trailer MERCEDES-BENZ C-CLASS CABRIOLET 2021 User Guide

Wa
rnings may be inter rupte d when driving along‐
side long vehicles, forex ample lor ries, for a pro‐
longed time.
Blind Spot Assist is not operational when reve rse
ge ar is engaged.
Blind Spot Assist and theex itwa rning are not
operational when a trailer is coupled totheve hi‐
cle and the electrical connection has been cor‐
re ctly es tablished.
The exitwa rning may be limited in thefo llowing
situations:
R when the sensors are co veredby adjacent
ve hicles in nar rowparking spaces
R when people approach theve hicle
R intheeve nt of stationary or slowly moving
objects
Fu nction of brake application (Active Blind
Spot Assist)
If Ac tive Blind Spot Assi stdetects a risk of a side
impact in the monitoring range, a cou rse-cor‐
re cting brake application is car ried out. This is
designed tohelp youavo id a collision. The course-cor
recting brake application is availa‐
ble in the speed range between appr oximately
30 km/h and 200 km/h. &
WARNING Risk of accident despi te
brake application of Active Blind Spot
Assi st
A cou rse-co rrecting brake application cann ot
alw ays pr event a collision. #
Alw aysst eer, brake or accelera teyour‐
self, especially if Active Blind Spot
Assi stwa rnsyo u or makes a course-
co rrecting brake application. #
Alw ays maintain a safe dis tance at the
sides. If a course-cor
recting brake application occu rs,
th ere dwa rning lamp flashes in the outside mir‐
ro r and a warning tone sounds. In addition, a dis‐
pl ay 1 indicating the danger of a side collision
appears in the multifunction displa y.
In rare cases, the sy stem may make an inappro‐
priate brake application. This brake application
may be inter rupte d at any time if yousteer
slightly in the opposite direction or accelera te.
Sy stem limits
No tethe sy stem limitations of Active Blind Spot
Assi st;yo u may otherwise not recognise the
dangers (/ page195). Driving and parking
197

Either a cou
rse-co rrecting brake application
appropriate tothe driving situation, or none at
all, may occur in thefo llowing situations:
R Vehicles or obs tacles, e.g. crash ba rriers, are
located on bo thsides of your vehicle.
R Ave hicle approaches too closely on the side.
R You ha veadop ted a sporty driving style with
high cornering speeds.
R You brake or accelerate significantl y.
R A driving sa fety sy stem inter venes, e.g. ESP ®
or Active Brake Assi st.
R ESP ®
is deacti vated.
R A loss of tyre pressure or a defective tyre is
de tected.
R You are driving with a trailer and the electri‐
cal connection tothe trailer hitch has been
cor rectly es tablished. Ac
tivating/deactivating Blind Spot Assi stor
Ac tive Blind Spot Assi st
Multimedia sy stem:
4 Vehicle 5
k Assistance
5 Blind Spot Assist #
Activate Oor deacti vate ª the function. Ac
tive Lane Keeping Assist Fu
nction of Active Lane Keeping Assist
Ac tive Lane Keeping Assist monitors the area in
front of your vehicle bymeans of the multifunc‐
tion camera (/ page168). It se rves toprotect
yo u against unin tentionally le aving your lane.
Yo u will be warned byvibration pulses in the
st eering wheel and guided bya course-cor rect‐
ing brake application ba ckinto your lane.
Ac tive Lane Keeping Assist is available in the
speed range between 60 km/h and 200 km/h.
Ac tive Lane Keeping Assist can neither reduce
th erisk of an accident if youfa ilto adapt your
driving style nor override the la wsof ph ysics. It
cannot take into account road, weather or traf fic
conditions. Active Lane Keeping Assist is only an aid.
You are responsible for maintaining a safe
dis tance totheve hicle in front, forve hicle
speed, for braking in good time and forst ay ing
in lane. If a lane-cor
recting brake application occu rs, dis‐
play 1appears in the multifunction displa y.
The sy stem does not apply the brake if you acti‐
va te the turn signal indicator.
Ve hicles with Driving Assistance Package: if
th e sy stem de tects an obs tacle, su chas ano ther
ve hicle in the adjacent lane, it will apply the
brake rega rdless of the turn signal indicator. 19 8
Driving and pa rking

