key MERCEDES-BENZ C CLASS 2019 Owner's Manual

ProblemPossible causes/consequences andPPSolutions
Vehicles without a panoramic slid‐ing sunroof:The sliding sunroof doesnot operate smoothly.
PushtheWbutton uptothe point ofresistance untilthe sliding sunroof is fully open.
PresstheWbuttonfor another second.
Closethe sliding sunroof.
Vehicles with a panoramic slidingsunroof:The sliding sunroof ortheroller sunblind does not operatesmoothly.
Pulland holdtheWbutton littlebylittle untilthe sliding sunroof is fully closed.
Pull and holdtheWbutton littlebylittle untiltheroller sunblind is fully closed.
Use automatic operationtofully open andthen closethe sliding sunroof.
Anti-theft protection
Function ofthe immobilizer
The immobilizer preventsyourvehicle from beingstarted withoutthe correct SmartKey.
The immobilizer is automatically activated whenthe ignition is switched off and deactivated whenthe ignition is switched on.
When leavingthevehicle, alwaystakethe Smart‐Key withyou and lockthevehicle. Anyone canstartthe engine if avalid SmartKeyhas been leftinsidethevehicle.
Intheeventthe engine cannotbestarted(yetthevehicle’sstarter battery ischarged),the system is not operational. Contact anauthorized Mercedes-Benz Center or call1-800-FOR-MERCedes (inthe USA) or1-800-387-0100(in Canada).
ATA(anti-theft alarmsystem)
Function oftheATAsystem
IftheATAsystem is armed, a visual and audiblealarm is triggered inthefollowing situations:
Rwhen a door is opened
Rwhenthe trunk lid is opened
Rwhenthe hood is opened
TheATAsystem is armed automatically afterapproximatelyten seconds inthefollowing situa‐tions:
Rafter lockingthevehicle withthe SmartKey
Rafter lockingthevehicle using KEYLESS-GO
88Opening and closing

Indicator lamp1flashes whentheATA systemis armed.
TheATA system is deactivated automatically inthefollowing situations:
Rafter unlockingthevehicle withthe SmartKey
Rafter pressingthestart/stop button withtheSmartKeyinthestowage compartment(page145)
Rafter unlockingthevehicle using KEYLESS-GO
Whenthe Mercedes‑Benz emergency callsystem is active andthe alarmstays onformorethan 30 seconds, a message is auto‐matically senttothe Customer AssistanceCenter (page322).
DeactivatingtheATAPressthe6,7or

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.
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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.
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Toswitch off/reducethe level:press but‐ton1repeatedly untilthe desiredventila‐tion level is set.If all indicator lamps are off,the seatventila‐tion is switched off.
Steering wheel
Adjusting thesteering wheel manually
\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,the
steering wheel orthe mirror andfastenyour seat belt.
\nWARNINGRisk of entrapmentforchil‐dren when adjustingthesteering wheel
Children could injurethemselves iftheyadjustthesteering wheel.
Never leavechildren unattended inthevehicle.
When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Pushrelease lever1down asfar as it willgo.Thesteering column is unlocked.
Adjust height2and distance3tothesteering wheel.Pushrelease lever1up asfar as it will go.Thesteering column is locked.
Check and make surethatthesteering col‐umn is lockedbymovingthesteering wheel.
100Seats andstowing

Duringthe adjustment process oftheeasy entryandexitfeature, make surethat no one has any body parts inthesweep ofthesteering wheel.
Movethe adjustment lever ofthesteer‐ing wheel ifthere is arisk of becomingtrappedbythesteering wheel.The adjustment process isstopped.
\nWARNINGRisk of becoming trappedduring activation ofthe easy entryandexitfeaturebychildren
Ifchildren activatethe easy entryandexitfeature,theycan become trapped, particu‐larlywhen unattended.
Never leavechildren unattended inthevehicle.
When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Vehicles with memory function:You canstopthe adjustment processbypressing one ofthememory function position buttons.
Ifthe easy entryandexitfeature is active,thesteering wheel will moveupwards ortowardsthedashboard inthefollowing situations:
Ryou switchthe ignition off
Ryou openthe driver's door
Thesteering wheel moves upwards andtowardsthe dashboard only if it has notalreadyreachedthesteering limiter.
Thesteering wheel moves backtothe last driveposition inthefollowing cases:
Ryou closethe driver's door whenthe ignitionis switched on
Ryou pressthestart/stop button once.
The last drive position isstored inthefollowingsituations:
Ryou switchthe ignition off
Ryou savethe setting withthe memory func‐tion
Ifyou press one ofthe memory function positionbuttons,the adjustment process isstopped.
Settingthe easy entry andexitfeature
Multimedia system:
VehicleîVehicle SettingsEasy Entry/Exit
SelectSteering Wheel & Seat,SteeringWheel OnlyorOff.
Operatingthe memory function
\nWARNINGRisk of an accident ifthememory function is used while driving
Ifyou usethe memory function onthe driv‐er's side while driving,you could lose controlofthevehicle as aresult ofthe adjustmentsbeing made.
Only usethe memory function onthedriver's side whenthevehicle isstation‐ary.
102Seats andstowing

