2017 MERCEDES-BENZ SLC-Class window

deployed air bags replaced and faulty air bags
repaired. This will help to make sure the air bags
continue to performtheir protective function for
the vehicle occupants in the event of acrash.
GWARNING
Emergenc yTensioning Devices that have
deployed pyrotechnically are no longer opera-
tional and are unable to performt heir inten-
ded protective function .This poses an
increased risk of injury or even fatal injury.
Have pyrotechnically triggered Emergency
Tensioning Devices replaced immediately at a
qualified specialist workshop.
An electric moto risused by PRE-SAFE
®to trig-
ger the tightenin gofthe seat belt in hazardous
situations. This procedure is reversible.
If Emergenc yTensioning Devices are triggered
or air bags are deployed, you will hear abang,
and asmall amount of powder may also be
released. The 6restraint system warning
lamp lights up.
Only in rare cases will the bang affect your hear-
ing. The powder that is released generally does
not constitute ahealth hazard, but it may cause
short-term breathin gdifficulties in people with
asthma or other respiratory problems. Provided
it is safe to do so, you should leave the vehicle
immediately or open the window in order to pre-
vent breathin gdifficulties.
Air bags and pyrotechnic Emergenc yTensioning
Devices (ETDs) contain perchlorate material,
which may require special handling and regard
for the environment. National guidelines must
be observed during disposal. In California, see
www.dtsc.ca.gov/HazardousWaste/
Perchlorate/index.cfm .
Method of operation
Duringthe first stage of acollision, the restraint
system control unit evaluates important physi-
cal data relatin gtovehicle deceleration or accel-
eration ,such as:
Rduration
Rdirection
Rintensity
Based on the evaluation of this data, the
restraint system control unit triggers the Emer-
genc yTensioning Devices during afrontal or
rear collision. An Emergenc
yTensioning Devic ecan only be
triggered, if:
Rthe ignition is switched on
Rthe component softhe restraint system are
operational. You can find further information
under: "Restraint system warning lamp"
(
Ypage 37)
Rthe belt tongue has engaged in the belt buckle
of the respective seat
If the restraint system control unit detects a
more severe accident, further component sof
the restraint system are activated independ-
ently of each other in certain frontal collision
situations:
RFronta ir bags as well as driver'sa nd front-
passenger knee bags
The front-passenger fronta ir bag is activated or
deactivated dependin gonthe person on the
front-passenger seat. The front-passenger front
air bag can only deploy in an accidentift he
PASSENGER AIR BAGONi ndicator lamp is lit.
Observe the information on the PASSENGER AIR
BAGi ndicator lamps (
Ypage 38).
Your vehicle has two-stage fronta ir bags. During
the first deployment stage, the fronta ir bag is
filled with propellant gas to reduce the risk of
injuries. The fronta ir bag is fully deployed with
the maximum amount of propellant gas if asec-
ond deployment threshold is reached within a
few milliseconds.
The activation threshold of the Emergenc yTen-
sionin gDevices and the air bag are determined
by evaluating the rate of vehicle deceleration or
acceleration which occurs at various point sin
the vehicle. This processisp re-emptive in
nature. Deploymen tshould take place in good
time at the start of the collision.
The rat

e of vehicle deceleration or acceleration
and the direction of the forcea re essentially
determined by:
Rthe distribution of forces during the collision
Rthe collision angle
Rthe deformation characteristic softhe vehicle
Rthe characteristic softhe objec twith which
the vehicle has collided
Factors which can only be seen and measured
after acollision has occurred do not play adeci-
sive role in the deployment of an air bag. Nor do
they provide an indication of air bag deploy-
ment.
The vehicle can be deformed considerably, with-
out an air bag being deployed. This is the case if
Occupant safety49
Safety
Z

