MERCEDES-BENZ E-CLASS CABRIOLET 2017 Owners Manual

Problems with
there mo tecont rolfo r the stationary heater/stationary ventilation Problem
Possible causes/consequences and M
MSolutions
FA IL¨ The signal transmission between
the transmit ter and theve hicle is faulty. #
Chan geyour position in relation totheve hicle, moving closer if necessar y.
FA IL Thestar ter battery is not suf ficiently charge d. #
Char gethest ar ter batter y.
The fuel tank content is below there ser vefuel le vel. #
Refuel at the nearest filling station.
FA IL¯ The
stationary heater is malfunctioning. #
Have thest ationary heater checked at a qualified specialist workshop. Air
vents Ad
justing the front air vents &
WARNING ‑ Risk of bu rns/frostbite due
to not maintaining a su fficient dis tance
to the air vents
Ve ry hot or very cold air can flow from the air
ve nts. This could
result in burns or frostbite in the
immediate vicinity of the air vents. #
Alw ays ensure that all vehicle occu‐
pants maintain a suf ficient di stance to
th e air vents. #
If necessa ry,re direct the air flow to
ano ther area of theve hicle interior. 13 8
Climate cont rol

#
Toopen or close: turnthe cent reofthe air
ve nt 1 tothe left or right as far as it will go. #
Toadjust the air direction: hold airvent 1
in the cent reand mo veit up or down or to
th e left or right.
Ad justing the rear air vents #
Toopen or close: turnthe cent reofthere ar
air vent 1 tothe left or right as far as it will
go. #
Toadjust the air direction: holdrear air
ve nt 1 inthe cent reand mo veit up or down
or tothe left or right. Opening/closing
the air vent in thegl ove box
* NO
TEDama geto te mperature-sensitive
objects in theglove box Te
mp erature-sensitive objects stored in the
gl ove box may be damaged bythe air vent
located inside theglove compa rtment. #
Close the air vent when you heat the
ve hicle. #
Athigh outside temp eratures, open the
air vent and switch on the A/C func‐
tion. Re
quirement:
R Automatic clima tecontrol is acti vated. 1
Airvent controller
2 Airvent #
Toopen or close: turn controller1tothe
left or right. Climate control
13 9

Ad
justing the AIRSCARF vents &
WARNING Risk of bu rns caused bythe
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. #
Turn the heating output down in good
time. *
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. #
Do 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 seat head
re stra int. #
You can adjust the blo wer output of AIR‐
SCARF vents 1using the AIRSCARF button
(→ page 97). #
Adjust the height of AIRSCARF vents 1and
th e cur rent of air byadjusting the height of
th e head restra int (→ page91). 14 0
Climate cont rol

Driving
Swit
ching on the po wer supp lyor ignition
using thest art/s top button &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R Open doo rs,th ereby endangering other
persons or road users.
R Get out of theve hicle and be hit by
oncoming traf fic.
R Ope rate ve hicle equipment.
Moreo ver,ch ildren could also set theve hicle
in motion by,fo rex ample:
R Releasing the parking brake.
R Shifting the transmission out of park
position j.
R Starting the engine. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tomobile phones if the
"Digital Car Key in the smartphone"
function is activated via the Mercedes
me connect web app. #
Keep theke ys out of there ach of chil‐
dren. This also applies tomobile
phones if the "Digital Car Key in the
smartphone" function is activated via
th e Mercedes me connect web app. &
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases causes poisoning. #
Never lea vethe engine running in an
enclosed space wi thout suf ficient venti‐
lation. &
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. #
Therefore, check regularly that there
are no flammable materials in the
engine compartment or on theex haust
sy stem. Re
quirements:
R The key is located in theve hicle and thekey
battery is not dischar ged.
R Or if the "Digital Car Key" function is activa‐
te d via the Mercedes me connect web app:
th e mobile phone is located in theve hicle. Driving and parking
141

