light MERCEDES-BENZ CLA 2014 Owner's Manual

XAdjust the seat and move the backrest to
an almostvertical position (Ypage 90).
XPull the seat belt smoothly through belt
sash guide.
XWithout twisting it, guide the shoulder
section of the seat belt across the middle
of your shoulder and the lap section across
your pelvis.
XEngage belt tonguein buckle".
XIf necessary, adjust the seat belt to the
appropriate height (Ypage 52).
XIf necessary, pull upwards on the shoulder
section of the seat belt to tighten the belt
across your body.
All seat belts in the vehicle with the exception
of the driver's seat belt are equipped with a
special seat belt retractor, with which a child
restraint system can be secured. For further
information on special seat belt retractors,
see (Ypage 57).
Information on releasing the seat belt with
release button!(Ypage 52).
Belt height adjustment
You can adjust the seat belt height on the
frontseats. Adjust the belt to a height that
allows the upper part of the seat belt to be
routed across the center of your shoulder.
XTo raise:slide the belt sash guide upwards.
The belt sash guide engages in various
positions.
XTo lower:press and hold belt sash guide
release.
XSlide the belt sash guide downwards.
XRelease belt sash guide releaseand
make sure that the belt sash guide has
engaged.
Releasing seat belts
!Make sure that the seat belt is fully rolled
up. Otherwise, the seat belt or belt tongue
will be trapped in the door or in the seat
mechanism. This could damage the door,
the door trim panel and the seat belt.
Damaged seat belts can no longer fulfill
their protective function and must be
replaced. Visit a qualified specialist
workshop.
XPress release button!on belt buckle".
XGuide belt tongueback to belt sash
guide.
Belt warning for the driver and front
passenger
Every time the engine is started, the
seat belt warning lamp lights up for six
seconds. It lights up regardless of whether
the driver's and front-passenger seat belts
have already been fastened. If the driver's
and front-passenger seat belts have already
been fastened, theseat belt warning
lamp then goes out.
52Occupant safety
Safety

If the driver's seat belt is not fastened when
the engine is started, an additional warning
tone will sound. This warning tone stops after
a maximum of six seconds or once the
driver's seat belt is fastened.
If after six seconds, the driver or front
passenger have not fastened their seat belts
and the doors are closed:
Rtheseat belt warning lamp remains lit
as long as the driver's or front-passenger's
seat belt is not fastened
and
Rif a vehicle speed of 15 mph (25 km/h) is
exceeded, theseat belt warning lamp
begins to flash.Awarning tone also sounds
with increasing intensity for a maximum of
60 seconds or until the driver or front
passenger have fastened their seat belts.
If the driver/front passenger unfasten their
seat belt while the vehicle is in motion, the
seat belt warning lamp lights up and a
warning tone sounds again.
The warning tone ceases evenifthe driver or
front-passenger seat belt has still not been
fastened after 60 seconds. Theseat belt
warning lamp stops flashing but remains
illuminated.
After the vehicle comes to a standstill, the
warning tone is reactivated. Theseat
belt warning lamp flashes again if the vehicle
speed exceeds 15 mph (25 km/h).
Theseat belt warning lamp only goes
out if:
Rboth the driver and the front passenger
have fastened their seat belts.
or
Rthe vehicle is stationary and a door is open.
iFor more information on theseat
belt warning lamp, see "Warning and
indicator lamps in the instrument cluster,
seat belts" (Ypage 240).
Emergency Tensioning Devices, seat
belt force limiters
GWARNING
Pyrotechnic Emergency Tensioning Devices
that have been deployed are no longer
operational and are unable to perform their
intended protective function. This poses an
increased risk of injury or even fatal injury.
Therefore, have pyrotechnic Emergency
Tensioning Devices which have been
triggered immediately replaced at a qualified
specialist workshop.
!If the front-passenger seat is not
occupied, do not engage the seat belt
tongue in the buckle on the front-
passenger seat. Otherwise, the Emergency
Tensioning Device could be triggered in the
event of an accident.
The front seat belts and the outer seat belts
in the rear are equipped with Emergency
Tensioning Devices and seat belt force
limiter.
The ETDs tighten the seat belts in an accident,
pulling them close against the body.
The ETDs do not correct incorrect seat
positions or incorrectly fastened seat belts.
The ETDs do not pull vehicle occupants back
towards the backrest.
The ETDs can only be activated when:
Rthe ignition is switched on.
Rthe restraint systems are operational; see
"SRS warning lamp" (Ypage 39).
Rthe belt tongue is engaged in the buckle on
each of the front seat belts.
The ETDs on the outside seats in the rear
compartmentare triggered independently of
the lock status of the seat belts.
The ETDs are triggered depending on the type
and severity of an accident:
Rif, in the event of a head-on or rear-end
collision, the vehicle decelerates or
accelerates rapidly in a longitudinal
Occupant safety53
Safety
Z