Resetting triggeredNECK-PRO head
restraints
Do not insert your finger between the upholstery of the hea drestraint and the seat. Payp articular
attention whil eresetting the NECK-PROh ead
restraints.
XTilt the top of the NECK-PROh eadr estraint
cushio nforward sinthe direction of arrow :.
XPush the NECK-PROh eadr estraint cushion
dow nasfar as it will go in the direction of
arrow ;.
XFirmly push the NECK-PROh eadr estraint
cushio nbackint he direction of arrow =until
the cushio nengages.
XRepea tthis procedure for the second NECK-
PROh eadr estraint.
iResetting the NECK-PROh eadr estraints
requires alot of strength. If yo uhaved ifficulty
resetting the NECK-PROh eadr estraints, have
this work carrie doutataq uali fied specialist
workshop.
PRE-SAFE®(anticipatory occupant
protection system)
PRE-SAFE®informs yo uofcertain critical driving
situations and take spre-emptive measures to
protect the vehicl eoccupants.
PRE-SAFE
®can take the following measures
independentl yofeacho ther:
Rpre-tensioning the driver' sand front-
passenger seatbelt.
Rclosing the sid ewindows.
Rvehicles with amemory function: setting a
more favorabl eseatp osition for the front-
passenger seat.
!Make sure that there are no objects in the
footwell or behind the seats. There is adanger
that the seats and/or objects could be dam-
aged when PRE-SAFE
®is activated.
Should an accident not occur, the preventative
measures take nare reversed. Certai nsettings
mus tbem adey ourself.
XIf the sea tbeltp re-tensioning is not reduced,
move the sea tbackrest back slightly.
Seatb eltp re-tensioning is released.
Automatic measures after an acci-
dent
Immediately afte ranaccident, the following
measures are implemented, depending on the
typ eand severity of the impact:
Rthe hazard warning lamps are activated
Rthe emergency lighting is activated
Rthe vehicl edoors are unlocked
Rthe front sid ewindow sare lowered
Rvehicles with amemory function: the electri-
cally adjustabl esteering wheel is raised
Rthe engine is switched off and the fue lsuppl y
is cut off
Rvehicles with mbrace: automatic emergency
call
Childrenint he vehicle
Important safety notes
Ifac hild younger than twelve years olda nd
under 5ft(1.50 m) in height is traveling in the
vehicle:
Ralways secur ethe child in achild restraint
systems uitabl efor Mercedes-Benz vehicles.
The child restraint systemm ustbea ppropri-
ate to the age, weight and size of the child
Rbe sure to observe the instructions and safety
note sint hissectio nina dditiontot he child
restraint systemm anufacturer's installation
instructions
Rbe sure to observe the instructions and safety
note sont he "Occupant classification system
(OCS) "(
Ypage 44)
Children in the vehicle51
Safety
Z

Unlocking and opening doors from
the inside
!
The side windows will not open/close if the
battery is discharged or if the side windows
have iced up. It will then not be possible to
close the door. Do not attempt to forcet he
door closed. You could otherwise damage the
door or the side window.
You can open adoor from inside the vehicle
even if it has been locked.
If the vehicle has previously been locked from
the outside, openin gadoor from the inside will
trigger the anti-theft alarm system .Switc hoff
the alarm (
Ypage 61).
XPull door handle ;.
If the door is locked, locking knob :pops up.
The door is unlocked and can be opened.
When adoor is opened, the side window on that
side opens slightly. When the door is closed, the
side window closes again.
Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle from
the inside. For example, you can unlock the
front-passenge rdoor from the inside or lock the
vehicle before you pull away.
XTo unlock: press button :.
XTo lock:press button ;.
If the front-passenge rdoor is closed, the vehi-
cle locks.
The central locking button does not lock or
unlock the fuel filler flap or the stowage com-
partment in the center console.
You cannot unlock the vehicle centrally from the
inside if the vehicle has been locked with the
SmartKey or KEYLESS-GO.
You can open adoor from inside the vehicle
even if it has been locked.
If al ocked door is opened from the inside, the
previous unlock status of the vehicle will be
taken int oconsideratio nif:
Rthe vehicle was locked using the locking but-
ton for the central locking, or
Rif the vehicle was locked automatically
The vehicle will be fully unlocked if it had previ-
ously been fully unlocked. If only the driver's
door had been previously unlocked, only the
door which has been opened from the inside is
unlocked.
Automatic locking feature
Doors69
Opening and closing
Z

