MERCEDES-BENZ E-CLASS CABRIOLET 2018 Owners Manual

#
Key not detected Place smartphone in charg-
ing bracket: place the mobile phone in the
mar ked space (→ page125).
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
tips".
St arting theve hicle with a Digital Vehicle
Key
Requ irements:
R one of thefo llowing versions of the Digital
Ve hicle Key is available:
- suitable mobile phone
- Digital Vehicle Keyst icker
R theve hicle is equipped with the "Digital Vehi‐
cle Key" function.
R the "Digital Vehicle Key" function is activated
via Mercedes me connec t:http://
www.mercedes.me.
R the mobile phone is suf ficiently charge 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 thera nge of functions. Using the Digital
Vehicle Keyfo r the first
time #
Deactivate theke y2 (→page 73). #
Place key2 in mar ked space 3. #
Place the mobile phone or Digital Vehicle Key
st icke r in the mar ked space 1. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
Any fur ther starts with th e DigitalVehicle
Key
The key is not needed for any fur ther starts. 15 8
Driving and pa rking

#
Place the mobile phone or Digital Vehicle Key
st icke r in the mar ked space 1. #
Depress the brake pedal and start theve hicle
using thest art/ stop button.
The "Digital Vehicle Key" service can be deacti‐
va ted in Mercedes me connect at http://
www.mercedes.me. The function is then deacti‐
va ted in the mobile phone via an online connec‐
tion. If connection tothe Internet is not possible,
e.g. af terth e mobile phone or the Digital Vehicle
Ke yst icke r has been stolen, theke 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 does not start and thePlace the
key in the marked space See Owner's Manual
message appears in the multifunction displa y,
yo u can start theve hicle in emer gency operation
mode. #
Makesure 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 time.
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 theke y1 checked at a qualified spe‐
cialist workshop. If
th eve hicle does not star t: #
place key1 in mar ked space 2and lea ve
it th ere. #
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. St
arting theve hicle via Remo teOnline serv‐
ices Cooling or heating
theve hicle interior before
commencing your journey
% This function is not available in all countries.
If yo ustart theve hicle via your smartphone, the
pr ev iously selec ted air conditioning adjustment
is active.
Ensure thefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked. Driving and parking
15 9

R
the fuel tank is su fficiently filled.
R thest ar ter battery is suf ficiently charge d.
% You can also set thete mp erature with your
smartphone. In form ation on Mercedes me
connect and other services: http://
www.mercedes.me
This function is not available for all models.
Charging the bat tery before commencing
yo ur journey
R Ifth eve hicle battery is discharged, you
re cei vea message on your smartphone.
R You can then start theve hicle with the
smartphone tocharge the batter y.
R The vehicle is automatically switched off
af te rte n minu tes.
Ensure thefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked.
R the fuel tank is su fficiently filled. St
arting theve hicle &
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. #
Alw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work. Re
quirements:
R park position jis selected.
R the anti- theft alarm sy stem is not activated.
R the panic alarm is not activated.
R the hazard warning lights are switched off.
R the bonn etis closed.
R the doors are closed and loc ked.
R the windo wsand soft top are closed. #
Start theve hicle using the smartphone: R
afte reve ryvehicle start, the engine runs for
te n minu tes.
R you can car ryout a maximum of two consec‐
utive starting attem pts. The vehicle must be
st ar ted once with theke y before trying to
st art theve hicle again with the smartphone.
R you can stop theve hicle again at any time.
R further information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work: #
switch on the hazard warning lights.
or #
unlock the doors.
or #
open a side window or the soft top. Ru
nning-in no tes Mercedes-AMG
vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers. 16 0
Driving and pa rking

To
preser vethe engine during thefirs t1, 500 km:
R drive at varying road speeds and engine
speeds.
R drive theve hicle in drive program A
or ;.
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
accelerate theve 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 sensor sy stem adjusts automatically
while a cer tain dis tance is driven af terthe
ve hicle has been delivered or af terre pairs.
Fu ll sy stem ef fectiveness is not achie ved
until the end of this teach-in process.
R brakepads, 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 greater forc eto the brake pedal. Note
s on driving &
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 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. #
Alw aysfit th efloor mats securely and
as prescribed in order toensure that
th ere is alw ays suf ficient room forthe
pedals. #
Do not use loose floor mats and do not
place floor mats 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. Driving and pa
rking 161

