engine coolant MERCEDES-BENZ C-CLASS SALOON 2018 User Guide

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.518
Displaymessa ges and warning/indicator lamps

Wa
rning and indicator lamps:
0058 Low beam (0013
page135)
0060 St
anding lights (0013 page135)
0057 High beam (0013
page137)
003E003D Tu
rn signal indicator
(0013 page137)
005E Re
ar fog light (0013 page135)
0075 Re
stra int sy stem (0013 page546)
00E9 Seat belt not
fastened
(0013 page 552)
004D Brakes (yellow) (0013
page546)
004D Brakes (red) (0013
page546)
0024 Electric pa
rking brake (yellow)
(0013 page546) 0024
Electric parking brake (red)
(0013
page546)
0025 ABS malfunction (0013
page 546)
00E5 ESP®
(0013 page 546)
00BB ESP®
OFF (0013 page546)
L Distance warning (0013 page 552)
00CC Po
we r-assis tedsteering malfunction
(0013 page 557)
00CC AIRMATIC malfunction
(0013
page 552)
00CC DY
NA MIC BODY CONTROL malfunc‐
tion (0013 page 552)
00B9 Engine diagnostics (0013
page 553)0028
Preglow
003D Electrical
fault( 0013 page 553)
00B6 Fu
elreser vewith fuel filler flap loca‐
tion indicator (0013 page 553)
00AC Coolant
too hot/cold
(0013 page 553)
0077 Ty
re pressure monitor
(0013 page 556)
00CA Tr
ailer hit chis not operational or is
swivelling(0013 page 557)Saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
004D The
red brake sy stem warning lamp is lit while the engine is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected. 546
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions 0007
Start the engine thre eto four times af terre fuelling.
If th eye llow engine diagnosis warning lamp goes out, emer gency operation mode is cancelled. The vehicle need not
be checked.
003D Elect rical fault warning
lamp The
red elect rical fault warning lamp is lit.
There is a fault in the electrics. 0007
Obser vethe messages on the multifunction displa y.
00B6
Fu elreser ve wa rning lamp The
yellow fuel reser vewarning lamp is lit while the engine is running.
The fuel supply has dropped into there ser verange. 0007
Refuel.
00AC
Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. 554
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions 000A
WARNING Danger of bu rns when opening 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 wi thhot 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 compartment, keep the engine bonn etclosed and call thefire service. 0007
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving under any circums tances. 0007
Obser vethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: 0007
Consult a qualified specialist workshop.
or 0007
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. 0007
Check the coolant le vel (0013 page413). 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 the
coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 555

Climate
style
Fu nction .............................................. 157
Setting ................................................. 157
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
Collapsible spare wheel .......................... 469
No tes .................................................. 469
COMAND Online see Multimedia sy stem
COMAND Touch
Managing devices ................................ 311
Combination switch ................................137
Compass .................................................. 345
Compu ter
see On-board computer
Connection status
Displ aying ............................................ 374
Overview ..............................................3 74Connectivity
Swit ching transmission of theve hicle
position on/off .................................... 308
Contacts ................................................... 354
Calling up ............................................ 355
Deleting ............................................... 356
Downloading (from mobile phone) ...... 355
Importing ............................................ 356
Importing (o verview) .......................... .355
Information .......................................... 354
Making a call ....................................... 356
Na me form at ...................................... .355
Options ................................................ 356
St oring ................................................ 356
Controller Operating ............................................ 299
Con venience closing ................................. 90
Con venience opening ................................ 90
Coolant (engine) Check le vel .......................................... 413
No tes .................................................. 483
Cooling see Climate control Co
pyright .................................................... 31
Cornering light ........................................ .139
Cross Traf fic Alert .................................... 251
Crosswind Assist Function/no tes ................................... 207
Cruise control .......................................... 214
Ac tivating ............................................ .216
Buttons ................................................ 216
Calling up a speed .............................. .216
Deactivating ......................................... 216
Fu nction ............................................... 214
Re quirements ...................................... 216
Selecting .............................................. 216
Setting a speed .................................... 216
St oring a speed .................................... 216
Sy stem limitations ...............................2 14
Cup holder Rear .................................................... .128
Cup holder in the centre console
In stalling/removing ............................ .127
ins talling/ removing (auto matic
transmission) ....................................... 12 6 Index
567

