2018 MERCEDES-BENZ E-CLASS SEDAN battery

respectiv eSmartK ey.Todos o, deactivat ethe
Sma rtKe yfunctions.
#To deactivate: pressthe& button on the
SmartK eytwice in rapid succession.
The batter ychec klam poft he SmartK ey
fl ashes twic ebrief ly and lightsupo nce.
#To activate: press anybutton on theS mart‐
Ke y.
% When thev ehicle is star tedw itht he Smart‐
Ke yint he stow agec ompartment of thec en‐
te rc onsole, theS martK eyfunctions are
au tomatical lyactivated (
→pag e136).
Removing/insertin gthe mechanical key
#To remo ve:press release knob 1.
Mechanical key2 is pushed out slight ly.
#Pull ou tmechanical key2 until it en gage sin
th ei ntermediat eposition.
% Youc an use thei ntermediat eposition of
mechanical key2 toattac hthe keytoak ey
ri ng.
#Press release knob 1again and fully
re mo vemechanica lkey 2.
#To inser t:press release knob 1.
#Insertmechanical key2 tothei ntermediate
position or full yuntil it engages.
Replacing the SmartK eybattery
&
DANG ER Serious damag etohealth
caused byswallowing batteries
Batteries contain toxic and cor rosiv es ub‐
st ances. Swallowing batte ries ma ycause
serious damag etohealth.
Ther eisar isk offata linjur y.
#Keep batteries out of ther eac hofc hil‐
dren.
#If batteries ar eswallowe d, seek medical
attention immediately.
+ENVIRONMEN TALN OTEEnvironmental
damage causedbyimproper disposal of
batteries
Bat teries conta in pollutants. It is
illegal todispose of them wit hthe household
ru bbish.
#
Dispose of batteries in an
environmen tallyr esponsibl emanner.
Ta ke dischar gedb atteries toaq ualified
specialis tworks hop or toac ollection
pointf or used batteries.
Opening and closing 59

call1-800-FOR-MERCedes (i nthe USA) or
1-800-387-0 100( in Canada).
#Cor rect thet irep ressur eifitiss tillatl east
13 0k Pa(1.3 bar/1 9psi).S eetheT irea nd
Loading Info rmatio nplacar dont he driver's
side B‑pillar or thet irep ressur etable in the
fuel filler flap forv alues.
#To increase thet irep ressure: switchon
th et irei nflation compressor.
#To reduce the tir epress ure: press pressure
re lease button 1next tomanome ter2.
#When thet irep ressur eisc orrect, unscr ew
th ef illing hose from thev alveoft he sealed
tire.
#Scr ew thev alvec ap ont othe tir evalveoft he
sealed tire.
#Pull thet ires ealant bottle out of thet ire
inflation compressor.
The filling hose stay sont he tiresealant bot‐
tle.
#Driv etot he neares tqualified specialis twork‐
shop and ha vethet ire, tir esealant bottle and
fi lling hose replaced there.
Bat tery (vehicle)
Note sont he12Vb attery
&
WARNING Risk of an accident duet o
wo rkcar ried out incor rectly on theb at‐
te ry
Wo rkcar ried out incor rectl yont he battery
can, fore xamp le, lead toas hor tcircuit .This
can lead tofunction restrictions in saf ety-re l‐
eva nt sy stems, fore xamp lethel ighting sys‐
te m, ABS (anti-lock braking system) or ESP®
(Elect ronic StabilityP rogram). The ope rating
saf etyofy ourvehicle ma yberestricted.
Yo uc ould lose cont roloft hevehicle in the
fo llowing situations:
Rwhen braking
Rin thee vent of ab rupt steering maneuvers
and/or when thev ehicle's speed is not
adap tedtot heroad conditions
#In thee vent of ashort circui torasimi‐
la ri ncident, contact aqualified special‐
is tw orks hop immediately.
#Do no tcontinue driving.
#Alw aysh ave workon theb atter ycarried
out at aqualified specialis tworks hop.
RFu rther information on ABS (→pag e158)
RFurther information on ESP®
Fo rs afet yr easons, Mercedes-Benz recommends
th at youo nly use batte ries whic hhaveb een tes‐
te da nd appr oved fory our vehicle byMercedes-
340
Breakdown assis tance