tion2.S imultaneouslyp ullthe trunk li dhan-
dle.
The trunk is unlocked.
XTurn the mechanica lkey back to position 1
and remove it.
XInsert the mechanica lkey into the SmartKey.
Trunk emergenc yrelease
Youc an unlock the trunk li dfromt he insid ewith
the emergency release button.
XPress emergency release button :briefly.
The trunk li dunlocks and opens.
The trunk li dcan be unlocke dand opene dwith
the trunk li demergency release when the vehi-
cle is stationar yorwhiledriving.
The trunk li demergency release does not unlock
the trunk li difthe battery is disconnecte dor
discharged.
Trunk li demergency release light:
REmergency release button :flashe sfor
30 minute safter the trunk li disopened
REmergency release button :flashe sfor
60 minute safter the trunk li disclosed
Side windows
Important safety notes
GWARNING
Whil eopening the side windows ,bod yp arts
could become trapped between the side win-
do wa nd the door frame as the side window
moves .There is ariskofi njury.
Make sure thatn obodytouche sthe side win-
do wd uringt he opening procedure. If some-
body become strapped ,release the switch or
pull the switch to close the side windo wagain .
GWARNING
Whil eclosing the side windows ,bod yp arts in
the closing area could become trapped .There
is ar iskofi njury.
When closing make sure thatnop arts of the
body ar einthe closing area .Ifsomebody
become strapped ,release the switch or press
the switch to open the side windo wagain .
GWARNING
If children operate the side windows they
could become trapped ,particularly if theya re
left unsupervised .There is ariskofi njury.
When leaving the vehicle, always take the
SmartKeyw ithy ou and lock the vehicle. Never
leav echildren unsupervised in the vehicle.
Side windo wreversin gfeature
The front side windows ar eequippe dwitha n
automatic reversing feature. If asolid object
blocks or restricts the upward movement of one
of the front side windows durin gthe closing
process, the side windo wopens agai nautomat-
ically. During the manua lclosing process, the
side windo wonlyo pens agai nautomatically
after the corresponding switch is released. How-
ever, the automatic reversing featur eisonlya n
ai da nd does not relieve yo uofthe responsibility
of paying attentio nwhenc losing asidew indow.
GWARNING
The reversing featur edoesn ot react:
Rto soft, light and thino bjects ,e.g.s mall fin-
gers
Rove rthe last 1/6 in(4 mm) of the closing
movement
Rdurin gresetting
Rwhen closing the side windo wagain man-
uall yimm ediatel yafter automatic reversing
Thi sm eans thatt he reversing featur ecannot
prevent someone being trapped in these sit-
uations. There is ariskofi njury.
72Side windows
Openin gand closing

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 are
located on the driver's door. There is also a
switch for the front-passenger side window on
the front-passenger door.
The switches on the driver's door take prece-
dence.
:Left
;Right
XTurn the SmartKey to position1or 2in the
ignition lock.
XTo open manually: press and hold the cor-
responding switch.
XTo open fully: press the switch beyond the
point of resistance and release it.
Automatic operation is started.
XTo close manually: pull the corresponding
switch and hold it.
XTo close fully: pull the switch beyond the
point of resistance and release it.
Automatic operation is started.
XTo interrupt automatic operation: press or
pull the corresponding switch again.
You can continue to operate the side windows
after you switch off the engine. This function is
available for up to five minutes or until the driv-
er's or front-passenger door is opened.
Opening and closing all side windows
Using the switch on the center console
GWARNING
While opening the side windows, body parts in
the closing area could become trapped. There is ar isk 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.
You can use the switch on the center console to
close all side windows simultaneously.
XOpen the cover in the lower center console.
The switch for all side windows is under the
cover.
XTo open all side windows: press button:
to the point of resistance.
XTo open all side windows fully: press
switch :beyond the point of resistance.
XTo close all side windows: pull switch:.
All side windows begin the closing procedure
simultaneously.T he rear side windows close
after the front side windows.
If, after opening the windows, you close one side
window using the switch in the door control
panel:
Rthe front side window closes first and
Rthen the corresponding rear side window
closes.
Side windows73
Opening and closing
Z

Convenience closing with KEYLESS-GO
GWARNING
When usingt heconvenience closingf eature,
part soft hebody coul dbetrapped in th eclos-
ing area when aside window is beingc losed.
Thereisar iskofi njury.
Observ ethe completec losingprocedure
when th econvenience closingf eature is oper-
ating. Makes ure that no body partsa re in
close proximity durin gthe closingp rocedure.
Procee dasfollows if someoneist rapped:
XRelease th erecessed sensor surface on the
door handle.
XImmediately pull and hold th edoor handle
and keep th edoor handle pulled.
The side windows open.
WithK EYLESS-GO you can close all side win-
dows simultaneously. The KEYLESS-GO key
must be outside th evehicle .All th edoorsm ust
be closed.
XTouchr ecessed sensor surface :on the
door handle until th eside windows are fully
closed.
iMakes ure you only touch recessed sensor
surface :.
XTo interrup tconvenience closing: release
recessed sensor surface :on th edoor han-
dle.
Resetting th esidew indows
Ifas ide window can no longer be closed fully,
you must reset it.
XClose all th edoors.
XTurn th eSmartKey to position 1or 2in the
ignition lock.
XPull th ecorrespondings witch on thedoor
control panel until th eside window is com-
pletely closed (
Ypage 73).
XHol dthe switch for an additional second.
If th eside window opensa gain slightly:
XImmediately pull thecorrespondings witch on
th ed oor control panel until th eside window is
completely closed (
Ypage 73).
XHol dthe switch for an additional second.
If th erespectiv eside window remains closed
after th ebutto nisr eleased, then it has been
set correctly. If this is no tthe case, repeat the
steps above.
74Sidew indows
Opening and closing

