parking sensors MERCEDES-BENZ C-CLASS CABRIOLET 2021 User Guide

Sy
stem limits
The sy stem limits forPa rking Assist
PA RKTRONIC apply topassive side impact pro‐
te ction.
The following objects are not de tected, forex am‐
ple:
R Pedestrians who approach theve hicle from
th e side
R Objects placed next totheve hicle
Ac tivating/deactivating Parking Assist
PA RKTRONIC
* NO
TERisk of an accident from objects
at close range Pa
rking Assist PARKTRONIC may not de tect
cer tain objects at close range. #
When pa rking or manoeuvring theve hi‐
cle, pay particular attention toany
objects which are abo veor below the
sensors, e.g. flowe rpots or dr awbars.
The vehicle or other objects could oth‐
erwise be damaged. #
Press theé button in the cent reconsole.
If th e indicator lamp in theé button is not lit,
Pa rking Assist PARKTRONIC is active. If the indi‐
cator lamp is lit or theé symbol appears in
th e instrument clus ter,Pa rking Assist
PA RKTRONIC is not active.
% Parking Assist PARKTRONIC is automatical ly
activated when theve hicle is star ted.
Ad justing the warning tones of Parking
Assist PARKTRONIC
Multimedia sy stem:
4 Vehicle 5
k Assistance
5 Camera & Park. Assist 5
Set warning tone
Ad justing the volume of thewa rning tones #
Select Warning tone volume. #
Set a value.
Ad justing the pitch of the warning tones #
Select Warning tone pitch.
Set a value. Specifying
thest arting point for the warning
to nes
Yo u can specify whe ther thePa rking Assist
PA RKTRONIC warning tones should commence
when theve hicle is fur ther aw ay from an obs ta‐
cle. #
Select Warn early. #
Activate Oor deacti vate ª the function.
Ac tivating/deactivating audio fadeout
Yo u can specify whe ther thevo lume of a media
source in the multimedia sy stem is tobe
re duced when Parking Assist PARKTRONIC gives
an audible warning. #
Select Audio fadeout during warning tones . #
Activate Oor deacti vate ª the function. Ac
tive Parking Assist Fu
nction of Active Parking Assist
% The availability of this function is dependent
on the count ry.
Ac tive Parking Assist is an elect ronic pa rking
assis tance sy stem, which uses ultrasound with Driving and parking
213

th
e assis tance of there ve rsing camera and 360°
Camera. When you are driving forw ards up to
appr oximately 35 km/h, the sy stem automati‐
cally measures parking spaces on bo thsides of
th eve hicle.
As soon as all requ irements are met for sear ch‐
ing for parking spaces, theÇ display appears
in the multifunction displa y.
When Active Parking Assist has de tected pa rking
spaces, theÈ display appears in the multi‐
function displa y.The ar rowsshow on which side
of thero ad de tected pa rking spaces are located.
They are then shown in the media displa y.
The parking space can be selected as desired.
Depending on the location of the parking space,
th e parking direction (rear wards or forw ards)
can also be selec ted as desired.
When Active Parking Assist is activated, the turn
signal indicators are activated based on the cal‐
culated path of your vehicle.
When you are en tering or exiting a parking
space, the procedure is assis tedby acceleration,
braking, steering and gear changes. Ac
tive Parking Assist 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 no
persons, animals or objects etc. are in the
manoeuvring range.
Ac tive Parking Assist will be cancelled in thefo l‐
lowing situations:
R Parking Assist PARKTRONIC is deacti vated.
R You begin steering.
R You apply the parking brake.
R You en gage transmission position j.
R ESP ®
inter venes.
R You open the doors or the boot lid while driv‐
ing.
Sy stem limits
If th eex terior lighting is malfunctioning, Active
Pa rking Assist is not available.
Objects located abo veor below the de tection
ra nge of the sensors, e.g. overhanging loads,
ov erhangs or loading ramp s of goods vehicles, or
th e borders of parking spaces, are not de tected
du ring measu rement of the parking space. These are also
then not take n into account when calcu‐
lating the parking procedure. In some circum‐
st ances, Active Parking Assist may therefore
guide you into the parking space incor rectl y. &
WARNING Risk of accident due to
objects located abo veor below the
de tection range of Active Parking Assist
If th ere are objects abo veor below the
de tection range, thefo llowing situations may
arise:
R Active Parking Assist may steer too early.
R The vehicle may not stop in front of these
objects.
This could cause a collision. #
Inthese situations, do not use Active
Pa rking Assist. Extreme
weather conditions, such as sn owor
heavy rain, may lead toa parking space being
measured inaccuratel y.Pa rking spaces that are
partial ly occupied bytrailer dr awbars might not
be identified as such or be measured inco rrectly. 214
Driving and pa rking

