2018 MERCEDES-BENZ C-CLASS CABRIOLET height

If a child younger than twelve years old and
under 5 ft (1.50m)in height is traveling in the
vehicle:
Ralways secure the child in a child restraint
system suitable for this Mercedes-Benz vehi-
cle. The child restraint system must be appro-
priate to the age, weight and size of the child
Ralways observe the instructions and safety
notes on "Children in the vehicle"
(
Ypage 59) in addition to the child restraint
system manufacturer's installation and oper-
ating instructions
Ralways observe the instructions and safety
notes on the "Occupant classification system
(OCS)" (
Ypage 51)
GWARNING
The seat belts may not perform their intended protective function if:
Rthey are damaged, modified, extremely
dirty, bleached or dyed
Rthe seat belt buckle is damaged or
extremely dirty
Rthe Emergency Tensioning Devices, belt
anchorages or inertia reels have been modi-
fied.
Seat belts may be damaged in an accident,
although the damage may not be visible, e.g.
due to splinters of glass. Modified or damaged
seat belts may tear or fail, e.g. in an accident.
Modified Emergency Tensioning Devices
could accidentally trigger or fail to deploy
when necessary. This poses an increased risk
of injury or even fatal injury.
Never modify the seat belts, Emergency Ten-
sioning Devices, belt anchorages and inertia
reels. Make sure that the seat belts are
undamaged, not worn out and clean. Follow-
ing an accident, have the seat belts checked
immediately at a qualified specialist work-
shop.
Only use seat belts that have been approved for
your vehicle by Mercedes-Benz.
AMG Performance seat: this seat is designed
for the standard three-point seat belt. If you
install another multi-point seat belt, e.g. sport or
racing seat belts, the restraint system cannot
provide the best level of protection.
GWARNING
If you feed seat belts through the opening in
the seat backrest, the seat backrest may be
damaged or may even break in the event of an accident. This poses an increased risk of
injury or even fatal injury.
Only use the standard three-point seat belt.
Never modify the seat belt system.
Proper use of the seat belts
Observe the safety notes on the seat belt
(Ypage 45).
All vehicle occupants must be wearing the seat
belt correctly before beginning the journey. Also
make sure that all vehicle occupants are always
wearing the seat belt correctly while the vehicle
is in motion.
When fastening the seat belt, always make sure
that:
Rthe seat belt buckle tongue is inserted only
into the belt buckle belonging to that seat
Rthe seat belt is pulled tight across your body
Avoid wearing bulky clothing, e.g. a winter
coat.
Rthe seat belt is not twisted
Only then can the forces which occur be dis-
tributed over the area of the belt.
Rthe shoulder section of the belt is routed
across the center of your shoulder
The shoulder section of the seat belt should
not touch your neck or be routed under your
arm or behind your back.
Rthe lap belt is taut and passes across your lap as low down as possible
The lap belt must always be routed across
your hip joints and not across your abdomen.
This applies particularly to pregnant women.
If necessary, push the lap belt down to your
hip joint and pull it tight using the shoulder
section of the belt.
Rthe seat belt is not routed across sharp, poin-
ted or fragile objects
If you have such items located on or in your
clothing, e.g. pens, keys or eyeglasses, store
these in a suitable place.
Ronly one person is using a seat belt
Infants and children must never travel sitting
on the lap of a vehicle occupant. In the event
46Occupant safety
Safety

Important safety notes
GWARNING
If you do no tsit in th ecorrec tseat position ,
th eair bag canno tprotect as intended and
could eve ncaus eadditional injury when
deployed. This poses an increased ris kof
injury or eve nfatal injury.
To avoi dhazardous situations, always mak e
sur ethat all of th evehicle's occupants:
Rhave fastene dtheir seat belt scorrectly,
includin gpregnant wome n
Rare sitting correctl yand maintai nth egreat-
est possible distanc eto th eair bags
Rfollow th efollowin ginstruction s
Always mak esur ethat there are no objects
between th eair bag and th evehicle's occu-
pants .
RAdjus tth eseat sproperly before beginning
your journey. Always mak esur ethat th eseat
is in an almost upright position .The center of
th ehead restrain tmust support th ehead at
about eye level.
RMov eth edriver' sand front-passenger seat s
as far bac kas possible .The driver' sseat posi-
tion must allow th evehicl eto be driven safely.
