battery MERCEDES-BENZ E CLASS 2019 Owner's Manual

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Applying/releasingthe electric parkingbrake manually
Applying
Push handle1.TheredI(USA) or$(Canada) indica‐tor lamp appears inthe instrument cluster.
The electric parking brake is only securelyapplied ifthe indicator lamp is lit continu‐ously.
Releasing
Switchonthe ignition.
Pull handle1.TheredI(USA) or$(Canada) indica‐tor lamp inthe instrument cluster goes out.
Emergency brakingPress and hold handle1.Whenthevehicle has been brakedto astandstill,the electric parking brake isapplied. TheredI(USA) or$(Can‐ada) indicator lamp appears inthe instru‐ment cluster.
Notes on parkingthevehiclefor anextendedperiod
Ifyou leavethevehicle parkedfor longerthanfourweeks,the disconnected battery may bedamagedbydeep discharge.
Ifyou leavethevehicle parkedfor longerthan sixweeks, it may suffer disuse damage.
Further information can be obtained at aqualified specialistworkshop.
Standby mode (extension of thestarter bat‐tery's period out of use)
Standby mode function
This function is notavailablefor all models.
Ifstandby mode is activated,thevehicle can beparkedfor anextended period of time withoutlosing power.
Standby mode ischaracterizedbythefollowing:
RThestarter battery is preserved.
RThe maximum non-operational time out ofuse is displayed inthe multimedia systemdisplay.
RThe connectiontoonline services is interrup‐ted.
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Ifthefollowing conditions are fulfilled,standbymode can be activated or deactivated usingthemultimedia system:
RThe engine is switched off.
RThe ignition is switched on.
Exceedingthevehicle's displayed non-opera‐tional time may cause inconvenience, i.e. it can‐not be guaranteedthatthestarter battery willreliablystartthe engine.
Thestarter battery must bechargedfirst inthefollowing situations:
RThevehicle's non-operational time must beextended.
RTheBattery Charge Insufficient for StandbyModemessageappears inthe multimediasystem display.
Standby mode is automatically deactivatedwhenthe ignition is switched on.
Activating/deactivatingstandby modeMultimedia system:
VehicleîVehicle Set-
tingsStandby Mode
This function is notavailablefor all models.
Activatesor deactivateSthe function.Whenyou activatethe function, a promptappears.
SelectYes.Standby mode is activated.
Driving and driving safety systems
Driving systems andyourresponsibility
Yourvehicle is equipped with driving systemswhich assistyou in driving, parking and maneu‐veringthevehicle. The driving systems are aidsand do notrelieveyou ofyourresponsibility per‐tainingtoroad traffic law.Pay attentiontothetraffic conditions at all times and intervenewhen necessary. Beaware ofthe limitationsregardingthe safe use ofthese systems.
Function oftheradar sensors
Some driving and driving safety systems useradar sensorstomonitorthe area in front of,behind or nexttothevehicle (depending onthevehicle's equipment).
Depending onthevehicle's equipment,theradarsensors are integrated behindthe bumpersand/or behindthe Mercedesstar.Keeptheseparts free of dirt, ice and slush (→page 360).The sensors must not be covered,forexamplebycycleracks,overhanging loads,stickers,foilorfoilstoprotect againststonechipping. Intheevent of damagetothe bumpers orradiator grill,orfollowing a collision impactingthe bumpers orradiator grill, havethe function oftheradar sen‐sorschecked at aqualified specialistworkshop.The driver assistance system may no longerworkproperly.
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HOLD function
HOLD functionThe HOLD function holdsthevehicle at astand‐still withoutrequiringyoutodepressthe brakepedal, e.g. whilewaiting in traffic.
The HOLD function is only an aid. Theresponsi‐bilityforthevehicle safelystandingstillremainswiththe driver.
System limitationsThe HOLD function is only intendedtoprovideassistance when driving and is not a sufficientmeans of safeguardingthevehicle againstrollingawaywhenstationary.
RThe incline must not be greaterthan 30%.
Activating/deactivating the HOLD function
\nWARNINGRisk of an accident duetotheHOLD function being activated whenyouleavethevehicle
Ifyou leavethevehicle while onlythe HOLDfunction is brakingthevehicle,thevehiclecanrollawayinthefollowing situations:
RIfthere is a malfunction inthe system orinthe power supply.
