engine MERCEDES-BENZ E-CLASS SEDAN 2018 Owner's Guide

Inthese conditions ,Activ eDista nce Assist
DISTRONICm ay:
RGive an unnecessar ywarning and then
brak ethe vehicle.
RNeither giv eawarning nor inter vene.
RAc celerat eorbrake unexpectedly.
#Continue driving wi thcar eand be ready
to brake, particular lyifAc tiveD ista nce
Assist DISTRONICw arnsyou.
&
WARNING Risk of accident from acceler‐
ation or braking byActiveD ista nce
Assist DISTRONIC
Ac tiveD ista nce Assist DISTRONICm ayaccel‐
erat eorb rake inthef ollowing cases, for
ex ample:
RIfth ev ehicle pulls away usingA ctiveDis‐
ta nce Assist DISTRONIC.
RIfth es tore ds peed is called up and is
considerabl yfasterors lowe rthan the
cur rently driven speed.
RIfAc tiveD ista nce Assist DISTRONICn o
longer de tects avehicle in front or does
no treact toreleva nt objects.
#Alw aysc arefully obser vethet raffic con‐
ditionsa nd beready tobrak eata ll
times.
#Ta ke intoa ccount thet raffic situation
befor ecallin gupt hestored speed.
&
WARNING Risk of accident duetoi nsuf‐
fi cient decele ratio nbyA ctiveDista nce
Assist DISTRONIC
Ac tiveD ista nce Assist DISTRONICb rake s
yo ur vehicle wit hupto50%oft he maximum
possible deceleration. If this decele ratio nis
no ts ufficient, ActiveD ista nce Assist
DISTRONICa lertsy ou wit havisual and
acoustic warning.
#In these cases, adjus tyour speed and
ke ep asufficient dist ance.
#Brakethe vehicle yourself and/or take
ev asiv eaction.
&
WARNING Risk of accident duetoA ctive
Dis tance Assist DISTRONICs tillb eing
activated when youl eave thed rive r's
seat
If yo ul eave thed rive r's seat while thev ehicle
is being braked byActiveD ista nce Assist
DISTRONICo nly,the vehicle can rollaw ay.
#Alw aysd eactivat eActiv eDista nce
Assist DISTRONICa nd securethe vehi‐
cle topreve nt it from rolling away
befor eyou lea vethed rive r's seat.
Re quirementsRThe vehicle's engine mus tbeswitched on.
RThe electric parking brak emustber eleased.
RActiveP arking Assis tisnotbeing used to
par kthe vehicle or toexit from aparking
space.
RESP®mus tbea ctivated, but no tinter vening.
RThe transmission must be in positionh.
RThe driver door ,fro nt passenger door and the
re ar door smustbec losed.
RThe engine hood mus tbeclosed.
170
Driving and pa rking

Requirements:RThe vehicle is stationar y.
RThe driver's door is closed or thes eat belt on
th ed rive r's side is fastened.
RThe engine is running or hasb eena utomati‐
cally switched of fbythe EC Ostart/s top
function.
RThe electric parking brak eisreleased.
RActiveD ista nce Assist DISTRONICi snotacti‐
va ted.
RVe hicles with automatic transmission:
The transmission is in position h,kori.
Ac tivatin gthe HOLDf unction
#Depress theb rake pedal and af teras hort
time depress fur ther until theë display
appear sinthe multifunction displa y.
#Release theb rake pedal.
Deactivating the HOLD function
#Depress thea ccelerator pedal topull away.
or
#Depress theb rake pedal until theë dis‐
pla yd isappear sfromt he multifunction dis‐
pla y.
The HOLD function is deactivated in thef ollow‐
ing situations:
RWhen ActiveD ista nce Assist DISTRONICi s
acti vated.
RVe hicles with automatic transmission:
when transmission position jis selected.
RWhen thev ehicle is secured wit hthe electric
parking brake.
In thef ollowing situations, thev ehicle is held by
th et ransmission position jorby thee lectric
parking brake:
RWhen thes eat belt is unfas tened and the
driver's door is opened.
RWhen thee ngine is switched off.
RWhen ther eisam alfunction in thes ystemo r
if th ep ower supply is insu fficient.
AIR BODY CONT ROL
AIR BODY CONT ROLfunction
AI RB ODYC ONTROL is an air suspension sy stem
wit hvariable dampingf or improveddriving com‐
fo rt.T he all-round le velc ontrol sy stem ensures
th eb estp ossible suspension and const ant
groundc learance, evenw ithal aden vehicle.
When driving at speed, thev ehicle is lo wered
automaticall ytoimprove driving saf etya nd to
re duce fuel consum ption. The option of manually
adjustin gthe vehicle le velisa lsoavailable.
AI RB ODYC ONTROL comprises:
RAir suspension wit hvariable spring rate
RAu tomatic le velc ontrol sy stem
RSpeed-dependent lo wering toreduce fuel
consum ption
RManuall yselecta ble high-le vels etting for
grea terg round cleara nce
RADS PLUS (Ada ptiveD amping Sy stem with
const ant dampingf orce adjustment)
RDYNA MIC SELECT switc hand le velb utton
17 6
Driving and pa rking

