airbag MERCEDES-BENZ C CLASS 2019 Owner's Manual

The seat belts onthefollowing seats are equip‐ped with a special seat beltretractor:
RFront passenger seat
RRear seats
When enabled,the special seat beltretractorensuresthatthe seat belts ofthe frontpassenger seat andrear seats do not slackenoncethechildrestraint system is secured(page54).
Installthechildrestraint system.The entire base ofthechildrestraint systemmust alwaysrestonthe sitting surface oftherear seat.
Always make surethatthe shoulder beltstrap is correctlyrouted fromthe seat beltoutlet ofthevehicletothe shoulder beltguide onthechildrestraint system.The shoulder beltstrap must beroutedfor‐wards and downwards fromthe seat belt out‐let.
Notes onrearward-facing andforward-facingchildrestraint systems onthe frontpassenger seat
\nWARNINGRisk of injuryor death fromusing arearward-facingchildrestraintsystem whenthe front passenger frontairbag is enabled
Ifyou secure achild in arearward-facingchildrestraint system onthe front passengerseat andthePASSENGER AIRBAG OFF indi‐cator lamp is off,the front passenger airbagcan deploy intheevent of an accident.
Thechild could bestruckbythe airbag.
Always ensurethatthe front passenger air‐bag is deactivated. ThePASSENGER AIRBAGOFF indicator lamp must be lit.
NEVER use arearward-facingchildrestraintsystem on a seat protectedbyan ENABLEDFRONT AIRBAGin front of it, DEATH or SERI‐OUS INJURYtotheCHILD can occur.
Observethe specific instructionsfortherear‐ward-facing andforward-facingchildrestraintsystems (page 60).
Warning notice onthe front passenger sun visor
Always observethestatus ofthe front passengerfront airbag onthePASSENGER AIRBAG OFFindicator lamp:
RWhen using arearward-facingchildrestraintsystem onthe front passenger seat,the frontpassenger front airbag must always be disa‐bled. This is onlythe case ifthePASSENGERAIRBAG OFF indicator lamp is lit continu‐ously (page44).
RIfthePASSENGER AIRBAG OFF indicatorlamp is off,the front passenger front airbagis enabled. The front passenger front airbagmay deploy during an accident.
Occupant safety59

Notes onthe correct driver's seat position
\nWARNINGRisk of injuryfrom adjustingthevehicle settings whilethevehicle is inmotion
You could lose control ofthevehicle inthefollowing situations:
Rifyou adjustthe driver's seat,the headrestraint,thesteering wheel orthe mirrorwhilethevehicle is in motion
Rifyoufastenyour seat belt whilethevehi‐cle is in motion
Beforestartingthe engine: adjustthedriver's seat,the headrestraint,thesteering wheel orthe mirror andfastenyour seat belt.Ensurethefollowing when adjustingthesteeringwheel1, seat belt2and driver's seat3:
Ryou are asfarawayfromthe driver's airbagas possible
Ryou are sitting in an upright position
Ryourthighs are slightlysupportedbythe seatcushion
Ryour legs are not fullyextended andyou candepressthe pedals properly
Rthe back ofyour head is supported ateyelevelbythe center ofthe headrestraint
Ryou can holdthesteering wheel withyourarms slightly bent
Ryou can moveyour legs freely
Ryou can see allthe displaysonthe instru‐ment cluster clearly
Ryou havea goodoverview ofthe traffic con‐ditions
Ryour seat belt is pulled snuglyagainstyourbody and isrouted acrossthe center ofyourshoulder and acrossyour hips inthe pelvicarea
90Seats andstowing

Seats
Adjusting the front seat mechanically andelectrically (without Seat ComfortPackage)
\nWARNINGRisk of becoming trapped ifthe seats are adjustedbychildren
Children could become trapped iftheyadjustthe seats, particularly when unattended.
When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Never leavechildren unattended inthevehicle.
The seats can be adjusted whenthe ignition isswitched off.
\nWARNINGRisk of becoming trappedwhen adjustingthe seats
Whenyou adjust a seat,you orothervehicleoccupants could become trapped, e.g. ontheseat guiderail.
When adjusting a seat, make surethatno one has any body parts inthe sweepofthe seat.
Observethe safety notes on "Airbags" and "Chil‐dren inthevehicle".
\nWARNINGRisk of accident duetothedriver's seat not being engaged
Ifthe driver's seat is not engaged, it couldmoveunexpectedly whilethevehicle is inmotion.
This could causeyoutolose control ofthevehicle.
Always make surethatthe driver's seatis engaged beforestartingthevehicle.
\nWARNINGRisk of injuryfrom adjustingthevehicle settings whilethevehicle is inmotion
You could lose control ofthevehicle inthefollowing situations:
Rifyou adjustthe driver's seat,the headrestraint,thesteering wheel orthe mirrorwhilethevehicle is in motion
Rifyoufastenyour seat belt whilethevehi‐cle is in motion
Beforestartingthe engine: adjustthedriver's seat,the headrestraint,thesteering wheel orthe mirror andfastenyour seat belt.
\nWARNINGRisk of becoming trapped ifthe seat height is adjusted carelessly
Ifyou adjustthe seat height carelessly,youorothervehicle occupants could be trappedandthereby injured.
Seats andstowing91

