2014 MERCEDES-BENZ CLA child lock

To ensure that the vehicle is secured against
rolling away unintentionally:
Rthe electric parking brake must be applied.
Rthe transmission must be in positionPand
the transmission position display must
showP.
Rthe SmartKey must be removed from the
ignition lock.
Ron uphill or downhill gradients, the front
wheels must be turned towards the curb.
Switching off the engine
Important safety notes
GWARNING
The automatic transmission switches to
neutral positionNwhen you switch off the
engine. The vehicle may roll away.There is a
risk of an accident.
After switching off the engine, always switch
to parking positionP. Prevent the parked
vehicle from rolling away by applying the
parking brake.
Vehicles with automatic transmission
All vehicles (except AMG vehicles)
XApply the electric parking brake.
XShift the transmission to positionP.
Selector lever in AMG vehicles
AMG vehicles:
XApply the electric parking brake.
XPressPbutton.
XTurn the SmartKey to position0in the
ignition lock and remove it.
The immobilizer is activated.
iIf you switch the engine off with the
transmission in positionRorD, the
automatic transmission shifts toN
automatically.
If you then open one of the front doors or
remove the SmartKey from the ignition, the
automatic transmission shifts toP.
If you shift the automatic transmission to
Nbefore switching off the engine, the
automatic transmission remains inNeven
if a door is opened.
iThe automatic transmission shifts toP
automatically if you:
Rswitch off the engine using the SmartKey
and remove the SmartKey from the
ignition lock or
Rswitch off the engine using the SmartKey
and open a front door.
If you attempt to turn off the engine when the
selector lever is not in positionP:
Ra message appears in the multifunction
display
Ra warning signal sounds
Electric parking brake
General notes
GWARNING
If you leave children unsupervised in the
vehicle, they could set it in motion by, for
example:
Rrelease the parking brake.
Rshift the automatic transmission out of the
parking positionP.
Rstart the engine.
154Parking
Driving and parking

In addition, they may operate vehicle
equipment and become trapped.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 unsupervised in the vehicle.
iThe electric parking brake performs a
function test at regular intervals while the
engine is switched off. The sounds that can
be heard while this is occurring are normal.
Applying/releasing manually
Applying
XPush handle.
When the electric parking brake is applied,
the(USA only) or (Canada only)
red indicator lamp lights up in the
instrument cluster.
iThe electric parking brake can also be
applied when the SmartKey is removed.
Releasing
XPull handle.
The red(USA only) or (Canada
only) indicator lamp in the instrument
cluster goes out.
iYou can only release the electric parking
brake when the SmartKey is in position1
or2in the ignition lock.
Applying automatically
The electric parking brake is applied
automatically:
Rif DISTRONIC PLUS brings the vehicle to a
standstill or
Rif the HOLD function is keeping the vehicle
stationary or
Rif Active Parking Assist is holding the
vehicle at a standstill
In addition, at least one of the following
conditions must be fulfilled:
Rthe engine is switched off.
Rthe driver's door is open and the seat belt
is not fastened.
Rthere is a system malfunction.
Rthe power supply is insufficient.
Rthe vehicle is stationary for a lengthy
period.
The red(USA only) or (Canada
only) indicator lamp in the instrumentcluster
lights up.
iThe electric parking brake is not
automatically engaged if the engine is
switched off by the ECO start/stop
function.
Releasing automatically
Your vehicle's electric parking brake is
automatically released if all of the following
conditions are met:
Rthe engine is running.
Rthe transmission is in positionDorR.
Rthe seat belt has been fastened.
Ryou depress the accelerator pedal.
If the transmission is in positionR, the tailgate
must be closed.
Parking155
Driving and parking
Z