Vehicles without 360° Camera
1Parking Assis tPARKTRONIC is only opera‐
tionalint he front and rear
2Pa rking Assis tPARKTRONIC is operational
an dc an also warnthed rive ra bout obs tacles
at thes ide of thev ehicle
3Obs tacle de tected at thef ront right (orange)
and rear (red)
Ve hicles wit h360° Camera
1Parking Assis tPARKTRONIC is only opera‐
tionalint he front and rear
2Pa rking Assis tPARKTRONIC is operational
an dc an also warnthed rive ra bout obs tacles
at thes ide of thev ehicle
3Obs tacle de tected at thef ront right (orange)
and rear (red)
Sa vedo bstacle saredel eted in thef ollowing sit‐
uations, fore xamp le:
RYous wit ch offt he vehicle
RYo uo pen thed oors Af
tert he engine is restar ted, obs tacle sm ustb e
de tected again, befor eanew wa rning can be
issued.
Sy stem limitations
The sy stem limitations forP arking Assist
PA RKTRONI Capplyfor passiv eside impact pro‐
te ction.
The following object sarenotd etected, fore xam‐
ple:
RPe destrians who approac hthe vehicle from
th es ide
RObjects placed next tothev ehicle
Deactivating/acti vating PARKTRONIC
* NO
TERisk of an accident from objects
at close range
Pa rking Assis tPARKTRONIC ma ynotdetect
cer tain object satcloserange.
#When parking or maneuvering thev ehi‐
cle, pa yparticular attention toany
object swhicha reabo veor belo wthe
sensors, e.g. flowe rpotsord rawbars.
Driving and parking 18
1

RSensitive:higher system sensitivity .The
driver is warned earlier and thea ttention
le ve ld etected byATTENTION ASSIS Tisadap‐
te da ccording ly.
If dr owsiness or increasing lapses in concentra‐
tion ar edetected, the$77(17,21 $66,67 7DNH
D% UHDN warning appear sinthe Instrument Dis‐
pla y.Yo uc an ackn owledg ethe messag eand
ta ke ab reak wher enecessar y.Ifyo udon ottake
ab reak and ATTENTION ASSIS Tcontinues to
de tect increasing lapsesinc oncentration,you
will be warned again af teram inimumo f
15 minutes.Youc an ha vethef ollowing status information for
AT TENTION ASSIS Tdispla yedint he assis tance
menu of theo n-boar dcomputer:
RThe lengt hofthe journe ysince thel ast
break.
RThe attention le veld etermined byATTENTION
ASSIS T.
If AT TENTION ASSIS Tisunable tocalculat ethe
attention le vela nd canno tissue awarning ,the
6\VWHP 6XVSHQ GHGmessage appears.
If aw arning is given in theI nstrument Displa y,
th em ultimedia sy stem of fers to sear chforar est
area. Youc an select aresta reaa nd star tn aviga‐
tio ntot hisrest area. This function can be activa‐
te da nd deactivated in them ultimedia sy stem.
If AT TENTION ASSIS Tisdeactivated, theé
symbol appear sinthe assis tance graphicint he
Instrument Displa ywhen thee ngine is running.
AT TENTION ASSIS Tisactivated automatically
when thee ngine is re-sta rted. The las tselected
sensitivity le velremain sstore d. Sy
stem limitations
AT TENTION ASSIS Tisactiveint he37 mph
(60 km/h) to124m ph (200 km/h) speed range.
The functionality of ATTENTION ASSIS Tis
re stricted, and warnings ma ybedelayedorn ot
occur at all in thef ollowing situations:RIfyo uh ave been driving forl ess than 30
minutes.
RIf th er oad condition is poor (une venr oad
sur face or po tholes).
RIfth er eisas tron gs idew ind.
RIf yo ua dop tas porty drivings tyle (highcor‐
nering speeds or high ratesofa cceleration).
RIfth eS teering Assis tfunction of ActiveD is‐
ta nce Assist DISTRONICisa ctive.
RIfth et ime has been se tincor rectly.
RIn acti vedriving situations, if youc hange
lanes and vary your speedf requ entl y.
The ATTENTION ASSIS Ttiredness or alertness
assessment is dele teda nd restar tedw hen con‐
tinuing thej ourne yinthefollowing situations:
RIf yo us wit ch offt he engine.
19 4
Driving and pa rking