RIfthe HOLD function is deactivatedbydepressingthe accelerator pedal orthebrake pedal, e.g.byavehicle occupant.
RIfthe electrics inthe engine compart‐ment,the battery orthe fuses aretam‐pered with or ifthe battery is disconnec‐ted.
Always deactivatethe HOLD functionand securethevehicle againstrollingawaybefore leavingthevehicle.
NOTEDamagefrom automatic braking
WhenActive Brake Assist,Active DistanceAssistDISTRONIC orthe HOLD function areactivated,thevehicle brakes autonomouslyin certain situations.
Toavoid damagetothevehicle, deactivatethese systems inthefollowing or similar sit‐uations:
Duringtowing
In a carwash
Requirements:RThevehicle isstationary.
RThe driver's door is closed orthe seat belt onthe driver's side isfastened.
RThe engine isrunning or has been automati‐cally switched offbythe ECOstart/stopfunction.
RThe electric parking brake isreleased.
RActive Distance AssistDISTRONIC is not acti‐vated.
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Telephone menuoverview
1Bluetooth®device name ofthe currentlyconnected mobile phone
2Signalstrength ofthe mobile phone networkforthe currently connected and selectedmobile phone
3Batterystatus ofthe currently connectedand selected mobile phone
4q(telephoneready) or

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Ifthere is a malfunction inthe emergencycall system (e.g. a malfunction withthespeaker, microphone, airbag, SOS button), acorresponding message appearsinthe mul‐tifunction display ofthe instrument cluster.
Triggering an automatic emergency call
RequirementsRThe ignition is switched on.
RThestarter battery is sufficientlycharged.
Ifrestraint systems such as airbags or Emer‐gencyTensioning Devices havebeen activatedafter an accident,the Mercedes-Benz emer‐gency call system may automatically initiate anemergency call.
The emergency call has been made:
RAvoice connection is madetothe Mercedes-Benz emergency call center.
RA messagewith accident data is transmittedtothe Mercedes-Benz emergency call center.
The Mercedes-Benz emergency call centercan transmitthevehicle position datatooneofthe emergency call centers.
The SOS button intheoverhead control panelflashes untilthe emergency call isfinished.
It is not possibletoimmediately end an auto‐matic emergency call.
If no connection can be madetothe emergencyservices either, a corresponding messageappearsinthe media display.
Dialthe local emergency number onyourmobile phone.
If an emergency call has been initiated:
RRemain inthevehicle iftheroad and trafficconditions permityoutodo so until avoiceconnection is established withthe emer‐gency call center operator.
RBased onthe call,the operator decideswhether it is necessarytocallrescueteamsand/orthe policetothe accident site.
RIf novehicle occupant answers, an ambu‐lance is senttothevehicle immediately.
Triggering a manual emergency callPress and holdthe SOS button intheover‐head control panelfor at leastone second.
The emergency call has been made:
RAvoice connection is madetothe Mercedes-Benz emergency call center.
RA messagewith accident data is transmittedtothe Mercedes-Benz emergency call center.
The Mercedes-Benz emergency call centercan transmitthevehicle position datatooneofthe emergency call centers.
RRemain inthevehicle iftheroad and trafficconditions permityoutodo so until avoiceconnection is established withthe emer‐gency call center service provider.
ROnthe basis ofthe call,the service providerdecides whether it is necessarytocallres‐cueteams and/orthe policetothe accidentsite.
If no connection can be madetothe emergencyservices either, a corresponding messageappearsinthe media display.
Dialthe local emergency number onyourmobile phone.
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Rfrequent operation in mountainousterrain oron poorroad surfaces
Rwhenthe engine is often leftidlingfor longperiods
Roperation in particularly dusty conditionsand/or if air-recirculation mode is frequentlyused
Inthese or similar operating conditions, havetheinterior airfilter, engine air cleaner, engine oiland oilfilteretc.changed more frequently. Thetires must bechecked more frequently ifthevehicle is operated under increased loads.Fur‐ther information can be obtained at aqualifiedspecialistworkshop.
Battery disconnection periods
The ASSYST PLUS service interval displaycan only calculatethe service due datewhenthe batteryis connected.
Notedownthe service due date displayed onthe instrument display before disconnectingthe battery (→page 347).
Engine compartment
Active hood (pedestrian protection)
Operation ofthe active hood (pedestrian pro‐tection)In certain accident situations,therisk of injurytopedestrians can bereducedbythe actuationofthe active hood. Therear area ofthe hood israisedbyapproximately 3 in (85 mm).
