2020 MERCEDES-BENZ E-CLASS CABRIOLET battery

AIRSCARF uses hea
ted air towa rm the head and
neck area of vehicle occupants. The warm air
fl ow s out of theve nts in the head restra ints. #
Press button 1repeatedly until the desired
heating le vel is set.
Depending on the heating le vel, up tothree
indicator lamps will light up. If all the indica‐
to r lamps are off, AIRSCARF is switched off. %
When switching on, the blo wer will start up
on lyafte r a preheating phase lasting a few
seconds.
Af ter switching off, the blo wer will continue
to runfo r a few seconds tocool down the
heating elements.
% Ifth eve hicle battery voltage is too lo w,AIR‐
SCARF may switch off. #
Adjusting the AIRSCARF vent (/ page 148).
Ma kesure that there are no objects co vering the
air intake on the back of the head restra int.
Make sure that objects do not enter the air inlet
and outlet grilles in the head restra ints. Ste
ering wheel Ad
justs the steering wheel mechanically &
WARNING Risk of accident due to
adjusting vehicle settings while theve hi‐
cle is in motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations in particular:
R Ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion.
R Ifyo ufast enyour seat belt while theve hi‐
cle is in motion. #
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel and the mir ror and fas‐
te nyo ur seat belt. &
WARNING Risk of entrapment forch il‐
dren when adjusting thesteering wheel
Children could injure themselves if they
adjust thesteering wheel. 108
Seats and stowing

5
L Low beam/high beam
6 R Switches there ar fog light on/off
When low beam is activated, the indicator lamp
fo rth est anding lights Twill be deactivated
and replaced bythe lo w-beam indicator lamp
L. #
Alw ays park your vehicle safely using suf fi‐
cient lighting, in acco rdance with there le‐
va nt le galst ipulations.
* NO
TEBattery discharging byoperating
th est anding lights Operating
thest anding lights over a period of
hours puts a stra in on the batter y. #
Where possible, switch on the
ri ght X or left Wparking light. In
theeve nt of se vere battery discharging, the
st anding lights or parking lights will be swit ched
off automatically tofacilitate the next engine
st art. The
exterior lighting (e xcept standing and park‐
ing lights) will swit choff automatically when the
driver's door is opened.
R Obser vethe no tes on sur round lighting
(/ page 130).
Au tomatic driving lights function
The standing lights, low beam and daytime run‐
ning lights are switched on au tomatically
depending on the ignition status and the light
conditions. &
WARNING Risk of accident when the
dipped beam is switched off in poor visi‐
bility
When the light switch is set toà ,the
dipped beam may not be switched on auto‐
matically if there is fog, snow or other causes
of poor visibility such as spr ay. #
In such cases, turn the light switch to
L . The automatic driving lights are only an aid.
Yo u
are responsible forve hicle lighting. Switching
there ar fog lights on or off
Re quirements:
R The light switch is in theL orà posi‐
tion. #
Press the R button.
Please obser vethe count ry-specific la wsonthe
use of rear fog lamps. Light and sight
12 3

Mir
rors Operates
the outside mir rors &
WARNING Risk of accident due to
adjusting vehicle settings while theve hi‐
cle is in motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations in particular:
R Ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion.
R Ifyo ufast enyour seat belt while theve hi‐
cle is in motion. #
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel and the mir ror and fas‐
te nyo ur seat belt. &
WARNING Risk of accident due tomis‐
judgement of dis tance when using the
outside mir ror
The outside mir rors reflect objects on a
smaller scale. The objects in view are in fact
closer than they appear. #
Therefore, alw ays look over your shoul‐
der in order toensure that you are
aw are of the actual dis tance between
yo u and thero ad users driving behind
yo u. Fo
lding the outside mir rors in/out #
Brief lypress button 1.
Re setting the outside mir rors
% Ifth e battery has been disconnected or com‐
ple tely discharged, the outside mir rors must
be reset. Only then will the automatic mir ror
fo lding function workproperly. #
Brief lypress button 1. 13 6
Light and sight

