charging MERCEDES-BENZ C-CLASS CABRIOLET 2018 User Guide

000E
NO
TEDama getothe battery from over‐
vo ltage When
charging using a bat tery charge r with‐
out a maximum charging voltage, the battery
or the on-board electronics may be damaged. 0007
Only use battery charge rs with a maxi‐
mum charging voltage of 14.4 V. All
other vehicles
When charging the battery and during starting
assis tance, al ways use the jump-s tart connec‐
tion point in the engine compartment.
000E NO
TEDamaging the battery thro ugh
ove rvoltage When using a battery
charge r without a maxi‐
mum charging voltage, the battery or the
ve hicle electronics may be damaged. 0007
Only use battery charge rs with a maxi‐
mum charging voltage of 14.8 V. 000A
WARNING Risk ofexplosion from hydro‐
ge nga s igniting
A battery generates hydrogen gas during the
ch arging process. If there is a short circuit or
spar ksstart toform ,th ere is a danger of the
hy drogen gas igniting. 0007
Make sure that the positive term inal of
th e connected battery does not come
into conta ct withvehicle parts. 0007
Never place me tal objects or tools on a
batter y. 0007
When connecting and disconnecting the
batter y,yo u must obse rveth e descri‐
bed order forth e battery clamps. 0007
When giving starting assis tance, al ways
make sure that you on lyconnect bat‐
te ry term inals with identical polarity. 0007
During starting assis tance, you must
obse rveth e described order for con‐
necting and disconnecting the jump
lead. 0007
Do not connect or disconnect the bat‐
te ry cla mp s while the engine is running. 000A
WARNING Risk ofexplosion during
ch arging process and starting assis tance
During thech arging process and starting
assis tance, the battery may release an explo‐
sive gas mixture. 0007
Avoid fire , naked flames, creating
spar ksand smoking. 0007
Make sure that there is suf ficient venti‐
lation du ring thech arging process and
during starting assis tance. 0007
Do not lean over a batter y. 000A
WARNING Risk ofexplosion from a fro‐
zen battery
A dischar ged battery may freeze at temp era‐
tures slightly abo veor below freezing point.
During starting assis tance or battery charg‐
ing, bat tery gas may be released. 0007
Alw aysth aw a frozen bat tery out first
before charging it or per form ing start‐
ing assis tance. Breakdown assi
stance 419

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
000E 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. 0007
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 batteries with a nominal voltage of
12 V.
R The vehicles must not touch.
R Petrol engine: only acceptstarting assis‐
ta nce if the engine and exhaust sy stem are
cold. St
arting assi stance and charging the12 V
battery Requ
irements:
R The vehicle is secured with the electric park‐
ing brake.
R Automatic transmission: the transmission
is in position 005D.
R Manual transmission: the transmission is in
neutral.
R The ignition and all electrical consumers are
switched off.
R The bonn etis open. 420
Breakdown assis tance

0007
Fold co ver1 up in the direction of the
ar row. 0007
Slide co ver2 of positive clamp 3onthe
jump-s tarting connection point in the direc‐
tion of the ar row. 0007
Connect positive clamp 3onyour vehicle to
th e positive pole of the donor battery using
th e jump lead/charging cable. Alw ays begin
with positive clamp 3onyour ow nve hicle
fi rs t. 0007
During starting assi stance: start the
engine of the donor vehicle and run at idle
speed. 0007
Connect the negative pole of the donor bat‐
te ry and ear thpoint 4ofyour ow nve hicle
by using the jump lead/charging cable. Begin
with the donor battery firs t. 0007
During starting assi stance: start the
engine of your ow nve hicle. 0007
During thech arging process: start the
ch arging process. 0007
During starting assi stance: letthe engines
ru nfo r se veral minutes. 0007
During starting assi stance: before discon‐
necting the jump lead, switch on an electrical
consumer in your ow nve hicle, e.g. there ar
wind owheater or lighting.
When thest arting assis tance/charging process
is compl ete: 0007
First,re mo vethe jump lead/charging cable
from ear thpoint 4and negative pole of the
donor batter y,then from positive clamp 3
and positive pole of the donor batter y.Begin Breakdown assis
tance 421

