warning MERCEDES-BENZ C-CLASS SALOON 2018 Owners Manual

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

Ty
res Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0077 Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. 000A
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. 0007
Obser vethere commended tyre pressures. 0007
Adjust the tyre pressure if necessar y. 0007
Stop theve hicle, paying attention toroad and traf fic conditions. 0007
Check the tyre pressure and the tyres.
0077 The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) flashes for appro ximately one
minu teand then remains lit.
The tyre pressu remonitoring sy stem is faulty. 556
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
Ty re pressure monitoring
sy stem warning lamp
fl ashes 000A
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss in
one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ 0007
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. 0007
Consult a qualified specialist workshop. Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00CC Po we rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp is lit while the engine is running.
The po wer-assis tedsteering or thesteering itself is malfunctioning. 000A
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. 0007
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. Display messa
ges and warning/indicator lamps 557

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions 0007
Consult a qualified specialist workshop. 0007
Obser vethe messages on the multifunction displa y.
00CA
Tr ailer tow hit chwarning
lamp The
red trailer tow hit chwarning lamp is on.
The trailer tow hit chis not operational or swivels. 000A
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. 0007
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. 0007
Uncouple the trailer and secure it against rolling away. 0007
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. 0007
Obser vethe messages on the multifunction displa y.
If th e trailer hitch swivels: 0007
Wait until the ball coupling has reached the operational position. 558
Display messages and warning/indicator lamps

Heating
see Climate control
High beam Adaptive Highbeam Assist .................. .140
Switching on/off ................................. 137
High-pressure cleaner (care) ..................41 5
Hill Start Assist ....................................... 230
HOLD function ......................................... 230
Fu nction/no tes ................................... 230
Switching on/off ................................. 231
Hooking the luggage net .........................121
Hotspot Setting up (Wi-Fi) ................................. 310I
i-Size child seat securing sy stem
Fitting .................................................... 60
Seats suitable for attaching ................... 59
Identification plate Engine ................................................. 473
Ve hicle .................................................4 73
Ignition Swit ching on (S tart/S top button) ........ 16 6Ignition
key
see Key
Immobiliser ................................................ 97
Implied warranty
Ve hicle .................................................. 28
In Car Of fice
Calling up ............................................ 359
Fe atures .............................................. 359
Marking a to-do entry as compl eted ....3 60
Noting an incoming call ....................... 360
Selecting functions .............................. 359
Switching auto maticstart on/off ........ 359
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 17 9
Selecting .............................................. 178
Inspection see AS SYST PLUS
Instrument clus ter
see Instrument display
Instrument display ..................................2 69
Ad justing the lighting ........................... 274Fu
nction/no tes ................................... 269
Instrument clus ter ................................. 10
Setting the additional value range ....... 272
Wa rning/indicator lamps .................... 545
Instrument lighting .................................274
Intelligent Light Sy stem .......................... 13 8
Ac tive headla mps ................................ 13 9
Ad aptive Highbeam Assist .................. .140
Ad versewe ather light .......................... 14 0
City lighting ........................................ .140
Cornering light ..................................... 13 9
Fo g light (extended range) ................... 14 0
Mo torw ay mode ................................... 13 9
Overview ............................................. 13 8
Switching on/off ................................. 14 0
Interior lighting ...................................... .144
Ambient lighting .................................. 14 4
Re ading light ...................................... .144
Setting ................................................. 14 4
Switch-off del aytime ........................... 14 5
Interior pr otection
Fu nction ................................................ 99
Priming/deactivating ............................. 99 578
Index

