warning light MERCEDES-BENZ C-CLASS CABRIOLET 2018 Owner's Manual

Ac
tivating/deactivating the hazard warning
lights 0007
Press button 1.
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
lights will switch off automatically at appr ox‐
imately 10km/h. You can also swit choff the
hazard warning lights using button 1. 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 (0013 page130)
R Cornering light (0013 page131)
R Motorw ay mode (0013 page131)
R Enhanced fog light function
(0013 page131)
R Adversewe ather light (0013 page132)
R City lighting (0013 page132)
Sy stem limitations
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
tra vel.
The functions are active when the dipped beam
is switched on.
Depending on theve hicle's equipment, the
cou rse of the lane in which you are driving is
also evaluated and the active headlamps func‐
tion adjusts the light in advance. 13 0
Light and sight

The function is not active under
thefo llowing
conditions:
R at speeds abo ve100 km/h af ter activation.
R when there ar fog light is switched off.
Fu nction of the ad versewe ather light
The adverse weather light reduces reflections in
ra iny conditions bydimming individual LEDs in
th e headlamps. This reduces theglare forthe
driver and other road users.
Fu nction of city lighting
City lighting impr ovesth e illumination of road‐
sides within built-up areas using a broader distri‐
bution of light.
The function is active:
R at low speeds
R in illuminated parts of built-up areas
Swit ching the Intelligent Light Sy stem
on/off
Requ irements:
R The ignition is switched on. Multimedia sy
stem:
0018 Vehicle 0019
÷ Light settings
0019 Intell. Light System 0007
Activate 0073or deacti vate 0053 the function. Ad
aptive Highbeam Assist Ad
aptive Highbeam Assist function 000A
WARNING Risk of accident despi te
Ad aptive Highbeam Assist
Ad aptive Highbeam Assist does not recog‐
nise thefo llowing road users:
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 may failto recognise other road users
with their own lighting, or may recognise
th em too late. In
this, or in similar situations, the automatic
main beam will not be deactivated or will be
activated despite the presence of other road
users. 0007
Alw ays obser vethe tra ffic carefully and
switch off the main beam in good time. Ad
aptive Highbeam Assist 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 is on lyan aid. You are
re sponsible for adju sting theve hicle's lighting to
th e pr evailing light, visibility and traf fic condi‐
tions. 13 2
Light and sight

The
Adaptive Highbeam Assist automatically
swit ches between thefo llowing types of light:
R Low beam
R High beam
At speeds abo ve30 km/h:
R If no other road users are de tected, the high
beam will be switched on automaticall y.The high beam switches off automatically in
the
fo llowing cases:
R Atspeeds below 25 km/h.
R Ifot her road users are de tected.
R Ifstre et lighting is suf ficient.
At speeds abo veappr oximately 50 km/h:
R The headlamp range of the low beam is regu‐
lated automatically based on the dis tance to
ot her road users.
The sy stem's optical sensor is located behind
th e windscreen near theov erhead control panel.
Switching Adaptive Highbeam Assist on/off 0007
Toswitch on: turnthe light switch tothe
0058 position. 0007
Switch on the main beam using the combina‐
tion switch.
When the main beam is switched on auto‐
matically in the dar k,the 00CE indicator
lamp on the multifunction display comes on. 0007
Toswitch off: switch offthe main beam
using the combination switch. Ad
aptive Highbeam Assist Plus Ad
aptive Highbeam Assist Plus function 000A
WARNING Risk of accident despi te
Ad aptive Highbeam Assist Plus
Ad aptive Highbeam Assist Plus does not rec‐
ognise thefo llowing road users:
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 that ha velights, or may recognise
th em too late.
In this, or in similar situations, the automatic
main beam will not be deactivated or will be
activated despite the presence of other road
users. Light and sight
13 3

004A
00AA Continuous wiping, slow
004B 00A9 Continuous wiping, fast 0007
Turn the combination switch tothe cor re‐
sponding position 0047-004B. 0007
Single wipe/washing: pushthe button on
th e combination switch in the direction of
ar row 1.
R 00D3 Single wipe
R 00D4 Wiping with washer fluid Re
placing the windsc reen wiper blades 000A
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. 0007
Alw ays switch off the windscreen wip‐
ers and ignition before changing the
wiper blades. Moving
the wiper arms tothech ange posi‐
tion 0007
Switch the ignition on and switch off again
immediatel y. 0007
Within around 15seconds, press button
00D4 onthe combination switch for appro x‐
ima tely thre e seconds (0013 page136).
The wiper arms will mo veinto thech ange
position.
Re moving the wiper blades 0007
Foldthe wiper arms away from the wind‐
screen. 0007
Hold the wiper arm with one hand. With the
ot her hand, turn the wiper blade in the direc‐
tion of ar row1away from the wiper arm as
fa r as it will go. 0007
Slide catch 2inthe direction of ar row 3
until it engages in there mo val position. 0007
Remo vethe wiper blade from the wiper arm
in the direction of ar row4. Light and sight
137

