2017 MERCEDES-BENZ E-Class SEDAN engine

&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
engine hood appr oximatel y15in( 40 cm).
#Toclose: lowe rthe engine hood and le titfall
wit hal ittle momentum from aheight of
appr oximatel y8in (20 cm).
#Ifth ee ngine hood can still be lif teds lightl y,
open thee ngine hood again and close it with
al ittle mor eforce until it engages cor rectly.
280
Maintenance and care

Engine oil
Checkingthee ngine oil le velu sing theo il
dip stick
&
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 .
Depending on thee ngine, theo il dipstic kmaybe
ins talled in thee ngine compartmen tindiffe re nt
locations.
Wa itin gtimeb efor echecking theo il le vel:
REngine at normal operatin gtemperature: five
minutes.
REngine no tatnormal operating temp erature
(e.g. thee ngine waso nly star tedb rief ly): 30
minutes.
#Pa rk thev ehicle on aflat sur face.
#Re mo veoil dipstick 1and wipe off.
#Slowl yslide oil dipstick 1intot he guide
tube tothes top, and take it out again af ter
appr oximatel ythree seconds.
ROil le velisc orrect:o il le velisb etwe en 2
and 3.
ROil le veltoo low: oil le velisa t3 or
belo w.
#Ifth eo il le velist oo lo w,add 1.1USq t(1l)o f
engine oil.
To pping up engine oil
&
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 .
&
WARNING Risk offire and injur yfrom
engine oil
If engine oil comes int ocontact wi thhot
component parts in thee ngine compart‐
ment ,itmayignite.
#Mak esuret hat no engine oil is spilled
next tothef iller opening.
Maintenance and care 281

#Allow thee ngine tocool of fand thor‐
oughl yclean thee ngine oil from compo‐
nen tparts befor estartin gt he vehicle.
* NO
TEEngine damag ecaused byan
incor rect oil filter ,incor rect oil or addi‐
tives
#Do no tuse engine oil soroilfilters
whic hdon otcor respond tothes pecifi‐
cation sexplicit lyprescribed fort he
service inter vals.
#Do no talter thee ngine oil or oil filter in
order toachie velonger chang einter vals
th an prescri bed.
#Do notuse additives.
#Followt he instructions in thes ervice
inter vald ispla yregarding theo il
ch ange.
* NO
TEDama gecaused bytopping up too
muc hengine oil
Topping up toom uche ngine oil can cause
damag etothe engine or thec atalytic con‐
ve rter.
#Ha ve excess engine oil siphonedo ffat
aq ualified specialis tworks hop.
#Tu rn cap 1counter-clockwise and remo ve
it.
#Ad de ngin eoil.
#Replace cap 1and tur nitclockwise as far
as it will go.
#Chec kthe oil le vela ga in (→pag e281).
Checking coolant le vel
&
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 .
&
WARNING Danger of burn sfromh ot
coolant
The engine cooling sy stem is pressurized,
particularly when thee ngine is warm.Ify ou
282
Maintenance and care

openthec ap, youc ould be scalded byhot
coolant spr aying out.
#Le tthe mo torc ool down befor eopening
th ec ap.
#When opening thec ap, wearglove sand
pr otectiv eeyewe ar.
#Slowl yturnt he cap half aturntoa llow
pressur etoescape.
#Park thev ehicle on aflat sur face.
#Chec kthe coolant temp eratur edispla yint he
instrument clus ter.
The coolant temp eratur emustbeb elow
15 8°F( 70 °C).
#Slowly tur ncap 1 counter-clockwise to
re lie ve ove rpressure.
#Continue turning cap 1counter-clockwise
and remo veit.
The coolan tleve lisc orrect:
RIfth ee ngine is cold, up tomar kerb ar2
RIfth ee ngine is warm,upt o0.6 in (1.5 cm)
ove rmarke rb ar2
#If necessar y,add coolant that has been tes‐
te da nd appr ovedbyM ercedes-Benz.
RFurther information on coolant (→pag e347)
Re filling thew indshield washer sy stem
&
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 .
&
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.
Maintenance and care 283

It isrecommended that youh ave thet hawe d
batter ychec kedataq ualified specialis twork‐
shop.
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 cables/charg‐
ing cables wit hanadequat ecross-section
and insulated term inal clamps.
RNon- insulated parts of thet erminal clamps
mus tnotcom eintoc ontact wi thother me tal
parts while thej umper cables/charging
cables ar econnected totheb atter yort he
jump-s tart connection point.
RThe jumper cables/charg ing cables mustnot
com eintoc ontac twitha nyparts whic hmay
mo vewhen thee ngine is running.
RAlw aysm akes uret hat neither youn orthe
batter yareelect rostaticall ycharged.
RKeep away from fire and open flames.
RDo no tlean overthe batter y.
RWhencharging: onlyuse batter ychar gers
te sted and appr ovedbyM ercedes-Benza nd
re ad theb atter ycharger's operating instruc‐
tions befor echarging theb atter y.
Obser vethea dditional following point sduring
st artin gassis tance:
RSt artin gassis tance ma yonly be pr ovided
using batteries wit hanominal voltag eof1 2
V.
RThe vehicles mus tnot to uch.
RGasoline engine: Onlyaccep tstartin ga ssis‐
ta nce if thee ngine and exhaus tsystema re
cold.
#Secur ethe vehicle byapplying thee lectric
parking brake.
#Au tomatic transmission: Shiftthet rans‐
mission toposition B.
#Makesuret hat thei gnition and all electrical
consumer sareswitched off.
#Open thee ngine hood.
#Slide co ver1 of positiv eterminal 2onthe
jump-s tarting connection point in thed irec‐
tion of thea rrow .
Breakdown assis tance 303

