lock MERCEDES-BENZ SLC 2019 Owner's Guide

The opening dimensions of the trunk lid can befound in the "Vehicle data" section(Ypage 303).
Do not leave the SmartKey in the trunk. Youcould otherwise lock yourself out.
The trunk lid can be:
Ropened/closed from outside
Ropened automatically from outside
Rlocked separately
Ropened with the emergency release button
Runlocked with the mechanical key
You should preferably place luggage or loadsin the trunk.
Opening/closing from outside
Opening
XPress the6button on the SmartKey.
XPull handleC.
XLift the trunk lid.
Closing
XPull the trunk lid down using recessC.
XLock the vehicle if necessary with the7button on the SmartKey or with KEYLESS-GO.
It does not lock if a SmartKey with KEYLESS-GO is detected in the trunk.
Locking the trunk separately
You can lock the trunk separately. If you thenunlock the vehicle centrally, the trunk remainslocked and cannot be opened.
XClose the trunk lid.
XTake the mechanical key out of the Smart-Key (Ypage 68).
XInsert the mechanical key into the trunk lidlock as far as it will go.
XTurn the mechanical key clockwise frompositionGto positionH.
XRemove the mechanical key.
XInsert the mechanical key into the Smart-Key.
Unlocking the trunk (mechanical
key)
!The trunk lid swings upwards whenopened. Therefore, make sure that there issufficient clearance above the trunk lid.
If the trunk cannot be unlocked with theSmartKey or KEYLESS-GO, use the mechanicalkey.
If you use the mechanical key to unlock andopen the trunk lid, the anti-theft alarm systemwill be triggered. Switch off the alarm(Ypage 64).
74Trunk
Opening and closing

XTake the mechanical key out of the Smart-Key (Ypage 68).
XInsert the mechanical key into the trunk lidlock as far as it will go.
XTurn the mechanical key from positionGcounter-clockwise as far as it will go to posi-tionH. Simultaneously pull the trunk lidhandle.The trunk is unlocked.
XTurn the mechanical key back to positionGand remove it.
XInsert the mechanical key into the Smart-Key.
Emergency release for the trunk
You can unlock the trunk lid from the insidewith the emergency release button.
XPress emergency release buttonCbriefly.The trunk lid unlocks and opens.
The trunk lid can be unlocked and opened withthe trunk lid emergency release when the vehi-cle is stationary or while driving.
The trunk lid emergency release does notunlock the trunk lid if the battery is disconnec-ted or discharged.
Trunk lid emergency release light:
REmergency release buttonCflashes for30 minutes after the trunk lid is opened
REmergency release buttonCflashes for60 minutes after the trunk lid is closed
Side windows
Important safety notes
GWARNING
While opening the side windows, body parts
could become trapped between the side
window and the door frame as the side win-
dow moves. There is a risk of injury.
Make sure that nobody touches the side
window during the opening procedure. If
somebody becomes trapped, release the
switch or pull the switch to close the side
window again.
GWARNING
While closing the side windows, body parts
in the closing area could become trapped.
There is a risk of injury.
When closing make sure that no parts of the
body are in the closing area. If somebody
becomes trapped, release the switch or
press the switch to open the side window
again.
GWARNING
If children operate the side windows they
could become trapped, particularly if they
are left unsupervised. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle.
Never leave children unsupervised in the
vehicle.
Side window reversing feature
The front side windows are equipped with anautomatic reversing feature. If a solid objectblocks or restricts the upward movement of
Side windows75
Opening and closing
Z

one of the front side windows during the clos-ing process, the side window opens againautomatically. During the manual closing proc-ess, the side window only opens again auto-matically after the corresponding switch isreleased. However, the automatic reversingfeature is only an aid and does not relieve youof the responsibility of paying attention whenclosing a side window.
GWARNING
The reversing feature does not respond:
Rto soft, light and thin objects, e.g. fingers
Rover the last 1/6 in (4 mm) of the closing
movement
Rwhile adjusting
Rwhen closing the side window again man-
ually immediately after automatic revers-
ing
This means that the reversing feature can-
not prevent someone being trapped in these
situations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
someone becomes trapped, press the
switch to open the side window again.
Opening and closing the side win-
dows in the front
The switches for the front side windows arelocated on the driver's door. There is also aswitch for the front-passenger side window onthe front-passenger door.
The switches on the driver's door take prece-dence.
CLeft
DRight
XTurn the SmartKey to positionGorHinthe ignition lock.
XTo open manually:press and hold the cor-responding switch.
XTo open fully:press the switch beyond thepressure point and release it.Automatic operation is started.
XTo close manually:pull the correspondingswitch and hold it.
XTo close fully:pull the switch beyond thepressure point and release it.Automatic operation is started.
XTo interrupt automatic operation:pressor pull the corresponding switch again.
You can continue to operate the side windowsafter you switch off the engine. This function isavailable for up to five minutes or until thedriver's or front-passenger door is opened.
Opening and closing all side win-
dows
Using the switch on the center con-
sole
GWARNING
While opening the side windows, body parts
in the closing area could become trapped.
There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
somebody becomes trapped, release the
switch or press the switch down to open the
side window again.
76Side windows
Opening and closing