1Seat backrestinclination
2Seat height
3Seatfore-and-aft position
Toadjustthe seatfore-and-aft position:lift lever3and slidethe seat intothedesired position.
Make surethatthe seat is engaged.
Adjusting the front seat mechanically andelectrically
\nWARNINGRisk of becoming trapped ifthe seats are adjustedbychildren
Children could become trapped iftheyadjustthe seats, particularly when unattended.
When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Never leavechildren unattended inthevehicle.
The seats can be adjusted whenthe ignition isswitched off.
\nWARNINGRisk of becoming trappedwhen adjustingthe seats
Whenyou adjust a seat,you orothervehicleoccupants could become trapped, e.g. ontheseat guiderail.
When adjusting a seat, make surethatno one has any body parts inthe sweepofthe seat.
Observethe safety notes on "Airbags" and "Chil‐dren inthevehicle".
\nWARNINGRisk of accident duetothedriver's seat not being engaged
Ifthe driver's seat is not engaged, it couldmoveunexpectedly whilethevehicle is inmotion.
This could causeyoutolose control ofthevehicle.
Always make surethatthe driver's seatis engaged beforestartingthevehicle.
\nWARNINGRisk of becoming trapped ifthe seat height is adjusted carelessly
Ifyou adjustthe seat height carelessly,youorothervehicle occupants could be trappedandthereby injured.
Seats andstowing93

Sockets
Using the12V socketinthe front centerconsole
Requirements:ROnly devices uptoa maximum of180 W(15 A) are permissible.
Lift up socket cap1.
Insertthe plug ofthe device.
Ifyou haveconnected a devicetothe12 Vsocket, leavethe cover ofthestowage compart‐ment open.
Usingthe12V socketintherear passengercompartment
Requirements:ROnly connect devices uptoa maximum of180 W (15 A).
Pull cover2outbyitstop handle edge.
Lift upthe cap on socket1.
Using the12V socketinthe front passengerfootwell
Requirements:ROnly connect devices uptoa maximum of180 W (15 A).
Lift up socket cap1.
Makesurethat no cables arerunningthrough or secured inthe airbag deployment
11 8Seats andstowing

area when usingthe socket. Observethenotes on airbag protection when doingthis(page41).
Wirelesscharging ofthe mobile phone andconnection withtheexterior antenna
Notes on wirelesslychargingthe mobilephone
\nWARNINGRisk of injuryduetoobjectsbeingstowed incorrectly
If objects inthevehicle interior arestowedincorrectly,theycan slide or bethrownaround and hitvehicle occupants. In addi‐tion, cup holders, openstowage spaces andmobile phonereceptacles cannot alwaysretain all objectstheycontain.
Thereis arisk of injury,particularly intheevent of sudden braking or a suddenchangein direction.
Alwaysstowobjects sothattheycan‐not bethrown around in suchsitua‐tions.
Always make surethat objects do notprotrude fromstowage spaces, luggagenets orstowage nets.
Closethe lockablestowage spacesbeforestarting a journey.
Alwaysstowand secure heavy, hard,pointed, sharp-edged, fragile or bulkyobjects inthe trunk/load compartment.
Observethe notes on loadingthevehicle.
\nWARNINGRisk offirefrom placingobjects inthe mobile phonestowagecompartment
Ifyou place objects inthe mobile phonestowage compartment,theymay heat upexcessively andeven catchfire.
Do not place additional objects, espe‐ciallythose mode of metal, inthemobile phonestowage compartment.
NOTEDamagetoobjects causedbyplacingthem inthe mobile phonestow‐age compartment
If objects are placed inthe mobile phonestowage compartment,theymay be dam‐agedbyelectromagneticfields.
Do not place credit cards,storagemedia orother objects sensitivetoelectromagneticfields inthe mobilephonestowage compartment.
NOTEDamagetothe mobile phonestowage compartment causedbyliquids
If liquids enterthe mobile phonestowagecompartment,the compartment may bedamaged.
Ensurethat no liquids enterthe mobilephonestowage compartment.
RDepending onthevehicle equipment,themobile phone is connectedtothevehicle'sexterior antenna viathecharging module.
Seats andstowing11 9