Ke
y functions
Deactivating ........................................... 74
KEYLESS-GO Locking theve hicle ................................ 79
Problem .................................................80
Un locking setting .................................. .74
Un locking theve hicle ............................79
Kickd own.................................................1 84
Using ................................................... 184
Knee airbag ................................................ 39L
Lamp see In terior lighting
Lamps (instrument display) see Warning/indicator lamps
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist
Language .................................................. 312
No tes ................................................... 312
Setting ................................................. 312LED light
see In telligent Light Sy stem
Le vel control sy stem
see AIRMATIC
Light switch Overview ............................................ .135
Lighting see Interior lighting
see Lights
Lights ........................................................ 13 5
Ac tive headla mps ................................ 13 9
Ad aptive Highbeam Assist .................. .140
Ad justing the instrument lighting ......... 274
Ad versewe ather light .......................... 14 0
Au tomatic driving lights ....................... 13 6
Changing bulbs .................................... 14 5
City lighting ........................................ .140
Combination switch ............................ .137
Corne ring light ..................................... 13 9
Driving ab road (symm etrical dipped
beam) .................................................. 13 5
Fo g light (extended range) ................... 14 0
Haza rdwa rning lights .......................... 13 8
Headla mpflasher ................................ 137Headla
mprange .................................. 13 6
High beam ........................................... 137
Intellige nt Light Sy stem ....................... 13 8
Light switch ......................................... 13 5
Low beam ............................................1 35
Mo torw ay mode ................................... 13 9
Pa rking lights ...................................... .135
Re ar fog light ....................................... 13 5
Re sponsibility for lighting sy stems ...... 13 5
Setting the dipped beam ..................... 14 3
Setting theex terior lighting switch-
off delay time ...................................... 14 3
Setting the sur round lighting .............. .143
St anding lights .................................... .135
Tu rn signal lights ..................................1 37
Limiter ...................................................... 215
Ac tivating ............................................ .216
Buttons ................................................ 216
Calling up a speed .............................. .216
Deactivating ......................................... 216
Fu nction ............................................... 215
Pa ssive mode ....................................... 215
Pe rm anent setting .............................. .218
Re quirements: .................................... .216
Selecting .............................................. 216580
Index

Outside mir
rors ................................ 150, 151
Anti-dazzle mode (automatic) ............... 151
Au tomatic mir rorfo lding function ........ 15 3
Fo lding in/out .................................... .150
Operating the memory function ........... 11 3
Pa rking position .................................. .152
Setting ................................................. 15 0
Overhead control panel Making calls (Mercedes me connect).............................................................3 65
Overview ................................................ 14
Owner's Manual Vehicle equipment ................................. 23
Owner's Manual (digital) .......................... 20P
Pa int code ................................................ 473
Pa intwork (cleaning instructions) ..........417
Pa nel heating
Setting .................................................1 10
Pa nic alarm ................................................ 74
Ac tivating/deactivating ......................... 74Pa
noramic sliding sunroof
see Sliding sunroof
Pa rk position
Inserting .............................................. 183
Selecting au tomatical ly....................... 183
Pa rking
see Electric parking brake
Pa rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC .................. 235
Ac tivating ............................................ 238
Ad justing warning tones ...................... 238
Deactivating ........................................ 238
Fu nction .............................................. 235
Side impact pr otection ........................ 236
Sy stem limitations ...............................2 35
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights .......................................... .135
Pa rking position
Outside mir rors ................................... 15 2St
oring the position of the passenger
outside mir ror using reve rsege ar ........ 15 3
Pa rking up ................................................ 201
PA SSENGER AIR BAGstatus display
see Automatic front passenger front
airbag shutoff
Pe destrian pr otection
see Active bonnet (pedestrian pr otection)
Pe rfume
see Fragrance sy stem
Pe rfume vial
see Fragrance sy stem
Pe rm issible axle load .............................. 473
Pe rm itted towing me thods .................... .439
Pe rsonalisation
see User profile
Pe trol ........................................................ 477
Pe ts in the vehicle .................................... .71
Phone book see Contacts
Picture form ats
see Video mode 586
Index

