2018 MERCEDES-BENZ E-CLASS SEDAN warning light

Non-operational times wit hthe batter ydis‐
connected
The AS SYST PLUS service inter vald isplay
can onl ycalculat ethe serviced uedate when
th eb attery is connected.
#Notedown thes ervice due dat edispla yedo n
th ei nstrument displa ybefor edisconnecting
th eb atter y(
→page319).
Engine co mpartment
Activ eh ood( pedestrian pr otection)
Operation of thea ctiv ehood (pedestrian pro‐
te ction)
In cer tain accident situations ,the risk of injury
to pedestrians can be reduced bythea ctuation
of thea ctiv ehood. The rear area of thee ngine
hood is raised byappr oximatel y85m m.
Fo rthe driv etotheworkshop, rese tthe trig‐
ge reda ctiv ehood yourself.Ift he activehood
has been triggered, pedestrian pr otection may
be limited. Aq
ualified specialis tworks hop mus tre-ins tate
th ef ull functionality of thea ctiv ehood.
The activ ehood is no tavailable in all countries.
Re setting thea ctiv ehood
&
WARNING Risk of burn sfromh otcom‐
ponent parts in thee ngine compartment
Cer tain component parts in thee ngine com‐
partmen tcan be very hot, e.g. thee ngine,
th ec ooler and parts of thee xhaust system.
#Le tthe engine cool down and only
to uc ht he component parts described
as follo ws .
#With your handf lat, push down activ ehood
1 inthea reaa round theh inges on bo th
sides (ar rows).
The hood mus tengag einp osition.
#Ifth ea ctiv ehood can be raised slightly at
th er ear in thea reaoft he hinges, repeat the
st ep until it engages cor rectl y.
Opening/closing theh ood
&
WARNING Risk of accident if thee ngine
hood is unlatched while driving
An unloc kede ngin ehood ma yopen up when
th ev ehicle is in motion and bloc kyour vie w.
#Neveru nlatc hthe engine hood while
driving.
#Befor eevery trip, ensur ethat the
engine hood is latched.
320 Maintenanc eand care

&WARNING Risk of injury from usingthe
windshield wiper swhile thee ngine hood
is open
When thee ngine hood is open and thew ind‐
shield wiper saresetinm otion ,you can be
trappe dbythe wiper linkage.
#Alw ayss witc hoffthew indshield wipers
and ignition befor eopening thee ngine
hood.
#To open: pull lever1 torelease thee ngine
hood.#Push hood catch 1upwards and lif tthe
hood byappr oximatel y15in( 40 cm).
#Toclose: lowe rthe hood and le titfall from a
height of appr oximatel y8in (20 cm).
#Ifth eh ood can still be lif teds lightl y,open
th eh ood again and close it wit halittle more
fo rc eu ntil it engages cor rectl y.
322
Maintenanc eand care

RThe blowerfor thev entilation/heating is
swit ched off.
RThe windshield wipe rswitchisinp osition
g.
RIn car washes wit haconveyo rs ystem: neu‐
tral iis engaged.
RThe SmartK eyis at adista nce of at least
10 ft(3 m) away from thev ehicle, otherwise
th et runk lid could open unintentionall y.
% If, af tert he car wash, your emo vethew ax
from thew indshield and wiper rubber ,this
will pr event smearing and reduce wiper
noise.
Information on using apowe rwasher
&
WARNING Risk of accident whe nusing
high-pressur ecleaning equipment wi th
ro und-s pray nozzles
The wate rjet from around-spr aynozzle( dirt
grinder) ma ycause damage totires and sus‐
pension components that is no tvisible.
Component sdamaged in this wa ym ayfail
unexpec tedly.
#Do no tuse high-pressur ecleaning
equipment wi thround-spr aynozzles to
clean your vehicle.
#Damaged tires or suspension compo‐
nentsm ustber eplaced immediatel y.
Toavo id damag etoyourvehicle, obser vethef ol‐
lowing when using apowerwa sher:
RKeep theS martK eyat leas t10ft(3m)a way
from thev ehicle. Otherwise thet runk lid
could open unintentionall y.
RMaintainadista nce of at leas t11.8i n
(30 cm) tothev ehicle.
RVehicles with deco rativ efoil: parts of your
ve hicle ar ecove redw ithad ecorativ efoil.
Maintain adista nce of at leas t27.6i n
(70 cm) between thef oil-co veredp arts of the
ve hicle and then ozzle of theh igh pressure
cleaner .Move thep owe rwashern ozzle
around whils tcleaning.
RObser vethei nformation on thec orrect dis‐
ta nce in thee quipment manufacturer's oper‐
ating instructions.
RDo no tpoint then ozzle of thep owerwa sher
directl yatsensitiv eparts suc hastires, slits,
electrical component parts, batteries, light
sources and ventilation slot s.
Washing the vehicl ebyh and
Observethel egal requirements, e.g. in anumber
of countries, washing byhand is onl ypermitted
in specially designated wash ba ys.
#Use amild cleaning agent, e.g. car shampoo.
#Washthev ehicle wit hlukewa rmwate rusing
as oftc ar sponge. When doing so, do not
ex pose thev ehicle todirect sunlight.
#Carefully hose thev ehicle of fwithw ater and
dr yu sing achamois. Take car enot to point
th ew ater je tdirectl ytow ards thea ir inlet
grille.
Maintenanc eand care 327

