AUX MERCEDES-BENZ C-CLASS CABRIOLET 2021 Owners Manual

#
Toswitch on the po wer supp ly:press the
1 button once.
Yo u can, forex ample, activate the wind‐
screen wiper.
The po wer supp lyis switched off again if thefo l‐
lowing conditions are me t:
R You open the driver's door.
R You press but ton1 twice more. #
Toswitch on the ignition: pressthe1 but‐
to n twice.
Indicator and warning lamps appear in the
instrument clus ter.
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 and the transmission is in posi‐
tion jorthe electric parking brake is
applied.
R You press but ton1 once. St
arting theve hicle St
arting theve hicle with thest art/s top but‐
ton &
DANG ER Risk of death caused by
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and leads topoisoning. #
Never lea vethe engine or, if present,
th e auxiliary heating running in an
enclosed space wi thout suf ficient venti‐
lation. &
WARNING Risk offire due toflammable
material in the engine compartment or
th eex haust sy stem
Flammable materials may ignite. #
Therefore, check regularly that there
are no flammable materials in the
engine compartment or on theex haust
sy stem. Re
quirements:
R theke y is in theve hicle and is recognised. #
Shift the transmission toposition jori. #
Depress the brake pedal and press 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 dis‐
play message Place the key in the marked
space See Owner's Manual also appears in
th e multifunction display: start theve hicle
with theke y in the mar ked space (emer gency
operation mode) (/ page 139).
% You can swit choff the engine while driving.
By pressing button 1for about thre e sec‐
onds or bypressing button 1thre e times
within thre e seconds. Be sure toobser vethe
saf ety no tes under "Driving tips"
(/ page 142).
Obse rve any information rega rding display mes‐
sages that can be displa yed in the multifunction
displa y. 13 8
Driving and pa rking

#
After no more than five seconds, take your
left foot quickly off the brake, but keep the
accelerator pedal depressed.
The vehicle pulls away at maximum accelera‐
tion. #
Swit chon ESP ®
once the acceleration proce‐
dure is comple te.
Ending optimised acceleration #
Remo veyour foot from the accelerator pedal. #
Reactivate the ESP ®
.
% Afteryo u pull away with optimised accelera‐
tion, components of the driv etra in can
become very hot, which means that opti‐
mised acceleration values may be reached
again on lyafte r a few minutes. 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 tr avel 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 toincor‐
re ct foot we ar
Incor rect foot we ar includes, forex ample:
R shoes with plat form soles
R shoes with high heels
R slippers
There is a risk of an accident. #
Alw ayswe ar suitable foot we ar so that
yo u can operate the pedals safel y. &
WARNING Risk of accident if the ignition
is switched off while 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, forex ample.
Yo u will need touse considerably more force
to steer and brake, forex ample. #
Do not swit choff the ignition while driv‐
ing. &
DANG ER Risk of death caused by
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and leads topoisoning. #
Never lea vethe engine or, if present,
th e auxiliary heating running in an
enclosed space wi thout suf ficient venti‐
lation. 14 2
Driving and pa rking

#
Never lea vethe engine or, if present,
th e auxiliary heating running in an
enclosed space wi thout suf ficient venti‐
lation. &
WARNING Risk of inju rywhen opening
or closing a door with thega rage door
opener
When you operate or program the door with
th e integrated garage door opener, persons
in thera nge of mo vement of the door may
become trapped or be stru ck bythe door. #
Alw ays make sure that nobody is within
th era nge of mo vement of the door. Re
quirements:
R The vehicle has been par ked outside the
ga rage or outside thera nge of mo vement of
th e door.
R The engine is switched off.
R The ignition is switched on.
% The garage door opener function is alw ays
av ailable when the ignition is switched on. #
Press and hold button 1,2or3 that you
wish toprog ram.
Indicator lamp 4flashes yello w.
% It can take up to20 seconds before the indi‐
cator lamp flashes yello w. #
Release the pr eviously pressed button.
Indicator lamp 4continues toflash yello w. #
Point remo tecontrol 5from a di stance of
1 cm to8 cm towa rds button 1,2or3. #
Press and hold button 6ofremo tecontrol
5 until one of thefo llowing signals appears:
R Indicator lamp 4lights up green contin‐
uousl y.Programming is comple te.
R Indicator lamp 4flashes green. Pro‐
gramming was successful. Additionall y,
synchronisation of thero lling code with
th e door sy stem must also be car ried out. #
If indicator lamp 4does not light up or flash
green: repeat the procedure. #
Release all of the buttons.
% The remo tecontrol forth e door drive is not
included in the scope of delivery of the
ga rage door opener.
Synchronising thero lling code
Re quirements:
R The door sy stem uses a rolling code.
R The vehicle must be within range of the
ga rage door or door drive. Driving and parking
16 3