Seat
...........................................1 00,101, 11 7
4-w aylumbar support .......................... 106
Ad justing (electrically) ........................ .106
Ad justing (manually and electrically)
..................................................... 101, 103
Ad justing (Seat Comfort) ..................... 103
Backrest (rear) locking ......................... 11 9
Con figuring the settings ......................1 08
Cor rect driver's seat position .............. 100
Fo lding the backrest (rear) back ..........1 18
Fo lding the backrest (rear) forw ards .... 11 7
Massage programme overview ............ 108
Operating the memory function ........... 11 3
Pa nel heating ....................................... 11 0
Re setting the settings .......................... 109
Setting options ...................................... 16
Wo rkout programme overview ............ .108
Seat belt ............................................... 34, 38
Ac tivating/deactivating seat belt
adjustment ............................................ 38
Ad justing the height .............................. 37
Care .................................................... 422
Centre rear seat (releasing) .................. .37
Fa stening ............................................... 37
Pr otection ..............................................34 Re
ar seat belt status display ................ .38
Re duced pr otection ...............................35
Re leasing .............................................. .38
Seat belt adjustment (function) ............. 38
Wa rning lamp ........................................ 38
Seat belt adju stment
Ac tivating/deactivating ......................... 38
Fu nction ................................................ 38
Seat belt tensioners
Ac tivation .............................................. 33
Seat belt warning
see Seat belt
Seat co ver (Care) ..................................... 422
Seat hea ter
Ac tivating/deactivating ...................... .109
Seat ventilation
Ac tivating/deactivating ...................... .110
Second telephone .................................. .350
Connecting .......................................... 350
Fe atures .............................................. 350
Selecting a gear
see Changing gears Selector le
ver
see DIRECT SELECT le ver
Self-test Automatic front passenger front air‐
bag shutoff ............................................ 43
Sensors (Care) ........................................ .420
Service Menu (on-boa rdcompu ter) .................. 274
Service see ASS YST PLUS
Service centre see Qualified specialist workshop
Service inter val display
see AS SYST PLUS
Service station sear ch
St arting automatic sear ch................... 331
Setting a speed see Cruise control
Setting summer time .............................. 307
Setting the date form at .......................... 308
Setting the distance unit ........................ 312590
Index

To
ol
see Vehicle tool kit
To pTe ther .................................................. 62
To tal di stance .......................................... 275
Displ aying ............................................ 275
To uch Control .......................................... 298
On-board computer ............................. 271
Operating ............................................ 298
Setting the sensitivity .......................... 299
To uchpad .................................................. 299
Ac tivating/deactivating ha ptic oper‐
ation feedback .....................................3 01
Operating ............................................ 299
Re ading the handwriting recognition
aloud ................................................... 300
Selecting a station and track .............. .301
Setting the sensitivity .......................... 300
Switching on/off ................................. 299
To w- aw ay protection
Fu nction ................................................ 98
Priming/deactivating ............................. 99
To w- bar sy stem ...................................... .268
To w- starting ............................................. 444To
wing away ............................................ 440
To wing eye
Ins talling ............................................ .444
St orage location ..................................4 43
To wing me thods ...................................... 439
Tr ack
Selecting (audio mode) ....................... 383
Tr af fic announcements
Ac tivating/deactivating ...................... .395
Tr af fic information .................................. 337
Displaying the tra ffic map .................. .338
Displ aying traf fic incidents .................. 339
Extending a Live Traf fic Information
subscription ........................................ 338
Issuing hazard warnings ...................... 340
Live Traf fic Information ....................... 338
Overview ............................................. 337
Re gis tering Live Traf fic Information ..... 338
Tr af fic information service volume
increase
Setting ................................................ .395
Tr af fic map
see Map Tr
af fic Sign Assist .................................. .254
Fu nction/no tes ................................... 254
Setting .................................................2 55
Sy stem limitations ...............................2 54
Tr ailer hitch
Axle load ............................................. 488
Bicycle rack ......................................... 266
Ca re .................................................... 420
Coupling up/uncoupling a trailer ........ 264
Fa stening points ..................................4 86
Fo lding the ball neck out/in ................2 62
Gene ral no tes ...................................... 486
Mounting dimensions .......................... 486
No tes .................................................. 262
Overhang dimension ........................... 486
Soc ket ................................................. 264
To ngue weight .................................... .488
To wing capacity .................................. .487
Tr ailer operation
Ac tive Blind Spot Assi st....................... 257
Ac tive Lane Keeping Assist ................. 259
Bicycle rack ......................................... 266
Coupling up/uncoupling a trailer ........ 264
Fo lding the ball neck out/in ................2 62
No tes .................................................. 262 Index
595