Notesonc areoft he interior
&
WARNING Risk of injury from plastic
parts breakin goffafte rt he use of sol‐
ve nt-based car eprodu cts
Ca reand cleanin gproducts con tainin gsol‐
ve nts can cause surf aces inthec ockpit to
become porous.
When thea irbags ar edeplo yed, plastic parts
ma ybreak away.
#Do no tuse anyc areorc leaning prod‐
ucts containing sol vents toclean the
cockpit.
& WARNING Risk of injury or deathfrom
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, fore xamp le, caus eseat beltst o
te ar or fail in an accident.
#Ne verb leach or dyeseat belts.
Obser vethef ollowing information:
Information on cleaning and car eAvoiding vehicl edamage
Seat belts Clean withwarmw ater ands oap solution.
RDo notuse chemical cleanin gagents.
RDo no tdryseat belts byheating them toove r176 °F
(80 °C) or exposing them todirect sunlight.
Display Cleanthes urface carefully wi tham icro fiber clo thand
TFT/LCD displa ycleaner.
RSwit chofft he displa yand allo wtocool.
RDo notuse anyo ther cleaning products.
Plastic trim
RCleanw ithad ampm icrofiber clo th.
RIfth et rimisv eryd irty: use acleanin gagent recommen‐
ded byMercedes-Benz.
RDo no tappl ystickers,f ilms etc.
RDo no tallow cosmetics, insect repellent or sun cream to
come in contact wi th theplastic trim.
Maintenanc eand care 331

#When givingstartin gassis tance, al ways
mak esuret hat youo nly connec tbat‐
te ry term inals wit hidentical polarity.
#During startin gassis tance, youm ust
observ ethe described order forc on‐
necting and disconnecting thej umper
cables.
#Do no tconnect or disconnect theb at‐
te ry cla mp sw hile thee ngine is running.
&
WARNING Risk ofexplosion during
ch argingp rocess and startin gassis tance
During thec harging process and starting
assis tance, theb atter ymayrelease an explo‐
siv eg as mixture.
#Avoid fire ,o pen flames,c reating spar ks
and smoking.
#Mak esuret hat ther eiss ufficient venti‐
latio ndurin gthe chargingp rocess and
during startin gassis tance.
#Do no tlea no verab atter y.
Ifth ei ndicator/warning lamps in thei nstrument
clus terdon otlight up at lo wtemperatures, it is
ve ry likel ythat thed ischar gedb atter yhas fro‐
zen.
& WARNING Risk ofexplosion from afro‐
zen battery
Ad ischar gedb atter ymayfreeze at temp era‐
tures slightl yabove or belo wfreezing point.
During startin gassis tance or batter ycharg‐
ing, batter ygas ma ybereleased.
#Alwayst hawaf roze nb atte ryout firs t
befor echarging it or per form ing start‐
ing assis tance.
The service li feof ab atter ythat has been
th awe dmaybe dramaticall yshor tened.
It is recommended that youh ave athawe db at‐
te ry checkedataq ualified specialis tworks hop. All
vehicles
* NO
TEDama gecaused bynumerouso r
ex tende dattem ptstos tart thee ngine
Nume rous or extende dattem ptstos tart the
engine ma ydamag ethe catalytic con verter
due tonon-combu sted fuel.
#Av oid numerous and extende dattem pts
to star tt he engine.
Obser vethef ollowing points during starting
assis tance and when chargingt he battery:
ROnlyuse undamaged jumper/charging
cables wit hasufficient cross-section and
insula tedt erminal clamps.
RNon- insulated parts of thet erminal clamps
mus tnotcom eintoc ontact wi thother me tal
parts while thej umper/charging cable is
connected totheb attery/jump-s tart connec‐
tion point.
RThe jumper/charging cable mus tnotcome
int oc ontact wi thanyp arts whic hmaymo ve
when thee ngine is running.
Breakdown assist ance34
3