Forthe drivetotheworkshop,resetthe trig‐gered active hoodyourself. Afterthe active hoodhas been triggered, pedestrian protection maybe limited.
Aqualified specialistworkshop mustre-instatethe full functionality ofthe active hood.
The active hood is notavailable in all countries.
Resettingthe active hood
\nWARNINGRisk of burns from hot com‐ponent parts inthe engine compartment
Certain components inthe engine compart‐ment can beveryhot, e.g.the engine,theradiator and parts oftheexhaust system.
Allowthe enginetocool down and onlytouch component parts described inthefollowing.
Withyour handflat, push down active hood1inthe area aroundthe hinges on bothsides (arrows).The hood must engage in position.
Ifthe active hood can beraised slightly attherear inthe area ofthe hinges,repeatthestep until it engages correctly.
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call 1-800-FOR-MERCedes (inthe USA) or1-800-387-0100(in Canada).
Correctthe tire pressure if it isstill at least130 kPa (1.3 bar/19 psi). SeetheTireandLoading Information placard onthe driver'sside B‑pillar orthe tire pressuretable inthefuelfillerflapforvalues.
Toincreasethe tire pressure:switchonthe tire inflation compressor.
Toreduce the tire pressure:press pressurerelease button1nexttomanometer2.
Whenthe tire pressure is correct, unscrewthefilling hose fromthevalve ofthe sealedtire.
Screwthevalve cap ontothevalve ofthesealed tire.
Pullthe tire sealant bottle out ofthe tireinflation compressor.Thefilling hosestays onthe tire sealant bot‐tle.
Drivetothe nearestqualified specialistwork‐shop and havethe tire, tire sealant bottle andfilling hosereplacedthere.
Battery(vehicle)
Notes onthe12V battery
\nWARNINGRisk of an accident duetoworkcarried out incorrectly onthe bat‐tery
Workcarried out incorrectly onthe batterycan,forexample, leadtoa short circuit. Thiscan leadtofunctionrestrictions in safety-rel‐
evant systems,forexamplethe lighting sys‐
tem, ABS (anti-lockbraking system) or ESP®
(ElectronicStability Program). The operatingsafety ofyourvehicle may berestricted.
You could lose control ofthevehicle inthefollowing situations:
Rwhen braking
Rintheevent of abruptsteering maneuversand/or whenthevehicle's speed is notadaptedtotheroad conditions
Intheevent of a shortcircuit or a simi‐lar incident, contact aqualified special‐istworkshop immediately.
Do not continue driving.
Always haveworkonthe battery carriedout at aqualified specialistworkshop.
RFurther information on ABS (→page166)
RFurther information on ESP®(→page167)
For safetyreasons, Mercedes-Benzrecommendsthatyou onlyuse batteries which havebeentes‐ted and approvedforyourvehiclebyMercedes-
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Benz. These batteries provide increased impactprotectiontopreventvehicle occupants fromsuffering acid burns shouldthe battery be dam‐aged intheevent of an accident.
Allvehiclesexceptvehicles with a lithium-ion battery
\nWARNINGRisk ofexplosion duetoelec‐trostaticcharge
Electrostaticchargecan cause sparks whichmay ignitethe highlyflammablegas mixtureinthe battery.
Todischargeany electrostaticchargethat may havebuilt up,touchthe metalvehicle body before handlingthe bat‐tery.
The highlyflammablegas mixture is createdwhilethe battery ischarging and duringstartingassistance.
\nWARNINGDanger ofchemical burnsfromthe battery acid
Battery acid is caustic.
Avoid contact withthe skin,eyes orclothing.
Do not leanoverthe battery.
Do not inhale batterygases.
Keepchildrenawayfromthe battery.
Immediatelyrinse battery acid offthor‐oughly with plenty of cleanwater andseek medical attention immediately.
Allvehicles
ENVIRONMENTALNOTEEnvironmentaldamagecausedbyimproper disposal ofbatteries
Batteries contain pollutants. It isillegaltodispose ofthem withthe householdrubbish.

Dispose of batteries in anenvironmentallyresponsible manner.Takedischarged batteriestoaqualifiedspecialistworkshop ortoa collectionpointfor used batteries.
Ifyou havetodisconnectthe12V battery,con‐tact aqualified specialistworkshop.
