2014 MERCEDES-BENZ CLS key battery

Neutral position.
To unlock
XTurn the mechanical key counter-clockwise
from position
as far as it willgoto
position.
The trunk is unlocked.
XTurn the mechanical key back to position

and remove it.
XInsert the mechanical key into the
SmartKey.
Trunk emergencyrelease
You can open thetrunk lid from inside the
vehicle with theemergency releasebutton.
XPressemergency releasebuttonbriefly.
The trunk lid unlocksand opens.
The trunk lid can be unlocked and opened
with thetrunk lid emergency releasewhen
thevehicle is stationaryorwhile driving.
The trunk lid emergency releasedoes not
open thetrunk lid if thebattery is
disconnectedordischarged.
Trunklid emergency release light:
Remergency release buttonflashes for
30 minutes after the trunk lid is opened
Remergency release buttonflashes for
60 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 frameasthe side
window moves. There isarisk of injury.
Make sure that nobody touches the side
window duringthe opening procedure. If
somebody becomes trapped, release the
switchorpull the switchtoclosethe side
window again.
GWARNING
While opening the side windows,body parts
in the closing area could become trapped.
There isarisk of injury.
Make sure that no body partsare in close
proximityduringthe closing procedure. If
somebody becomes trapped, release the
switchorpress the switchtoopen the side
window again.
GWARNING
If children operatethe side windows they
could become trapped, particularly if theyare
left unsupervised. There isarisk of injury.
Activate the override feature for the rear side
windows.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 side windows are equipped with an
automatic reversing feature. Ifasolid object
88Side windows
Opening and closing

You can adjust the contour of the front seat
backrestsindividually to provide optimum
support for your back.
Switchingtheseat heating on/off
Activating/deactivating
GWARNING
Repeatedly switching on the seat heatingcan
cause the seat cushionand backrestpads to
become veryhot.The health of persons with
limited temperature sensitivity oralimited
ability to react to excessively high
temperatures may be affected or they may
even suffer burn-like injuries. There isarisk
of injury.
Therefore, do not switch the seat heating on
repeatedly.
Driver's and front-passenger seat
The three red indicator lamps in the button
indicate the heating level you have selected.
The system automatically switches down
from level3to level2after approximately
eight minutes.
The system automatically switches down
from level2to level1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level1.
XTurn the SmartKey to position1or2in the
ignition lock (Ypage 147).
XTo switch on:press buttonrepeatedly
until the desired heating level is set.
XTo switch off:press buttonrepeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
heating may switch off.
104Seats
Seats, steering whee la nd mirrors

Problems with the seat heating
ProblemPossible causes/consequences andSolutions
The seat heating has
switched off
prematurely or cannot
be switched on.
The on-board voltage is too low because too many electrical
consumers are switched on.
XSwitch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating will
switch back on automatically.
Switching the seat ventilation on/off
Activating/deactivating
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
XTo switch on:press buttonrepeatedly
until the desired ventilation level is set.
XTo switch off:press buttonrepeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
ventilation may switch off.
iYou can open the side windows and the
sliding sunroof using the "Convenience
opening" feature (Ypage 89). The seat
ventilation of the driver's seat
automatically switches to the highest level.
Seats105
Seats, steering whee la nd mirrors
Z

Problems with the seat ventilation
ProblemPossible causes/consequences andSolutions
The seat ventilation has
switched off
prematurely or cannot
be switched on.
The on-board voltage is too low because too many electrical
consumers are switched on.
XSwitch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat ventilation will
switch back on automatically.
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 isarisk of an accident.
Adjust the driver's seat, head restraint,
steering wheel and mirror and fasten your
seat belt before startingthe engine.
GWARNING
Children could injure themselves if they
adjust the steering wheel. There isarisk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
Adjusting the steering wheel
electrically
To adjust the steering wheel height
To adjust the steering wheel position
(fore-and-aft adjustment)
iFurther related subjects:
REASY-ENTRY/EXIT feature
(Ypage 108)
RStoring settings (Ypage 112)
106Steering wheel
Seats, steering whee la nd mirrors