ished, take control of the vehicle.
message
prom ptyouto tak e control of theve hicle.
The vehicle is not automatically braked and can
ro llaw ay.Yo u ha vetoaccelerate, brake, steer
and change gear yourself again. Manoeuv
ring assistant Fu
nction of Drive Away Assist
Drive AwayAssi stcan reduce the se verity of an
impact when pulling away. If an obs tacle is
de tected in the direction of tr avel, theve hicle's
speed is brief lyreduced toappr ox. 2 km/h. If a
critical situation is de tected, theÈ symbol
appears in the media displa y.
% You can cancel an inter vention byDrive
Aw ayAssi stat any time bydeactivating
Pa rking Assist PARKTRONIC (/ page213). &
WARNING Risk of accident caused by
limited de tection per form ance of Drive
Aw ayAssi st
Drive AwayAssi stcannot al ways clearly iden‐
tify objects and traf fic situations. #
Alw ays pay careful attention tothe traf‐
fi c situation; do not rely on Drive Away
Assi stalone. #
Be prepared tobrake or swer veas nec‐
essar y,prov ided the tra ffic situation
permits and that it is safe totake eva‐
sive action. Drive
AwayAssi stis 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 no
persons, animals or objects etc. are in the
manoeuvring range.
A risk of a collision may arise in thefo llowing sit‐
uations, forex ample:
R Ifth e accelera tor and brake pedals are inter‐
ch anged.
R If an incor rect transmission position is
engaged.
Drive AwayAssi stis active under thefo llowing
conditions:
R IfPa rking Assist PARKTRONIC is activated. R
Ifyo u shift the transmission position tok or
h when theve hicle is stationar y.
R Ifth e de tected obs tacle is less than appr ox.
1. 0 m away.
R Ifth e manoeuvring assis tance function is
acti vated in the multimedia sy stem.
Sy stem limits
The per form ance of Drive AwayAssi stis limited
on inclines.
When driving with a trailer, Drive AwayAssi stis
not available.
% Also obse rveth e sy stem limits of Parking
Assist PARKTRONIC (/ page210).
Fu nction of Cross Traf fic Alert
% Cross Traf fic Alert is only available forve hi‐
cles with Blind Spot Assist or Active Blind
Spot Assi st.
Cross Traf fic Alert can warndrivers of any cross‐
ing tra ffic when reve rsing and manoeuvring out
of a parking space. The radar sensors in the
bumper also monitor the area adjacent tothe
ve hicle. If a critical situation is de tected, the 218
Driving and pa rking

L
symbol appears inthe media display and
th eve hicle can be braked automatically.
If th era dar sensors are obstructed byvehicles
or other objects, de tection is not possible.
Cross Traf fic Alert is acti veunder thefo llowing
conditions:
R ifth eve hicle is reve rsing at a walking pace.
R manoeuvring assis tance is acti vated
( / page 219).
% Also obse rveth e instructions on Blind Spot
Assist and Active Blind Spot Assi st
( / page 195).
Sy stem limits
Cross Traf fic Alert is not available on inclines.
Cross Traf fic Alert is not available when driving
with a trailer. Ac
tivating or deactivating manoeuv ring
assistant
Multimedia sy stem:
4 Vehicle 5
k Assistance
5 Camera & Park. Assist
5 Manoeuvring assist. #
Activate Oor deacti vate ª the function.
% Manoeuvring assis tance mu stbe active for
th e function of Drive AwayAssi st
( / page 218) and Cross Traf fic Alert
(/ page 218). Tr
ailer hitch Note
s on trailer operation *
NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. Obser
vethefo llowing no tes on theto ngue
we ight:
R Do not use a tongue weight that exceeds or
fa lls below the permissible tongue weight
R Use a tongue weight as close as possible to
th e maximum tongue weight
Do not exceed thefo llowing values:
R Perm issible towing capacity
R Perm issible rear axle load of theto wing vehi‐
cle
R Perm issible gross weight of theto wing vehi‐
cle
R Perm issible grossweight of the trailer
R Maximum permissible speed of the trailer
Ensure thefo llowing before starting a journey:
R The tyre pressure on there ar axle of theto w‐
ing vehicle is set for a maximum load
R The lighting of the connected trailer is opera‐
tional Driving and parking
219