Benz. These batteries provide inc reased impact
pr otection topreve ntvehicle occupants from
suf fering aci dburns should theb atter ybed am‐
aged in thee vent of an accident.
Al lv ehicles exceptv ehicles wit halithium-
ion battery
& WARNING Risk ofexplosion due toelec‐
tros tatic charge
Electros taticch arge can cause spark swhich
ma yignit ethe highly flammable gasm ixture
in theb atter y.
#Todischar geanye lectros tatic charge
th at ma yhave built up, touc ht he me tal
ve hicle body befor ehandling theb at‐
te ry.
The highly flammable gasm ixtur eisc reated
while theb atter yisc harging and during starting
assis tance.
&
WARNING Danger of chemical burns
from theb atter yacid
Batter yacid is caustic.
#Avoid contact wit hthe skin, eyes or
clo thing.
#Do no tlean overthe batter y.
#Do notinhal ebattery gases.
#Ke ep children away from theb atter y.
#Immediate lyrinse batter yacido ffthor‐
oughl ywithp lenty of clean waterand
seek medicala ttention immediately.
Allvehicles
+ENVIRONMENTAL NOTEEnvironmental
damage causedbyimproper disposal of
batteries
Bat teries conta in pollutants. It is
illegal todispose of them wit hthe household
ru bbish.
#
Dispose of batteries in an
environmen tallyr esponsibl emanner.
Ta ke dischar gedb atteries toaq ualified
specialis tworks hop or toac ollection
pointf or used batteries.
Ifyo uh ave toconnect the12v olt batter y,con‐
ta ct aq ualified specialis tworks hop.
Compl ywiths afet yn otes and take protective
measures when handling batteries.
Risk of explosion
Fire, open flames and smokin gare
prohibite dwhen handling theb atter y.
Av oid creating spar ks.
Electrolyte or batteryacid is cor ro‐
sive. Avoid contact wit hthe skin, eyes
or clo thing. Wear suitable pr otective
clo thing, in particular glove s, an
Breakdown assis tance 34
1

apron andaface mask .Immediate ly
ri nse electrolyte or acid splashes off
wit hc lean water.Consult adocto rif
necessar y.
Wear saf etyg lasses.
Keep children away.
Obser vethis Opera tor's Manual.
If yo udon otintendtou sethev ehicle overan
ex tende dperio doft ime:
RActivat estandb ymode ,or
RConnec tthe batter ytoabatterycharge r
appr ovedbyM ercedes-Benz, or
RConsult aqualified specialis tworks hop to
disconnec tthe battery
St arting assist ance andchargingt he12V
battery
Ve hicles with alithium-ion battery
#When chargingt he batter yand during start‐
ing assis tance, al ways use thej ump-s tart
connection point in thee ngine compartment.
* NO
TEDama getotheb atter yfromo ver‐
vo ltage
When chargingu singabatterycharge rw ith‐
out amaximu mcharging voltage, theb attery
or theo n-boar delectronics ma ybedamaged.
#Onlyuse batter ycharger switham axi‐
mum chargingv oltageof1 4.4V.
Allother vehicles
#When chargingt he batter yand during start‐
ing assis tance, al ways use thej ump-s tart
connection point in thee ngine compartment. *
NO
TEDamaging theb atter ythrough
ove rvoltage
When chargingu singabatterycharge rw ith‐
out amaximu mcharging voltage, theb attery
or thev ehicle electronics ma ybedamaged.
#Onlyuse batter ycharger switham axi‐
mum chargingv oltageof1 4.8V.
&
WARNING Risk ofexplosion from hydro‐
ge ng as igniting
Ab atter ygene ratesh ydrogen gasd uring the
ch argingp rocess. If ther eisas hortcircuit or
spar ksstar ttof orm, ther eisad anger of the
hy drogen gasigniting.
#Mak esuret hat thep ositiv eterminal of
th ec onnected batter ydoes no tcome
int oc onta ct wi thvehicle parts.
#Ne verp lace me talo bject sort ools on a
batter y.
#When connectin gand disconnectin gthe
batter y,yo um usto bserv ethe descri‐
bed order fort he batter yclamps.
342
Breakdown assis tance

