2018 MERCEDES-BENZ C-CLASS CABRIOLET warning

Coupling up a trailer
000E NO
TEDama getotheve hicle battery due
to full discharge Charging
the trailer battery using the po wer
supply of the trailer can damage theve hicle
batter y. 0007
Do not use theve hicle's po wer supply
to charge the trailer batter y.0007
Remo vethe co ver from the ball head and
st ore it in a safe place (0013 page114). 0007
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. 0007
Open the soc ket cap. 0007
Inse rtthe plug with lug 1in groo ve3 on
th e soc ket. 0007
Turn the ba yonet coupling 2clockwise as
fa r as it will go. 0007
Let the cap engage. 0007
Secure the cable tothe trailer with cable ties
(only if you are using an adap ter cable). 0007
Make sure that the cable is alw ays slack for
ease of mo vement during cornering.
A display messa gemay appear on the multifunc‐
tion display even if the trailer has been connec‐
te d cor rectly:
R LEDs ha vebeen ins talled in the trailer light‐
ing sy stem
R The cur rent has fallen below the trailer light‐
ing sy stem's minimum cur rent (50 mA).
0009 Accessories can be connected tothe perma‐
nent po wer supp lyup to180W, and tothe
po we r supp lythat is swit ched on via the igni‐
tion loc k. Un
coupling a trailer 000A
WARNING Risk of being crushed and
becoming trapped when uncoupling a
trailer
When uncoupling a trailer wi than engaged
ine rtia-activated brake, your hand may
become trapped between theve hicle and the
trailer dr awbar. 0007
Do not uncouple trailers with an
engaged overrun brake. 000A
WARNING Risk of becoming trapped
when disconnecting the trailer cable
Ve hicles with le vel control sy stem: The
ve hicle lo werswhen the trailer cable is dis‐
connected.
This could result in you or other people
becoming trapped if your or their limbs are
between theve hicle body and the tyres or
underneath theve hicle. 0007
Make sure that nobody is unde rneath
th eve hicle or in the immediate vicinity 246
Driving and pa rking

of
the wheel ar ches when you discon‐
nect the trailer cable. 0007
Secure the trailer against rolling away. 0007
Disconnect the electrical connection
between theve hicle and the trailer. 0007
Uncouple the trailer. 0007
Place the co ver on the ball head. Bicycle
rackfunction 000A
WARNING Risk of an accident when
using the bicycle rack incor rectly
The bicycle rack may become de tach ed from
th eve hicle in thefo llowing cases:
R the permissible load capacity of the
trailer hitch is exceeded.
R the bicycle rack is used incor rectl y.
R the bicycle rack is secured tothe ball
neck beneath the ball head. Obser
vethefo llowing foryo ur ow n sa fety
and that of other road users: 0007
always adhere tothe permissible load
capacity of the trailer hitch. 0007
only use the bicycle rack totranspo rt
bicycles. 0007
always proper lysecure the bicycle rack
by attaching it tothe ball head. 0007
only use bicycle rack s appr ovedby
Mercedes-Benz. 0007
always obser vethe bicycle rack operat‐
ing instructions. 000E
NO
TEDama geto, or cra cks on, the
trailer hitch due tounsuitable bic ycle
ra ck s or bicycle rack s being used incor‐
re ctly 0007
use only bicycle rack s appr ovedby
Mercedes-Benz. Depending on
the bicycle rack 's design, up to
th re e bicycles can be transpor ted on the bicycle
ra ck.
When mounted byattaching toball head 1,the
maximum load capacity is 75kg.
The load capacity is calculated from thewe ight
of the bicycle rack and the bicycle rack load. Driving and parking
247

