2021 MERCEDES-BENZ C-CLASS CABRIOLET parking brake

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

The on-board computer is operated using
the
left-hand Touch Control and the left-hand back/
home button.
When the on-board computer is being operated,
dif fere nt acoustic signals will sound as operating
fe edbac k,e.g. when the end of a list is reached
or when you are sc rolling thro ugh a list.
The following menus are available:
R Service
R Assistance
R Trip
R Navigation
R Radio
R Media
R Telephone
R HUD
R Vehicles with an instrument display in
th e widescreen cockpit: Design
% You can find information about the possible
settings and selections on the menus in the
Digital Owner's Manual. #
Tocall up the menu bar: pressthe left-hand
back button until the menu bar is displa yed.
% Press theò button tocall up the menu
bar of the on-board computer. #
Toscroll on the menu bar: swipe left or
ri ght on the left-hand Touch Control. #
Tocall up a menu, submenu or possible
settings on the menu, or confirm a selec‐
tion or setting: pressthe left-hand Touch
Control. #
Toscroll through displa ysor lists on the
menu, or select display content, a func‐
tion, an entry or a displa y:swipe upwards
or down wards on the left-hand Touch Con‐
trol. #
Toswitch between displa ys:swipe
upwards or down wards on the left-hand
To uch Control. #
Toexit a submenu: pressthe left-hand back
button.
Fu ll-screen menus
Yo u can displ aythefo llowing menus full-screen
on the instrument display: R
Assistance
R Trip #
Onthe cor responding menu, use the left-
hand Touch Control toscroll tothe end of the
list. #
Press the left-hand Touch Control.
The selected menu will be displ ayed full-
screen. Overview of displa
yson the multifunction
display
Displa yson the multifunction display:
ë Active Parking Assist activated
(/ page 215)
é Parking Assist PARKTRONIC deacti vated
( / page 213)
¯ Cruise
control (/ page 176)
È Limi
ter (/ page177)
ç Active Dis tance Assi stDISTRONIC
(/ page 179)
æ Ac
tive Brake Assi st (/ page 193) In
stru ment display and on-board computer 229

The sy
stem update can be downloaded man‐
ually at a later time (/ page 266).
Yo u will be informed when the download is com‐
ple teand the sy stem update is ready for ins talla‐
tion.
% Park theve hicle safely in a suitable location
before starting the ins tallation.
Re quirements forth e ins tallation:
R The ignition is switched on.
R The engine is not running.
R Notes and warnings ha vebeen read and
accep ted.
R The parking brake is applied.
If all requirements are met, the sy stem update is
ins talled. The multimedia sy stem cann otbe
operated during the ins tallation and vehicle func‐
tions are restricted.
If er rors should occur during the ins tallation, the
multimedia sy stem automatically attem ptsto
re store the pr evious version. If restoration of the
pr ev ious version is not possible, a symbol
appears on the multimedia sy stem displa y.Con‐ sult a
qualified specialist workshop toresol ve
th e problem. Re
set function &
WARNING Risk of accidents due tofail‐
ure of multimedia display functions
While the multimedia sy stem is being reset,
its functions such as there ve rsing camera
are not available. #
Only re setthe multimedia sy stem when
th eve hicle is stationar y. Multimedia sy
stem:
4 System 5
Reset
Pe rsonal data is dele ted, forex ample:
R Station presets
R Connec ted mobile phones #
Select Yes.
If PIN pr otection is activated, a prom ptappears
asking if you also wish torestore this to thefa c‐
to ry settings during a reset. #
Select Yes. #
Enter the cur rent PIN.
The PIN is reset.
or #
Select No.
The cur rent PIN stay sth e same af terre set‐
ting.
% Ifyo u ha veforg ottenyo ur PIN, a Mercedes-
Benz service centre can deactivate the PIN
pr otection foryo u.
A prom ptappears again asking whe ther you
re ally wish toreset. #
Select Yes.
The multimedia sy stem is reset tothefa ctory
settings. Multimedia sy
stem 267