Ad
aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual ................................................ 544
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .544
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .544
0099 AdBlue sy stem fault Engine
st art not possible ................................ 523
0099 AdBlue sy stem fault Perf.
re duced in XXX km See Owner's
Manual ................................................ 523
0099 AdBlue sy stem fault Perf.
re duced: XXX mph No start in XXX
miles .................................................. .523
0099 AdBlue sy stem fault See Own‐
er's Manual ........................................ .522
00B2Ad d 1 litre engine oil when next
re fuelling ............................................. 521 Apply brake
todeselect Park (P)
position ...............................................5 25
Apply brake toselect R ........................ 527
00ADAT TENTION ASSIST inoperative ....511
00AD ATTENTION ASSIS T:Take a
break! .................................................. 507
0049Au tomatic driving lights inoper‐
ative .................................................... 542
Au xilia rybattery malfunction .............. 525
0044Before starting the engine, turn
th esteering wheel. .............................. 527
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 505
Blind Spot Assist inope rative ............... 506
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...5 09
Brake immediate ly............................... 491
Cannot start engine See Owner's
Manual ................................................ .517
00AF Changekey bat teries .................. 534 004DCheck brake
fluid le vel................ 496
Check brake pads See Owner's Man‐
ual ...................................................... .504
00B2Che ckeng. oil le v.when next
re fuelling ............................................. 521
00CAChe cktrailer hitch lo ck(white
display message) .................................5 36
Che cktyre pressu resth en restart
Ru n Flat Indicator ................................ 532
0077Check tyre(s) ............................... 530
003AClean the fuel filter ...................... 51 5
Clutch overheated Avoid pulling away
fo r XX:XX mins .................................... 526
00ACCoolant Stop vehicle Switch
engine off ............................................. 517
Cruise cont rol and Limiter inope ra‐
tive ....................................................... 512
Cruise cont rol inope rative .................... 512
Cruise cont rol off ................................ .512 57 0
Index

00AFPlace
theke y in the mar ked
space See Owner's Manual ................. 534
Please reduce speed ...........................5 04
00D7Please wait Charging high- volt‐
age battery .......................................... 51 8
PRE-SAFE inoperative See Owner's
Manual ................................................ 501
Ra dar sensors dirty See Owner's
Manual ................................................ 496
006FRe ar left seat backrest not
loc ked (Example) .................................5 38
0077Re ctify tyre pressure ................... 530
Re duce speed ...................................... 532
00C8Re fill Ad Blue Eng. start not pos‐
sible .................................................... 522
00C8Re fill Ad Blue See Owne r’s Man‐
ual .......................................................5 22
0024Re lease parking brake .................495
009ERe place air cleaner ......................516,
Replace key See Owner's Man‐
ual ...................................................... .535
00AFRe placekey ................................ .534
00B6Re servefuel le vel........................ .519
0075 Restra int sys. malfunction Con‐
sult workshop ...................................... 503
Re versing not poss. Consult work‐
shop ....................................................5 25
Risk of vehicle rolling Driver door
open and transmission not in P ...........527
Ru n Flat Indicator inope rative ............. 533
003DSee Owner's Manual ....................514
Speed limit (winter tyres) XXX km/h ...513
00CC Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 538
00CCSt eering malfunction See Own‐
er's Manual ......................................... 527
00CCSt eering malfunction Stop
immediately See Owner's Manual .......538 St
op vehicle Lea veengine running
Wa itTransmission cooling ...................524
003D Stop vehicle Lea veengine run‐
ning ...................................................... 51 5
003D Stop vehicle See Owner's Man‐
ual ........................................................ 516
00CC Stop vehicle Vehicle too low ........ 509
çsuspended ................................... 511
0049 Switch off lights .......................... 542
0049 Switch on headlamps ..................542
To shift out of P or N,depress brake
and start engine .................................. 525
00C8To p upAdBlue Perf.re duced in
XXX miles See Owner's Manual ...........524
00C8 Top up AdBlue Perf.re duced:
XXX km/h Nostart in XXX km ............ 523
To p up coolant See Owner ’sManual ....515
00B2 Top up washer fluid .................... .540
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 508572
Index