There is a risk of fire and injury.
Always hold the cigarette lighter by the knob.
Always make sure that the cigarette lighter is
out of reach of children. Never leave children
unsupervised in the vehicle.
Your attention must always be focused on the
traffic conditions. Only use the cigarette
lighter when road and traffic conditions
permit.
Example: vehicles with a cover over the stowagecompartment
XTurn the SmartKey to position2in the
ignition lock (Ypage 137).
XTo open:push the lower section of
cover.
The stowage compartment opens.
XPress in cigarette lighter.
Cigarette lighterwill pop out
automatically when the heating element is
red-hot.
12Vsockets
Points to observe before use
XTurn the SmartKey to position1in the
ignitionlock (Ypage 137).
The sockets can be used for accessories with
a maximum draw of 180 W (15 A).
Accessories include such items as lamps or
chargers for mobile phones.
If you use the sockets for long periods when
the engine is switched off, the battery may
discharge.
iAn emergency cut-out ensures that the
on-board voltage does not drop too low. If
the on-board voltage is too low, the power
to the sockets is automatically cut. This
ensures that there is sufficient power to
start the engine.
Socket in the front-compartment center
console
Vehicles with a cover over the stowagecompartment
XTo open:push the lower section of
cover.
The stowage compartment opens.
XLift up the cover of socket.
Vehicles without a cover over the stowagecompartment
XLift up the cover of socket.
Features263
Stowage and features
Z

GWARNING
Work carried out incorrectly on the battery
can lead, for example, to a short circuit and
thus damage the vehicle electronics. This can
lead to function restrictions applying to
safety-relevant systems, e.g. the lighting
system, ABS (anti-lock braking system) or
ESP®(Electronic Stability Program). The
operating safety of yourvehicle may be
restricted. You could lose control of the
vehicle, for example:
Rbraking
Rin the event of abrupt steering maneuver
and/or when the vehicle's speed is not
adapted to the road conditions
There is a risk of an accident.
In the event of a short circuit or a similar
incident, contact a qualified specialist
workshop immediately. Do not drive any
further. You should have all work involving the
battery carried out ataqualified specialist
workshop.
GWARNING
Electrostatic build-up can lead to the creation
of sparks, which could ignite the highly
explosive gases of a battery. There is a riskof
an explosion.
Before handling the battery, touch the vehicle
body to remove any existing electrostatic
build-up.
The highly flammable gas mixture forms when
charging the battery as well as when jump-
starting.
Always make sure that neither you northe
battery is electrostatically charged.Abuild-
up of electrostaticcharge can be caused, for
example:
Rby wearing clothing made from synthetic
fibers
Rdue to friction between clothing and seats
Rif you push or pull the battery across the
carpet or other synthetic materials
Rif you wipe the battery with a cloth
GWARNING
During the charging process, a battery
produces hydrogen gas. If a short circuit
occurs or sparks are created, the hydrogen
gas can ignite. There is a risk of an explosion.
RMake sure that the positive terminal of a
connected battery does not come into
contact with vehicle parts.
RNever place metal objects or tools on a
battery.
RIt is important that you observe the
described order of the battery terminals
when connecting and disconnecting a
battery.
RWhen jump-starting, make sure that the
battery poles with identical polarity are
connected.
RIt is particularly important to observe the
described order when connecting and
disconnecting the jumper cables.
RNever connect or disconnect the battery
terminals while the engine is running.
GWARNING
Battery acid is caustic. There is a risk of injury.
Avoid contact with the skin, eyes or clothing.
Do not inhale any battery gases. Do not lean
over the battery. Keep children away from
batteries. Wash battery acid immediately with
water and seek medical attention.
HEnvironmental note
Batteries contain dangerous
substances. It is against the
law to dispose of them with
the household rubbish. They
must be collected separately
and recycled to protect the
environment.
Dispose of batteries in an
environmentally friendly
manner. Take discharged
batteries to a qualified
specialist workshop or a
300Battery (vehicle)
Breakdown assistance