direction during the initial stages of the
impact.
Rif, in the event of a side impact, on the side
opposite the impact the vehicle
decelerates or accelerates rapidly in a
lateral direction.
Rif, in certain situationswhere the vehicle
rolls over, the system determines that it
can provide additional protection.
If the ETDs are deployed, you will hear a bang,
and a small amount of powder may also be
released. Only in rare cases will the bang
affect your hearing. The powder that is
released generally does not constitute a
health hazard and does not indicate that there
is a fire in the vehicle. The dust might cause
some temporary breathing difficulty for
people with asthma or other breathing
trouble. To avoid this, you may wish to get out
of the vehicle as soon as it is safe to do so.
You can also open the window to allow fresh
air to enter the vehicle interior. TheSRS
warning lamp lights up.
If the seat belt is also equipped with a seat
belt force limiter and this is triggered, the
force exerted by the seat belt on the vehicle
occupant is reduced.
The seat belt force limiter for the front seats
are synchronized with the front air bags,
which take on a part of the deceleration force.
This results in the force exerted on the
occupant being distributed over a greater
area.
Children in the vehicle
Child restraint systems
Important safety notes
GWARNING
According to accident statistics, children are
safer when properly restrained in the rear
seating positions than in the front seating
position. Thus, we strongly recommend that
children be placed in the rear seats whenever
possible. Regardless of seating position,
children 12 years old and under must be
seated and properly secured in an appropriate
infant restraint, toddler restraint, or booster
seat recommended for the size and weight of
the child.
The infant or child restraint must be properly
secured with the vehicle's seat belt, the seat
belt and top tether strap, or lower anchors and
top tether strap, fully in accordance with the
child seat manufacturer's instructions.
Occupants, especially children, should always
sit as upright as possible, wear the seat belt
properly and use an appropriately sized infant
restraint, toddler restraint, or booster seat
recommended for the size and weight of the
child.
Children can be killed or seriously injured by
an inflating air bag. Note the following
important information when circumstances
require you to place a child in the front
passenger seat:
RYour vehicle is equipped with air bag
technology designed to deactivate the front
passenger front air bag in your vehicle
when the system senses the weight of a
typical 12-month-old child or less along
with the weight of a standard appropriate
child restraint on the front passenger seat.
RFor children larger than the typical
12-month-old child, the front passenger
front air bag may or may not be activated.
Always make sure theindicator
lamp is illuminated, indicating that the front
passenger front air bag is deactivated.
RAchild in a rear-facing child restraint on the
front passenger seat will be seriously
injured or even killed if the front passenger
front air bag inflates in a collision which
could occur under some circumstances,
even with the air bag technology installed
in your vehicle. The only means to
completely eliminate this risk is to never
place a child in a rear-facing child restraint
in the front seat. We therefore strongly
54Children in the vehicle
Safety

Children that are too large for a child restraint
must travel in seats usingnormal seat belts.
Position the shoulder belt across the chest
and shoulder, not the face or neck.Abooster
seat may be necessary to achieve proper seat
belt positioning for children over 41 lbs
(18 kg) until they reach a height wherealap/
shoulder belt fits properly without a booster
seat.
When the child restraint is notinuse, remove
it from the vehicle or secure it with the seat
belt to prevent the child restraint from
becoming a projectile in the event of an
accident.
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshifting the automatic transmission out of
park positionP
RStart the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
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.
Children 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.
Protect 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.
If an infant or child is traveling in the vehicle:
RSecure the child with a child or infant seat
restraint system appropriate to the age and
weight of the child.
RMake sure that the infant or child is
properly secured at all times while the
vehicle is in motion.
Mercedes-Benz recommends that you always
properly secure all infants and children with
a child or infant seat restraint system for the
trip.
The use of seat belts and infant and child
restraint systems is required by law in:
Rall 50 states
Rthe U.S. territories
Rthe District of Columbia
Rall Canadian provinces
Infants and children must always be seated in
an appropriate infant or child restraint system
recommended for the size and weight of the
child. The infant or child restraint system
must be properly secured in accordance with
the manufacturer's instructions.
All infant or child restraint systems must meet
the following standards:
RU.S. Federal Motor Vehicle Safety
Standards 213 and 225
RCanadian Motor Vehicle Safety Standards
213 and 210.2
Confirmation that the child restraint system
corresponds to the standards can be found
on an instruction label on the child restraint
system. This confirmation can also be found
56Children in the vehicle
Safety