Problems with the side windows
GWARNING
If you close aside window again immediately after it has been blocked or reset, the side window
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 and MSolutions
Aside window cannot be
closed because it is
blocked by objects, e.g.
leaves in the window
guide.XRemove the objects.
XClose the side window.
As ide window cannot be
closed and you cannot
see the cause.If as ide window is obstructed during closing and reopens again
slightly:
XImmediately after the window blocks, pull the correspondings witch
again until the side window has closed.
The side window is closed with increased force.
If as ide window is obstructed again during closing and reopens again
slightly:
XImmediately after the window blocks, pull the correspondings witch
again until the side window has closed.
The side window is closed without the automatic reversing feature.
Roof
Important safety notes
GWARNING
If you do not fully open/close the soft top, the
soft-top hydraulics depressurize after ashort
time. This causes the soft top to lower unex-
pectedly and may cause you or others to be
trapped. There is arisk of injury.
Always open or close the soft top completely.
GWARNING
Closing the roof manually is acomplicated
and technically demanding procedure, which
requires alot of strength. You or others can
become trapped. There is arisk of injury.
Only have the soft top closed manually at a
qualified specialist workshop.
!Never sit on the rear shelf or store heavy
object sthere. You will otherwise damage the
roof and the rear shelf of your vehicle.
!Do not forget that the weather can change
abruptly. Make certain that the roof is closed
when you leave the vehicle. The vehicle elec-
tronics can be damaged if water enters the
vehicle interior.
!When opening and closing the roof, make
sure that:
Rthere is sufficient clearance, as the roof
swings upwards.
Rthere is sufficient clearance behind the
vehicle, as the trunk lid swings backwards
beyond the bumper.
Rthe trunk is only loaded to below the trunk
partition.
Rthe trunk partition is not pushed up by the
load.
Rthe trunk partition is closed.
Roof75
Opening and closing
Z

Rthe trunk lidisclosed.
Rthe outside temperatur eisabove 5‡
( Ò 15 †).
Yo uc ould otherwise damag ethe roof ,trunk
and otherp arts of the vehicle.
The vehicle dimensions for opening/closing the
roof can be found in the "Vehicl edata" section
(
Ypage 289).
Make sure that the roof and rea rwindow are
clean and dry before opening the roof .Other-
wise, water or dirt could enter the vehicle inte-
rio rort runk.
Opening and closin gusing the roof
switch
Important safety notes
GWARNING
Whe nopening or closing the roof,b odyp arts
could be trapped by,f or example, the roof
mechanism, trunk li dorsidew indows. There
is ar iskofi njury.
Whe nraising or lowering the roof,m ake sure
that no bod yparts are in the vicinity of moving
components. If someone becomes trapped,
release the button.
For safety reasons, the roof can only be opened
or closed whe nthe vehicle is stationary.
!Operating the roof while pulling away:
RObserve the following traffi ccarefully.
RDo not drive faster than 25 mph (40 km/h).
RAvoida brup tb raking and swerving maneu-
vers.
Do not operate the roof whe ncornering, driv-
ing on uneven surface sorduring strong
winds. The vehicle may otherwise be dam-
aged.
iIf the traffi cconditions mea nthat yo uhave
to drive off while opening/closing the roof,
the procedure which wa sstarted while sta-
tionary can be continued at speeds of up to
approx. 25 mph (40 km/h).
Opening and closing
XVehicles without asemi-automatic trunk
partition: closethe trunk partition
(
Ypage 77).
XClose the trunk li d(Ypage 70).
XTurn the SmartKey to position 2in the ignition
lock.
XOpe nthe cover in the lower center console.
Roof switch :is located under the cover.
XTo open:p ullr oof switch :untilt he entire
roof is stowed away in the trunk.
You see the Vario-Roof in Operation
messageinthe multifunction display .Once
the opening procedure is complete, the mes- sag edisappears and atone will sound.
All of the sid ewindow sopen.
If yo uoperate the roof switch and the Trunk
PartitionOpenmessageappears in the
multifunction display ,the trunk partition is
not closed correctly.
XClose the trunk partition.
XTo close: press and holds oft-top switch:
unti lthe soft top is fully closed.
You see the Vario-Roof in Operation
messageinthe multifunction display .Once
the opening procedure is complete, the mes-
sag edisappears and atone will sound.
All of the sid ewindow sopen.
XTo clos eallsid ew indows, pull the switch
under the cover of the center console
(
Ypage 73).
76Roof
Opening and closing