Yo
u are warned byvibrations in thesteering
wheel in thefo llowing circums tances:
R Active Lane Keeping Assist de tects a lane
marking.
R A front wheel drives over this lane marking.
Conditions for a course-cor recting brake
application (vehicles without Driving Assis‐
tance Package)
Lane markings weredetected on bo thsides of
th e lane. The front wheel drives over a continu‐
ous lane marking.
% A brake application may be inter rupte d at
any time if yousteer slightly in the opposite
direction.
Conditions for a course-cor recting brake
application (vehicles with Driving Assistance
Pa ckage)
R A continuous lane marking was de tected and
driven over with the front wheel.
R A lane marking and an approaching vehicle,
an overtaking vehicle or vehicles driving par‐
allel to yo urvehicle weredetected in the adjacent lane. The front wheel drives
over
th e lane marking.
% A brake application may be inter rupte d at
any time if yousteer slightly in the opposite
direction.
Sy stem limits
No lane-cor recting brake application occu rsin
th efo llowing situations:
R You clear lyand actively steer, brake or accel‐
erate.
R If a driving saf ety sy stem inter venes, su chas
ESP ®
,Ac tive Brake Assi stor Active Blind
Spot Assi st.
R You ha veadop ted a sporty driving style with
high cornering speeds or high rates of accel‐
eration.
R When ESP ®
is deactivated.
R When driving with a trailer, the electrical con‐
nection tothe trailer has been cor rectly
es tablished.
R If a loss of tyre pressure or a defective tyre is
de tected and displ ayed. If
yo u deactivate theAc tive Lane Keeping Assist
wa rning and the lane markings cann otbe clearly
de tected, it is possible that no lane-cor recting
brake application take s place (/ page 201).
The sy stem may be impaired or may not function
particular lyin thefo llowing situations:
R Ifth ere is poor visibility, e.g. due toinsuf fi‐
cient illumination of thero ad, if there are
highly variable shade conditions or in rain,
sno w,fog or heavy spr ay.
R Ifth ere is glare, e.g. from oncoming traf fic,
th e sun or reflections.
R Ifth e windscreen in the area of the multi‐
function camera is dirty, or if the camera is
mis ted up, damaged or co vered.
R Ifth ere are no lane markings, or se veral
unclear lane markings are present for one
lane, e.g. around roadwor ks.
R Ifth e lane markings are worn, dark or cov‐
ered.
R Ifth e dis tance totheve hicle in front is too
short and thus the lane markings cann otbe
de tected. Driving and pa
rking 19 9

R
The vehicle is not lo wered any fur ther if you
are tra velling at higher speeds.
B (Sport Plus)
R The suspension setting is evenfirm er.
R The vehicle is set tothe low le vel.
R The vehicle is not lo wered any fur ther if you
are tra velling at higher speeds.
% Operation with a trailer or bicycle rack:if
transport equipment, such as a trailer or a
bicycle rack , is attached tothe trailer hitch
and the electrical connection has been cor‐
re ctly es tablished, theve hicle remains at
normal le vel ir respective of speed or the
drive prog ram selected.
Setting theve hicle le vel &
WARNING Risk of accident because
ve hicle le vel is too high
Driving characteristics may be impaired.
The vehicle can drift outwards, forex ample,
when steering or cornering. #
Choose a vehicle le vel which is suited
to the driving style and thero ad sur face
conditions. &
WARNING Risk of entrapment from vehi‐
cle lo wering
When lo wering theve hicle, other people
could become trapped if their limbs are
between theve hicle body and the tyres or
underneath theve hicle. #
Make sure no one is underneath the
ve hicle or in the immediate vicinity of
th e wheel ar ches when theve hicle is
being lo wered. &
WARNING Risk of becoming trapped
due totheve hicle lo wering
Ve hicles with AIRMATIC or le vel control:
when you unload luggage or lea vetheve hi‐
cle, theve hicle firs trises slightly and then
re turns tothe set le vel shortly af terw ards. Yo
u or an yone else in the vicinity of the
wheel ar ches or the underbody could thus
become trapped.
The vehicle can also be lo wered af ter being
loc ked. #
When leaving theve hicle, make sure
th at nobody is in the vicinity of the
wheel ar ches or the underbody. *
NO
TEDama gedue tovehicle lo wering Pa
rts of the body could be damaged when
th eve hicle is lo wered. #
Make sure that there are no obs tacles
such as kerbs underneath or in the
immediate vicinity of the body when the
ve hicle is being lo wered. Re
quirements:
R The vehicle has been star ted.
R The vehicle must not be moving fasterthan
60 km/h. 202
Driving and parking

