fuel MERCEDES-BENZ E-CLASS COUPE 2018 Workshop Manual

Display messages
Possible causes/consequences and M
MSolutions
4 Check eng. oil lev. when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Check the engine oil le vel when next refuelling.
To p up the engine oil (→ page 405).
No tes on engine oil (→ page471). Exhaus
tga s af tertre atment Display messages
Possible causes/consequences and M MSolutions
Ø Refill AdBlue See Owner’s
Manual *
The AdBlue ®
leve l has fallen below there ser verange. #
Top up AdBlue ®
immediately (→ page 179).
Ø *
The AdBlue ®
tank is em pty. Yo u can no lon gerst art the engine. #
Top up at least 4.5 l of AdBlue ®
(→ page 179). 51 0
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Let fresh air into the vehi-
cle interior! Air condition-
ing malf. Visit workshop &
WARNING Risk of inju ryand accident due toan insuf ficient supply of fresh air
If th e climate control sy stem is malfunctioning, carbon dioxide le vels may inc rease in the passenger compart‐
ment. Breathing in carbon dioxide may cause dizziness. #
Open the window toensure that there is a suf ficient supply of fresh ai r. #
Open the window toensure that there is an adequate supply of fresh air. #
Consult a qualified specialist workshop immediatel y.
&
inoperative See Owner's
Man. *T
hestationary heater is temp orarily malfunctioning. #
When theve hicle is on a le vel sur face and the engine has cooled down, make up tofour attem ptsto switch on
th est ationary heater, waiting se veral minutes between each attem pt. #
Ifth est ationary heater does not swit chon, consult a qualified specialist workshop.
&
inoperative Refuel vehicle *T
here is too little fuel in the fuel tank. The stationary heater cannot be swit ched on. #
Refuel theve hicle.
&
inoperative Battery low *T
he on-board electrical sy stem voltage is too lo w.
The stationary heater has swit ched itself off. #
Drive for an extended pe riod until the battery has reached a suf ficient charge leve l again. Display messages and
warning/indicator lamps 527

Ð
Po
we r-assis tedsteering malfunction
(→ page 543)
à AIR BODY
CONTROL malfunction
(→ page 538)
à DY
NA MIC BODY CONTROL malfunc‐
tion (→ page 538) ;
Engine diagnostics (→
page 539)
% Preglow
# Electrical
fault( →page 539)
8 Fu
elreser vewith fuel filler cap loca‐
tion indicator (→ page 539) ?
Coolant
too hot/cold (→ page 539)
h Ty
re pressure monitor (→ page541)
ï Tr
ailer hit chis not operational or is
swivelling (→ page543) Sa
fet y sy stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
! Re d indicator lamp, elect ric
parking brake applied
!
Ye llow elect ric pa rking
brake indicator lamp is mal‐
functioning The
red elect ric pa rking brake indicator lamp flashes or is lit. The yellow indicator lamp is also lit if the electric parking
brake malfunctions. #
Obser vethe messages on the multifunction displa y.532
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Incre asethe dis tance.
Fu nction of Active Brake Assi st . Engine
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
; 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. #
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. #
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.
# Elect rical fault warning
lamp The
red elect rical fault warning lamp is lit.
There is a fault in the electrics. #
Obser vethe messages on the multifunction displa y. Displ
aymessa ges and warning/indicator lamps 539

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
8 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. #
Refuel.
?
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. &
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. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
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. 540
Displaymessa ges and warning/indicator lamps

Ac
tive Lane Keeping Assist .................... 250
Ac tivating/deactivating ...................... .252
Fu nction .............................................. 250
Sy stem limitations ...............................2 50
Ac tive Parking Assist .............................. 232
Cross Traf fic Alert ................................ 24 2
Drive AwayAssi st................................ 24 2
Exiting a pa rking space ...................... .235
Fu nction .............................................. 232
Manoeuvring assi stance ...................... 24 3
Pa rking ................................................ 233
Sy stem limitations ...............................2 32
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 208
Display ................................................ 208
Fu nction .............................................. 208
Ac tive Steering Assist ............................ .211
Ac tivating/deactivating ...................... .213
Ac tive Emergency Stop Assist .............. 214
Ac tive Lane Change Assi st................... 213
Displ ays in the instrument display .......2 15
Fu nction ............................................... 211
Sy stem limitations ...............................2 11Ad
aptive brake lights .............................. 201
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 13 3
Switching on/off ................................. 13 4
Ad Blue ®
.................................................... 470
Ad ditives .............................................. 470
Capacity .............................................. 470
Fill le vel .............................................. .265
No tes ................................................... 178
Purity ................................................... 470
Ra nge .................................................. 265
To pping up ...........................................1 79
Ad ditional door lo ck.................................. 75
Ad ditional value range
Setting display content ........................ 263
Ad diti ves.................................................. 471
Ad Blue ®
............................................... 470
Engine oil ............................................. 471
Fu el ..................................................... 468 Ad
diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing the balance/ fader
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 399
Burmes ter®
sur round sound sy stem ... 398
Ad justing the bass, mid- range and
treble
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 399
Ad justing the mid- range, treble and
bass
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 399
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 398 546
Index

