engine MERCEDES-BENZ E-CLASS SEDAN 2018 Repair Manual

Displaymessages
Possible causes/consequences and MSolutions
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he batter yisnolonger being charge da nd theb atter ychar geleve list oo lo w.
* NO
TEPossible engine damag eifyou continue driving#Do no tcontin uedrivingu nder an ycircum stances.
#Consult aqualified specialis tworks hop.
#Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions .Donot
continu edriving under an ycircums tances.
#Switc hoffthee ngine.
#Consult aqualified specialis tworks hop.
#
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he batter ychar geleve list oo lo w.
#Pulloverand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions .Donot
continu edriving under an ycircums tances.
#Lea vethee ngine running.
#Wa it until thed ispla ymessag edisappear sbefor epulling away.
424
Displa ymessages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
4
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he engine oil le velh as dropped tothem inimum le vel.
* NO
TEEngine damage causedbydriving wit hinsuf ficient engine oil#Av oid long journe yswit hinsuf ficient engine oil.
#Chec kthe engine oil le velw hen next refueling.
To pupt he engine oil (
→page323).
No tesone ngine oil (
→page390).
8
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he fuel suppl yhas dropped int othe reser verange.
#Re fuel.
8
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her ehas been pressur eloss in thef uel sy stem. The fuel filler cap is no tclosed cor rectl yort he fuel sy stem is
leaking.
#Close thef uel filler cap.
#If th ef uel filler cap wasa lready proper lyclosed: consultaqualified specialis tworks hop.
?
*T hefanm otorisd efective.
#Avoiding high loads on thee ngine, driv eontothe neares tqualified specialis tworks hop. In doing so, ensur ethat
th ec oolant temp eratur edispla yremain sbelo wt he redm arking.
Displa ymessages and warning/indicator lamps 425

Displaymessages
Possible causes/consequences and MSolutions
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displa ymessage) *T
he SmartK eyis cur rently und etected.
#Chang ethe location of theS martK eyinthev ehicle.
#Ifth eS martK eyisstill no trecognized, star tt he engine wit hthe SmartK eyinthes towa ge compartment.
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he SmartK eycanno tbed etected and ma ynolonger be in thev ehicle.
The SmartK eyis no longer in thev ehicle and yous wit ch offt he engine:Ryo uc an no longe rstart thee ngine.
Ryouc anno tcentrall yloc kt he vehicle.
#Ensur ethat theS martK eyis in thev ehicle.
If th eS martK eydetection function hasam alfunction duetoastrongradio signal source:
#Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions.
#Place theS martK eyinthes towa ge compartment fors tartin gt he engine wit hthe SmartK ey.
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warning tone also sounds. Thi smessage reminds youtot akey our SmartK eywit hyou when youl eave thev ehicle.
430
Displa ymessages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
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he SmartK eydetection function is malfunctioning.
#Chang ethe location of theS martK eyinthev ehicle.
#Startt he vehicle wit hthe SmartK eyinthes towa ge compartment.
Vehicle
Displa ymessages
Possible causes/consequences and MSolutions
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Yo uh ave attem ptedtos hiftthe transmission out of position jand int oanother transmission position.
#Depress theb rake pedal.
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Yo uh ave attem ptedtos hiftthe transmission out of position jori intoa nother transmission position.
#Depress theb rake pedal.
#Startt he engine.
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The driver&#39;s door is no tfully closed and thet ransmission is in position k,iorh.
#Shif tthe transmission toposition jwhen youp arkt he vehicle.
Displa ymessages and warning/indicator lamps 431

Displaymessages
Possible causes/consequences and MSolutions
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he activ ehood (pedestrian pr otection) is malfunctioning or inoperativ eafter having already been triggered.
#Vi sit aq ualified specialis tworks hop.
M
*T he hood is open.
&
WARNING Risk of accident if thee ngine hood is unlatched while driving
An unloc kede ngin ehood ma yopen up when thev ehicle is in motion and bloc kyour vie w.
#Neveru nlatc hthe engine hood while driving.
#Befor eevery trip, ensur ethat thee ngine hood is latched.
#Pull overand stop thev ehicle safely as soon as possible.
#Close theh ood.
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*A tlea st one door is open.
#Close al ldoo rs.
436
Displaymessage sand warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
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*The trunk lid is open.
&
WARNING Risk ofexhaus tgas poisoning
Combustio nengines emit poisonous exhaus tgases suc hascarbon monoxide. Exhaus tgases can enter the
ve hicle interior if thet runk lid is open when thee ngine is running ,especially if thev ehicle is in motion.
#Alw ayss witc hoffthee ngine befor eopening thet runk lid.
#Ne verd rive wit hthe trunk lid open.
#Close thet runk lid.
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he cor responding seat backres toftherear bench seat is no tengaged.
#Foldthec orresponding seat backres tbacku ntil it engages.
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hewasher fluid le velint hewasher fluid reser voir has dropped belo wthe minimum.
#Topupt hewasher fluid.
Displa ymessages and warning/indicator lamps 437