You can use the switch on the center consoleto close all side windows simultaneously.
XOpen the cover in the lower center console.The switch for all side windows is under thecover.
XTo open all side windows:press buttonCto the point of resistance.
XTo open all side windows fully:pressswitchCbeyond the point of resistance.
XTo close all side windows:pull switchC.All side windows begin the closing proce-dure simultaneously. The rear side windowsclose after the front side windows.
If, after opening the windows, you close oneside window using the switch in the door con-trol panel:
Rthe front side window closes first and
Rthen the corresponding rear side windowcloses.
Convenience closing with KEYLESS-GO
GWARNING
When using the convenience closing feature,
parts of the body could be trapped in the
closing area when a side window is being
closed. There is a risk of injury.
Observe the complete closing procedure
when the convenience closing feature is
operating. Make sure that no body parts are
in close proximity during the closing proce-
dure.
Proceed as follows if someone is trapped:
XRelease the recessed sensor surface on thedoor handle.
XImmediately pull and hold the door handleand keep the door handle pulled.The side windows open.
With KEYLESS-GO you can close all side win-dows simultaneously. The KEYLESS-GO keymust be outside the vehicle. All the doorsmust be closed.
XTouch recessed sensor surfaceCon thedoor handle until the side windows are fullyclosed.
iMake sure you only touch recessed sensorsurfaceC.
XTo interrupt convenience closing:releaserecessed sensor surfaceCon the doorhandle.
Resetting the side windows
If a side window can no longer be closed fully,you must reset it.
XClose all the doors.
XTurn the SmartKey to positionGorHinthe ignition lock.
XPull the corresponding switch on the doorcontrol panel until the side window is com-pletely closed (Ypage 76).
XHold the switch for an additional second.
If the side window opens again slightly:
XImmediately pull the corresponding switchon the door control panel until the side win-dow is completely closed (Ypage 76).
XHold the switch for an additional second.If the respective side window remainsclosed after the button is released, then it
Side windows77
Opening and closing
Z

has been set correctly. If this is not thecase, repeat the steps above.
Problems with the side windows
GWARNING
If you close a side window again immediately after it has been blocked or reset, the side win-
dow closes with increased or maximum force. The reversing feature is then not active. Parts of
the body could be trapped in the closing area in the process. This poses an increased risk of
injury or even fatal injury.
Make sure that no parts of the body are in the closing area. To stop the closing process,
release the switch or push the switch again to reopen the side window.
ProblemPossible causes/consequences andPPSolutions
A side window cannotbe closed because it isblocked by objects, e.g.leaves in the windowguide.
XRemove the objects.
XClose the side window.
A side window cannotbe closed and you can-not see the cause.
If a side window is obstructed during closing and reopens againslightly:
XImmediately after the window blocks, pull the correspondingswitch again until the side window has closed.The side window is closed with increased force.
If a side window is obstructed again during closing and reopensagain slightly:
XImmediately after the window blocks, pull the correspondingswitch again until the side window has closed.The side window is closed without the automatic reversing fea-ture.
The side windows can-not be opened or closedusing the convenienceopening/closing fea-ture.
The SmartKey battery is discharged or nearly discharged.
XCheck the SmartKey battery (Ypage 69) and replace it if neces-sary (Ypage 69).
Roof
Important safety notes
GWARNING
If you do not fully open/close the soft top,
the soft-top hydraulics depressurize after a
short time. This causes the soft top to lower
unexpectedly and may cause you or others
to be trapped. There is a risk of injury.
Always open or close the soft top com-
pletely.
GWARNING
Closing the roof manually is a complicated
and technically demanding procedure, which
requires a lot of strength. You or others can
become trapped. There is a risk of injury.
78Roof
Opening and closing