&
WARNING Risk of accident when switch‐
ing off the ignition when driving
If yo u swit choff the ignition while driving,
saf ety functions are restricted or no longer
av ailable. This may af fect the po werst eering
sy stem and the brake forc e boosting, for
ex ample.
Yo u will then need touse considerably more
fo rc eto steer and brake. #
Do not switch off the ignition while driv‐
ing. &
DANG ER Risk of fata l injuries due to
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and can lead topoisoning. #
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. #
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. 16 2
Driving and pa rking

#
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 while the
ve hicle is stationar y.Pull away immedi‐
atel y. #
Avoid high engine speeds and driving at
full thro ttle until the engine has reached
its operating temp erature. *
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 disks and
brakepads, the braking dis tance can increase
conside rably or result in braking only on one
side
R maintain a much greater safe dis tance tothe
ve hicle 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
journey ECO
start/s top function Ope
ration of the ECO start/s top function
Ve hicles without a 48 V on-board electrical
sy stem (EQ Boost technology)
Mercedes-AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers. The engine is switched off au
tomatically in the
fo llowing situations if all vehicle conditions for
an automatic engine stop are me t:
R you brake theve hicle toast andstill in trans‐
mission position hori.
if yo u swit chon the HOLD function or select a
dif fere nt transmission position than k, the
engine will automatically stop in thefo llowing
situations:
R youstop behind a vehicle that is pulling
aw ay.
R youstop at a stop sign when there is no vehi‐
cle in front of you.
R you turn thesteering wheel hard at a low
speed.
The engine is restar ted automatically if:
R youre lease the brake pedal in transmission
position hwhen the HOLD function is not
active.
R you en gage transmission position hork.
R you depress the accelerator pedal.
R you open or close the soft top. Driving and parking
16 3

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 and the engine is not restar ted.
The display message Vehicle is operational
Switch off the ignition before exiting also
appears in the multifunction displa y.Ifyo u do
not swit choff the ignition, the ignition is auto‐
matically switched off af terth re e minutes.
Ve hicles with a 48 V on-board electrical sys‐
te m (EQ Boo sttech nology)
The engine is switched off automatically in the
fo llowing situations if all vehicle conditions for
an automatic engine stop are me t:
R you brake theve hicle toast andstill in trans‐
mission position hori.
R you depress the brake pedal when tra velling
at a low speed. if
yo u swit chon the HOLD function or select a
dif fere nt transmission position than k, the
engine will automatically stop in thefo llowing
situations:
R youstop behind a vehicle that is pulling
aw ay.
R youstop at a stop sign when there is no vehi‐
cle in front of you.
R you turn thesteering wheel hard at a low
speed.
The engine is restar ted automatically if:
R youre lease the brake pedal in transmission
position hwhen the HOLD function is not
active and one of thefo llowing conditions are
me t:
- drive prog ram A or; is not selec‐
te d.
- drive program Aor; is selected
but the does not start tomo ve.
- drive prog ram A or; is selected,
th eve hicle is moving at a speed of more
th at 20 km/h and Glide mode is not acti‐
va ted. R
you en gage transmission position hork.
R youre lease the brake pedal, theve hicle is
not in Glide mode and it starts tomo veon a
ge ntle downhill gradient at a speed below
3 km/h.
R you depress the accelera tor pedal.
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 and the engine is not restar ted.
The display message Vehicle is operational
Switch off the ignition before exiting also
appears in the multifunction displa y.Ifyo u do
not swit choff the ignition, the ignition is auto‐
matically switched off af terth re e minutes. 16 4
Driving and pa rking

Deactivating or activating
the ECO start/
sto p function #
Press button 1.
If indicator la mp2lights up, the ECO start/
st op function is activated.
% Depending on the model and theve hicle
equipment, the button may also be located
at a dif fere nt position in the cent reconsole. ECO displ
ayfunction The ECO display summa
rises the driving charac‐
te rist ics from thest art of the journey toits com‐
pletion and assists you in achieving the most
economical driving style.
Yo u can influence consum ption if you:
R drive with particular care
R drive theve hicle in drive program ;.
R obser vethege arshift recommendations The inner segment lights up green and
the outer
segment fills up:
R 1 Moderate acceleration R
2 Gentle decele ration and rolling
R 3 Consis tent speed
The inner segment is gr eyand the outer seg‐
ment em pties:
R 1 Sporty acceleration
R 2 Heavy braking
R 3 Fluctuations in speed
Yo u ha vedriven economically when:
R theth re e outer segments are comple tely fil‐
led simultaneously
R the ECO display border lights up
The additional range achi eved as a result of your
driving style in comparison with a driver with a
ve ry sporty driving style is shown under Bonus
from start . Therange displ ayed does not indi‐
cate a fixe dre duction in consum ption. ECO Assist function
Ve
hicles with a 48 V on-board electrical sys‐
te m (EQ Boo sttech nology): Driving and parking
16 5

