2021 MERCEDES-BENZ C-CLASS CABRIOLET warning light

Operating
the combination switch for the
lights 1
High beam
2 Turn signal light, right
3 Headlamp flashing
4 Turn signal light, left #
Use the combination switch toactivate the
desired function. Switching on high beam #
Turn the light switch totheL orÃ
position. #
Push the combination switch be yond the
point of resis tance in the direction of ar row
1 .
When the high beam is activated, the indica‐
to r lamp for low beam Lwill be deactiva‐
te d and replaced bythe indicator lamp for
high beam K.
Switching off high beam #
Movethe combination switch back toits
st arting position.
Headla mpflashing #
Pull the combination switch in the direction
of ar row3.
Tu rn signal light #
Toindicate briefl y:push the combination
switch briefly tothe point of resis tance in the
direction of ar row2or4.
The cor responding turn signal light will flash
th re e times. #
Toindicate permanentl y:push the combi‐
nation switch be yond the point of resis tance
in the direction of ar row2or4. Ac
tivating/deactivating the hazard warning
lights #
Press button 1. Light and sight
121

The hazard
warning lights will switch on auto‐
matically if:
R the airbag has been deplo yed.
R theve hicle is heavily braked from a speed of
more than 70 km/h toast andstill.
When you pull away again, the hazard warning
light sy stem will switch off automatically at
appr oximately 10km/h. You can also swit choff
th e hazard warning light sy stem using but‐
to n1. Ad
aptive functions, MULTIBEAM LED Intelligent Light Sy
stem function
The MULTIBEAM LED headlamps adapt tothe
driving and weather situation and pr ovide exten‐
ded functions for impr oved illumination of the
ro ad.
The sy stem comprises thefo llowing functions:
R Active headla mps (/ page122)
R Cornering light (/ page122)
R Motorw ay mode (/ page123)
R Enhanced fog light function (/ page123) R
Bad weather light (/ page124)
R City lighting ( /page 124)
Sy stem limits
R The sy stem is active only when it is dar k.
Ac tive headlamps function R
The headlamps follow thesteering mo ve‐
ments.
R Releva nt areas are better illumina ted during
a journe y.
The functions are active when the low beam is
switched on. Depending on
theve hicle's equipment, the
cou rse of the lane in which you are driving will
also be evaluated and the active headlamps
function will adjust the light in advance.
Cornering light function The cornering light impr
ovesth e illumination of
th e car riag ewa yove r a wide angle in the turning
direction, enabling better visibility on tight
bends, forex ample. It can be activated on ly
when the low beam is switched on. 12 2
Light and sight

Fu
nction of the bad weather light
The bad weather light reduces reflections in
ra iny conditions bydimming individual LEDs in
th e headlamps. This reduces glare forth e driver
and other road users.
The city lighting function
City lighting impr oves the illumination of road‐
sides in urban areas using a broad distribution of
light.
The function is active in thefo llowing cases:
R Atlow speeds
R In illuminated parts of urban areas
Switching the Intelligent Light Sy stem
on/off
Re quirements:
R The ignition is switched on.
Multimedia sy stem:
4 Vehicle 5
÷ Light settings
5 Intell. Light System #
Activate Oor deacti vate ª the function. Ad
aptive Highbeam Assist Plus Ad
aptive Highbeam Assist Plus function &
WARNING Risk of accident despi te
Ad aptive Highbeam Assist Plus
Ad aptive Highbeam Assist Plus does not
re act to:
R road users without lights, e.g. pedes‐
trians
R road users with poor lighting, e.g. cyclists
R road users whose lighting is obstructed,
e.g. bya bar rier
On very rare occasions, Adaptive Highbeam
Assist Plus may failto recognise other road
users with their own lighting, or may recog‐
nise them too late.
In these, or in similar situations, the auto‐
matic high beam will not be deactivated or
will be activated despite the presence of
ot her road users. #
Alw ays obser vethero ad and traf fic
conditions carefully and switch off the
high beam in good time. Ad
aptive Highbeam Assist Plus cannot take into
account road, weather or traf fic conditions.
De tection may be restricted in thefo llowing
cases:
R In poor visibilit y,e.g. fog, heavy rain or snow
R Ifth ere is dirt on the sensors or the sensors
are obscured
Ad aptive Highbeam Assist Plus is on lyan aid.
Yo u are responsible for adju sting theve hicle's
lighting tothe pr evailing light, visibility and traf‐
fi c conditions. 124
Light and sight

4
° Continuous wiping, slow
5 ¯ Continuous wiping, fast #
Turn the combination switch tothe cor re‐
sponding position 1-5. #
Single wipe/washing: pushthe button on
th e combination switch in the direction of
ar row 1.
R í Single wipe
R î Wiping with washer fluid Re
placing the windsc reen wiper blades &
WARNING Risk of becoming trapped if
th e windscreen wipers are switched on
while wiper blades are being replaced
If th e windscreen wipers begin tomo vewhile
yo u are changing the wiper blades, you can
be trapped bythe wiper arm. #
Alw ays switch off the windscreen wip‐
ers and ignition before changing the
wiper blades. Moving
the wiper arms into there placement
position #
Switch the ignition on and then off again
immediatel y. #
Within around 15seconds, press and hold
th eî button on the combination switch
fo r appro ximately thre e seconds
(/ page 127).
The wiper arms will mo veinto there place‐
ment position.
Re moving the wiper blades #
Foldthe wiper arms away from the wind‐
screen. #
Hold the wiper arm with one hand. With the
ot her hand, turn the wiper blade away from
th e wiper arm in the direction of ar row 1 as
fa r as it will go. #
Slide catch 2inthe direction of ar row 3
until it engages in there mo val position. #
Remo vethe wiper blade from the wiper arm
in the direction of ar row4. 12 8
Light and sight