Instrument display
overview
Mercedes-AMG vehicles: be sure toobser ve
th e information in the Supplement. Otherwise,
yo u may failto recognise dangers. 000A
WARNING Risk of accident due toan
instrument display malfunction
If th e Instrument Display has failed or mal‐
functioned, you may not recognise function
re strictions applying tosaf etyre leva nt sys‐
te ms.
The operating saf ety of your vehicle may be
impaired. 0007
Drive on carefull y.0007
Have theve hicle checked immediately
at a qualified specialist workshop. If
th e operating saf ety of your vehicle is
impaired, park theve hicle safely as soon as pos‐
sible. Contact a qualified specialist workshop. Instrument display (standard)
1
Speedome ter
2 Multifunction display
3 Rev counter
4 Coolant temp erature display
5 Fuel le vel and fuel filler flap location indica‐
tor Instrument display in
the widescreen cockpit 1
Speedome ter
2 Multifunction display
3 Example: area for additional values
4 Coolant temp erature display
5 Fuel le vel and fuel filler flap location indica‐
tor
0009 Further display content can be shown on dis‐
play 3for additional values
(0013 page 253).
The segments on speedom eter 1 indicate the
sy stem status forth efo llowing:
R Cruise control (0013 page195) 250
Instru ment Display and on-board computer

R
Speed limiter (0013 page 196)
R Active Dis tance Assi stDISTRONIC
(0013 page 199)
000E NO
TEEngine dama gedue toexc essively
high engine speeds The engine will be damaged if
you drive with
th e engine in theov errevving range. 0007
Do not drive wi th the engine in theove r‐
re vving range. The fuel supply is inter
rupted toprotect the
engine when there d mark on there v counter 3
(o ve rrev ving range) is reached.
During no rmal operating conditions, the coolant
te mp erature display 4may rise to120 °C. 000A
WARNING Danger of bu rns when open‐
ing the bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. 0007
Before opening the bonn et, allow the
engine tocool down. 0007
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. Ve
hicles with a 48 V on-board electrical sys‐
te m (EQ Boo sttech nology) R
POWER 1shows th e electrical drive sup‐
port as a percentage.
R CHARGE 2showsthe electric mo tor's recu‐
peration po wer per form ance as a percent‐
age. 00D0
showsthe drive sy stem's operational read‐
iness . Overview of
the but tons on thest eering
wheel 1
¤ Back/Home button (press and hold),
on-board computer
2 Touch Control, on-board co mputer
3 Control panel for cruise control/limiter or
Ac tive Dis tance Assi stDISTRONIC
4 Control panel for multimedia sy stem:
£ LINGU ATRO NIC
ß Displa ysfavo urites In
stru ment Display and on-board computer 251

VO
L: control knob, adjusts thevo lume or
switches the sound off 0063(press)
0061 Makes/accepts a call
0076 Rejects/ends a call
5 00E2 Calls up the home screen
6 Touch Control multimedia sy stem
7 0038 Back button (press and hold) Operating
the on-boa rdcompu ter 000A
WARNING Risk of di stra ction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tion equipment integ rated in theve hicle
when driving, you will be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle. 0007
Only operate this equipment when the
traf fic situation permits. 0007
Ifyo u cannot be sure of this, stop the
ve hicle whilst paying attention toroad and traf
fic conditions and ope rate the
equipment with theve hicle stationar y. Obser
vethe legal requ irements forth e count ry
in which you are cur rently driving when you
operate the on-board computer.
0009 The on-board computer displa ysappear on
th e multifunction display (0013 page 254). The on-board computer can be operated using
th e left-hand Touch Control 2and the left-hand
back/home button 1.
When the on-board computer is being operated,
dif fere nt acoustic signals 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
The menus can be called up from the menu bar
on the multifunction displa y. 0007
Tocall up the menu bar: pressthe back
button on the left 1until the menu bar is
displa yed. 252
Instrument Display and on-board computer

Ad
aptive Highbeam Assist Plus
(0013 page133)
00CB Maximum permissible speed
exceeded
(for cer tain countries only)
Ve hicles with Traf fic Sign Assis t:de tected
instructions and traf fic signs (0013 page 235). Ad
justing the in stru ment lighting 0007
Turn brightness control 1up or down.
The lighting of the instrument display and in
th e control elements of theve hicle interior is
adjus ted. Menus and submenus
Fu
nctions on the service menu of the on-
board compu ter On-board computer:
0018 Service 0007
Toselect the function: swipe upwards or
down wards on the left-hand Touch Control. 0007
Press the left-hand Touch Control.
Fu nctions on theService menu:
R Message memory (0013 page471)
R AdBlue :Ad blue ®
ra nge and fill le vel
R Tyres:
- Restart the tyre pressure loss warning
sy stem (0013 page440)
- Che ckthe tyre pressure with the tyre
pressure monitor (0013 page 434)-
Restart the tyre pressure monitor
(0013 page 435)
R ASSYST PLUS: calls up the service due date
(0013 page 387)
R Vehicles with a widescreen cock pit:Cool-
ant : coolant temp erature display
R Engine oil level: engine oil le vel Calling up
the assistant display On-board computer:
0018 Assistance
The following displa ysare available on the assis‐
ta nt displ aymenu:
R Assis tant displ ay
R Attention le vel (0013 page 233) 0007
Toswitch between the displa ys:swipe
upwards or down wards on the left-hand
To uch Control. In
stru ment Display and on-board computer 255