each time with
the conta cts onyour own
ve hicle firs t. 0007
Afterre moving the jump lead/charging
cable, close co ver2 of positive clamp 3.0007
Close co ver1.
Fu rther information can be obtained at a quali‐
fi ed specialist workshop. Re
placing the 12V battery 0007
Obser vethe no tes on the12 V battery
(0013 page417).
Me rcedes-Benz recommends that you ha vethe
12 V battery replaced at a qualified specialist
wo rkshop, e.g. at a Mercedes-Benz Service
Centre.
Obser vethefo llowing no tes if youwa ntto
re place the battery yourself:
R Alw aysre place a faulty bat tery with a battery
which meets the specific vehicle requ ire‐
ments. The
vehicle is equipped with an AGMtech nol‐
ogy battery (Absorbent Glass Mat) or a li th‐
ium-ion batter y.Fu llve hicle functionality is
only guaranteed with an AGM battery or lith‐
ium-ion batter y.Fo r saf etyre asons,
Mercedes-Benz recommends that you on ly
use bat teries which ha vebeen tested and
appr oved foryo ur vehicle byMercedes-Benz.
R Carryover de tach able parts, such as vent
hoses, elbow fittings or term inal co vers from
th e battery being replaced.
R Make sure that theve nt hose is al ways con‐
nected tothe original opening on the side of
th e batter y.
Fit any existing or supplied cell caps.
Otherwise, gases or battery acid could
escape.
R Make sure that de tach able parts are recon‐
nected in the same way. To
w- starting or towing away Pe
rm itted towing me thods Mercedes-Benz
recommends transporting your
ve hicle in the case of a breakdown, rath er than
to wing it away.
Fo rto wing, use a tow rope or tow bar with bo th
axles on the ground. Do not use tow bar sys‐
te ms.
000E NO
TEDama getotheve hicle due to tow‐
ing away incor rectly 0007
Obser vethe instructions and no tes on
to wing away. 422
Breakdown assis tance

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Wait until the engine has cooled down. 0007
Make sure that the air supply tothera diator is not obstructed. 0007
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
00D7
Please wait Charging high-
voltage battery *T
he 48 V battery is dischar ged. You ha veswitched on the ignition while the12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assis tance.
The discha rged 48 V battery is charge d automatically via thevo ltage con verter. Af ter a few minutes, theMotor can
be started again display message will be shown on the multifunction displa y. 0007
Start the engine. 0007
Drive theve hicle for a while tocharge the12 V battery and the 48 V battery af ter disconnecting thech arger
from theve hicle.
If th eMotor can be started again display message does not appear af ter a few minutes: 0007
Tryto start the engine again. 0007
Ifth e engine does not start, consult a qualified specialist workshop.
003D
48 V battery See Owner's
Manual *T
he 48 V sy stem is malfunctioning. Con venience functions may be restricted. 0007
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 499

Au
tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff .......................................... 42, 44
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 42
PA SSENGER AIR BAG indicator lamp .... .44
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .141
Au tomatic transmission
DIRECT SELECT le ver ........................... 16 2
Drive program display .......................... 15 9
Drive programs .................................... 15 9
DY NA MIC SELECT switch .................... 15 9
Engaging drive position ....................... 16 4
Engaging neutral .................................. 16 3
Engaging pa rkposition ........................ 16 4
Engaging reve rsege ar ........................ .163
Kickdown ............................................. 16 5
Manual gear changing ........................ .164
St eering wheel gearshift paddles ........ .164
Tr ansmission position display .............. 16 2Tr
ansmission positions ........................ 16 2
Au tomatic transmission (problem)
see Transmission (problem)
Axle load Perm issible .......................................... 456
Tr ailer operation .................................. 470 B
Ball ne ck
Fo lding out/in .................................... .243
BA S (Brake Assist Sy stem) .................... .185
Battery Cha rging (Remo teOnline) .................... 151
Ke y ........................................................ 76
Battery see Battery (vehicle)
Battery (vehicle) ...................................... 422
Charging .............................................. 420
Charging (Remo teOnline) .................... 151
No tes ................................................... 417
No tes (s tarting assis tance and
ch arging) .............................................. 41 8
Re placing ............................................ 422 St
arting assis tance .............................. 420
Belt see Seat belt
Bic ycle rack
Tr ailer operation .................................. 247
Blind Spot Assi st..................................... 237
Ac tivating/deactivating ...................... .240
Fu nction .............................................. 237
Sy stem limitations ...............................2 37
Blo wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
............................................... 289
Information .......................................... 289
Setting up an Internet connection ....... 353
Switching on/off ................................. 289
Switching profile (DUN/PAN) .............. 354
Blue tooth ®
audio
Ac tivating ............................................ 372
De-authorising (de-regis tering) the
device .................................................. 372
Information ..........................................3 70 Index
545