ECO Assi
stanal yses data forth eve hicle's expec‐
te dro ute. This allo wsthe sy stem tooptimally
adjust the driving style fo rth ero ute ahead, sa ve
fuel and recuperate. If the sy stem de tects an
eve nt ahead, e.g. a speed limit or a roundabout,
it will appear on the multifunction display 1.
The following symbols can be displa yed: Not all
events can be displa yed, depending on the
engine type. 1
Event ahead
2 Distance totheeve nt ahead
3 "Foot off the accelerator" prom pt
A di fferent number of segments 2will appear
around the symbol depending on the dis tance to
th eeve nt ahead:
R Few segments: theev ent ahead is near.
R Many segments: theev ent ahead is fur ther
aw ay.
When theve hicle nears theeve nt, ECO Assi st
will calculate the optimal speed for maximum
fuel economy and recuperati veenergy based on
th e dis tance, speed and downhill gradient. The Foot off the accelerator
messagewill appear on
th e multifunction displa y.Ifth e driver lifts off the
accelerator pedal in good time, there maining
segments on the display will turn green until the
eve nt shown is reached. The driv etra in will be
set for maximum fuel econom y.The vehicle will
coast, with the combustion engine switched off
if necessar y,and recuperate on its own using
th e electric mo tor.Re cuperation will charge the
batter y.
If th ere is no response totheFoot off the accel-
erator prompt,th e segments will remain white.
The event will be shown for a short time af ter it
has been passed.
If th eeve nt in volves a vehicle ahead and when
th e coast-down recommendation is given, all
segments will immediately turn green once there
is a response totheFoot off the accelerator
prom pt.
Fo rAc tive ECO Assi stin drive program ;,
symbol 3will appear on the multifunction dis‐
play and on the head-up display beside transmis‐
sion position h. Symbol3will also appear
when the assis tant displ ayis not selec ted. 16 6
Driving and pa rking

ECO Assi
stis active only in drive programs ;
and A.
Sy stem limitations
ECO Assist can function more precisely if the
ro ute is main tained when route guidance is
active. The basic function is also available with‐
out active route guidance. Notall information
and traf fic situations can be fore seen. The qual‐
ity depends on the map data.
ECO Assist is only an aid. The driver is responsi‐
ble forke eping a safe dis tance from theve hicle
in front, forve hicle speed and for braking in
good time. The driver must be ready tobrake at
all times ir respective of whe ther the sy stem
inter venes.
The sy stem may be impaired or may not function
in thefo llowing situations:
R Ifth ere is poor visibility, e.g. due toinsuf fi‐
cient illumination of thero ad, high lyvariable
shade conditions, rain, sno w,fog or heavy
spr ay.
R Ifth ere is glare, e.g. from oncoming traf fic,
di re ct sunlight or reflections. R
Ifth ere is dirt on the windscreen in the vicin‐
ity of the multifunction camera or the camera
is mis ted up, damaged or obscured.
R Ifth e traf fic signs are ha rdtodetect, e.g. due
to dirt or snow or insuf ficient lighting, or
because they are obscured.
R Ifth e information on the navigation sy stem's
digital map is incor rect or out of da te.
R Ifth e signs are ambiguous, e.g. traf fic signs
in roadwor ksor in adjacent lanes. Displaying ECO Assist
On-board computer:
Assistance #
Select ECO Assist. DY
NA MIC SELECT switch Fu
nction of theDY NA MIC SELECT switch Mercedes-AMG
vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers. Use
theDY NA MIC SELECT switch tochange
between thefo llowing drive programs:
R = (Individual): individual settings
R B (Sport Plus): particularly sporty driving
st yle
R C (Sport): sporty driving style
R A (Comfort): comfortable and economi‐
cal driving style
R ; (Eco): particular lyeconomical driving
st yle
Depending on the drive program selected, the
fo llowing vehicle characteristics will change:
R drive
- engine and transmission management
- Active Dis tance Assi stDISTRONIC
R ESP ®
R vehicles with AIR BODY CONT ROL or
DY NA MIC BODY CONT ROL:suspension
R steering Driving and parking
167