ROnly hold th esteering whee lon th eoutside .
This allows th eair bag to be fully deployed.
RAlways lean against th ebackrest while driv -
ing .Do no tlean forward or lean against th e
door or side window. You may otherwise be in
th edeploymen tarea of th eair bags .
RAlways keep your fee tin th efootwell in fron t
of th eseat .Do no tput your fee ton th edash -
board, for example. Your fee tmay otherwise
be in th edeploymen tarea of th eair bag.
RFo rthis reason ,always secure person sless
than 5ft (1.5 0m) tall in suitable restraint sys-
tems. Up to this height, the seat belt cannot
be worn correctly.
If a child is traveling in your vehicle, also
observe the following notes:
RAlways secure children under twelve years of
age and less than 5 ft (1.50 m)tall in suitable
child restraint systems.
RChild restraint systems should be installed on
the rear seats.
ROnly secure a child in a rearward-facing child
restraint system on the front-passenger seat
when the front-passenger front air bag is
deactivated. If the PASSENGER AIR BAG OFF
indicator lamp is permanently lit, the front-
passenger front air bag is deactivated
(
Ypage 44).
RAlways observe the instructions and safety
notes on the "Occupant Classification System
(OCS)" (
Ypage 51) and on "Children in the
vehicle" (Ypage 59 )in addition to the child
restraint system manufacturer's installation
and operating instructions.
Objects in the vehicle interior may pre
vent
an air bag from functioning correctly. Before
starting your journey and to avoid risks resulting from the speed of the air bag as it deploys, make
sure that:
Rthere are no people, animals or objects
between the vehicle occupants and an air bag
Rthere are no objects between the seat, door
and B-pillar
Rthere are no hard objects, e.g. coat hangers,
hanging on the grab handles or coat hooks
Rno accessories, such as cup holders, are
attached to the vehicle within the deployment
area of an air bag, e.g. to doors, side windows,
rear side trim or side walls
Rno heavy, sharp-edged or fragile objects are in
the pockets of your clothing. Store such
objects in a suitable place
GWARNING
If you modify the air bag cover or affix objects
such as stickers to it, the air bag can no longer
function correctly. There is an increased risk
of injury.
Never modify an air bag cover or affix objects
to it.
GWARNING
Sensors to control the air bags are located in
the doors. Modifications or work not per-
formed correctly to the doors or door panel-
ing, as well as damaged doors, can lead to the
function of the sensors being impaired. The air
bags might therefore not function properly
anymore. Consequently, the air bags cannot
protect vehicle occupants as they are
Occupant safety49
Safety
Z

Important safety notes
The intervention of PRE-SAFE®PLUScanno t
preven tan imminent collision .
The driver is no twarned about th eintervention
of PRE-SAF E
®PLUS.
PRE-SAF E®PLUSdoes no tinterven eif th evehi-
cle is backin gup.
When driving ,or when parking or exiting apark -
ing spac ewit hassistanc efrom Parking Pilot ,
PRE-SAF E
®PLUSwill no tapply th ebrakes.
Function
PRE-SAF E®PLUSintervenes in certain situa-
tion sif th eradar sensor system detects an
imminent head-on or rear-end collision .
PRE-SAF E
®PLUStakes th efollowin gmeasures
depending on th ehazardous situation detected:
Rif th eradar sensor system detects that a
head-on collision is imminent ,th eseat belt s
are pre-tensioned.
Rif th eradar sensor system detects that arear -
en dcollision is imminent :
-thebrak epressur eis increased if th edriver
applie sth ebrakes when th evehicl eis sta-
tionary.
-th eseat belt sare pre-tensioned.
The PRE-SAF E®PLUSbraking application is can -
celed:
Rif th eaccelerato rpedal is depressed when a
gear is engage d
Rif theris kof acollision passes or is no longer
detecte d
Rif Distanc ePilot DISTRONI Cindicates an
intention to pull away
If th ehazardous situation passes without result -
ing in an accident, th eoriginal setting sare
restored .