Ra
ising theve hicle #
Press button 1.
Indica tor lamp 2lights up.
The vehicle is set tothe high le vel.
Yo ur selection is sa ved. The
vehicle is lo wered again in thefo llowing sit‐
uations:
R When driving fasterthan 80 km/h.
R When driving between 60 km/h and
80 km/h for appro ximately thre e minutes.
R After selecting a drive program using the
DY NA MIC SELECT switch.
The vehicle is adjus tedto the height of the
active drive program.
Lo weri ngtheve hicle #
Press button 1.
Indica tor lamp 2goes out. The vehicle is
adjus tedto the height of the active drive pro‐
gram. Re
versing camera Fu
nction of there ve rsing camera
If yo u ha veactivated the function in the multime‐
dia sy stem, the image from there ve rsing camera
is shown in the media display when reve rsege ar
is engaged. Dynamic guide lines show the path
th eve hicle will take with the cur rent steering angle. This helps
youto orient yourself and to
avo id obs tacles when reve rsing.
The reve rsing camera is only an aid. It is not a
substitute foryo ur attention tothe sur roundings.
The responsibility for safe manoeuvring and
parking remains with you. Make sure that there
are no persons, animals or objects etc., in the
manoeuvring area while manoeuvring and park‐
ing.
The guide lines in the media display show the
dis tances to yourvehicle. The dis tances dis‐
pl ay ed only apply toroad le vel.
Yo u can select from thefo llowing vie ws:
R Normal view
R Wide-angle view
R Trailer view
The area behind theve hicle is displa yed as a
mir ror image, as in the inside rearview mir ror.
Ve hicles without Parking Assist PARKTRONIC
The following camera vie wsare available in the
multimedia sy stem: Driving and parking
203

Normal view
1 Yellow guide line, vehicle width (driven sur‐
fa ce) depending on the cur rent steering
angle (dynamic)
2 Yellow lanes marking the course the tyres
will take with the cur rent steering angle
(dynamic)
3 Yellow guide line at a dis tance of appr ox‐
imately 1.0 m from there ar area
4 Bumper
5 Red guide line at a dis tance of appr oximately
0.3 m from there ar area Wi
de-angle view Tr
ailer view (vehicles with a trailer hit chonly)
1 Yellow guide line, locating aid 2
Red guide line at a dis tance of appr oximately
0.3 m from the ball head of the trailer hitch
3 Ball head of the trailer hitch
Ve hicles with Parking Assist PARKTRONIC
The following camera vie wsare available in the
multimedia sy stem: Normal view
1 Yellow lanes marking the course the tyres
will take with the cur rent steering angle
(dynamic)
2 Yellow guide line, vehicle width (driven sur‐
fa ce) depending on the cur rent steering
angle (dynamic) 204
Driving and parking

3
Red guide line at a dis tance of appr oximately
0.3 m from there ar area
4 Yellow warning indicator of Parking Assist
PA RKTRONIC: obstacles at a dis tance
between appr oximately 0.6 m and 1.0 m
5 Redwa rning display of Parking Assist
PA RKTRONIC: obstacles are very close
(appr oximately 0.3 m or less)
6 Orange warning display of Parking Assist
PA RKTRONIC: obstacles are a medium dis‐
ta nce away (between appr oximately 0.3 m
and 0.6 m) Wi
de-angle view Tr
ailer view (vehicles with a trailer hit chonly)
1 Yellow guide line, locating aid
2 Red guide line at a dis tance of appr oximately
0.3 m from the ball head of the trailer hitch
3 Ball head of the trailer hitch
Sy stem failure
If th ere ve rsing camera is not ready for opera‐
tion, theq display appears in the media dis‐
pla y.
Sy stem limits
The reve rsing camera will not function or will
only partially function in thefo llowing situations:
R The boot lid is open. R
There is heavy rain, snow or fog.
R The light conditions are poor, e.g. at night.
R Cameras, or vehicle components in which
th e cameras are fitted, are dama ged, dirty or
co vered. Obser vethe information on vehicle
sensors and cameras (/ page168).
% Do not use there ve rsing camera in these
types of situations. You could otherwise
injure others or collide with objects when
parking theve hicle.
Fo rte ch nical reasons, thest andard height of the
ve hicle may be altered if theve hicle is car rying a
heavy load and can result in inaccuracies in the
guide lines and in the display of thege nerated
ima ges.
% The display contra stmay be impaire d dueto
incident sunlight or other light sources. In
th is case, pay particular attention.
% Have the display repaired or replaced if, for
ex ample, pixel er rors considerably restrict its
use. Driving and pa
rking 205