#
Toswitch on the po wer supp ly:press but‐
to n1 once.
Yo u can activate the windscreen wiper, for
ex ample.
The po wer supp lyis switched off again if thefo l‐
lowing conditions are me t:
R The driver's door is open.
R You press but ton1 twice. #
Toswitch on the ignition: press button 1
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:
R You do not start theve hicle within
15 minutes.
R You press but ton1 once. St
arting theve hicle St
arting theve hicle with thest art/s top but‐
ton
Requ irements:
R The key is located in theve hicle and thekey
battery is not dischar ged.
R Or if the "Digital Car Key" function is activa‐
te d via the Mercedes me connect web app:
th e mobile phone is located in theve hicle. #
Shift the transmission toposition jori. #
Depress the brake pedal and push button 1
once. #
Ifth eve hicle does not star t:switch off non-
essential consumers and press button 1
once. #
Ifth eve hicle still does not start and the
Place the key in the marked space See Own-
er's Manual display message also appears in
th e multifunction display: start theve hicle in
emer gency operation mode.
Yo u can swit choff the engine while driving by
pressing button 1for about thre e seconds. Be
sure toobser vethe saf ety no tes under "Driving
instructions".
St arting theve hicle with a mobile phone
(NFC)
Re quirements:
R The vehicle is equipped with the "Digital Car
Ke y" function.
R The "Digital Car Key" function is activated via
th e Mercedes me connect web app: http://
www.mercedes.me.
R Suitable mobile phone with NFC aerial (Near
Field Communication) and Secure Element. 14 2
Driving and pa rking

R
Suf ficient charge leve l of the mobile
phone. On some mobile phones, the function
is also available when the battery is dis‐
ch arge d.
% You can check the suitability of your mobile
phone byentering the phone number at
http://www.mercedes.me.
Information about suitable mobile phones
can be obtained from your Mercedes-Benz
service centre or at http://www.mercedes-
benz.com/connect.
% Mercedes-Benz recommends that you car ry
th e emer gency key in case of function
re strictions.
% The function is only available in combination
with Mercedes me connect and on lyin cer‐
ta in countries.
% Protective cases around the mobile phone
can impair the functionality. #
Make sure that thech arge leve l of the mobile
phone is suf ficient. If necessar y,ch arge the
mobile phone before starting the journe y. St
arting theve hicle for the firs t time af ter
activating the function #
Make sure that there is a valid vehicle key in
th eve hicle. #
Place the mobile phone in stowage space 1
so that the NFC aerial areas touch each
ot her. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
% The key is not needed for any fur ther starts. Any fu
rther starts #
Place the mobile phone in stowage space 1
so that the NFC aerial areas touch each
ot her, and lea veitth ere while driving. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
The "Digital Car Key" service can be deacti vated
in Mercedes me connect at https://
www.me rcedes.me. The function is then deacti‐
va ted in the smartphone via an online connec‐
tion. If connection tothe Internet is not possible,
e.g. af terth e mobile phone has been stolen, the
ke y function can be deacti vated at a Mercedes-
Benz Service Centre.
St arting theve hicle in emer gency operation
mode
If th eve hicle cannot be star ted, thePlace the
key in the marked space See Owner's Man-
ualdisplay message appears in the multifunction
displa y. Driving and pa
rking 14 3

#
Make sure that mar ked space 2is em pty. #
Remo vekey1 from theke yring. #
Place key1 in mar ked space 2.
The vehicle will start af ter a short while.
If yo ure mo vekey1 from mar ked space 2
th e engine continues running. For fur ther
ve hicle starts ho wever,ke y1 must be loca‐
te d in mar ked space 2during the entire
journe y. #
Have key1 checked at a qualified specialist
wo rkshop.
If th eve hicle does not star t: #
Lea vekey1 in mar ked space 2. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
% You can also swit chon the po wer supp lyor
th e ignition with thest art/ stop button. Ru
nning-in no tes To
preser vethe engine during thefirs t1, 500 km:
R drive at varying road speeds and engine
speeds.
R drive in drive program Cor E.
R change gear before there v counter needle is
Ô ofthewa yto there d area of there v coun‐
te r.
R do not shift down a gear manually in order to
brake.
R avoidoverstra ining theve hicle, e.g. driving at
full thro ttle.
R do not depress the accelera tor pedal past
th e pressure point (kickdown).
R only increase the engine speed gradually and
accelera tetheve hicle tofull speed af ter
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:
R In cer tain driving and driving saf ety sy stems,
th e sensors adjust automatically while a cer‐
ta in dis tance is being driven af terth eve hicle
has been delivered or af terre pairs. Full sys‐
te m ef fectiveness is not achie ved until the
end of this teach-in process.
R Brake linings, brake discs and tyres that are
either new or ha vebeen replaced only ach‐
ie ve optimum braking ef fect and grip af ter
se veral hundred kilom etre s of driving. Com‐
pensate forth ere duced braking ef fect by
applying greaterfo rc eto the brake pedal. Driving tips
&
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. 14 4
Driving and pa rking