Displaymessages
Possible causes/consequences and MSolutions
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he camer aviewisr estricted. Possible causes are:
Rdir tont he windshield in thec amera&#39;s field of vision
Rheavy rain, sno worfog
Driv ings ystems and driving saf etys ystems ma ybem alfunctioning or temp orarily una vailable.
Onc ethe cause of thep roblem is no longer present ,driving sy stems and driving saf etys ystems will become availa‐
ble again.
If th ed ispla ymessag edoes no tdisappear:
#Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions.
#Cleant he windshield.
Warning and indicator lamps
Overvie wofwarninga nd indicator lamps
Somesystems per form aself-tes twhen thei gni‐
tion is switched on. Some warning and indicator
lamps ma ybriefly light up or flash. This behav‐
iour is non-critical. Thesew arning and indicator
lamps indicat eamalfunction onl yiftheylight up
or flash af tert he engine is star tedord uring a
journe y.
440
Displ aymessage sand warning/indicator lamps

Instrument Display(standard)
Instrument Displa yintheWidescree nCock‐
pit
Prog ressiv esetting in theW idescreen Cock‐
pit
If yo us elect thep rogressiv edispla ysetting in
ve hicles wit haWidescreen Cockpit ,the posi‐
tions of thei ndicator lamps on theI nstrument
Displa ychange.
Wa rning and indicator lamps:
L Lo
wb eam (
→pag e114)
T Pa
rking lights(
→pag e114)
K High beam(
→pag
e115)
#! Tu
rn signal light (
→pag e115)
R Re
ar fogl ights (
→pag e114) ü
Seatb
elti sn otfast ened
(
→pag e450)
$ USA: brakes (red) (
→pag
e443)
J Canada: brakes (red) (
→pag
e443)
! ABS malfunction (
→pag
e443)
à AIR
BODY CONTROL malfunction
(
→pag e450)
÷ ESP
®(→page443)
å ESP
®OFF (→page443)
F USA: electric parking brak
eapplied
(red) (
→pag e443)
! Canada
:electric parking brake
applie d(red) (
→pag e443)
! Electric parking brak
e(yellow)
(
→pag e443)
Ð St
eering assis tance malfunction
(
→pa ge 451)
# Electrical
fault (
→pag e452)
6 Re
stra int sy stem (
→pag e443)
; Che
ckEngine (
→page 452)
Display message sand warning/indicator lamps 44
1

Seat belts
Warning/indicator lamp
Possible causes/consequences and MSolutions
7
Seat beltwarning lamp
lightsu p Af
tert he engine is star ted, ther ed seat belt warning lam plightsupf or six seconds.
In addition, an acoustic warning tone ma ysound.
The sea tbeltw arning lam premind sthe driver and front passenger tofast entheir seat belts.#Fa sten your seat belt.
If yo uh ave placed objects on thef ront passenger seat, thes eat belt warning lam pmayremain lit.
7
Seat belt warning lamp
fl ashes The
reds eat belt warning lam pflashes and an intermitte ntwa rning tone sounds.
The driver or front passenger hasn otfast ened their seat belt while thev ehicle is in motion.#Fasten your seat belt.
Ther eareobject sonthe front passenger seat.
#Remo vetheo bjects from thef ront passenger seat.
Driving sy stems
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
à
Suspensionwarning lamp The
yello wA IRBO DY CONTROL warning lam pison.
AI RB ODYC ONTROL is faulty.#Obser vethem essages on them ultifunction displa y.
450
Displa ymessages and warning/indicator lamps

Engine
Warning/indicator lamp
Possible causes/consequences and MSolutions
;
Engine diagnosiswarning
lamp The
yello wC heckEngine warning lam pislit while thee ngine is running.
Am alfunctio nhasoccurr ed inthee ngine, thee xhaust system or thef uel sy stem.
The emissions limit value ma yhave been exceeded and thee ngine ma yberunningine mergency operation mode.
In some states, legal requ irements stipulat ethat youm ustimmediatel yconsul taqualified specialis tworks hop as soon
as they ello wC heckEngine warning lam plightsu p.
#Have thev ehicle checkedass oon as possible at aqualified specialis tworks hop.
#
Electrical malfunction warn‐
ing lamp The
rede lectri calfault warning lam pislit.
Ther eisaf ault in thee lectrics.#Obser vethem essages in them ultifunction displa y.
8
Fuelreser vewarning lamp The
yello wf uel reser ve wa rning lam plightsupw hile driving.
Ther ehas been pressur eloss in thef uel sy stem. The fuel filler cap is no tclosed cor rectl yort he fuel sy stem is leaking.#Close thef uel filler cap.
If th ef uel filler cap has already been closed cor rectly:
#Visit aq ualified specialis tworks hop.
452
Displa ymessages and warning/indicator lamps