Ad
aptive Highbeam Assist Plus inop‐
erative ................................................ .530
¯ AdBlue sy stem fault Engine
st art not possible ................................ .512
¯ AdBlue sy stem fault Perf.
re duced in XXX km See Owner's
Manual .................................................5 11
¯ AdBlue sy stem fault Perf.
re duced: XXX mph No start in XXX
miles .................................................... 511
¯ AdBlue sy stem fault See Own‐
er's Manual .......................................... 511
4 Add 1 litre engine oil when next
re fuelling ............................................. 509
Air conditioning Malfunction See
Owner's Manual .................................. 526
Apply brake todeselect Park (P)
position ................................................ 513
App lybrake toselect R ........................ 514
À ATTENTION ASSIST inoperative ... 498ÀAT
TENTION ASSIS T:Take a
break! .................................................. 495
bAu tomatic driving lights inoper‐
ative .................................................... 529
Au xilia rybattery malfunction ...............514
Beginning eme rgency stop .................. 490
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 501
Blind Spot Assist inope rative ............... 494
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 97
Cann otstart engine See Owner's
Manual ................................................ 505
ÁChan gekey bat teries .................. 520
JCheck brake fluid le vel................ 483
Check brake pads See Owner's Man‐
ual ...................................................... .493
4Che ckeng. oil le v.when next
re fuelling .............................................. 51 0ï
Check trailer hit chlock (white
display message) ................................ .525
Che cktyre pressu resth en restart
Ru n Flat Indicator ................................. 519
h Check tyre(s) .............................. .516
! Clean the fuel filter .................... .503
?Coolant Stop vehicle Switch
engine off ............................................ 505
Cruise contro l and Limiter inope ra‐
tive ...................................................... 500
Cruise control inope rative ................... 500
Cruise control off ................................ 500
!cu rrently unavailable See Own‐
er's Manual ........................................ .485
÷cur rently una vailable See Own‐
er's Manual .......................................... 479
5 Engine oil le vel cannot be
measured ............................................ 507
4Engine oil le velRe duce oil le vel...5 08 556
Index

4Engine oil le
velSt op vehicle
Switch engine off ................................ 508
4Engine oil pressure Stop Switch
off engine ............................................ 509
6Example: Left windowbag mal‐
function Consult workshop ................. 487
Fa ult Drive at max. 80 km/h ...............497
6 Front left malfunction Consult
wo rkshop (Example) ............................4 91
_ Front left seat backrest not
loc ked (Example) .................................5 22
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 89
Fr ont-passenger airbag enabled See
Owner's Manual ..................................4 88
b Hazard warning lamps mal‐
functioning .......................................... 529
&inoperative Bat tery low .............. .527
& inope rative Refuel vehicle ........... 527
&inoperative See Owner's Man. ....527 !
inope rative See Owner's Man‐
ual ....................................................... 486
÷inoperati veSee Owner's Man‐
ual ....................................................... 486
Tinoperati veSee Owner's Man‐
ual ....................................................... 483
GInoperati ve.................................. 490
bIntelli gent Light Sy stem inoper‐
ative ....................................................5 28
ÁKe y not de tected (red displ ay
messa ge).............................................5 19
Á Key not de tected (white dis‐
pl ay messa ge).....................................5 20
bLeft dipped beam (Example) ....... 528
6Left wind owbag malfunction
Consult workshop (Example) ............... 487
Let fresh air into theve hicle interior!
Air conditioning malf. Visit workshop .. 526
Limiter inoperative .............................. 500
Limiter passive .................................... 501 ¢
Lowe ring .................................... 498
bMalfunction See Owner's Man‐
ual ....................................................... 529
ðMaximum speed exceeded ..........5 01
Mercedes me connect Services limi‐
te d See Owner's Manual .....................490
Mo tor can be star ted again .................5 05
N permanently active Risk of vehicle
ro lling .................................................. .513
ç Off............................................... 499
ëOff ............................................... 496
Only select Park (P) when vehicle is
st ationary ............................................ .514
ï Operation only possible in
transmission position N ....................... 522
ïOperation only possible in
transmission position P ....................... 522
!Pa rking brake See Owner's
Manual ................................................ 480 Index
557