%
The duration until the colour changes varies
depending on the usage conditions. Mir
rors Operating
the outside mir rors &
WARNING Risk of inju ryifve hicle set‐
tings are adjus ted while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in par‐
ticular in thefo llowing situations:
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, head restra ints, steering
wheel and mir ror in particular 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 0
Light and sight

Ad
justing the outside mir rors #
Press button 3or4 toselect the outside
mir rorto be adjus ted. #
Press button 2toadjust the position of the
mir rorgl ass.
Engaging the outside mir rors #
Vehicles without electrical lyfolding out‐
side mir rors: manually mo vethe outside
mir ror into the cor rect position. #
Vehicles with electrical lyfolding outside
mir rors:press and hold button 1.
Yo u will hear a click and the mir ror will audi‐
bly click into place. The outside mir ror will
now be set tothe cor rect position. Au
tomatic anti-dazzle mir rors function &
WARNING Risk of acid bu rns and poi‐
soning due tothe anti-dazzle mir ror elec‐
trolyte
Electrolyte may escape if theglass in an
automatic anti-dazzle mir ror breaks. The electrolyte is hazardous
tohealth and
causes ir rita tion. It mu stnot come into con‐
ta ct wi thyour skin, eyes,respiratory or gans
or clo thing or be swallo wed. #
Ifyo u come into contact with electro‐
ly te , obser vethefo llowing:
R Immediately rinse the electrolyte
from your skin with water and seek
medical attention.
R If electrolyte comes into contact
with your eyes, immediately rinse
th em thoroughly with clean water
and seek medical attention.
R Ifth e electrolyte is swallo wed,
immediately rinse your mouth out
th oroughl y.Do not induce vomiting.
Seek medical attention immediately.
R Immedia tely ch ange out of clo thing
which has been con taminated with
electrolyte.
R If an allergic reaction occurs, seek
medical attention immediatel y. The inside
rear-view mir ror and the outside mir‐
ro r on the driver's side will automatically go into
anti-dazzle mode if light from a headlamp hits
th e sensor on the inside rear-view mir ror.
Sy stem limits
The sy stem will not go into anti-dazzle mode if:
R The engine is switched off.
R Reversege ar is engaged.
R The interior lighting is swit ched on. Fr
ont-passenger outside mir ror parking posi‐
tion function The pa
rking position makes parking easier.
The front-passenger outside mir ror will swivel
down wards in the direction of there ar wheel on
th e front passenger's side when:
R the parking position is stored (/ page132).
R the front-passen ger mir ror is selected.
R reve rsege ar is engaged. Light and sight
131

Ensu
rethefo 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. #
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 light sy stem is 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.
Af tereve ryengine start, the engine runs for
te n minu tes.
Yo u can car ryout a maximum of two consecu‐
tive starting attem pts. Yo u must start theve hicle
once with theke y before trying tostart the
engine again with the smartphone. you can stop
th eve hicle again at any time.
% 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 light sy stem.
or #
unlock the doors.
or #
open a side window or the soft top. Ru
nning-in no tes To
preser vethe engine during thefirs t1, 500 km:
R Drive at varying road speeds and engine
speeds.
R Do not drive at speeds greater than
14 0 km/h.
R Drive theve hicle in drive program A
or ;.
R Shift tothe next highest gear at theve ry lat‐
est when the needle reaches the last third
before there d area in there v counter.
R Do not shift down a gear manually in order to
brake.
R Avoid overstraining 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. 14 0
Driving and pa rking

Ad
Blue ®
re fill canis ter4 can be remo ved
when it has been only partially em ptied. #
Unscr ew and close disposable hose 3and
Ad Blue ®
re fill canis ter4 inreve rse order. #
Replace AdBlue ®
filler cap 2and turn it
clockwise until it audibly engages. #
Close fuel filler flap 1. #
Swit chon the ignition for at least 60 sec‐
onds.
% Ifth e engine could not be star ted due tothe
Ad Blue ®
tan k being empty, it can take up to
60 seconds forth eto p up tobe de tected. #
Start theve hicle.
% Avoid storing AdBlue ®
re fill con tainers per‐
manently in theve hicle. Pa
rking Pa
rking theve hicle &
WARNING Risk of accident and inju ry
caused byan insuf ficiently secu redve hi‐
cle rolling away
If th eve hicle is not securely par ked suf fi‐
ciently, it can rollaw ay in an uncont rolled
wa yev en at a slight downhill gradient. #
On uphill or downhill gradients, turn the
front wheels so that theve hicle rolls
to wa rdsth eke rb if it starts moving. #
apply the parking brake. #
Switch the transmission toposition j. &
WARNING Risk offire caused byhot
ex haust sy stem parts
Flammable materials such as lea ves, grass or
twigs may ignite. #
Park theve hicle so that no flammable
material can come into con tact wi thhot
ve hicle components. #
In particular, do not park on dry grass‐
land or har vested grain fields. &
WARNING Risk of accident and inju ry
due toleaving children unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could, in pa rticular:
R open doors, thereby endangering other
persons or road users.
R get out and be stru ck byoncoming traf‐
fi c.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unat tended in the
ve hicle. Driving and parking
161