Automatic measures after an acci-
dent
Immediately after an accident, th efollowin g
measures are implemented, depending on th e
typ eand severit yof th eimpact :
Rthehazard warning lamp sare switched on
Rth eemergenc ylighting is activated
Rth evehicl edoor sare unlocked
Rth efron tside windows are lowered
Rvehicles wit h amemory function :th eelectri-
call yadjustable steering whee lis raised when
th edriver' sdoor is opened
Rth eengin eis switched off and th efuel suppl y
is cut off
Rvehicles wit hmbrace :automatic emergenc y
call
Children in the vehicle
Important safety notes
Acciden tstatistics sho wthat children secured
in th erear seat sare safer than children secured
in th efront-passenger seat .Fo rthis reason ,
Mercedes-Ben zstrongly advises that you instal l
a child restrain tsystem on arear seat .Children
are generally bette rprotected there .
If achild younger than twelve years old and
under 5ft (1.50 m) in height is traveling in th e
vehicle:
Ralways secure th echild in achild restrain t
system suitable for Mercedes-Ben zvehicles.
The child restrain tsystem must be appropri-
ate to th eage, weigh tand siz eof th echild
Rbe sur eto observ eth einstruction sand safet y
note sin this section in addition to th echild
restrain tsystem manufacturer' sinstallation
instruction s
Rbe sureto observ eth einstruction sand safet y
note son th e"Occupant classification system
(OCS)" (
Ypage 51)
GWARNIN G
If you leav echildren unsupervised in th evehi-
cle ,they could set it in motion by, for example:
Rrelease th eparking brake.
Rshif tth eautomatic transmission out of th e
parking position P.
Rstart theengine.
In addition ,they may operate vehicl eequip-
men tand become trapped .Ther eis aris kof
an acciden tand injury.
When leaving th evehicle, always tak eth e
SmartKey wit hyou and loc kth evehicle. Never
leav echildren unsupervised in th evehicle.
Children in the vehicle59
Safety
Z

GWARNING
If persons, particularly children are subjected to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
GWARNING
If the child restraint system is subjected to
direct sunlight, parts may get very hot. Chil-
dren may burn themselves on these parts,
particularly on the metal parts of the child
restraint system. There is a risk of injury.
If you leave the vehicle, taking the child with
you, always ensure that the child restraint
system is not exposed to direct sunlight. Pro- tect it with a blanket, for example. If the child
restraint system has been exposed to direct
sunlight, let it cool down before securing the
child in it. Never leave children unattended in
the vehicle.
Always ensure that all vehicle occupants have
their seat belts fastened correctly and are sitting
properly. Particular attention must be paid to
children.
Observe the safety notes on the seat belt
(
Ypage 45) and the notes on correct use of seat
belts (Ypage 46).
A booster seat may be necessary to achieve
proper seat belt positioning for children over
41 lbs (18 kg) until they reach a height where a
three-point seat belt can be properly fastened
without a booster seat.
Special seatbelt retractor
GWARNING
If the seat belt is released while driving, the
child restraint system will no longer be
secured properly. The special seat belt retrac- tor is disabled and the inertia real draws in a
portion of the seat belt. The seat belt cannot
be immediately refastened. There is an
increased risk of injury, possibly even fatal.
Stop the vehicle immediately, paying atten-
tion to road and traffic conditions. Reactivate
the special seat belt retractor and secure thechild restraint system properly.
All seat belts in the vehicle, except the driver's
seat belt, are equipped with a special seat belt
retractor. When activated, the special seat belt
retractor ensures that the seat belt cannot
slacken once the child seat is secured.
Installing a child restraint system:
XMake sure you observe the child restraint
system manufacturer's installation instruc-
tions.
XPull the front seat belt smoothly out of the
seat-belt extender and the rear seat belt out
of the belt sash guide.
XEngage seat belt tongue in belt buckle.
Activating the special seat belt retractor:
XPull the seat belt out fully and let the inertia
reel retract it again.
While the seat belt is retracting, you should
hear a ratcheting sound. The special seat belt
retractor is enabled.
XPush the child restraint system down so that
the seat belt is tight and does not loosen.
Removing the child restraint system and deac-
tivating the special seat belt retractor:
XMake sure you observe the child restraint
system manufacturer's installation instruc-
tions.
XPress the release button of the seat belt
buckle, hold the seat belt tongue and route it
to the seat belt extender in front or the belt
sash guide in the rear compartment.
The special seat belt retractor is deactivated.