360° Camera
Fu
nction of the 360° Camera
The 360° Camera is a sy stem that consists of
fo ur cameras. The cameras co verth e immediate
ve hicle sur roundings. The sy stem assists you
when you are parking or at exits with reduced
visibility, forex ample.
The vie wsofthe 360° Camera are alw aysav aila‐
ble when driving forw ards up toa speed of
appr ox.16 km/h and when reve rsing.
The 360° Camera is only an aid. It is not a sub‐
st itute foryo ur attention tothe sur roundings.
The responsibility for safe manoeuvring and
parking remains with you. Make sure that there
are no persons, animals or objects etc., in the
manoeuvring area while manoeuvring and park‐
ing.
The sy stem evaluates images from thefo llowing
cameras:
R Reversing camera
R Front camera
R Two side cameras in the outside mir rors Vi
ew s of the 360° Camera
Yo u can select from dif fere nt vie ws: 1
Wide-angle vie w,front
2 Top view with image from the front camera
3 Top view with images from the side cameras
in the outside mir rors
4 Wide-angle vie w,rear
5 Top view with image from there ve rsing cam‐
era
6 Top view with trailer view (vehicles with a
trailer hitch) To
p view 1
Lane indicating thero ute theve hicle will
ta ke atthe cur rent steering wheel angle
2 Yellow warning display of Parking Assist
PA RKTRONIC: obstacles at a dis tance of
appr oximately 1.0 m or less
3 Your vehicle from abo ve
If th e dis tance tothe object lessens, the colour
of wa rning display 2changes. From a dis tance
of appr oximately 0.6 m thewa rning display is
shown in orange. From a dis tance of appr ox‐
imately 0.3 m thewa rning display is shown in
re d. 206
Driving and parking

When
Parking Assist PARKTRONIC is operational
and no object is de tected, the segments of the
wa rning display are shown in grey.
Guide lines 1
Yellow lane marking the course the tyres will
ta ke atthe cur rent steering wheel angle
(dynamic)
2 Yellow guide line, vehicle width (driven sur‐
fa ce) depending on the cur rent steering
wheel angle (dynamic)
3 Red guide line at a dis tance of appr oximately
0.3 m from there ar area
4 Mark at a distance of appr ox.1. 0 m %
When Active Parking Assist is active, the
lane markings are displa yed in green.
The guide lines show the dis tances to your
ve hicle. The dis tances only apply toroad
le ve l.
In trailer mode, the guide lines are shown at
th e le vel of the trailer hitch.
Tr ailer view (vehicles with a trailer hitch)
If yo u select trailer view and no trailer is coupled
to theve hicle, thefo llowing display appears: 1
Yellow guide line, locating aid
2 Red guide line at a dis tance of appr oximately
0.3 m from the ball head of the trailer hitch
3 Ball head of the trailer hitch When
the electrical connection is es tablished
between theve hicle and the trailer, the display
ch anges toside camera view 1.
This view supports manoeuvring procedures with
a trailer.
Side view of the mir ror cameras
The sides of theve hicle can be seen in this vie w. Driving and pa
rking 207

R
Red segments: obstacles at a very short
dis tance of appr ox. 0.3 m or less
Sy stem limits
Pa rking Assist PARKTRONIC does not necessa‐
ri ly take into account thefo llowing obs tacles:
R Obs tacles bel owthe de tection range, e.g.
pe rsons, animals or objects.
R Obs tacles ab oveth e de tection range, e.g.
ov erhanging loads, overhangs or loading
ra mp s of lor ries.
The sensors must be free of dirt, ice and slush.
Otherwise, they may not function cor rectly.
Clean the sensors regularly, taking care not to
scratch or damage them (/ page168).
Ve hicles with trailer hitch: Parking Assist
PA RKTRONIC is deacti vatedfo rth ere ar zone
when you es tablish an elect rical connection
between your vehicle and a trailer. Problems with
Parking Assist PARKTRONIC Example:
vehicles with 360° Camera
When rear segments 1or all-round segments
2 light up red and theé symbol appears in
th e multifunction displa y,Pa rking Assist
PA RKTRONIC may ha vebeen deactivated due to
signal inter fere nce. Start theve hicle again and
ch eck if Parking Assist PARKTRONIC is working
at a dif fere nt location. If a
warning tone also sounds for appro ximately
two seconds everytime theve hicle is star ted, it
may be due toone of thefo llowing causes:
R The sensors are dirty: cleanthe sensors
and obser vethe no tes on care of vehicle
parts (/ page 368).
R Parking Assist PARKTRONIC has been
deactivated due toa malfunction: restart
th eve hicle. If the problem persists, consult a
qu alified specialist workshop.
Fu nction of the passive side impact pr otec‐
tion
Pa ssive side impact pr otection is an additional
Pa rking Assist PARKTRONIC function which
wa rnsth e driver about obs tacles at the side of
th eve hicle. A warning is issued when obs tacles
are de tected between the front and rear de tec‐
tion range. In order for an object on the side to
be de tected, the sensors in the front and rear
bumper must firs t de tect the object while you
are driving past it.
During the parking procedure or manoeuvring,
objects are de tected as theve hicle drives past.
If yo usteer in the direction of a de tected obs ta‐ Driving and pa
rking 211