special collection point for
used batteries.
!Have the battery checked regularly at a
qualified specialist workshop.
Observe the service intervals in the
Maintenance Booklet or contact a qualified
specialist workshop for more information.
!You should have all work involving the
battery carried out ataqualified specialist
workshop. In the exceptional case that it is
necessary for you to disconnect the battery
yourself, make sure that:
Ryou switch off the engine and remove the
SmartKey. Check that all the indicator
lamps in the instrument cluster are off.
Otherwise, electronic components, such
as the alternator, may be damaged.
Ryou first remove the negative terminal
clamp and then the positive terminal
clamp. Never swap the terminal clamps.
Otherwise, the vehicle's electronic
system may be damaged.
Ron vehicles with automatic transmission,
the transmission is locked in positionP
after disconnecting the battery. The
vehicle is secured against rolling away.
You can then no longer move the vehicle.
The battery and the cover of the positive
terminal clamp must be installed securely
during operation.
Comply with safety precautions and take
protective measures when handling
batteries.
Risk of explosion.
Fire, open flames and smoking are
prohibited when handling the
battery. Avoid creating sparks.
Battery acid is caustic. Avoid
contact with skin, eyes or clothing.
Wear suitable protective clothing,
especially gloves, apronand
faceguard.
Rinse any acid spills immediately
with clear water. Contact a
physician if necessary.
Wear eye protection.
Keep children away.
Observe this Operator's Manual.
For safety reasons, Mercedes-Benz
recommends thatyou only use batteries
which have been tested and approved for
your vehicle by Mercedes-Benz. These
batteries provide increased impact
protection to prevent vehicle occupants from
suffering acid burns should the battery be
damaged in the event of an accident.
In order for the battery to achieve the
maximum possible service life, it must always
be sufficiently charged.
Like other batteries, the vehicle battery may
discharge over time if you do not use the
vehicle. In this case, have the battery
disconnected at a qualified specialist
workshop. You can also charge the battery
with a charger recommended by Mercedes-
Benz.Contact a qualified specialist workshop
for further information.
Have the battery condition of charge checked
more frequently if you use the vehicle mainly
for short trips or if you leave it standing idle
for a lengthy period. Consult a qualified
specialist workshop if you wish to leave your
vehicle parked for a long period of time.
Only replace a battery with a battery that has
been recommended by Mercedes-Benz.
iRemove the SmartKey if you park the
vehicle and do not require any electrical
Battery (vehicle)301
Breakdown assistance
Z

consumers.The vehicle will then use very
little energy, thus conserving battery
power.
iIf the power supply has been interrupted,
e.g. if you reconnect the battery, you will
have to:
Rset the clock (audio system/COMAND,
see the separate operating instructions).
Rreset the function for folding the exterior
mirrors in/out automatically, by folding
the mirrors out once (Ypage 98).
Charging the battery
GWARNING
During charging and jump-starting, explosive
gases can escape from the battery. There is a
risk of an explosion.
Particularly avoid fire, open flames, creating
sparks and smoking. Ensure there is sufficient
ventilation while charging and jump-starting.
Do not lean over a battery.
GWARNING
Battery acid is caustic. There is a risk of injury.
Avoid contact with the skin, eyes or clothing.
Do not inhale any battery gases. Do not lean
over the battery. Keep children away from
batteries. Wash battery acid immediately with
water and seek medical attention.
GWARNING
Adischarged battery can freeze at
temperatures below freezing point.When
jump-starting the vehicle or charging the
battery, gases can escape from the battery.
There is a risk of an explosion.
Allow the frozen battery to thaw out before
charging it or jump-starting.
!Only use battery chargers with a
maximum charging voltage of 14.8 V.
!Only charge the battery using the jump-
starting connection point.
The jump-starting connection point is in the
engine compartment (Ypage 303).
XOpen the hood.
XConnect the battery charger to the positive
terminal and ground point in the same
order as when connecting the donor
battery in the jump-starting procedure
(Ypage 303).
If, at low temperatures, the indicator lamps/
warning lamps in the instrument cluster do
not light up, it is highly likely that the
discharged battery has frozen.Inthis case
you may neither jump-start the vehicle nor
charge the battery. The service life of a
thawed-out battery may be shorter. The
starting characteristics can be impaired,
particularly at low temperatures. Have the
thawed-out battery checked at a qualified
specialist workshop.
Only charge the installed battery with a
battery charger which has been tested and
approved by Mercedes-Benz. An accessory
battery charge unit specially adapted for
Mercedes-Benzvehicles and tested and
approved by Mercedes-Benzis available. It
permits the charging of the battery in its
installed position. Contact an authorized
Mercedes-Benz Center for further
information and availability. Read the battery
charger's operating instructions before
charging the battery.
302Battery (vehicle)
Breakdown assistance