R
Ifth e outside temp erature changes, ventila‐
tion mode au tomatical lyswitches toheating
mode or heating mode automatically
switches toventilation mode.
The stationary heater and theex haust gas outlet
are situated at theright-hand front wheel.
Switching thest ationary heater/ventilation
on/off via the control panel &
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 in enclosed spaces or if
th eve hicle gets stuck in sn ow,fo rex ample. #
Alw ays switch thest ationary heater off
in enclosed spaces without an air
ex traction sy stems, e.g. in garage s. #
Keep theta ilpipe and the area around
th eve hicle free from snow when the
engine or thest ationary heater are run‐
ning. #
Open a window on the windward side of
th eve hicle toensure an adequate sup‐
ply of fresh air. &
WARNING Risk offire due tohot station‐
ary heater components and exhaust
ga ses
Flammable materials such as lea ves, grass or
twigs may ignite. #
When thest ationary heater is swit ched
on, make sure that:
R hot vehicle parts do not come into
contact with flammable materials.
R theex haust gas can flow out of the
st ationary heater exhaust pipe
unhindered.
R theex haust gas does not come into
contact with flammable materials. *
NO
TEBattery discharge caused bysta‐
tionary heater or stationary ventilation
operation Ope
rating thest ationary heater or stationary
ve ntilation drains the batter y. #
After heating or ventilating theve hicle
twice, drive for a longer period of time. Re
quirements:
R The fuel tank is filled toat least there ser ve
le ve l. #
Set the desired temp erature using thew
button. #
Press the& button.
The red or blue indicator lamp on the button
will light up or go out.
The colours of the indicator lamp ha vethefo l‐
lowing meaning:
R Blue: stationary ventilation is switched on.
R Red:thest ationary heater is swit ched on.
R Yello w: the departure time is preselected. 14 4
Climate cont rol

#
Todeactivate the departure time: select
th e desired departure time and press and
hold the^ button.
OFF will appear on the displa y. #
Tocheck thest atus of the active station‐
ary heater: briefly press theu button.
Switching off immediately #
Press and hold the^ button.
Overview of there mo tecont rol displa ys(sta‐
tiona ryheater/ventilation) 1
Stationary ventilation switched on
2 Stationary heater swit ched on 3
Selected departure time
4 Remaining time forth est ationary heater/
ve ntilation (in minu tes)
5 Stationary heater/ ventilation acti ve
6 Departure time acti vated
7 Signal stre ngth
Fu rther possible displa ys:
R Time: the activated departure time.
R Zero minutes: theru nning time forth est a‐
tionary heater is extended, as the engine has
not yetre ached operating temp erature when
it is star ted.
R OFF: thest ationary heater/ ventilation is
switched off.
Re placing the remo tecont rol bat tery (sta‐
tiona ryheater) &
DANG ER Serious damage tohealth
caused byswallowing batteries
Batteries contain toxic and cor rosive sub‐
st ances. Swallowing bat teries may cause
serious damage tohealth. There is a
risk of fata l injur y. #
Keep batteries out of there ach of chil‐
dren. #
If batteries are swallo wed, seek medical
attention immediately. +
ENVIRONMEN
TALNO TEEnvironmental
dama gedue toimproper disposal of bat‐
te ries Batteries conta
intoxic and cor ro‐
sive subs tances. #
Ta
ke dischar ged batteries to a
qu alified specialist workshop or to a
collection point for used batteries. Re
quirements:
R a CR2450 lithium battery 14 6
Climate cont rol