Child restraint system
The use of seat belts and child restraint systems
is required by law in:
Rall 50 states
Rthe U.S. territories
Rthe District of Columbia
Rall Canadian provinces
You can obtain further information about the
correct child restraint system from any author-
ized Mercedes-Benz Center.
60Children in the vehicle
Safety

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 andMSolutions
A side window cannot be
closed because it is
blocked by objects, e.g.
leaves in the window
guide.XRemove the objects.
XClose the side window.
A side window cannot be
closed and you cannot
see the cause.If a side window is obstructed during closing and reopens again
slightly:
XImmediately after the window blocks, pull the corresponding switch
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 reopens again slightly:
XImmediately after the window blocks, pull the corresponding switchagain until the side window has closed.
The side windows are closed without the automatic reversing fea-
ture.
Soft top
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 unex-
pectedly and may cause you or others to be
trapped. There is a risk of injury.
Always open or close the soft top completely.
!Never sit on the soft-top compartment
cover or stow heavy objects there. You will
otherwise damage the soft top and soft-top
compartment cover of the vehicle.
!When opening and closing the soft top,
make sure that:
Rthere is sufficient clearance above it, as the soft top swings upwards.
Rthe trunk is only loaded to below the trunk
partition.
Rthe trunk partition is not pushed up by the
load.
Rthe trunk lid is closed.
Rthere are no objects on the soft-top com-
partment cover
Rthe fabric is not dirty, wet or frozen.
You could otherwise damage the soft top,
trunk and other parts of the vehicle.
Take the height of the vehicle into account when
opening and closing the soft top (
Ypage 345).
Make sure that the soft top is dry and clean
before opening it. Otherwise, water or dirt could
enter the vehicle interior or trunk.
You can open or close the soft top:
Rwhen the vehicle is stationary or
Rwhen you are not exceeding a speed of
30 mph (50 km/h) (Max. 35 mph (60 km/h),
to avoid interrupting the closing process while
slightly exceeding the speed limit).
If there is a strong head wind, it may not be pos-
sible to close the soft top fully. In this case,
reduce speed or stop in order to close the soft
top fully.
For safety reasons, Mercedes-Benz recom-
mends that you only open or close the soft top
when the vehicle is stationary.
88Soft top
Opening and closing

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.
Do not rotate the head restraints of the front and
rear seats. Otherwise, you cannot adjust the
height and angle of the head restraints cor-
rectly.
Using the fore-and-aft adjustment, adjust the
head restraint so that it is as close as possible to
your head.
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
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, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
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 adjust-
ment 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 sys-
tem.
GWARNING
The seat belt does not offer the intended level of protection if you have not moved the back-
rest to an almost vertical position. When brak-
ing or in the event of an accident, you could
slide underneath the seat belt and sustain
abdomen or neck injuries, for example. This
poses an increased risk of injury or even fatal injury.
Adjust the seat properly before beginning
your journey. Always ensure that the backrest
is in an almost vertical position and that the
shoulder section of your seat belt is routed
across the center of your shoulder.
!To avoid damage to the seats and the seat
heating, observe the following information:
Rkeep liquids from spilling on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
Rif the seat covers are damp or wet, do not
switch on the seat heating. The seat heat-
ing should also not be used to dry the seats.
Rclean the seat covers as recommended;
see "Interior care".
Rdo not transport heavy loads on the seats.
Do not place sharp objects on the seat
cushions, e.g. knives, nails or tools. The
seats should only be occupied by passen-
gers, if possible.
Rwhen the seat heating is in operation, do
not cover the seats with insulating materi-
als, e.g. blankets, coats, bags, seat covers,
child seats or booster seats.
!Make sure that there are no objects in the
footwell under or behind the seats when mov-
ing the seats back. There is a risk that the
seats and/or the objects could be damaged.
iFor more information, contact a qualified
specialist workshop.
iRelated topic:
RRear bench seat through-loading feature
(Ypage 265)
Seats95
Seats, steering wheel and mirrors
Z

Adjusting the seats electrically
:Headrestrain theight
;Backrest angle
=Seat height
?Seat cushion lengt h
ASeat cushion angle
BSeat fore-and-aftadjustmen t
iFurther relate dsubjects :
RYou can store th eseat setting susin gth e
memory function (Ypage 106).
RIf PRE-SAFE®is triggered ,th efront-
passenger seat will be moved to abette r
position if it was previously in an unfavora-
ble position (
Ypage 58).