\nWARNINGRisk of entrapment when set‐tingthe seat withthe memory function
Whenthe memory function adjuststhe seatorsteering wheel,you andothervehicleoccupants – particularlychildren – couldbecome trapped.
Duringthe setting procedure ofthememory function, ensurethat no bodyparts are inthe sweep ofthe seat orthesteering wheel.
If somebody becomes trapped, immedi‐atelyreleasethe memory function posi‐tion button.The adjustment process isstopped.
\nWARNINGRisk of entrapment ifthememory function is activatedbychildren
Children could become trapped iftheyacti‐vatethe memory function, particularly whenunattended.
Never leavechildren unattended inthevehicle.
When leavingthevehicle, alwaystakethekey withyou and lockthevehicle.
The memory function can be used whenthe igni‐tion is switched off.
StoringSeat adjustmentsfor uptothree people can bestored and called up usingthe memory function.
Thefollowing systems can be selected:
RSeat, backrest and headrestraint
RSteering wheel
ROutside mirrors
RHead-up Display
Setthe seat,thesteering wheel,the Head-upDisplay andthe outside mirrorstothedesired position.
Press memory button M andthen press pre‐set position button1,2 or 3 withinthree sec‐onds.An acoustic signal sounds. The settings arestored.
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Always be particularlycareful when inthe vicinity ofthetailpipe andtailpipetrims and supervisechildrenveryclosely when inthis area.
Before any contact, allowthe car partstocool down.
The drivingcharacteristics ofyourvehicle aredependent onthe distribution ofthe load withinthevehicle.You should bearthefollowing inmind when loadingthevehicle:
Rneverexceedthe permissible gross mass orthe gross axleweightratingforthevehicle(including occupants). Thevalues are speci‐fied onthevehicle identification plate onthevehicle's B-pillar.
Rthe load must not protrude abovethe upperedge ofthe seat backrests.
Ralways placethe load behind unoccupiedseats if possible.
Rsecurethe load usingthe tie-downeyes anddistributethe loadevenly.
Stowage spaces inthevehicle interior
Overview ofthe frontstowagecompart‐ments
1Stowage compartment inthe doors
2Stowage compartment inthe armrest with amultimedia and USB connection
3Stowage compartment inthe front centerconsole with a USB connection
4Glovebox
Locking and unlockingtheglovebox
Turnthe emergencykey aquarter turn clock‐wiseH(to lock) or counter-clockwiseG(tounlock).
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\nWARNINGRisk of becoming trappedwhen pressingthe EASY-PACK trunk boxin
Whenthe EASY-PACK trunk box is pressedintotheretracted position,your hands maybecome trapped. Children, in particular, mayinjurethemselves when doing so.
When pressingthe EASY-PACK trunkbox in, make surethatyour hands arenot withinthe sweep ofthe EASY-PACKtrunk box.
When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Never leavechildren unattended inthevehicle.
NOTEDamagetotheextended EASY-PACK trunk box
The EASY-PACK trunk box may be damagedwhen it isextended.
Do not place any objects on or pressdown onthe EASY-PACK trunk boxframe.
Do not closethe trunk lid whentheEASY-PACK trunk box isextended.
NOTEDamagetothe EASY-PACK trunkboxbyobjects
Objects which are sharp-edged, pointed,fragile,rounded or heavy and objectsthatroll can damagethe EASY-PACK trunk boxand bethrown out.
Do not transport objects which aresharp-edged, pointed,rounded or frag‐ile and objectsthatroll inthe EASY-PACK trunk box.
Alwaysstowand secure such objectsoutside ofthe box inthe trunk.
Always observethe maximum permittedload ofthe EASY-PACK trunk box.
Do not usethe EASY-PACK trunk boxwhentherear seats arefoldedfor‐wards.
The maximum permitted load ofthe EASY-PACKtrunk box is 22 lbs (10kg).Topreventthe boxfrom beingoverloaded,the boxfloor will lowerontothe trunkfloor whenthe loadreachesapproximately11lbs (5kg).
Toremove:pull handle2onthe box.
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Driving
Notes on Mercedes-AMGvehicles
Observethe notes onthefollowingtopics intheSupplement, asyou mayotherwisefailtorecog‐nize dangers:
RRear axle locking differential
RAMGPerformanceexhaust system
RAMG ceramic high-performance compositebrake system
RRACESTART
RAMG adaptive sportsuspension system
Switchingthe power supplyor ignition onwithoutstartingthe engine
\nWARNINGRisk of accident and injuryduetochildren left unattended inthevehicle
Ifchildren are left unattended inthevehicle,theycould:
Ropen doors,thereby endangeringotherpersons orroad users.
Rget out ofthevehicle and be hitbyoncoming traffic.
Roperate vehicle equipment and becometrapped,forexample.
In addition,children could also setthevehi‐cle in motion,forexample,by:
Rreleasingthe parking brake.
Rshiftingthe automatic transmission out ofpark position].
Rstartingthe engine
Never leavechildren and animals unat‐tended inthevehicle.
When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Keepthe SmartKeyout ofthereach ofchildren.
Requirements:RThe SmartKeyis inthevehicle and isrecog‐nized.
RThe brake pedal is not depressed.
14 4Driving and parking