched off if the
fo llowing conditions are me t:
RYoubr ake theve hicle toast andstill in trans‐
mission position 005Bor005C.
RAll vehicle conditions for an au tomatic
engine stop are met.
13 6
Driving and pa rking

The00D6 symbol appears in the multifunction
display when theve hicle is stationar y.
The engine is restar ted automatically if:
RYo ure lease the brake pedal in transmission
position 005Bwhen the HOLD function is not
active.
RYo u shift from transmission position 005D.
RYou enga getransmission position 005Bor005E.
RYoudepr essthe accelerator pedal
RYo uch ange theve hicle le vel.
RYo u open or close the soft top.
RAn automatic engine start is necessar y.
If th e engine was switched off bythe ECO start/
st op function and you lea vetheve hicle, a warn‐
ing tone sounds. The 9HKLFOH 2SHUDWLRQDO 6ZLWFK
WKH ,JQLWLRQ 2II %HIRUH ([LWLQJ displaymessage
also appears in the multifunction displa y.Ifyo u
do not switch off the ignition, the ignition is
automatically switched off af ter one minute. Deactivating or activating
the ECO start/
sto p function
00BBPress button 1.
If indicator la mp2lights up, the ECO start/
st op function is switched on.
00CE Depending on the model, the button may
also be located at a dif fere nt position in the
center console.
Fu nction of the ECO display
The ECO display summarizes the driving style
from thest art of the journey toits completion
and assists you in achieving the most economi‐
cal driving style.
Yo u can influence consum ption if you:
Rdrive wit h particular care
Rdriv eth eve hicle in drive program E
Robservethege arshift recommendations
The inner segment lights up green and the outer
segment fills up:
R1 Moderate acceleration
Driving and parking 13
7

R2Gentle deceleration and rolling
R3 Consis tent speed
The inner segment is gr eyand the outer seg‐
ment em pties:
R1 Sporty acceleration
R2Heavy braking
R3Fluctuations in speed
Yo u ha vedriven economically when:
Rtheth re e outer segments are comple tely fil‐
led simultaneousl y.
Rthe ECO display border lights up.
The additional range achiev ed as aresult of your
drivin gst yle in comparison toa driver with a
ve ry sporty driving style is shown under %RQXV
IU 6WDUW . Therange displ ayed does not indicate a
fi xe dre duction in consum ption.
DY NA MIC SELECT switch
Function of theDY NA MIC SELECT switch
Use theDY NA MIC SELECT switch tochange
between thefo llowing drive programs:
RI (Individual): individual settings
RS+ (Sport Plus): particularlysporty driving
st yle
RS (Sport): sporty driving style
RC (Comfort): comfortable and economical
driving style
RE (Eco): particular lyeconomical driving style
Depending on the drive program selected, the
fo llowing vehicle characteristics will change:
RDrive sy stem
-Engine and transmission management
-Ac tive Dis tance Assist DISTRONIC
RESP®
RVehicles with AIR BODY CONT ROL or
DY NA MIC BODY CONT ROL:chassis
RSteering
Selecting the drive prog ram
00BBPress DYNA MIC SELECT switch 1forw ards
or backwards.
The drive prog ram selected appears in the
multifunction displa y.
138
Driving and pa rking