atthe site ofthe accident. It helps locate anaccident site in placesthat are difficulttoaccess. However,even if avehicle is equippedwith eCall,this does not meanthe system is ON.As such, eCall does notreplace dialing911 intheevent of an accident.
The emergency call can be made automatically(page 322) or manually (page 322).Only make emergency calls ifyou orothers arein need ofrescue.
Only make emergency calls ifyou orothers arein need ofrescue. Do not make an emergencycall intheevent of a breakdown or a similar sit‐uation.
Displays inthe media display:SOS READY: eCallavailable
SOS NOT READY:the ignition is not on or eCallis notavailable.
During an active emergency call,Sappearsinthe display.
You canfind more information ontheregionalavailability of eCall system at: http://www.mercedes-benz.com/connect_ecall.
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.
322Multimedia system

Notes on cleaning and careAvoidingvehicle damage
Exterior lightingCleanthe lenses with awet sponge and mild cleaning agent,e.g. car shampoo.Only use cleaning agents or cleaning clothsthat are suitablefor plastic lenses.
SensorsCleanthe sensors inthe front andrear bumper and intheradiator grill with a soft clothand car shampoo.When using a powerwasher, maintain a minimum distance of11.8 in (30 cm).
Rear view cameraand360° CameraROpenthe camera cover withthe multimedia system(page 209) .
RUse cleanwater and a soft clothtocleanthe camera lens.
Do not use a powerwasher.
TailpipesClean with a cleaning agentrecommendedfor Mercedes-Benz, especiallyinthe winter and afterwashingthevehicle.Do not use acidic cleaning agents.
Notes on care ofthe interior
\nWARNINGRisk of injuryfrom plasticparts breaking off afterthe use of sol‐vent-based care products
Careand cleaning products containing sol‐vents can cause surfaces inthe cockpittobecome porous.
Whenthe airbags are deployed, plastic partsmay breakaway.
Do not use any care or cleaning prod‐ucts containing solventstocleanthecockpit.
\nWARNINGRisk of injuryor death frombleached seat belts
Bleaching or dyeing seat belts can severelyweakenthem.
This can,forexample, cause seat beltstotear orfail in an accident.
Never bleachor dye seat belts.
Maintenance and care365

Display messagesPossible causes/consequences andPPSolutions
\nWARNINGRisk of skidding if ESP®is malfunctioning
If ESP®is malfunctioning, ESP®cannot carryoutvehiclestabilization. In addition,other driving safety systemsare switched off.
Drive on carefully.
HaveESP®checked at aqualified specialistworkshop.
Drive on carefully.
Visit aqualified specialistworkshop immediately.
u
Left Side Curtain AirbagMalfunction ServiceRequired(Example)
*The corresponding window curtain airbag is malfunctioning (page 34).
\nWARNINGRisk of injuryorfatal injury duetomalfunctions inthe window airbag
Ifthe window airbag is malfunctioning, it might be triggered unintentionally or might not be triggered at all intheevent of an accident withhigh deceleration.
Havethe window airbagchecked andrepaired immediately at aqualified specialistworkshop.
Visit aqualified specialistworkshop immediately.
Front Passenger AirbagEnabled See Operator'sManual
*The front passenger airbag and knee airbags are enabled duringthe journey:
Reven when achild, a small adult or an objectweighing lessthanthe systemweightthreshold is located onthefront passenger seat
Displaymessages andwarning/indicator lamps443

Display messagesPossible causes/consequences andPPSolutions
Reven whenthe front passenger seat is not occupied
The system may detect objects orforcesthat are addingtotheweight appliedtothe seat.
\nWARNINGRisk of injuryorfatal injury when using achildrestraint system whilethe front passenger air bagis enabled
Ifyou secure achild in achildrestraint system onthe front passenger seat andthe front passenger air bag isenabled,the front passenger air bag can deploy intheevent of an accident.
Thechild could bestruckbythe air bag.
Ensure, bothbefore and duringthe journey,thatthestatus ofthe front passenger air bag is correct.
NEVER use arearwardfacingchildrestraint on a seat protectedbyanACTIVE FRONT AIRBAG; DEATH or SERI‐OUS INJURYtotheCHILD can occur.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions.
Checkthestatus ofthe automatic front passenger airbag shutoff (page44).
If necessary,consult aqualified specialistworkshop immediately.
Front Passenger Airbag Dis-abled See Operator's Man-ual
*The front passenger airbag andthe knee airbag are deactivated, although an adult or a person with an adultstatureis onthe front passenger seat. If additionalforces are appliedtothe seat,theweightthe system detects may betoo low.
444Displaymessages andwarning/indicator lamps