Ne
utral
Engaging .............................................. 182
NFC see Near Field Communication (NFC)
No n-operational time
Ac tivating/deactivating standby
mode .................................................. .202
St andby mode function ........................ 201 O
Occupant saf ety
Pe ts in theve hicle ..................................71
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
see Restra int sy stem
see Seat belt
Odome ter
see Total dis tance Oil
see Engine oil
On-board co mputer ................................. 271
Assi stant display menu ........................ 274
Displ aying the service due date ........... 406
Head-up display menu .........................2 80
Media menu ......................................... 278
Menu designs ...................................... 272
Menu overview .................................... 271
Multifunction display ........................... 273
Na vigation menu .................................. 276
Operating ............................................. 271
Ra dio menu .........................................2 78
Service menu ....................................... 274
Te lephone menu .................................. 279
Tr ip menu ............................................ 275
On-board diagnostics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .471
No tes ................................................... 471
Tw o-w ayradios .................................... 471
Open-source software ...............................31 Opening
the boot lid using your foot
HANDS-FREE ACCESS .......................... .85
Operating fluids
Ad Blue ®
............................................... 480
Ad ditives (fuel) .....................................4 78
Brake fluid .......................................... .482
Coolant (engine) .................................. 483
Engine oil ............................................. 481
Fu el (diesel) ......................................... 478
Fu el (petrol) ......................................... 477
No tes ................................................... 475
Wi ndsc reen washer fluid .................... .484
Operating saf ety
48 V on-boa rdelectrical sy stem ............ 23
Declaration of Conformity (electro‐
magnetic compatibility) .........................25
Declaration of conformity (ja ck) ............ 25
Declaration of con form ity (TIREFIT kit) .. 26
Declaration of con form ity (wireless
ve hicle components) ............................. 25
EQ Boost ............................................... 23
Information ............................................ 23
Operating sy stem
see On-board computer Index
585

Ac
tivating/deactivating full-screen
mode ................................................... 386
Overview ............................................ .385
Settings ............................................... 386
VIN ............................................................ 473
Identification plate ............................... 473
Seat ..................................................... 473
Wi ndsc reen .......................................... 473
Vi sion
Demisting windo ws............................. 15 8
Vo ice command types (LINGUA‐
TRONIC) .................................................... 283
Vo ice control sy stem
see LINGU ATRO NIC W
Wa rning lamps
see Warning/indicator lamps
Wa rning sy stem
see ATA (anti-theft alarm sy stem)
Wa rning triangle
Re moving ............................................ 426
Setting up ............................................ 426 Wa
rning/indicator lamp
0025ABS warning lamp ...................... .548
004DBrake sy stem warning lamp
(red) .................................................... 546
004D Brake sy stem warning lamp
(yellow) ................................................ 549
00AC Coolant warning lamp ................ .554
003D Electrical fault warning lamp ...... .554
00B9 Engine diagnosis warning lamp .. .553
00BBESP ®
OFF warning lamp .............. 550
00E5ESP ®
wa rning lamp flashes ........ .549
00E5ESP ®
wa rning lamp lights up ...... .550
00B6Fu elreser vewarning lamp .......... 554
00CCPo werst eering sy stem warning
lamp .................................................... 557
0024Re d indicator lamp, elect ric
parking brake applied .......................... 548
0075 Restra int sy stem warning lamp .... 551
0076Seat belt warning lamp flashes .. .552 0076Seat belt
warning lamp lights
up ........................................................ 552
00CCSuspension warning lamp .......... .552
00CATr ailertow hit chwarning lamp .... 558
0077Ty repressure monitoring sys‐
te m wa rning lamp flashes .................. .556
0077Ty repressure monitoring sys‐
te m wa rning lamp lights up ................ .556
LWa rning lamp for dis tance
wa rning function ................................ .553
0024Ye llow elect ric pa rking brake
indicator lamp is malfunctioning ........ .548
Wa rning/indicator lamps .......................545
Overview ............................................. 545
PA SSENGER AIR BAG ............................ 43
Wa rranty ....................................................28
Wa sher fluid
see Windsc reen washer fluid
Wa shing byhand (care) ........................... 416
Wa ter tank
see Air-water duct Index
599