Fi
tting the wiper blades 0007
Inse rtthe new wiper blade into the wiper
arm in the direction of ar row1. 0007
Slide catch 2inthe direction of ar row 3
until it engages in the locking position. 0007
Make sure that the wiper blade sits cor rectly. 0007
Foldthe wiper arms back onto the wind‐
screen. 0007
Switch the ignition on. 0007
Press the00D4 button on the combination
switch (0013 page136).
The wiper arms will mo veinto the original
position.
Maintenance display 0007
Remo veprotective film 1 from the mainte‐
nance display on the tip of the newly fitted
wiper blades.
If th e colour of the maintenance display changes
from black to yellow, the wiper blades should be
re placed.
0009 The duration until the colour changes varies
depending on the usage conditions. Mir
rors Operating
the outside mir rors 000A
WARNING Risk of inju rythro ugh adjust‐
ing vehicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo 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 13 8
Light and sight

0007
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel or the mir ror and fasten
yo ur seat belt. 000A
WARNING Risk of accident due tomis‐
judgement of dis tances 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.
As a result, you may misjud gethe dis tance
between you and thero ad user driving
behind you, e.g. when changing lanes. 0007
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 0007
Brief lypress switch 1.
Re setting the outside mir rors
0009 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. 0007
Brief lypress switch 1. Ad
justing the outside mir rors 0007
Press button 3or4 toselect the outside
mir rorto be adjus ted. 0007
Press button 2toadjust the position of the
mir rorgl ass.
Engaging the outside mir rors 0007
Vehicles without electrical lyfolding out‐
side mir rors:manually mo vethe outside
mir ror into the cor rect position. 0007
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 engage in position. The outside mir ror is
set tothe cor rect position. Au
tomatic anti-dazzle mir rors function 000A
WARNING Risk of bu rns and poisoning
due tothe anti-dazzle mir ror electrolyte
Electrolyte may escape if theglass in an
automatic anti-dazzle mir ror breaks. Light and sight
13 9

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.
R the fuel tank is su fficiently filled.
R thest ar ter battery is suf ficiently charge d.
0009 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 000A
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. 0007
Alw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work. Re
quirements:
R park position 005Dis 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. 0007
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: 0007
switch on the hazard warning lights.
or 0007
unlock the doors. Driving and parking
151

Preparing
theAd Blue ®
re fill canis ter 0007
Screw onthefast ener of AdBlue ®
re fill canis‐
te r2. 0007
Screw disposable hose 1onto the opening
of Ad Blue ®
re fill canis ter2 until hand-tight. To
pping up AdBlue ® 0007
Screw disposable hose 1onto thefiller
neck of theve hicle until hand-tight. 0007
Lift up and tip AdBlue ®
re fill canis ter2.
The filling process stops when theAd Blue ®
ta nk is compl etely full.
Ad Blue ®
re fill canis ter2 can be remo ved
when it has been only partially em ptied. 0007
Unscr ew and close disposable hose 1and
Ad Blue ®
re fill canis ter2 inreve rse order. 0007
Replace theAd Blue ®
fuel filler cap and turn it
clockwise. 0007
Close the fuel filler flap. 0007
Swit chon the ignition for at least 60 sec‐
onds.
0009 Ifth eve hicle could not be star ted as the
Ad Blue ®
tan kwa s em pty, it can take up to
60 seconds forth ere fill to be de tected. 0007
Start theve hicle.
0009 Avoid storing AdBlue ®
re fill con tainers per‐
manently in theve hicle. Pa
rking Pa
rking theve hicle 000A
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. 0007
Ensure that the par kedve hicle is alw ays
properly secured against rolling away as
fo llo ws: Driving and pa
rking 17 3