RWhen theseat is moved forward or back,
th eheadres tis moved up or down auto -
matically.
Vehicles wit hAM GPerformance seat :th eheight
of th ehead restraints canno tbe adjusted.
Adjusting the head restraints
Import ant safety notes
GWARNIN G
You could lose control of your vehicl eif you do
th efollowin gwhile driving:
Radjust th edriver's seat ,head restraint,
steering whee lor mirror s
Rfastenth eseat belt
There is aris kof an accident.
Adjus tth edriver's seat ,head restraint, steer -
ing whee land mirror and faste nyour seat belt
before starting th eengine.
GWARNIN G
If th ehead restraints are no tinstalled or no t
adjusted correctly, they canno tprovid epro -
tection as intended. There is an increased ris k
of injury in th ehead and neck area, e.g. in th e
event of an acciden tor when braking .
Always drive wit hth ehead restraints instal -
led. Befor edrivin goff ,mak esur efor every
vehicl eoccupant that th ecenter of th ehead
restrain tsupport sth ebac kof th ehead at
about eye level.
Genera l notes
Pay attention to th eimportant safet ynote s
(Ypage 94).
Do no trotate th ehead restraints of th efron tand
rear seats. Otherwise ,you canno tadjust th e
height and angle of th ehead restraints to th e
correc tposition .
The rear seat head restraints are no theight -
adjustable.
Adjusting the head restraint fore-and-
aft position manually
Withthis function you can adjust th edistanc e
between th ehead restrain tand th ebac kof th e
seat occupant's head .
XTo moveforward: pull thehead restrain t
forward in th edirection of th earrow until it
engage sin th edesired position .
XTo moveback :press and hold th erelease
catch :.
XPush th ehead restrain tback.
96Seats
Seats, steering wheel and mirrors

XReleaseth erelease butto nonce th ehead
restrain tis in th edesired position .
XEnsurethat th ehead restrain thas engage d
properly.
Using th efore-and-af tadjustment, adjust th e
head restrain tso that it is as close as possibl eto
your head.
Adjusting the height of the head
restraints electrically
XTo adjust th ehea drestrain theight :slid e
th eswitch for th ehead restrain tadjustmen t
(
Ypage 96) up or down in th edirection of th e
arrow.
Vehicles wit hAM GPerformance seat :th eheight
of th ehead restraints canno tbe adjusted.
Installing and removing rear head
restraints
XReleas eth erear seat backrest and fol dit
slightly forward (Ypage 265).
XTo remove:press thecatch :in th edirec-
tion of th earrow and keep depressed.
XRemove th ehead restrain tfrom th eguide s
and release th ecatch :.
XTo install :insert th ehead restrain tint oth e
guide so that th enotches on th ebar appear
on th eleft-han dside when viewed in th e
direction of travel .
XPush thehead restrain tall th eway down until
it engages.
XEnsur ethat th ehead restrain thas engage d
properly.
XFold bac kth erear backrest until it engages.
Folding the front seat backrests
forward/back
Important safety notes
GWARNIN G
The seat belt does no toffer th eintended level
of protection if you hav eno tmoved th eback-
res tto an almost vertical position .When brak -
ing or in th eevent of an accident, you could
slid eunderneat hth eseat belt and sustain
abdomen or neck injuries, for example. This
poses an increased ris kof injury or eve nfatal
injury.
Adjus tth eseat properly before beginning
your journey. Always ensur ethat th ebackrest
is in an almost vertical position and that th e
shoulder section of your seat belt is routed
across th ecenter of your shoulder .
GWARNING
When you adjust aseat ,you or other vehicl e
occupant scould become trapped ,e.g. on th e
seat guide rail. There is aris kof injury.
Mak esur ewhen adjusting aseat that no on e
has any body part sin th eswee pof th eseat .
Observ eth esafet ynote son "Ai rbags "
(
Ypage 49 )and "Children in th evehicle"
(Ypage 59) .
Folding the seat backrest forward
EASY-ENTRY System :th eseat moves forwards
as soo nas you fol dth ebackrest forwards and
pull th eseat forwards horizontally. This makes it
easie rfor passenger sto get int oand out of th e
rear compartment.
Seats97
Seats, steering wheel and mirrors
Z