R
There is an Internet connection.
% Sear ching for a destination using 3 word
addresses is not possible in all countries.
Multimedia sy stem:
4 Navigation 5
ª Enter destination #
Select Online search. #
Ente rth e destination address as a 3 word
address. Separate each of thewo rds with a
full stop.
The sear chresults are displa yed. #
Select the destination in the list.
The destination address is shown. The route
can be calculated.
% 3wo rdaddresses from what3words are an
alternative addressing sy stem for multilin‐
gual georeferencing of global locations with
a re solution of thre e metres. Using this grid,
locations on the Ear th's sur face are included
whi chdo not ha vea building address such
as a stre et and house number, forex ample.
The Brandenburg Gate has this language
dependent 3 wordaddress:
R German: tapfer.ge bäude.verliehen R
Engl ish:that.lands.winning
R French: posteaux.bobineur.ombrant
3 wo rdaddresses are unique, easy to
re member and suf fice for most routine appli‐
cations.
Yo u can co nvertaddresses to3wo rd
addresses and back again:
R Atthewe bsite https://what3 words.com
R Inthe what3words apps
Selecting a destination on the map
Multimedia sy stem:
4 Navigation 5
Z Options #
Select Map menu.
or #
Ifth e map is displa yed in full screen mode,
press the cent ral control element.
The map menu appears. #
Select "mo vemap" in map menu 2
(/ page 289). #
Swipe in any direction on theTo uch Control
or touchpad. or #
Slide the controller in any direction.
The map mo ves in the cor responding direc‐
tion under the crosshair. The more you mo ve
yo ur finger away from thest arting position
on theto uchpad, thefast erthe map mo ves. #
Press theTo uch Control, the controller or the
to uchpad.
If se veral destinations are located around the
crosshair, a li stsho wstheav ailable POIs and
ro ads.
If a destination is located exact ly on the
crosshair, the destination address is dis‐
pla yed. #
Select the destination in the list.
The destination address is shown.
Setting the map orientation to2D or 3D #
Highlight Map orientation: 2D/3D. #
Press theTo uch Control, theto uchpad or the
controller.
The map will be displ ayed in the selected
map orientation. 276
Multimedia sy stem

Display messages
Possible causes/consequences and M
MSolutions
Auxiliary battery malfunc-
tion (white display mes‐
sage) *T
he auxiliary batteryforth e transmission is no longer being charge d. #
Consult a qualified specialist workshop. #
Untilthen, alw ays select park position jmanually before you swit choff the engine. #
Before leaving theve hicle, apply the electric parking brake.
Auxiliary battery malfunc-
tion (red display message) *T
he auxiliary batteryforth e transmission is no longer being charge d. #
Consult a qualified specialist workshop. #
Untilthen, alw ays select park position jmanually before you swit choff the engine. #
Before leaving theve hicle, apply the electric parking brake. Brakes
Display messages
Possible causes/consequences and M MSolutions
! Parking brake See Owner's
Manual *
The yellow ! indicator lamp is lit. The elect ric pa rking brake is malfunctioning.
To appl y: #
Switch the ignition off and switch it back on. #
Apply the electric parking brake manually (/ page166).
If it is not possible toapply the electric parking brake: #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 451