minutes af
ter cleaning before parking it. The
brake disks and brakepads warm up and dry
out.
Wi ndo ws
R Clean the windo wsinside and outside with a
damp clo thand with a cleaning agent recom‐
mended for Mercedes-Benz.
R Do not use dry clo ths or abrasive or sol vent-
based cleaning agents toclean the inside of
windo ws.
% Remo veextern al fogging or dirt on the wind‐
screen in front of the multifunction camera.
Otherwise, driving sy stems and driving
saf ety sy stems may be impaired or not avail‐
able (/ page168).
Wi per blades
R Movethe wiper arms into there placement
position (/ page128).
R With th e wiper arms folded out, clean the
wiper blades with a damp clo th.
R Do not clean the wiper blades too of ten. Ex
terior lighting
R Clean the lenses with a wet sponge and mild
cleaning agent, e.g. car sha mpoo.
R Only use cleaning agents or cleaning clo ths
th at are suitable for plast ic lenses.
Sensors
R Clean the sensors in the front and rear
bumpers with a soft clo thand car shampoo
(/ page 168).
R When using a high-pressu recleane r,maintain
a minimum dis tance of 30 cm.
Re versing camera and 360° Camera
R Open the camera co ver with the multimedia
sy stem (/ page 209).
R Use clean water and a soft clo thtoclean the
came ralens.
R Do not use a high-pressure cleaner.
Ta ilpipes
R Clean with a cleaning agent recommended
fo r Mercedes-Benz, especial lyin the winter
and af terwa shing theve hicle.
R Do not use acidic cleaning agents. Tr
ailer hitch
R Obse rveth e no tes on care in the trailer hitch
manufacturer's operating instructions.
R Do not clean the ball neck with a high-pres‐
sure cleaner or solvent.
R Remo vetraces of rust on the ball, forex am‐
ple, with a wire brush.
R Remo vedirt with a lint-free clo th.
R After cleaning, lightly oil or grease the ball
head.
% Before using trailers with anti- torsional cou‐
pling, obser vethe manufacturer's operating
instructions. Note
s on care of the interior &
WARNING Risk of inju ryfrom pla stic
parts breaking off af terth e use of sol‐
ve nt-based care products
Ca reand cleaning products con taining sol‐
ve nts can cause su rfaces in the cockpit to
become porous. When the airbags are
deplo yed, plastic parts may break away. Maintenance and care
369

Display messages
Possible causes/consequences and M
MSolutions
É Vehicle rising *Y
our vehicle is adjusting tothe le velyo u ha veselected.
É Vehicle rising Please wait *T
hevehicle le vel is too lo w.The vehicle will be raised tothe selected vehicle le vel. #
Wait until the display message disappears before pulling away.
É Please reduce speed *Y
ou are driving toofast forth e selected vehicle le vel. #
Toadjust theve hicle le vel,yo u must not drive at speeds greaterth an 60 km/h. #
Toadjust theve hicle le vel during trailer operation, you must not drive at speeds greaterth an 30 km/h.
Parking Assist Manoeu-
vring assistance limited
See Owner's Manual *T
heParking Assist manoeuvring assis tant is temp orarily una vailable or only partially available. #
Clean all sensors of the parking and camera sy stem (/ page 368). #
Ifth e display message still appears, consult a qualified specialist workshop.
Parking Assist and
PARKTRONIC inoperative
See Owner's Manual *
Ve hicles with Active Parking Assis t:Ac tive Parking Assist and Parking Assist PARKTRONIC are malfunctioning.
Ve hicles without Active Parking Assis t:Pa rking Assist PARKTRONIC is malfunctioning. #
Stop theve hicle in accordance with the tra ffic conditions and restart the engine. 466
Display messages and warning/indicator lamps

Tr
af fic Sign Assi stCamera view
re stricted See Owner's Manual.............. 461
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ........................ 460
Tr af fic Sign Assi stinope rative ................ 461
Tr ansmission Malfunction Stop............. 450
Ty re press. monitor cur rently una vail‐
able ...................................................... .475
Ty re press. monitor inoperative.............4 75
Ty re press. monitor inoperative No
wheel sensors ........................................ 476
Ty re pressure Check tyres .....................479
Ty re(s) ove rheated................................. 478
Wi thout changing gear, consult work‐
shop......................................................4 50
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
DI STRO NIC
see Active Dis tance Assi stDISTRONIC Door
Additional door loc k................................ 75
Locking/unlocking (emergency key)....... 79
Opening (from inside ).............................. 76
Un locking (from inside)............................ 76
Door cont rol panel....................................... 16
Draught stop
Car e...................................................... .367
Dr aw bar
see Tow- bar sy stem
Drive Away Assist ...................................... 218
Drive Away Assist
see Pr otection against collision
Drive position Enga ging................................................1 52
Drive prog ram display ............................... 14 9
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving abroad Light adjustment (low beam)..................1 19Driving saf
ety sy stem
ABS (Anti-lock Braking Sy stem).............1 70
Ac tive Brake Assi st................................ 189
Ad aptive brake lights............................. 174
BA S (Brake Assi stSystem).................... 17 0
Cameras............................................... .168
EBD (Electronic Brake forc e Distribu‐
tion).......................................................1 72
ESP ®
Crosswind Assi st.......................... 171
ESP ®
trailer stabilisation........................ 172
Overview............................................... 16 9
Ra dar and ultrasonic sensor s................ 16 8
Re sponsibility........................................1 68
ST EER CONTROL................................... 172
Driving sy stem
DY NA MIC BODY CONTROL.................... 201
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist Index
513