Changing a media source
0007
Press the left-hand Touch Control. 0007
Toselect a media source: swipe upwards
or down wards on the left-hand Touch Con‐
trol. 0007
Press the left-hand Touch Control. Dialling
telephone numbers using the on-
board compu ter 000A
WARNING Risk of di stra ction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tion equipment integ rated in theve hicle
when driving, you will be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle. 0007
Only operate this equipment when the
traf fic situation permits. 0007
Ifyo u cannot be sure of this, stop the
ve hicle whilst paying attention toroad and traf
fic conditions and ope rate the
equipment with theve hicle stationar y. When
telephoning, you must obse rveth e legal
re qu irements forth e count ryin which you are
cur rently driving.
Re quirements:
R The mobile phone is connec tedto the multi‐
media sy stem.
On-board computer: 0018 Telephone
Ve hicles with the COMAND Online multime‐
dia sy stem: the most recent telephone calls
(dialled, recei ved and missed calls) are displa yed
on theTelephone menu. 0007
Toselect an entr y:swipe upwards or down‐
wa rds on the left-hand Touch Control. 0007
Press the left-hand Touch Control.
If th ere is only one telephone number
sa ve dto an entr y:thete lephone number
will be selec ted. 0007
Ifth ere are multiple telephone numbers
sa ve dto an entr y:swipe upwards or down‐ wa
rds on the left-hand touch cont rolto
select the desired telephone number. 0007
Press the left-hand Touch Control.
The telephone number will be dialled.
The following displa ysmay appear ins tead of the
te lephone numbers dialled:
R Please wait... :th e application is starting. If a
Blue tooth ®
connection tothe mobile phone
is not es tablished, the menu for auth orising
and connecting a mobile phone will be dis‐
pla yed on the multimedia sy stem
(0013 page 330).
R Updating data...: the call list is being upda‐
te d.
R Importing contacts... : contacts are being
impor ted from the mobile phone or a storage
medium.
Ac cepting/rejecting a call
Ve hicles with head-up displa y:When you
re cei vea call, theIncoming call message will
appear on the head-up displa y.260
Instrument Display and on-board computer

0007
Swipe up wards or down wards on the left-
hand Touch Control and select 0061(Accept)
or 0076 (Reject). 0007
Press the left-hand Touch Control.
Yo u may accept/ reject the call using button
0061 or0076 onthesteering wheel. Ad
justing the head-up display settings on
the on-board co mputer On-board computer:
0018 HUD
The following head-up display settings can be
adjus ted:
R Position
R Brightness
R Display content 0007
Toselect a setting: swipe upwards or down‐
wa rds on the left-hand Touch Control. 0007
Press the left-hand Touch Control. 0007
Toadjust a value: swipe upwards or down‐
wa rds on the left-hand Touch Control. 0007
Press the left-hand Touch Control. 1
Setting cur rently selected
2 Digital speedome ter
3 Traf fic Sign Assi st
4 Navigation displa ys Head-up Display
Fu
nction of the head-up display Mercedes-AMG
vehicles: be sure toobser ve
th e information in the Supplement. Otherwise,
yo u may failto recognise dangers. The head-up displ
ayprojects into the driver's
fi eld of vision:
R Information from the navigation sy stem
R Information from the driver assis tance sys‐
te ms
R Some warning messages
Display elements 1
Navigation messa ges
2 Current speed
3 Detected instructions and traf fic signs
4 Set speed in the driver assis tance sy stem
(e.g. cruise control) Instrument Display and on-board computer
261