#
Push a pointed object into recess 1. #
Slide battery co ver2 backwards in the
direction of the ar row. #
Insert new battery 3with the lettering
fa cing up wards. #
Slide battery co ver2 inthe opposite direc‐
tion tothe ar row onto there mo tecontrol
until the battery co ver engages. Problems with
there mo tecont rolfo r the
st ationary heater/ventilation
FA IL¨
¨ appea rson there mo tecont rol dis‐
play
Po ssible cause:
R The signal transmission between the trans‐
mitter and there cei ver is malfunctioning. #
Change your position in relation totheve hi‐
cle, moving closer if necessar y.
FA IL appea rson there mo tecont rol display
Po ssible cause:
R The star ter battery is not suf ficiently
ch arge d. #
Char gethest ar ter batter y.
Po ssible cause:
R The fuel tank content is below there ser ve
fuel le vel. #
Refuel at the nearest filling station. FA
IL¯ ¯ appea rson there mo tecont rol dis‐
play
Po ssible cause:
R There is a malfunction in thest ationary
heater. #
Have thest ationary heater checked at a
qu alified specialist workshop. Air
vents Ad
justing the front air vents &
WARNING Risk of bu rns and frostbite
due tobeing too close tothe air vents
Ve ry hot or very cold air can flow from the air
ve nts. #
Makesure that all vehicle occupants
alw ays maintain a suf ficient di stance
from the air vents. #
If necessa ry, direct the air flow to
ano ther area of theve hicle interior. Climate control
147

#
Make sure that the mar ked space 2is
em pty. #
Remo vetheke y1 from theke yring. #
Place theke y1 inthe mar ked space 2.
The vehicle will start af ter a short time.
If yo ure mo vetheke y1 from the mar ked
space 2the engine continues running. For
fur ther vehicle starts ho wever,th eke y1
must be located in the mar ked space 2dur‐
ing the entire journe y. #
Have theke y1ch ecked at a qualified spe‐
cialist workshop. If
th eve hicle does not star t: #
place theke y1 inthe mar ked space 2
and lea veitth ere. #
Depress the brake pedal and start theve hi‐
cle 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
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 full.
R The star ter battery is suf ficiently charge d. Charging
thest ar ter battery be fore starting
th e jou rney
If th eve hicle battery is dischar ged, you can
re cei vea message on your smartphone. You can
th en start theve hicle with the smartphone to
ch arge the batter y.The vehicle is automatically
switched off af terte 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 full.
St arting theve hicle (Remo teOnline) &
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. Driving and pa
rking 15 3

The
12V battery may also be impaired or dam‐
aged byheavy discharging.
% Further information can be obtained at a
qu alified specialist workshop. St
andby mode (extension of the star ter bat‐
te ry 's period out of use) St
andby mode function
% This function is not available for all models.
If standby mode is activated, ene rgy loss will be
minimised during extended pe riods of non-oper‐
ation.
St andby mode is characterised bythefo llowing:
R thest ar ter battery is preser ved.
R the maximum non-operational time appears
in the media displa y.
R the connection toonline services is inter rup‐
te d.
R theAT A (anti-theft alarm sy stem) is not avail‐
able.
R the interior pr otection and tow- aw ay protec‐
tion functions are not available. R
the function for de tecting collisions on a
pa rked vehicle is not available.
If th efo llowing conditions are fulfilled, standby
mode can be activated or deactivated using the
multimedia sy stem:
R The engine is switched off.
R The ignition is switched on.
Exceeding theve hicle's displa yed non-opera‐
tional time may cause incon venience, i.e. it can‐
not be guaranteed that thest ar ter battery will
re liably start the engine.
The star ter battery must be charge dfirs t in the
fo llowing situations:
R The vehicle's non-operational time must be
ex tended.
R The Battery charge insufficient for standby
mode messa geappears in the media displa y.
% Standby mode is automatically deactivated
when the ignition is switched on.
Ac tivating/deactivating standby mode (park‐
ing up theve hicle)
Re quirements: R
The engine is switched off.
Multimedia sy stem:
4 © 5
Settings 5
Vehicle #
Activate or deacti vate Standby mode. #
Select Yes. Driving and driving saf
ety sy stems Driving sy
stems and your responsibility Yo
ur vehicle is equipped with driving sy stems
which assist you in driving, parking and manoeu‐
vring theve hicle. The driving sy stems are only
aids. They are not a substitute foryo ur attention
to the sur roundings and do not relie ve you of
yo ur responsibility per taining toroad traf fic la w.
The driver is alw aysre sponsible for maintaining
a safe dis tance totheve hicle in front, forve hicle
speed, for braking in good time and forst ay ing
in lane. Pay attention tothe tra ffic conditions at
all times and inter vene when necessa ry. Be
aw are of the limitations rega rding the safe use of
th ese sy stems. 18 0
Driving and pa rking