RImpaireddriving comfort
RSusceptibility todamage
&
WARNING Risk of accident caused by
re peated drop in tir epressure
If th et irep ressur edrops repeatedly ,the
wheel, valveort irem aybe damaged.
Insuf ficient tir epressur ecan cause thet ires
to bur st.
#Inspect thet iref or signs of fore ign
objects.
#Chec kwhether thew heel or valveh as a
leak.
#If yo ua reunab leto rectify thed amage,
conta ctaq ualified specialis tworks hop.
Yo uc an find informatio nontirep ressures for
th ev ehicle's factor y-ins talled tires on thef ollow‐
ing labels:
RTi re and Loading Info rmatio nplacar dont he
B‑pi llarofyour vehicle (→pag e361).
RTire pressur etable on thei nside of thef uel
fi ller flap (→pag e357). Observ
ethe maximum tir epressure
(
→pag e369).
Use asuitable pressur egaug etoc heckthe tire
pressure. The outer appearance of atired oes
no tp ermit an yreliable conclusion about thet ire
pressure.
Ve hicles with atirep ressur emonitoring sys‐
te m: Youc an also checkt he tir epressur eusing
th eo n-board computer.
Onl ycorrect tir epressures whe nthe tires are
cold. Conditions forc old tires:
RThe vehicle has been par kedw itht he tires
out of direct sunlight foratl east thre eh ours.
RThe vehicle has tr aveled less than 1m ile
(1.6 km).
Ar ise in thet iret emperatur eof18°F( 10°C)
increases thet irep ressur ebya pprox.10k Pa
(0. 1b ar/1.5 psi). Take this int oaccount when
ch ecking thet irep ressur eofw armt ires.
The tir epressures recommended fori ncreased
load/speedint he tirepressur etable can af fect
th er ide comfort.
&
WARNING Risk of accident from unsuita‐
blea ccessori es onthet irev alves
If yo um ountunsuitable accessories onto tire
va lves, thet irev alves ma ybeoverloaded and
malfunction, whic hcan cause tir epressure
loss. Tire pressur emonitoring sy stems for
re trofitting will cause thet irev alvetor emain
open .This can als oresult in tir epressure
loss.
#Onl yscrew standar dvalvec aps or valve
cap sspecifically appr ovedby
Mercedes-Benzf oryour vehicle onto
th et irev alve.
Tire pressur etable
The tir epressur etable is on thei nside of the
fuel filler flap.
% The dat ashown in thei mages is example
data.
Wheels and tires 357