ÁPlace
theke y in the mar ked
space See Owner's Manual ................. 520
KPlease check direction of tr avel ...... 491
Please reduce speed ...........................4 93
ÛPlease wait Charging high- volt‐
age battery .......................................... 506
PRE- SAFE inoperati veSee Owner's
Manual ................................................ 490
Ra dar sensors dirty See Owner's
Manual ................................................ 484
_Re ar left seat backrest not
loc ked (Example) .................................5 22
hRe ctify tyre pressure ....................517
Re duce speed ...................................... 51 8
Ø Refill Ad Blue Eng. start not pos‐
sible .................................................... .510
Ø Refill Ad Blue See Owne r’s Man‐
ual ........................................................ 51 0
! Release parking brake .................482
¸Re place air cleaner .....................504ÀRe
placekey See Owner's Man‐
ual ...................................................... .521
Á Replace key ................................ .520
8Re servefuel le vel........................ 507
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 492
Re versing not poss. Consult work‐
shop ..................................................... 514
Risk of vehicle rolling Driver door
open and transmission not in P ............514
Ru n Flat Indicator inope rative .............. 519
# See Owner's Manual ................... 503
Speed limit (winter tyres) XXX km/h ... 501
ÐSt eering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 523
ÐSt eering malfunction Stop
immediately See Owner's Manual .......523
St op vehicle Lea veengine running
Wa itTransmission cooling ....................513#
Stop vehicle Lea veengine run‐
ning ..................................................... 504
#St opvehicle See Owner's Man‐
ual .......................................................5 04
ÉSt opvehicle Vehicle too low ........ 497
çsuspended ..................................4 99
bSwitch off lights .......................... 528
bSwitch on headla mps.................. 529
To shift out of P or N,depress brake
and start engine .................................. .513
Ø Top up AdBlue Perf.re duced in
XXX miles See Owner's Manual ...........512
Ø Top up AdBlue Perf.re duced:
XXX km/h Nostart in XXX km .............512
To p up coolant See Owner ’sManual ... 503
¥To p upwasher fluid .................... .525
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 496
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 496558
Index

Quality (petrol) ..................................... 467
Re fuelling ............................................. 175
Sulphur content ................................... 467
Ta nk content ....................................... 469
Fu el consum ption
On-board computer ............................ .266
Fu nction seat
see Door cont rol panel
Fu ses ........................................................ 437
Before replacing a fuse ........................ 437
Fu se assignment diagram .................... 437
Fu se box in the boot ............................4 39
Fu se box in the engine compartment .. 438
Fu se box in the front passenger foot‐
we ll ...................................................... 439
Fu se box on the dashboard ................. 439
No tes ................................................... 437 G
Garage door opener Cleari ngthe memory ........................... 185
Opening or closing the door ................1 84
Programming buttons .......................... 182
Ra dio equipment appr oval numbers .... 185Re
solving problems ............................. 184
Synchronising thero lling code ............ 183
Gearshift recommendation ....................173
Genera l operating permit number
(EU) .......................................................... .463
Genuine parts ............................................ 20
Glide mode ............................................... 174
Glo vebox
Air vent ................................................ 15 6
Locking/unlocking ...............................1 15 H
Handbrake see Electric parking brake
Handling characteristics (unusual) ........441
HANDS-FREE ACCESS ................................ 83
Haza rdwa rning lights ............................ .131
HD prog rammes
see CI+ module
Head le vel heating (AIRSCARF) ..............108
Head restra int
Fr ont (adjusting mechanically) .............1 02Re
ar (adjusting) .................................. .104
Head-up display ....................................... 271
Ad justing display elements (on-board
compu ter) ............................................ 271
Ad justing the brightness (on-board
computer) ............................................ 271
Fu nction .............................................. 272
Menu (on-board computer) .................. 271
Operating the memory function ........... 11 2
Setting the position (on-board com‐
puter) ................................................... 271
Switching on/off ................................. 273
Headlamp flasher ................................... .130
Heating see Clima tecontrol
High beam Adaptive Highbeam Assist Plus .......... .133
Switching on/off ................................. 13 0
High-pressure cleaner (care) ................. 409
Hill Start Assist ........................................ 216
HOLD function ......................................... 217
Fu nction/no tes .................................... 217
Switching on/off .................................. 217 Index
563