0025inope
rative See Owner's Man‐
ual ....................................................... 479
00E5 inope rative See Owner's Man‐
ual ....................................................... 480
007Ainoperati veSee Owner's Man‐
ual ........................................................ 476
0053 Inoperative .................................. 483
0049Intellige nt Light System inoper‐
ative ....................................................5 23
00AFKe y not de tected (white dis‐
pl ay messa ge)...................................... 51 5
00AF Key not de tected (red displ ay
messa ge).............................................5 14
0049 Left dipped beam (Example) ........ 524
0075Left windowbag malfunction
Consult workshop (Example) ............... 480
Limiter inoperative .............................. 494
Limiter passive .................................... 494
¢ Lowe ring ..................................... 491 0049Malfunction See Owner's Man‐
ual
....................................................... 525
00CBMaximum speed exceeded ..........4 94
Mercedes me connect Services limi‐
te d See Owner's Manual .....................483
Mo tor can be star ted again .................4 98
N permanently active Risk of vehicle
ro lling .................................................. 507
çOff .............................................. .492
00D9Off ............................................... 489
Only select Park (P) when vehicle is
st ationary ............................................ 508
0059 Open/close top comple tely ....... 522
00CAOpe ration only possible in
transmission position N .......................517
00CA Operation only possible in
transmission position P ........................516
0024 Parking brake See Owner's
Manual ................................................ .473 00AF
Place theke y in the mar ked
space See Owner's Manual ..................51 5
Please reduce speed ...........................4 85
00D7Please wait Charging high- volt‐
age battery .......................................... 499
PRE- SAFE inoperati veSee Owner's
Manual ................................................ 482
Ra dar sensors dirty See Owner's
Manual ................................................ 477
006F Rear left seat backrest not
loc ked (Example) .................................. 519
0077 Rectify tyre pressure ....................511
Re duce speed ...................................... 513
00C8 Refill Ad Blue Eng. start not pos‐
sible .................................................... 503
00C8Re fill Ad Blue See Owne r’s Man‐
ual .......................................................5 03
0024Re lease parking brake .................476
009E Replace air cleaner ...................... 497 Index
553

Mercedes-Benz Link
................................ 341
Connecting .......................................... 341
Ending ................................................ .341
Overview ..............................................3 41
Using ................................................... 341
Mercedes-Benz service centre see Qualifi ed specialist workshop
Message (multifunction display) see Display message
Message memory .................................... 471
Messages Voice commands (LINGU ATRO NIC) ...... 274
Messages see Text messa ges
Mir rors
see Outside mir rors
Mobile phone Cancelling permission for Internet
connection ......................................... .355
Damage de tection (pa rked vehicle) ..... 182
Locking theve hicle ................................ 79
St arting theve hicle ............................. 14 9
Un locking theve hicle ............................79 Wi
reless charging ................................ 12 5
Mobile phone see Android Auto
see Apple CarPlay™
see Mercedes-Benz Link
see Second telephone
see Telephone
Mobile phone voice recognition
St arting .............................................. .334
St opping ..............................................3 34
Model series see Vehicle identification plate
MOExtended tyres ................................... 411
Mo torw ay mode ....................................... 131
MULTIBEAM LED see Intelligent Light Sy stem
Multifunction display Overview of the displa ys...................... 254
Multifunction steering wheel
Overview of buttons ............................ .251
Multifunction steering wheel
see Steering wheel Multimedia sy
stem .................................. 278
Ac tivating/deactivating standby
mode .................................................. .183
Ad justing thevo lume .......................... .285
Central control elements ..................... 279
Con figuring display settings ................2 87
ENERGIZING comfort prog ram (o ver‐
view) ................................................... .299
Entering characters ............................ .285
Fa vourites ............................................ 282
Main functions .................................... 282
Overview ............................................ .278
Re storing thefa ctory settings ............. 298
St andby mode function ...................... .182
St arting the ENERG IZING comfort
program ..............................................3 00
Switching the sound on/off ................2 84
Multimedia sy stem
see Touch Control
see Touchpad N
Na vigation
Menu (on-board computer) .................. 257
Showing/hiding the menu ...................3 01 Index
565