ringsfor two LATCH-type (ISOFIX) child
restraint systems are installed on the left and
right of the rear seats.
Non-LATCH-type (ISOFIX) child seats may
also be used and can be installed using the
vehicle's seat beltsystem. Install the child
seat according to the manufacturer's
instructions.
Top Tether
Important safety notes
GWARNING
Always engage the rearseat backrests in an
upright position before installing the Top
Tether belt. Push and pull the rear seat
backrests to check whether they are engaged
correctly. If the seat backrest is not locked
properly, the seat backrest could fold. The
child seat would no longer be supported
properly or positioned to provide its intended
benefit.That could cause serious or even fatal
injuries.
Example: Top Tether belt with one belt strap
Top Tether provides an additional connection
between the LATCH-type (ISOFIX) child
restraint system secured with ISOFIX and the
rear seat. This helps reduce the risk of injury
even further. If the child restraint system is
installed with Top Tether, this should always
be used.
The Top Tether anchorage points are installed
in the rear compartment behind the outer
head restraints on the parcel shelf.
There is also another Top Tether anchorage
point behind the central rear seat.
XPress down the rear of coverin the
direction of the arrow.
Coveris raised slightly at the front.
XFold up coverof Top Tether anchorage
".
XTop Tether belt with one belt strap:route
Top Tether beltcentrally over head
restraint.
XTop Tether belt with two belt straps:
route Top Tether beltson the left and
right past the side of head restraint.
XHook Top Tether hook!into Top Tether
anchorage".
XMake sure that Top Tether beltis not
twisted.
XInstall the LATCH-type (ISOFIX) child
restraint system with Top Tether. Always
comply with the child restraint system
manufacturer's installation instructions
when doing so. Make sure that Top Tether
beltis tight.
Children in the vehicle59
Safety
Z

Override feature for the rear side
windows
GWARNING
When children ride on the vehicle's rear seats,
activate the override switch. Otherwise, the
children could be injured, e.g. by trapping
themselves in the rear side window.
XTo activate/deactivate:press button.
If indicator lampis lit, operation of the
rear side windows is disabled. Operation is
only possible using the switches in the
driver's door. If indicator lampis off,
operation is possible using the switches in
the rear compartment.
Driving safetysystems
Overview of driving safety systems
In this section, you will find information about
the following driving safety systems:
RABS (Anti-lockBrakingSystem)
(Ypage 61)
RBAS (BrakeAssistSystem) (Ypage 62)
RCOLLISION PREVENTION ASSIST (distance
warning function and adaptive Brake
Assist) (Ypage 62)
RESP®(ElectronicStabilityProgram)
(Ypage 65)
REBD (ElectronicBrake forceDistribution)
(Ypage 69)
RADAPTIVE BRAKE (Ypage 69)
RSTEER CONTROL (Ypage 69)
Important safety notes
If you fail to adapt yourdriving style or
become distracted, the driving safety
systems can neither reduce the risk of
accident nor override the laws of physics.
Driving safety systems are merely aids
designed to assist driving. You are
responsible for the distance to the vehicle in
front, for vehicle speed and for braking in
good time. Always adapt yourdriving style to
suitthe prevailing road, weather and traffic
conditions and maintainasafe distance from
the vehicle in front. Drive carefully.
iThe driving safety systems described only
work as effectively as possible when there
is adequate contact between the tires and
the road surface. Pay particular attention
to the informationregarding tires,
recommended minimum tire tread depths
etc.inthe "Wheels and tires" section
(Ypage 312).
In wintry driving conditions, always use
winter tires (M+S tires) and if necessary,
snow chains. Only in this way will the
driving safety systems described in this
section work as effectively as possible.
ABS (Anti-lockBraking System)
General information
ABS regulates brake pressure in such a way
thatthe wheels do not lock when you brake.
This allows you to continue steering the
vehicle when braking.
TheABS warning lamp in the instrument
cluster lights up when the ignition is switched
on. It goes out when the engine is running.
Important safety notes
iObserve the "Important safety notes"
section for driving safety systems
(Ypage 61).
Driving safety systems61
Safety
Z