Overview of driving sy
stems and driving
saf ety sy stems In
this section, you will find information about
th efo llowing driving sy stems and driving saf ety
sy stems:
R 360° Camera (0013 page 223)
R ABS (A nti-lock Braking System)
(0013 page184)
R Active Dis tance Assi stDISTRONIC
(0013 page 199)
R Adaptive brake lights (0013 page195)
R AIRMATIC (0013 page 213)
R Active Brake Assi st (0013 page189)
R Active Lane Keeping Assist (0013 page240)
R ATTENTION ASSIST (0013 page 233)
R BAS (Bra keAssist System) (0013 page185)
R Hill Start Assist (0013 page211)
R DYNA MIC BODY CONT ROL (0013 page213)
R EBD ( Electronic Brakeforce Distribution)
(0013 page188) R
ESP ®
(Electronic Stability Program)
(0013 page185)
R Active Speed Limit Assi st (0013 page 203)
R HOLD function (0013 page211)
R STEER CONTROL (0013 page 189)
R Active Steering Assist (0013 page 205)
R Speed limiter (0013 page196)
R Active Parking Assist (0013 page 227)
R Parking Assist PARKTRONIC
(0013 page216)
R Reversing camera (0013 page 220)
R Cruise control (0013 page195)
R Function of Blind Spot Assi stand Active Blind
Spot Assi stwith exitwa rning
(0013 page 237)
R Traf fic Sign Assi st (0013 page 235) Fu
nction of ABS (Anti-lock Braking Sy stem) ABS
regulates the brake pressure in critical driv‐
ing situations:
R During braking, e.g. at full brake application
or insuf ficient tyre traction, the wheels are
pr eve nted from lo cking.
R Vehicle steerability while braking is ensured.
If ABS inter venes when braking, you will feel a
pulsing in the brake pedal. The pulsating brake
pedal can be an indication of hazardous road
conditions and can ser veas a reminder totake
ex tra care while driving.
Sy stem limitations
R ABS is active from speeds of appr ox.
8 km/h.
R ABS may be impai red or may not function if a
malfunction has occur red and theye l‐
low 0025 ABSwarning lamp lights up contin‐
uously in the instrument clus ter af terthe
engine is star ted. 184
Driving and pa rking

Fu
nction of BAS (Brake Assist Sy stem) 000A
WARNING Risk of an accident caused by
a malfunction in BAS (Brake Assi stSys‐
te m)
If BA S is malfunctioning, the braking dis tance
in an emergency braking situation is
increased. 0007
Dep ress the brake pedal with full force
in emer gency braking situations. ABS
pr eve nts the wheels from locking. BA
S suppo rts yo ur eme rgency braking situation
with additional brake forc e.
If yo u depress the brake pedal quickl y,BA S is
acti vated:
R BAS au tomatical lyboosts the brake pres‐
sure.
R BAS can sho rten the braking dis tance.
R ABS pr events the wheels from locking.
The brakes will function as usual once you
re lease the brake pedal. BAS is deactivated. Fu
nction of ESP ®
(Electronic Stability Pro‐
gr am) 000A
WARNING Risk of skidding if ESP ®
is
malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ry
out vehicle stabilisation. In addition, other
driving saf ety sy stems are switched off. 0007
Drive on carefull y. 0007
Have ESP ®
ch ecked at a qualified spe‐
cialist workshop. 000A
WARNING Risk of skidding if ESP ®
is
deactivated
If yo u deactivate ESP ®
, ESP ®
cannot car ry
out vehicle stabilisation. 0007
ESP ®
should on lybe deactivated in the
fo llowing situations. Mercedes‑AMG
vehicles: always obser vethe
no tes in the Supplement. Otherwise, you may
fa ilto recognise dangers. ESP
®
can moni tor and impr ovedriving stability
and traction in thefo llowing situations, within
ph ysical limits:
R When pulling away on wet or slippe rycar ria‐
ge wa ys.
R When braking.
R Vehicles with trailer hitch: in trailer opera‐
tion from speeds of 65 km/h, if theve hicle/
trailer combination begins tosw ay from side
to side.
R Instro ng side winds when you are driving
fa ster than 80 km/h.
If th eve hicle deviates from the direction desired
by the driver, ESP ®
can stabilise theve hicle by
inter vening in thefo llowing ways:
R One or more wheels are braked.
R The engine output is adap ted according to
th e situation.
ESP ®
is deactivated if the00BB ESP®
OFF warn‐
ing lamp lights up continuously in the instrument
clus ter:
R Driving stability will no lon ger be impr oved. Driving and parking
18 5