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. #
Ensure floor mats and carpets cannot
slip and pr ovide suf ficient room forthe
pedals. #
Do not lay multiple floor mats or car‐
pets on top of one ano ther. &
WARNING Risk of accident due to
unsuitable foot we ar
Operating the pedals may be impaired by
we aring unsuitable foot we ar, e.g.:
R plat form shoes
R high-heeled shoes
R slippers #
Alw ayswe ar suitable foot we ar when
driving so that you can operate the ped‐
als safel y. &
WARNING Risk of accident if the ignition
is switched off while driving
If yo u swit choff the ignition while driving,
functions releva nt tosaf ety are restricted or
no longer available. This may ef fect, for
ex ample, the po werst eering sy stem and the
brake forc e boosting.
Yo u will then need touse considerably more
fo rc eto steer and brake. #
Do not switch off the ignition while driv‐
ing. &
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases causes poisoning. #
Never lea vethe engine running in an
enclosed space wi thout suf ficient venti‐
lation. &
WARNING Risk of skidding and of an
accident due toshifting down on slippery
ro ad sur faces
If yo u shift down on slippery road sur faces to
inc rease the engine braking ef fect, the drive
wheels may lose traction. #
Do not shift down on slippery road sur‐
fa ces toinc rease the engine braking
ef fect. &
DANG ER Risk of fata l injuries 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, forex ample, if theve hi‐
cle is stuck in sn ow. #
When the engine or thest ationary
heater are running, keep theta ilpipe
and the area around theve hicle clear of
sno w. Driving and pa
rking 14 5

#
Open a window on the side of theve hi‐
cle facing the wind toensure an ade‐
qu ate supply of fresh air. &
WARNING 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. #
Never use the brake pedal as a foot re st. #
Do not depress the brake pedal and the
accelerator pedal at the same time
while driving. *
NO
TECausing wearto the brake linings
by permanently depressing the brake
pedal #
Do not permanently depress the brake
pedal while driving. #
Touse braking ef fect of the engine,
shift toa lo werge ar in good time. *
NO
TEDama getothe driv etra in and
engine when pulling away #
Do not warm upthe engine when sta‐
tionar y.Pull away immediatel y. #
Avoid high engine speeds and full thro t‐
tle until the engine has reached its
operating temp erature. #
Do not allow the wheels tospin. *
NO
TEDama getothe catalytic con verter
due tonon-combu sted fuel The engine is not
running smo othly and is
misfiring.
Non-combus ted fuel may get into the cata‐
lytic con verter. #
Only depress the accelera tor pedal
slightl y. #
Have the cause rectified immediately at
a qu alified specialist workshop. Limited braking ef
fect on salt-trea tedro ads:
R due 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.
R maintain a much greater dis tance totheve hi‐
cle in front.
To preve nt salt build-up:
R brake occasionally while paying attention to
th e tra ffic conditions.
R carefully depress the brake pedal at the end
of the journey and when starting the next
journe y. ECO
start/s top function Ope
ration of the ECO start/s top function
The engine is au tomatically switched off if the
fo llowing conditions are me t:
R Ifyo u brake theve hicle toast andstill in
transmission position hori.
R If all vehicle conditions for an auto matic
engine stop are met. 14 6
Driving and pa rking

The
è symbol appears in the multifunction
display when theve hicle is stationar y.If not all
th eve hicle conditions are met, theç symbol
appears in the multifunction displa y.
The engine is restar ted automatically if:
R Youre lease the brake pedal with the trans‐
mission in position hwhen the HOLD func‐
tion is not active.
R You shift from transmission position j.
R You en gage transmission position hork.
R You depress the accelerator pedal.
R Youch ange theve hicle le vel.
R You open or close the soft top.
R An 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 Vehicle is operational
Switch off the ignition before exiting display
messa gealso appears in the multifunction dis‐
pla y.Ifyo u do not swit choff the ignition, the
ignition is automatically switched off af ter one
minute. Switching
the ECO start/s top function
off/on #
Press button 1.
If indicator la mp2lights up, the ECO start/
st op function is switched on.
% Depending on the model, the button may
also be located at a dif fere nt position in the
centre console. ECO displ
ay The ECO display summarises
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:
R drive with particular care
R drive theve hicle in drive program E
R obser vethege arshift recommendations The inner segment lights up green and
the outer
segment fills up:
R 1 Moderate acceleration Driving and parking
147