Always pay careful attention to the traffic
situationand be ready to brake.
The distance warning functioncannot always
clearly identify objects and complextraffic
situations.
In such cases, the distance warning function
may:
Rgive an unnecessary warning
Rnot give a warning
Always pay careful attention to the traffic
situation and do not rely solely on the
distance warning function.
Function
XTo activate/deactivate:activate or
deactivate the distance warning function in
the on-board computer (Ypage 204).
If the distance warning function is not
activated, the
symbol appears in the
assistance graphics display.
The distance warning function can help you
to minimize the risk of a front-end collision
with a vehicle ahead or reduce the effects of
such a collision. If the distance warning
function detects that there is a risk of a
collision, you will be warned visually and
acoustically.Without your intervention, the
distance warning function cannot prevent a
collision.
Starting at a speed of around 4 mph
(7 km/h) the distancewarning function warns
you if you rapidly approach a vehicle in front.
An intermittentwarning tone will then sound,
and thedistance warning lamp will light
up in the instrument cluster.
XBrake immediately in order to increase the
distance from the vehicle in front.
or
XTake evasive action provideditis safe to do
so.
For the distance warning function to assist
you when driving, the function must be
activated in the on-board computer and be
operational (Ypage 204).
Due to the nature of the system, particularly
complicated but non-critical driving
conditions may also cause the system to
display a warning.
With the help of the radar sensor system, the
distance warning function can detect
obstacles that are in the path of your vehicle
for an extended period of time.
From a speed of around 40 mph (70 km/h),
the distance warning function can also react
to stationary obstacles, such as stopped or
parked vehicles.
If you approach an obstacle and the distance
warning function detects a risk of a collision,
the system will initially alert you both visually
and acoustically.
In particular, the detection of obstacles can
be impaired if:
Rdirt on the sensors or anything else
covering the sensors
Rsnow or heavy rain
Rinterference by other radar sources
Rthere are strong radar reflections, for
example in parking garages
Ra narrow vehicle traveling in front, e.g. a
motorbike
Ra vehicle traveling in front on a different line
relative to the center of your vehicle
Following damage to the front end of the
vehicle, have the configuration and operation
of the radar sensor checked at a qualified
specialist workshop. This also applies to
collisions at low speeds where there is no
visible damage to the front of the vehicle.
Adaptive Brake Assist
iObserve the "Important safety notes"
section for driving safety systems
(Ypage 61).
GWARNING
Adaptive Brake Assist cannot always clearly
identify objects and complex traffic
situations. In these cases, Adaptive Brake
Driving safety systems63
Safety
Z

!When testing the electric parking brake
on a braking dynamometer, switch off the
ignition. Application of the brakes by
ESP®may otherwise destroy the brake
system.
!Vehicles with 4MATIC: switch off the
ignition when the electric parking brake is
being tested on a brake dynamometer.
Application of the brakes by ESP®may
otherwise destroy the brake system.
!Vehicles with 4MATIC: function or
performance tests may only be carried out
on a 2-axle dynamometer. Before you
operate the vehicle on such a
dynamometer, please consult a qualified
workshop. You could otherwise damage
the drive train or the brake system.
!Do not tow vehicles with 4MATIC with the
front or rear axle raised.
Vehicles without 4MATIC: when towing your
vehicle with the front axle raised, it is
important that you observe the notes on
ESP®(Ypage 307).
Vehicles with 4MATIC: when towing your
vehicle with both axles on the ground, it is
important that you observe the notes on
ESP®(Ypage 307).
ESP®is deactivated if theESP®OFF
warning lamp in the instrument cluster lights
up continuously when the engine is running.
If theESP®warning lamp and the
ESP®OFF warning lamp are lit
continuously, ESP®is not available due to a
malfunction.
Observe the information on warning lamps
(Ypage 244) and displaymessages which
may be shown in the instrument cluster
(Ypage 213).
iOnly use wheels with the recommended
tire sizes. Only then will ESP®function
properly.
Characteristics of ESP®
General information
If theESP warning lamp goes out before
beginning the journey, ESP®is automatically
active.
If ESP®intervenes, theESP®warning
lamp flashes in the instrument cluster.
If ESP®intervenes:
XDo not deactivate ESP®under any
circumstances.
XOnly depress the accelerator pedal as far
as necessary when pulling away.
XAdapt your driving style to suit the
prevailing road and weather conditions.
ECO start/stop function
The ECO start/stop function switches the
engine off automatically when the vehicle
stops moving. The engine starts
automatically when the driver wants to pull
away again. ESP®remains in its previously
selected status.Example:if ESP®was
deactivated before the enginewas switched
off, ESP®remains deactivated when the
engine is switched on again.
Deactivating/activating ESP®(AMG
vehicles)
Important safety notes
iObserve the "Important safety notes"
section(Ypage 61).
You can select between the following states
of ESP®:
RESP®is activated.
RSPORT handling mode is activated.
RESP®is deactivated.
GWARNING
When SPORT handling mode is activated,
there is a greater risk of skidding and
accidents.
66Driving safetysystems
Safety