If you operate the roof switch and theTrunk Partition OpenTrunk Partition Openmessage appearsin the multifunction display, the trunk parti-tion is not closed correctly.
XClose the trunk partition.
XTo close:press and hold soft-top switchCuntil the soft top is fully closed.TheVario-Roof in OperationVario-Roof in Operationmessageappears in the multifunction display. Oncethe opening procedure is complete, themessage disappears and a tone sounds.
All of the side windows open.
XTo close all side windows, pull the switchunder the cover of the center console(Ypage 76).
Opening/closing using the SmartKey
Important safety notes
GWARNING
When opening or closing the roof, body
parts could be trapped by, for example, the
roof mechanism, trunk lid or side windows.
There is a risk of injury.
When raising or lowering the roof, make
sure that no body parts are in the vicinity of
moving components. If someone becomes
trapped, release the button.
Opening and closing
This function is only available on vehicles withKEYLESS-GO or with roof comfort operation.
XClose the trunk lid (Ypage 73).
XVehicles with comfort operation:pointthe tip of the SmartKey at the driver's doorhandle.
XVehicles with KEYLESS-GO:the SmartKeymust be within 6 ft (2 m) of the vehicle.
XTo open:press and hold the6button onthe SmartKey until the roof is fully opened.The roof and the rear side windows open.The front side windows close.
XTo interrupt the opening procedure:release the6button.
XTo open the front side windows:press the6button on the SmartKey again.
XTo close:press and hold the7buttonon the SmartKey until the roof is fullyclosed.The roof and the side windows close.
XTo interrupt the closing procedure:release the7button.
Locking the roof again
Important safety notes
GWARNING
If you do not fully open/close the soft top,
the soft-top hydraulics depressurize after a
short time. This causes the soft top to lower
unexpectedly and may cause you or others
to be trapped. There is a risk of injury.
Always open or close the soft top com-
pletely.
The roof is not locked if:
RtheYsymbol and theVario-Roof inVario-Roof inOperationOperationmessage appear in the multi-function display
RtheYsymbol and theOpen/CloseOpen/CloseVario-Roof CompletelyVario-Roof Completelymessage appearin the multifunction display and you hear awarning tone
Ryou hear a warning tone for up to ten sec-onds when pulling away or while driving
Locking
You can lock the roof again if it is not lockedfully.
XPull over and stop the vehicle safely as soonas possible, paying attention to road andtraffic conditions.
XEnsure that the SmartKey is in positionHin the ignition lock.
XPress the roof switch (Ypage 79).
Trunk partition
General notes
!To avoid damaging the roof or luggagewhen folding back the roof, you should:
80Roof
Opening and closing

Ronly load the trunk to below the trunk par-tition
Rnot place any objects on or in front of thetrunk partition
Rnot place any objects on the cover behindthe roll bars
Rnot allow the cargo to push the trunk par-tition upwards
The trunk partition can be used to cover lug-gage and loads in the trunk.
Opening and closing
XTo open:grip the handle of trunk parti-tionC.
XPress the release button in the handle oftrunk partitionC.Trunk partitionCis unlocked.
XPull trunk partitionCup out of the eyeletson the edge of the trunk.
XPush trunk partitionCforwards against thedirection of the arrow by handle.
XTo close:pull back trunk partitionCby thehandle in the direction of the arrow andengage into the eyelets on the edge of thetrunk on both sides.
Wind screen
Important safety notes
GWARNING
If you use the wind screen in darkness or in
other conditions offering poor visibility, your
view to the rear is further impaired. There is
a risk of an accident.
Only use the wind screen when visibility con-
ditions are good.
GWARNING
If the wind screen is incorrectly installed, it
could detach itself during a journey and
endanger other road users. There is a risk of
an accident and injury.
Install the wind screen as described.
!Install or remove the wind screen onlywhen the roof is open. You could otherwisedamage the wind screen or the vehicle inte-rior.
The wind screen offers protection from thewind when driving with the roof down.
The wind screen can be installed or removedfrom the driver's side or passenger side.
For operations involving the wind screen, it ispreferable to be positioned on the side of thevehicle facing away from the traffic, after stop-ping the vehicle in accordance with the trafficconditions.
Installing and removing the wind
screen
Preparing for installation
CWind screen
DUnlocked latch