#Connect positiveterminal 2onyour vehicle
to thep ositiv epole of thed onor battery
using thej umper cable/charging cable.
Alw aysb egin wit hpositiv eclamp 2onyour
ow nv ehicle firs t.
#Du ring thes tarting assistance proce ‐
du re:st ar tt he engine of thed onor vehicle
and runati dles peed.
#Connect then egativ epole of thed onor vehi‐
cle and ground point 3ofyour ow nv ehicle
by usingt he jumper cable/charging cable.
Begin wit hthe donor batter yfirst .
#Du ring starting assist ance:star tt he
engine of your ow nv ehicle.
#During thec hargingp roce ss: star tt he
ch argingp rocess.
#During starting assist ance:lett he engines
ru nf or se veralm inutes.
#During starting assist ance:beforediscon‐
necting thej umper cables, switc honanelec‐
trical consumer on your ow nv ehicle, e.g. the
re ar wind owheater or thel ighting. When
thes tartin ga ssis tance/charging process
is compl ete:
#Fir st,r emo vethej umper cables/charging
cables from ground point 3and then ega‐
tiv ep ole of thed onor batter y,then from pos‐
itiv eterminal 2and thep ositiv epole of the
donor batter y.Begi neacht imew itht he con‐
ta cts on your ow nv ehicle firs t.
#Af terr emoving thej umper cables/charging
cables, close co ver1 of positiv eterminal
2.
Yo uc an obtain fur ther information on starting
assis tance at an yqualified specialis tworks hop.
To ws tarting or towing away
Towing away thev ehicle
Mercedes-Ben zrecommends transportin gyour
ve hicle in thec ase of abreakdown, rath er than
to wing it away. *
NO
TEDama getothev ehicle due to tow‐
ing away incor rectly
#Obser vethei nstruction sand no teso n
to wing away.
Pe rm itted towing me thods
RVe hicles wit htransmission damag emustb e
transpor ted(→pag e306).
RVehicles with automatic transmission:
onl yw ithb otha xlesont he ground.
R4MATIC vehicles: only wit hbotha xleso n
th eg round.
&
WARNING Risk of accident duetol imi‐
te ds afet y-re lated function sduring the
to wing process
Saf ety-re lated function sarelimited or no lon‐
ge ra vailable in thef ollowing situations:
Rthei gnition is switched off.
Rtheb rake system or po wersteering sys‐
te mism alfunctioning.
304
Breakdown assi stance

*NO
TEDama getothed rive trai ndueto
incor rect positioning
#Do no tposition thev ehicle abo vethe
connection point of thet ranspor tvehi‐
cle.
Installing thet ow ing eye
%
The towing eyeisp artoft hevehicle tool kit.
#Press them arkonc over 1 inwa rdsa nd
re mo ve.
#Scr ew inthet ow ing eye clockwise tothe
st op.
% Mak esuret hat co ver1 engages in the
bumper when your emo vethet ow ing eye. *
NO
TEDama gedue toincor rect us eof
th et ow ing eye
When atow ing eyeisu sedtoreco verav ehi‐
cle, thev ehicle ma ybedamaged in thep roc‐
ess.
#Onl yusethet ow ing eyetot owaway or
to ws tart thev ehicle.
Tows tarting thev ehicle (emer gency engine
st art)
* NO
TEDama getothea utomatic trans‐
mission due to towstarting
The automatic transmissionm aybe damaged
in thep rocess of tows tartin gv ehicles with
automatic transmission.
#Ve hicles wit hautomatic transmission
mus tnotbe tows tarted.
Breakdown assis tance 307

Electrical fuses
Notesone lectrical fuses
&
WARNING Risk of accident and injury
due to ov erloaded lines
If yo um anipulat eorb ridg eaf aulty fuse or if
yo ur eplace it wit hafuse wit hahigher
amperage, thee lectric line could be overloa‐
ded.
This could result in afire.
#Alwa ys replace faulty fuse swiths peci‐
fi ed ne wfuses conta iningthe cor rect
amperage.
* NO
TEDama gecaused byincor rect fuses
Incor rect fuses ma ycause damag etoelectri‐
cal components or sy stems.
#Onl yuse Mercedes-Benz appr oved
fuse switht he cor rect fus erating.
Blow nfuses must bereplaced wit hfuses of the
same rating ,which youc an recognize bythe colo
rand fus erating. Th efuser atings ar eliste d
in thef use assignmen tdiagram.
Fu se assignment diag ram: onthef use bo xin
th et runk (
→pag e310).
* NO
TEDama geor malfunctions caused
by moisture
Moistur emaycause dama getothee lectrical
sy stem or cause it tomalfunction.
#When thef use bo xisopen, mak esure
th at no moistur ecan enter thef use
box.
#When closing thef use box, mak esure
th at thes eal of thel id is positioned cor‐
re ctly on thef use box.
Ifan ewlyinser tedf use also blo ws,have the
cause trace dand rectifie dataq ualified special‐
is tw orks hop.
Ensur ethe following befor ereplacing afuse:
RThe vehicle is secured agains trolling away.
RAll electrica lconsumer sareswitched off.
RThe ignition is switched off. The electrica
lfus es ar eloc ated in various fuse
bo xes:
RFu se bo xinthe engine compartment on the
driver's side (→pag e308)
RFuse bo xont he driver's side of thec ockpit
(→pag e310)
RFuse bo xinthe front-passenge rfootwell
(→pag e310)
RFuse bo xinthe trunk on ther ight-hand side
of thev ehicle, when vie wedint he direction
of tra vel(
→pag e310)
Fu se bo xinthe engine compartment
Prerequisites
Obser vethen otes on electrical fuses
(
→pag e308).
Ha ve thef ollowing readil yavailable:
RAd ryclo th
RAs crew driver
308
Breakdown assis tance