Further related subjects:
RNo tesont irep ressur e(→page356)
RTire pressur etable (→pag e357)
RTire and Loading Info rmatio nplacard
(→pag e361)
Tire pressur emonitoring sy stem
Fu nction of thet irep ressur emonitoring sys‐
te m
&
DANG ER Risk of accidentd uetoincor‐
re ct tir epressure
Ever ytire, including thes par e(if pr ovided),
should be checkedw hen cold at leas toncea
mont hand inflated tothep ressur erecom‐
mended bythev ehicle manufacturer (see
Ti re and Loading Info rmatio nplacar dont he
B-pi llaronthed rive r’ss ide or thet irep res‐
sur elabel on thei nside of thef uel filler flap
of your vehicle). If your vehicle has tires of a
dif fere nt size than thes ize indicated on the
Ti re and Loading Info rmatio nplacar dort he
tirep ressur etable, youn eedtod etermine
th ep roper tir epressur efor those tires.
As an added saf etyf eature, your vehicle has
been equipped wit hatirep ressur emonitor‐
ing sy stem (TPMS) that illuminates alow tire
pressur eindicator lam pwhen oneorm oreo f
yo ur tires ar esignif icantl yunderinflated.
Ac cordingly ,ifthe lo wtirep ressur eindicator
lam plights up, yous hould stop and check
yo ur tires as soonasp ossible, and inflate
th em tothep roper pressure. Driving on a
significantly underinflated tir ecauses thet ire
to ove rheat and can lead totiref ailure.
Und erinflation also increases fuel consump‐
tion and reduces tir etread life, and may
af fect thev ehicle's handling and braking abil‐
ity .P lease no tethat theT PMS is no tasubsti‐
tut efor proper tir emaintenance, and it is the
driver's responsibility tomaintain cor rect tire
pressure, evenifu nderinflatio nhasnot
re ached thel evel to trig gerillumination of
th eT PMS lo wtirep ressur eindicator lamp.
Yo ur vehicle has also been equipped wit ha
TPMS malfunction indicator toindicat ewhenthes ystemisn otoperating properly .The
TPMS malfunction indicator is combined with
th el ow tirep ressur eindicator lamp. When
th es ystemd etects amalfunction, thei ndica‐
to rlamp willf lashfora pproxima tely am inute
and then remain continuously illumina ted.
This sequence will continue upon subsequent
ve hicle start-ups as longast he malfunction
ex ists.
When them alfunction indicator is illumina‐
te d, thes ystem ma ynotbe able todetect or
signal lo wtirep ressur easi ntended. TPMS
malfunctions ma yoccurf orav ariety of rea‐
sons, includingt he installation of incompati‐
ble replacementora lternatetires or wheels
on thev ehicle that pr eventtheT PMS from
functioning properly.
Alw aysc hec kthe TPMS malfunction warning
lam pafter replacing one or mor etires or
wheels on your vehicle toensur ethat the
re placemen toralternat etires and wheels
allo wthe TPMS tocontinu etofunction prop‐
er ly.
Wheels and tires 359

Coolantfilling capacity
Model Capacity
All models 12.7 US qt (12.0 l)
Note sonw indshield washer fluid
Obser vethen otes on operating fluids
(→pag e388).
&
WARNING ‑Riskoff irea nd injur yfrom
windshield washer concentrate
Wi ndshield washer concentrat eishighly
fl ammable. It coul dignit eifitc omes into
con tact wi thhote ngine component parts or
th ee xhaust system.
#Mak esuret hat no windshield washer
concentrat espills out next tothef iller
opening.
* NO
TEDama getothee xterio rlighting
due tounsuit ablewindshield washer fluid
Uns uitable windshield washer fluid ma ydam‐
ag et he plastic sur face of thee xterio rlight‐
ing.
#Onl yuse windshield washer fluid which
is also suitable foru se on plast ic surfa‐
ces, e.g. MB SummerFitorMBW inter‐
Fit.
* NO
TEBlocked spr aynozzles caused by
mixing windshieldw asherfluids
#Do notmixMB SummerFit and MB Win‐
te rFit wit hother windshield washer flu‐
ids.
Do no tuse distilled or de-ionize dwater as thef ill
le ve ls ensor ma ybetriggered er roneously.
Re commended windshield washer fluid:
RAbo vefreezing point :e.g. MB SummerFit
RBelo wfreezing point :e.g. MB WinterFit Fo
rthe cor rect mixing ratio refertot he informa‐
tion on thea ntif reeze conta iner.
Mix thew asherf luid wit hthe windshield washer
fl uid all year round.
Re frigerant
Note sonr efrigerants
Obser vethen otes on operating fluids
(
→pag e388).
* NO
TEDama gedue toincor rect refriger‐
ant
If an on-appr ovedrefrigerant is used, thec li‐
mat econtrol sy stem ma ybedamaged.
#Onlyusether efrigerant R‑134a
* NO
TEDama getothec limat econtrol
sy stem due toincor rect refrigerant com‐
pressor oil
#Onl yuserefrigerant compressor oil that
has been appr ovedbyM ercedes-Benz.
Tech nica ldata 39
3