RActiveD ista nce Assist DISTRONIC
(→pa ge 166)
* NO
TEEngine damage duetoexc essively
high engine speeds
The engine will be damaged if youd rive wit h
th ee ngine in theo verrev ving range.
#Do no tdrive with th eengine in theo ver‐
re vving range.
The fue lsuppl yisi nterrupted toprotect the
engine when ther ed band in tach ome ter3
(o ve rrev ving range) is reached.
During no rmal operatin gconditions, coolant
te mp eratur edisplay 4mayrise tother ed
mar k.
&
WARNING Danger of burn swhen open‐
ing theh ood
If yo uo pen theh ood when thee ngine has
ove rheated or during afireint he engine
compartment, youc ouldcome int ocontact
wit hh otgases or other escaping operating
fl uids.
#Befor eopening theh ood, allo wthe
engine tocool down.
#Inthee vent of afireint he engine com‐
partment, keep theh ood closed and
call thef ires ervice.
Overvie wofthe buttons on thes teering
wheel
1But tong roup :
¤ Main menu and ba ckbutton (on-board
computer)
8 Switches sound off/on W
Increases thev olume
X Decreases thev olume
2Touc hC ontrol (on-boar dcompu ter)
3To uc hC ontrol (multimedia sy stem)
4Button group:
¤ Main menu and bac kbutton (multime‐
dia sy stem)
£ LINGU ATRO NIC or voice control sys‐
te m
6 Makes/accepts acall
~ Rejects/end sacall
Operatin gthe on-boar dcom puter
&
WARNING Risk of dist raction from infor‐
mation sy stems and communications
equipment
If yo uo perat einformation and communica‐
tio ne quipment integ ratedint hevehicle
when driving, youw ill be distracted from the
traf fics ituation. Thisc ould also cause yout o
lose control of thev ehicle.
204
Instrument Displa yand on-boar dcomputer

Whenglide mode is activ e(→page146),
*OLGLQJ 0RGHis displa yedi nstead of thec ur‐
re nt fue lconsump tion.
Ar ecuperation displa yisalsoavailable for
cer tain engines. If ther eiso nlyas mall
amount of fuel lef tinthe fuel tank ,the dis‐
pla yshows avehicle being refueled ins tead
of ther ange.
REC Od ispl ay (→pag e141)
RTrip computer )URP6 WDUW and )URP5 HVHW
RDigital speedomet er
% Ve
hicles with an Instrument Displa yin
th eW idescreen Cockpit: thed igital speed‐
ome tero nly appear sinthe&ODVVLF and6SRUW
designs.Example: standar ddisplay
1Trip dis tance
2To tald ista nce recorder
Example: trip compute r
1Totald ista nce recorder
2Driving time
3Av erag espeed
4Averag efuel consum ption
InstrumentD isplayand on-boar dcomputer 209

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 accident and injury
when opening and closing thee ngine
hood
When opening or closing thee ngine hood, it
ma ysuddenl ydropi ntot he end position.
Ther eisar isk of inju ryfora nyo ne in the
engine hood's rang eofm ovement.
#Onlyopen or close thee ngine hood
when ther ea reno persons in the
engine hood's rang eofm ovement.
&
WARNING Danger of burn swhen open‐
ing theh ood
If yo uo pen theh ood when thee ngine has
ove rheated or during afireint he engine
compartment, youc ouldcome int ocontact
wit hh otgases or other escaping operating
fl uids.
#Befor eopening theh ood, allo wthe
engine tocool down.
#Inthee vent of afireint he engine com‐
partment, keep theh ood closed and
call thef ires ervice.
&
WARNING Risk of injury duetomoving
parts
Cer tain component sinthe engine compart‐
ment ma ycontinue tomo veor suddenly
mo veagain evenafter thei gnition has been
switched off, e.g. thec ooler fan.
Make sureoft hefollowing befor eperform ing
ta sk sint he engine compartment:
#Switc hthe ignition off.
#Ne vertouc hthe danger zone sur round‐
ing movin gcomponent pa rts, e.g. the
ro tatio na reaoft hefan.
#Re mo vejewe lrya nd watches.
#Keep items of clo thing and hair away
from moving parts.
& WARNING Risk of injury fromtouching
co mp onent parts under voltage
The ignition sy stem and thef uel injection
sy stem workunder high voltage. If yout ouch
component parts whic hareunder voltage,
yo uc ouldreceive an electric shoc k.
#Nevertouc hcomponent pa rtso fthe
ignition sy stem or thef uel injection sys‐
te mw hen thei gnition is switched on.
&
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 .
Maintenance and care 321

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.
#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.
ROil le veltoo high: oil le velisa bove 2.
#Ifth eo il le velist oo lo w,topupw ith
1. 1USq t(1l)ofe ngine oil.
#Ifth eo il le velist oo high, drain of fexcess
engine oil. Consult aqualified specialist
wo rkshop.
Ad ding 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.
Maintenanc eand care 323

#Makesuret hat no engine oil is spilled
next tothef iller opening.
#Allo wthe engine 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
Adding toom uche ngine oil can cause dam‐
ag etot he engine or thec atalytic con verter.
#Ha ve excess engine oil remo vedata
qu alified 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 e323).
Checking thec oolant 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
324
Maintenance and care