Runlocking buttonsRandLpoint in thedirection of travel.
RlatchDfacing you is unlocked.
Rlatch

"Digital Vehicle Key" function is activated via
Mercedes me connect. Never leave children
unsupervised in the vehicle.
The seats can still be adjusted when there isno SmartKey in the ignition lock.
GWARNING
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on
the seat guide rail. There is a risk of injury.
When adjusting a seat, make sure that no
one has any body parts in the sweep of the
seat.
GWARNING
If the driver's seat is not engaged, it could
move forwards as far as the next catch dur-
ing movement such as braking or abrupt
changes of direction. As a result, you would
be pushed against your seat belt by the
unsecured driver's seat.
This could cause you to lose control of the
vehicle. The seat belt cannot protect as
intended and could result in additional
injury.
There is a risk of an accident and injury.
Before every journey, make sure that the
driver's seat is fully engaged.
Observe the safety notes on "Air bags"(Ypage 43) and "Children in the vehicle"(Ypage 53).
GWARNING
If the driver's seat is not engaged, it could
move unexpectedly while the vehicle is in
motion. This could cause you to lose control
of the vehicle. There is a risk of an accident.
Always make sure that the driver's seat is
engaged before starting the vehicle.
GWARNING
If you adjust the seat height carelessly, you
or other vehicle occupants could be trapped
and thereby injured. Children in particular
could accidentally press the electrical seat
adjustment buttons and become trapped.
There is a risk of injury.
While moving the seats, make sure that your
hands or other body parts do not get under
the lever assembly of the seat adjustment
system.
GWARNING
If the head restraints are not installed or not
adjusted correctly, they cannot provide pro-
tection as intended. There is an increased
risk of injury in the head and neck area, e.g.
in the event of an accident or when braking.
Always drive with the head restraints instal-
led. Before driving off, make sure for every
vehicle occupant that the center of the head
restraint supports the back of the head at
about eye level.
GWARNING
You could lose control of your vehicle if you
do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint,
steering wheel and mirror and fasten your
seat belt before starting the engine.
!To prevent damage to the seats and theseat heating, observe the following notes:
RDo not spill liquids onto the seats. Dry theseats as soon as possible if liquid doesget spilled on the seats.
RIf the seat covers are damp or wet, do notswitch on the seat heating. Also, do notuse the seat heating to dry the seats.
RClean the seat covers as recommended;see the "Interior care" section.
RDo not transport heavy loads on theseats. Do not place pointed objects onthe seat cushions such as knives, nails ortools. Where possible, use the seats onlyfor carrying passengers.
RWhen operating the seat heating, do notcover the seats with insulating materials,
86Seats
Seats, steering wheel and mirrors

Problems with the seat heating
ProblemPossible causes/consequences andPPSolutions
The seat heating hasswitched off prema-turely or cannot beswitched on. The vehi-cle's electrical systemvoltage is too lowbecause too many elec-trical consumers areswitched on.
Switch off electrical consumers that you do not need, such as therear window defroster or interior lighting.
Once the battery is sufficiently charged, switch on the seat heatingagain.
AIRSCARF
Setting head level heating (AIRSCARF)
GWARNING
When AIRSCARF is switched on, very hot air
can flow from the vents in the head
restraints. This could result in burns in the
immediate vicinity of the air vents. There is a
risk of injury.
Reduce the heater output before it becomes
too hot.
The AIRSCARF function warms the head andneck area of vehicle occupants with warm air.The warm air flows out of the holes in the headrestraints.
The three red indicator lamps in the buttonindicate the heating level you have selected.
XEnsure that the SmartKey is in positionHin the ignition lock.
XTo switch on:press buttonC.Three red indicator lamps in the button lightup. The blower starts up after a preheatingphase of seven seconds.
XPress buttonCrepeatedly until the desiredheating level is set.
XTo switch off:press buttonCrepeatedlyuntil all the indicator lamps go out.
iThe blower continues running for sevenseconds to cool down the heating elements.
iIf the battery voltage is too low, AIRSCARFmay switch off.
Problems with AIRSCARF
AIRSCARF has switched off prematurely or willnot switch on. The vehicle's electrical systemvoltage is too low because too many electricalconsumers are switched on.
XSwitch off electrical consumers that you donot need, such as the rear window defrosteror interior lighting.
XSwitch on AIRSCARF again.
Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you
do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Steering wheel89
Seats, steering wheel and mirrors
Z