Only activate SPORT handling mode in the
situations described in the following.
GWARNING
If you deactivate ESP®, ESP®no longer
stabilizes the vehicle. There is an increased
risk of skidding and an accident.
Only deactivate ESP®in the situations
described in the following.
In the following situations, it may be better to
activate SPORT handling mode or deactivate
ESP®:
Rwhen using snow chains
Rin deep snow
Ron sand or gravel
Ron designated roads when the vehicle's
own oversteering and understeering
characteristics are desired
Driving in SPORT handling mode or without
ESP®requires an extremely qualified and
experienced driver.
iActivate ESP®as soon as the situations
described above no longer apply. ESP®will
otherwise not be able to stabilize the
vehicle if the vehicle starts to skid or a
wheel starts to spin.
!Avoid spinning the driven wheels for an
extended period with ESP®deactivated.
You could otherwise damage the drivetrain.
Deactivating/activating ESP®
XTo activate SPORT handling mode:
briefly press button.
TheSPORT handling mode warning
lamp in the instrument cluster lights up.
TheSPORT handling modemessage
appears in the multifunction display.
XTo deactivate SPORT handling mode:
briefly press button.
TheSPORT handling mode warning
lamp in the instrument cluster goes out.
XTo deactivate ESP®:press buttonuntil
theESP®OFF warning lamp lights up
in the instrument cluster.
TheOFFmessage appears in the
multifunction display.
XTo activate ESP®:briefly press button.
TheESP®OFF warning lamp in the
instrument cluster goes out. The
ESP®ONmessage appears in the
multifunction display.
Characteristics of activated SPORT
handling mode
If SPORT handling mode is activated and one
or more wheels start to spin, theESP®
warning lamp in the instrument cluster
flashes. ESP®only stabilizes the vehicle to a
limited degree.
When SPORT handling mode is activated:
RESP®only improves driving stability to a
limited degree.
Rtraction control is still activated.
Rengine torque is only restricted to a limited
degree, and the drive wheels are able to
spin.
The spinning of the wheels results in a
cutting action for better traction on loose
surfaces.
RESP®still provides support when you
brake.
Driving safety systems67
Safety
Z

Characteristics when ESP®is deactivated
If ESP®is deactivated and one or more wheels
start to spin, theESP®warning lamp in
the instrumentcluster does not flash. In such
situations, ESP®will not stabilize the vehicle.
If you deactivate ESP®:
RESP®no longer improves driving stability.
Rengine torque is no longer limited and the
drive wheels are able to spin.
The spinning of the wheels results in a
cutting action for better traction on loose
surfaces.
Rtraction control is still activated.
RPRE-SAFE®is no longer available, nor is it
activated if you brake firmly and ESP®
intervenes.
RCOLLISION PREVENTION ASSISTis no
longer available; nor is it activated if you
brake firmly with assistance from ESP®.
RCOLLISION PREVENTION ASSIST is no
longer available; nor is it activated if you
brake firmly with assistance from ESP®.
RESP®still provides support when you
brake.
Deactivating/activating ESP®(except
AMG vehicles)
Important safety notes
You can select between the following states
of ESP®:
RESP®is activated.
RESP®is deactivated.
GWARNING
If you deactivate ESP®, ESP®no longer
stabilizes the vehicle. There is an increased
risk of skidding and an accident.
Only deactivate ESP®in the situations
described in the following.
It may be best to deactivate ESP®in the
following situations:
Rwhen using snow chains
Rin deep snow
Ron sand or gravel
iActivate ESP®as soon as the situations
described above no longer apply.ESP®will
otherwise not be able to stabilize the
vehicle if the vehicle starts to skid or a
wheel starts to spin.
!Avoid spinning the driven wheels for an
extended period with ESP®deactivated.
You could otherwise damage the drivetrain.
Deactivating/activating ESP®
You can deactivate or activate ESP®via the
on-board computer.
XTo deactivate:(Ypage 203).
TheESP®OFF warning lamp in the
instrument cluster lights up.
XTo activate:(Ypage 203).
TheESP®OFF warning lamp in the
instrument cluster goes out.
Characteristics when ESP®is deactivated
If ESP®is deactivated and one or more wheels
startto spin, theESP®warning lamp in
the instrument cluster flashes. In such
situations, ESP®will not stabilize the vehicle.
If you deactivate ESP®:
RESP®no longer improves driving stability.
Rengine torque is no longer limited and the
drive wheels are able to spin.
The spinning of the wheels results in a
cutting action for better traction on loose
surfaces.
Rtraction control is still activated.
RESP®still provides support when you
brake.
68Driving safety systems
Safety