#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

Displaymessages
Possible causes/consequences and MSolutions
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The transmission is malfunctioning. The transmission shifts toposition iautomaticall y.
#Pulloverand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions.
#Switc hthe transmission toposition j.
#Consultaqualified specialis tworks hop.
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6HUYLFH 5HTXLUHG *T
he transmission is malfunctioning. Reverseg ear can no longer be engaged.
#Visit aq ualified specialis tworks hop.
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he transmission is overheating. Pulling away ma ybet emporaril yimp aired or no tpossible.
#Pull overand 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.
$X[LOLDU \%DWWHU\ 0DOIXQF
WLRQ *T
he auxiliary batteryfor thet ransmission is no longer being charge d.
#Visit aq ualified specialis tworks hop.
#Un tilthen, alw aysm anually se tthe transmission toposition jbefor eyou switc hoffthee ngine.
#Befor eleaving thev ehicle, apply thee lectric parking brake.
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peration of thec limat econtrol sy stem is temp orarily restricted. Air flow and fresh air suppl yaresettoa utomatic
mode.
#Ha ve thec limat econtrol sy stem checkedataq ualified specialis tworks hop.
Displa ymessages and warning/indicator lamps 433

Attention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivating media mod e........................ 298
Connecting USB devices ..................... 300
Co pyright ............................................. 297
Information .......................................... 296
Inserting/ removing an SD car d...........2 98
Medias earch....................................... 303
Overvie w............................................. 299
Pa use and playbac kfunction .............. .300
Selecting atrack ................................. 300
Selecting playba ckoptions .................. 300
Tr ac kl ist. ............................................ .300
Au thorized workshop
see Qualified specialis tworks hop
Au tomatic distanc econtrol
seeA ctiveDista nce Assist DISTRONIC
Au tomatic drivin glights .......................... 115
Au tomatic engine star t( EC Os tart/
sto pfunction) .......................................... 140
Au tomatic fron tpassen gerfront air
bag shu toff ........................................... 41,4 2
PA SSENGER AIR BAGi ndicator lam p..... 42 Au
tomatic front-passenger fron tair
bag deacti vatio ns ystem .......................... .41
Fu nctio noft he automatic front
passenger air bag shutof f......................4 1
Au tomatic lateral suppor tadjustment
Setting ................................................... 91
Au tomatic mir rorf olding function
Ac tivating
/deactivating .......................1
24
Au tomatic transmission
DIRECT SELECTl ever........................... 143
Driv eprogram displa y.......................... 142
Driv eprogram s.................................... 142
DY NA MIC SELECT switc h.................... 142
Engaging driv eposit ion. ...................... 145
Engaging reve rseg ear ........................ .144
Kickdown ............................................. 146
Manual gearshiftin g............................. 145
Selecting par kposition ........................ 144
Shifting toneutral ................................ 144
St eering wheel paddle shif ters ............ 145
Tr ansmission position displa y............. .143
Tr ansmission positions. .......................143
B
BA S(Brak eAssis tSystem) .................... .159
Battery SmartK ey............................................... 59
Batter y(vehicle)
Charging .............................................. 342
Ju mp -star ting ...................................... 342
No tes. ................................................. 340
Belt see Seat belts
Belt air bag Activation .............................................. 32
Fu nction/no tes. ....................................3 6
Blind Spo tAssis t..................................... 197
Ac tivating/deactivating .......................1 99
Fu nctio n.............................................. 197
Sy stem limitations .............................. .197
Blo wer
see Climate control
Blue tooth
®
Ac tivating/deactivating .......................2 39
Setting up an Interne tconnection ....... 290
Settings ............................................... 239
Index 461