2018 MERCEDES-BENZ C-CLASS ESTATE check engine

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0024 Ye llow elect ric pa rking
brake indicator lamp is mal‐
functioning
004D
Brake sy stem warning lamp
(yellow) The
yellow brake sy stem warning lamp is lit while the engine is running. 000A
WARNING Risk of an accident due toa brake sy stem malfunction
If th e brake sy stem is malfunctioning, braking characteristics may be impaired. 0007
Drive on carefull y. 0007
Have the brake sy stem checked immediately at a qualified specialist workshop. 0007
Adjust your speed and continue todrive carefull y,leaving a suitable dis tance totheve hicle in front. 0007
Ifth e multifunction display sho wsa display message, please obse rveth is. 0007
Consult a qualified specialist workshop.
00E5 ESP ®
wa rning lamp flashes The
yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
At least one wheel and tyre assembly has reached its traction limit (0013 page 206). 0007
Adapt your driving style to suit thero ad and weather conditions. 550
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions 0007
Drive on carefull y. 0007
Only deactivate ESP ®
for as long as the situation requ ires.
If ESP ®
cannot be activated, ESP ®
is malfunctioning. 0007
Have ESP ®
ch ecked immediately at a qualified specialist workshop. 0007
Obser vethe no tes on deactivating ESP ®
(0013 page 206).
0075
Re stra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is faulty (0013 page31). 000A
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or might not
be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, forex ample. 0007
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. 0007
Drive on carefully. 0007
Obser vethe messages on the multifunction displa y. 0007
Consult a qualified specialist workshop immediatel y.552
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
Suspension warning lam pT here is a fault in theDY NA MIC BODY CONTROL. 0007
Obser vethe messages on the multifunction displa y.
L
Wa rning lamp for dis tance
wa rning function The
red dis tancewarning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed. 0007
Be prepared tobrake immediatel y. 0007
Increase the dis tance.
Fu nction of Active Brake Assi st .Engine
Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00B9 Engine diagnosis warning
lamp The
yellow engine diagno stics warning lamp is lit while the engine is running.
A malfunction has occu rred in the engine, theex haust sy stem or the fuel sy stem.
The emissions limit value may ha vebeen exceeded and the engine may be running in eme rgency operation mode. 0007
Have theve hicle checked as soon as possible at a qualified specialist workshop.
Ve hicles with a diesel engine: the fuel tank may ha vebeen run dr y. 554
Display messages 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. Displ
aymessa ges and warning/indicator lamps 555

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 page415). 0007
Makesure 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. 556
Displaymessa ges 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. 558
Display messa ges and warning/indicator lamps

Cof
fee cup symbol
see ATTENTION ASSIST
Collapsible spare wheel ..........................471
Inflating ............................................... 471
No tes ................................................... 471
COMAND Online see Multimedia sy stem
COMAND Touch
Managing devices ................................ 313
Combination switch ................................13 6
Combined luggage co ver and net
At tach ing tothere ar seat backrest ...... 11 8
Ins talling/ removing ............................. 11 8
Compass .................................................. 347
Compu ter
see On-board computer
Connection status
Displ aying ............................................ 376
Overview ..............................................3 76
Connectivity Swit ching transmission of theve hicle
position on/off .................................... 310Contacts
.................................................. .356
Calling up ............................................ 357
Deleting ............................................... 358
Downloading (from mobile phone) ....... 357
Importing ............................................ 358
Importing (o verview) ............................ 357
Information .......................................... 356
Making a call ...................................... .358
Na me form at ...................................... .357
Options ................................................ 358
St oring ................................................ 358
Controller Operating ............................................ 301
Con venience closing ................................. 88
Con venience opening ................................ 87
Coolant (engine) Check le vel .......................................... 41 5
No tes .................................................. 485
Cooling see Climate control
Co pyright ...................................................29
Cornering light ........................................ .138
Cross Traf fic Alert .................................. .253 Crosswind Assist
Function/no tes ................................... 209
Cruise control .......................................... 216
Ac tivating ............................................ .218
Buttons ................................................ 218
Calling up a speed .............................. .218
Deactivating ......................................... 218
Fu nction ............................................... 216
Re quirements ...................................... 218
Selecting .............................................. 218
Setting a speed .................................... 218
St oring a speed .................................... 218
Sy stem limitations ...............................2 16
Cup holder Rear .................................................... .126
Cup holder in the centre console
In stalling/removing ............................ .125
ins talling/ removing (auto matic
transmission) ....................................... 12 5 D
Damage de tection (pa rked vehicle) .......202
Dashboard see Cockpit 568
Index

Ad
aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .545
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .545
0099 AdBlue sy stem fault Engine
st art not possible ................................ 524
0099 AdBlue sy stem fault Perf.
re duced in XXX km See Owner's
Manual ................................................ 524
0099 AdBlue sy stem fault Perf.
re duced: XXX mph No start in XXX
miles .................................................... 524
0099 AdBlue sy stem fault See Own‐
er's Manual ........................................ .523
00B2Ad d 1 litre engine oil when next
re fuelling ............................................. 522
Apply brake todeselect Park (P)
position ...............................................5 26
Apply brake toselect R ....................... 528 00ADAT
TENTION ASSIST inoperative ...512
00AD ATTENTION ASSIS T:Take a
break! .................................................. 508
0049Au tomatic driving lights inoper‐
ative .................................................... 543
Au xilia rybattery malfunction .............. 526
0044Before starting the engine, turn
th esteering wheel. .............................. 528
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 506
Blind Spot Assist inope rative ............... 507
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...5 10
Brake immediately ............................... 492
Cannot start engine See Owner's
Manual ................................................ .518
00AF Changekey bat teries .................. 535
004DCheck brake fluid le vel................ 497
Check brake pads See Owner's Man‐
ual ...................................................... .505 00B2Che
ckeng. oil le v.when next
re fuelling ............................................. 522
00CAChe cktrailer hitch lo ck(white
display message) .................................5 37
Check tyre pressures then restart
Ru n Flat Indicator ................................ 533
0077Check tyre(s) ............................... 531
003AClean the fuel filter ...................... 516
Clutch overheated Avoid pulling away
fo r XX:XX mins ................................... .527
00AC Coolant Stop vehicle Switch
engine off ............................................. 51 8
Cruise cont rol and Limiter inope ra‐
tive ....................................................... 513
Cruise cont rol inope rative .................... 513
Cruise cont rol off ................................ .513
0025 currently una vailable See Own‐
er's Manual ........................................ .498
00E5cur rently una vailable See Own‐
er's Manual ........................................ .492 Index
571