Comply with safety notes andtakeprotectivemeasures when handling batteries.
Risk ofexplosion.
Fire, openflames and smoking areprohibited when handlingthe battery.Avoid creating sparks.
Electrolyteor battery acid is corro‐sive.Avoid contact withthe skin,eyesor clothing.Wear suitable protectiveclothing, in particulargloves, an
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apron and aface mask.Immediatelyrinse electrolyteor acid splashes offwith cleanwater.Consult a doctor ifnecessary.
Wear safetyglasses.
Keepchildrenaway.
Observethis Operator's Manual.
Observethefollowing ifyou do not intendtousethevehicleover anextended period of time:
RActivatestandby mode.
RAlternatively: connectthe batterytoa bat‐terycharger approvedbyMercedes-Benz orconsult aqualified specialistworkshoptodisconnectthe battery.
Notes onstarting assistance and oncharg‐ingthe12V battery
Vehicles with a lithium-ion batteryWhenchargingthe battery and duringstartingassistance, alwaysusethe jump-startconnec‐tion point inthe engine compartment.
NOTEDamagetothe battery fromover‐voltage
Whencharging using a batterycharger with‐out a maximumchargingvoltage,the batteryorthe on-board electronics may be damaged.
Only use batterychargerswith a maxi‐mumchargingvoltage of14.4V.
AllothervehiclesWhenchargingthe battery and duringstartingassistance, alwaysusethe jump-startconnec‐tion point inthe engine compartment.
NOTEDamagingthe batterythroughovervoltage
Whencharging using a batterycharger with‐out a maximumchargingvoltage,the batteryorthevehicle electronics may be damaged.
Only use batterychargerswith a maxi‐mumchargingvoltage of14.8V.
\nWARNINGRisk ofexplosion fromhydro‐gengas igniting
A batterygenerateshydrogengas duringthecharging process. Ifthere is a short circuit orsparksstarttoform,there is a danger ofthehydrogengas igniting.
Make surethatthe positiveterminal ofthe connected battery does not comeinto contact withvehicle parts.
Never place metal objects ortools on abattery.
When connecting and disconnectingthebattery,you must observethe descri‐bed orderforthe battery clamps.
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When givingstarting assistance, alwaysmake surethatyou onlyconnect bat‐teryterminals with identical polarity.
Duringstarting assistance,you mustobservethe described orderfor con‐necting and disconnectingthe jumpercables.
Do not connect or disconnectthe bat‐teryclamps whilethe engine isrunning.
\nWARNINGRisk ofexplosion duringcharging process andstarting assistance
Duringthecharging process andstartingassistance,the battery mayrelease anexplo‐sivegas mixture.
Avoidfire, openflames, creating sparksand smoking.
Make surethatthere is sufficientventi‐lation duringthecharging process andduringstarting assistance.
Do not leanover a battery.
\nWARNINGRisk ofexplosion from a fro‐zen battery
A discharged battery may freeze attempera‐tures slightly aboveor below freezing point.
Duringstarting assistance or batterycharg‐ing, batterygas may bereleased.
Alwaysthawa frozen batteryoutfirstbeforecharging it or performingstart‐ing assistance.
Ifthe indicator/warning lamps inthe instrumentcluster do not light up at lowtemperatures, it isverylikelythatthe discharged battery has fro‐zen. Inthis caseyou may neither jump-startthevehicle norchargethe battery.
The service life of a batterythat has beenthawed may be dramatically shortened. Thestartingcharacteristics may be impaired, espe‐cially at lowtemperatures.
It isrecommendedthatyou haveathawed bat‐terychecked at aqualified specialistworkshop.
Allvehicles
NOTEDamagecausedbynumerous orextended attemptstostartthe engine
Numerous orextended attemptstostarttheengine may damagethe catalytic converterduetonon-combusted fuel.
Avoid numerous andextended attemptstostartthe engine.
Observethefollowing points duringstartingassistance and whenchargingthe battery:
ROnly use undamaged jumper cables/charg‐ing cables with a sufficient cross-section andinsulatedterminal clamps.
RNon-insulated parts oftheterminal clampsmust not come into contact withother metalparts whilethe jumper cable/charging cableis connectedtothe battery/jump-startcon‐nection point.
RThe jumper cable/charging cable must notcome into contact withany parts which maymovewhenthe engine isrunning.
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