R
Ra dar senso rs
Fo il co vering ........................................ 183
Ra dio
Ac tivating/deactivating radio text ....... 376
Calling up a slide show ........................ 375
Calling up thest ation list .................... .375
Del eting channels ................................ 375
Direct frequency entry ........................ .375
Displ aying information ........................ .376
Displ aying radio text ............................ 376
Editing station presets ........................ .375
Fr equency fix ....................................... 376
Menu (on-board computer) .................. 259
Moving stations .................................. .375
Overview ..............................................3 74
Sea rching forst ations .......................... 375
Setting a channel ................................ .375
Setting station tracking ...................... .376
Setting the frequency band ................. 375
Setting the traf fic information
service volume inc rease ...................... 376
St oring radio stations .......................... 375
Switching on ........................................ 373Switching traf
fic announcements
on/off .................................................. 376
Ta gging music trac ks........................... 376
Vo ice commands (LINGU ATRO NIC) ...... 271
Ra dio stations
Dialling (on-boa rdcompu ter) ............... 259
Ra in-closing feature
Side wind ows ........................................86
Ra nge
Ad Blue ®
............................................... 255
Displaying ............................................ 256
REA CHregulation ...................................... 28
Re ading light
see Interior lighting
Re alwo od (Care) .................................... .405
Re ar fog light
Switching on/off .................................1 28
Re ar seat
see Seat
Re ar seat belt
St atus display ........................................ 39
Re ar seat belt status display .................... 39 Re
ar window heater ................................ 14 3
Re ar-view mir ror
see Outside mir rors
Re cycling
see Take -ba ckof end-of-life vehicles
Re ducing agent
see AdBlue ®
Re fuelling
Re fuelling theve hicle .......................... 16 8
To pping up AdBlue ®
............................. 172
Re gistration
Ve hicle ................................................... 27
Re mo teOnline
Charging the battery ............................1 51
Cooling or heating theve hicle inte‐
ri or .......................................................1 50
St arting theve hicle .............................. 151
Re scue card ............................................... 28
Re ser ve
Fu el ..................................................... 462
Re set function (multimedia sy stem) .....2 98 Index
569

Te
lephone menu overview ...................3 29
Te lephone operation ............................ 334
Un locking theve hicle (mobile phone) ....79
Using Near Field Communication
(NFC) ................................................... 333
Vo ice commands (LINGU ATRO NIC) ...... 271
Wi reless charging (mobile phone) ........ 12 5
Te lephone
see Second telephone
Te lephone number
Dialling (on-board computer) .............. .260
Te lephone operation
see Calls
Te lephony operating modes
Blue tooth ®
Te lephony .......................... 330
Business telephony ............................ .330
Te lephony operating modes
see Second telephone
Te lete xt
Displaying ............................................ 383
Overview ............................................. 383
Te levision
see TV Te
mp erature ............................................ 14 3
Te xt messages ......................................... 338
Calling a message sender .................... 339
Changing folders ................................ .340
Composing .......................................... 339
Configu ring the displa yedte xt mes‐
sa ge s ................................................... 338
Deleting ............................................... 340
Drafts .................................................. 340
No tes .................................................. 338
Options ................................................ 340
Outbox ................................................ 340
Re ad-aloud function ............................ 339
Re ading .............................................. .339
Re plying .............................................. 339
Sending ...............................................3 39
Vo ice commands (LINGU ATRO NIC) ...... 274
Through-loading feature
see Seat
Ti e-d owney es .......................................... .118
Time Manual time setting ............................. 289
Setting summer time ........................... 288 Setting
the time and date automati‐
cally ..................................................... 288
Setting the time zone .......................... 288
Setting the time/date form at .............. 289
TIREFIT kit ................................................ 412
Declaration of conformity ...................... 26
St orage location ................................... 412
Using ................................................... 412
To ne settings ...........................................3 85
Calling up the sound menu .................. 385
Information .......................................... 385
To ngue weight ........................................ .470
To ol
see Vehicle tool kit
To pTe ther .................................................. 65
To tal di stance .......................................... 256
Displ aying ............................................ 256
To uch Control .......................................... 279
On-board computer ............................. 252
Operating ............................................ 279
Setting the sensitivity .......................... 280 Index
575