*
NO
TEDama gefrom auto matic braking If one of
thefo llowing functions is switched
on, theve hicle brakes automatically in cer‐
ta in situations:
R Active Brake Assi st
R Active Dis tance Assi stDISTRONIC
R HOLD function
R Active Parking Assist
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations: #
during towing #
in a car wash *
NO
TEDama gedue tounsuitable car
wa sh #
Before driving into a car wash make
sure that the car wash is suitable for
th eve hicle dimensions. #
Ensure there is suf ficient ground clear‐
ance between the underbody and the
guide rails of the car wash. #
Ensure that the clearance width of the
car wash, in particular the width of the
guide rails, is suf ficient. To
avo id damage to yourvehicle when using a
car wash, ensure thefo llowing beforehand:
R toavoid possible water ingress in theve hicle,
it is preferable touse car washes which allow
th e high-pressure pre-cleaning tobe deacti‐
va ted (specification forth e cabriolet pro‐
gram).
R avoid any hot-wax treatment.
R make sure that the wind deflector on the
windscreen has been retracted.
R Active Dis tance Assi stDISTRONIC is deacti‐
va ted.
R the HOLD function is switched off.
R the 360° Camera or there ve rsing camera is
switched off. R
the side windo wsand soft top are closed
comple tely.
R the blo werfo rth eve ntilation and heating is
switched off.
R the windscreen wiper switch is in position
g.
R theke y is at a minimum dis tance of 3 m
aw ay from theve hicle. Otherwise the boot lid
could open unintentionall y.
R for car washes with a con veyo r sy stem:
- neutral iis engaged.
- ifyo uwo uld like tolea vetheve hicle while
it is being washed, make sure theke y is
located in theve hicle. The park position
j isotherwise automatically engaged.
% If, af terth e car wash, youre mo vethewax
from the windscreen and wiper rubbers, this
will pr event smearing and reduce wiper
noise. Maintenance and care
363

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

If
th e indicator/warning lamps in the instrument
clus ter do not light up at low temp eratures, it is
ve ry likely that the dischar ged battery has fro‐
zen. In this case you may neither jump-s tart the
ve hicle nor charge the batter y.
The service life of a battery that has been
th awe d may be dramatically shor tened. The
st arting characteristics may be impaired, espe‐
cially at low temp eratures.
It is recommended that you ha veathaw ed bat‐
te ry checked at a qualified specialist workshop.
All vehicles
* NO
TEDama gecaused bynumerous or
ex tended attem ptsto start the engine Nume
rous or extended attem ptsto start the
engine may damage the catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extended attem pts
to start the engine. Obser
vethefo llowing points during starting
assis tance and when charging the battery:
R Only use undamaged jump lead/charging
cables with a suf ficient cross-section and
insula tedte rm inal clamps.
R Non- insulated parts of thete rm inal clamps
must not come into con tact wi thother me tal
parts while the jump lead/charging cable is
connected tothe battery/jump-s tart connec‐
tion point.
R The jump lead/charging cable must not
come into contact wi thany parts which may
mo vewhen the engine is running.
R Alw ays make sure that nei ther you nor the
battery is elect rostatically charge d.
R Keep away from fire and naked flames.
R Do not lean overth e batter y.
Obser vethe additional following points when
ch arging the battery:
R Only use battery charge rs tested and
appr oved for Mercedes-Benz.
R Read the battery charge r's operating instruc‐
tions before charging the batter y. Obser
vethe additional following points during
st arting assis tance:
R Starting assis tance may only be pr ovided
using vehicles, batteries or other jump start
devices with a nominal voltage of 12V.
R The vehicles must not touch.
R Vehicles with a petrol engine: jump-start
th eve hicle only when the engine and exhaust
sy stem are cold. St
arting assi stance and charging the12 V
battery Preparing
starting assi stance/charging #
Secure theve hicle byapplying the electric
parking brake. #
Automatic transmission: shiftthe trans‐
mission toposition j. #
Manual transmission: shiftthe transmis‐
sion toneutral. #
Switch off the ignition and all electrical con‐
sumers. #
Open the bonn et. 384
Breakdown assis tance