Problems with the steering wheel heating
ProblemPossible causes/consequences andSolutions
If the steering wheel
heating indicator lamp
is flashing, the steering
wheel heating has
switched off
automatically.
The on-board voltage is too low because too many electrical
consumers are switched on.
XSwitch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the steering wheel
heating will switch back on automatically.
EASY-ENTRY/EXIT feature
Important safety notes
GWARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants–particularly children–could
become trapped. There isarisk of injury.
While the EASY-ENTRY/EXIT feature is
making adjustments, make sure that no one
has any body parts in the sweep of the
steering wheel.
If somebody becomes trapped:
Rpress one of the memory function position
buttons, or
Rmove the switch for steering wheel
adjustmentinthe opposite direction to that
in which the steering wheel is moving.
The adjustment process is stopped.
GWARNING
If children activate the EASY-ENTRY/EXIT
feature, they can become trapped,
particularly when unattended. There isarisk
of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
GWARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There isarisk of an
accident.
Always wait until the adjustment process is
complete before driving off.
The EASY-ENTRY/EXITfeature makes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board
computer (Ypage 233).
Position of the steering wheel when the
EASY-ENTRY/EXIT featureisactive
The steeringwheel swings upwards when
you:
Rremove the SmartKey from the ignition lock
Rwith KEYLESS-GO:open the driver's door;
KEYLESS-GO must be in position1in the
ignition lock
Rwith the SmartKey:open the driver's
door; the SmartKey must be in position0
or1in the ignition lock (Ypage 147)
iThe steeringwheel only moves upwards if
it has not already reached the upper end
stop.
108Steering wheel
Seats, steering wheel and mirrors

The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustmentbutton$as long
as the indicator lamp is lit.
XPress adjustmentbutton$up, down,or
to theleft or right until you have adjusted
theexteriormirror to thecorrectposition.
You should haveagood overview of traffic
conditions.
The convex exteriormirrors providealarger
field of vision.
After the engine has been started, the
exterior mirrors are automatically heatedif
the rear window defroster is switched on and
the outside temperature is low. Heating takes
amaximum of 10 minutes.
iThe exterior mirrors can also be heated
manually by switching on the rear window
defroster.
Folding theexterior mirrorsinorout
electrically
XTurn the SmartKey to position1or2in the
ignition (Ypage 147).
XBriefly press button.
Bothexterior mirrors fold in or out.
iMake sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
iIf you are drivingfaster than 30 mp/h
(47 km/h), you can no longer fold in the
exterior mirrors.
Setting theexterior mirrors
If the battery has been disconnected or
completely discharged, the exterior mirrors
must be reset.The exterior mirrors will
otherwise not fold in when you select the
"Fold in mirrors when locking" function in the
on-board computer (Ypage 233)
XTurn the SmartKey to position1in the
ignition lock (Ypage 147).
XBriefly press button.
Folding the exterior mirrors in or out
automatically
If the "Fold in mirrors when locking" function
is activated in the on-board computer
(Ypage 233):
Rthe exterior mirrors fold in automatically as
soon as you lock the vehicle from the
outside.
Rthe exterior mirrors fold out again
automatically as soon as you unlock the
vehicle and then open the driver's or front-
passenger door.
iIf the exterior mirrors have been folded in
manually,they do not fold out.
Exterior mirror pushed out of position
If an exterior mirror has been pushed out of
position, proceed as follows:
XVehicles without electrically folding
exterior mirrors:move the exterior mirror
into the correct position manually.
XVehicles with electrically folding
exterior mirrors:press and hold mirror-
folding buttonuntil you hearaclick and
then the mirrors engage in position
(Ypage 110).
The mirror housing is engaged again and
you can adjust the exterior mirrors as usual
(Ypage 109).
110Mirrors
Seats, steering whee la nd mirrors

take precedence overthe daytime running
lamps.
Low-beam headlamps
GWARNING
When the lightswitchisset to\r,thelow-
beam headlampsmay not be switchedon
automatically if there is fog, snow or other
causes of poor visibility due to theweather
conditions such as spray. Thereisarisk of an
accident.
In such situations, turnthe light switch to
.

Left-hand standing lamps
\nRight-hand standing lamps
Parking lamps, license plate and
instrumentcluster lighting
\rAutomatic headlamp mode,
controlled by the light sensor
Low-beam/high-beam headlamps
Even if the light sensor does not detect that
it is dark,the parking lamps and low-beam
headlamps switchonwhen the ignition is
switched on and the light switchisset to the
position. This isaparticularly useful
function in the eventofrain and fog.
XTo switch on thelow-beam headlamps:
turnthe SmartKey in the ignition lock to
position2or start the engine.
XTurn the light switchto.
The greenindicator lamp in the
instrumentcluster lightsup.
Parking lamps
!If the battery has been excessively
discharged, the parking lamps or standing
lamps are automatically switched off to
enable the nextengine start. Alwayspark
your vehiclesafelyand sufficiently lit
according to legalstandards.Avoid the
continuoususe of theparking lamps
for severalhours.Ifpossible, switch on the
\nright or theleft standinglamp.

Left-hand standinglamps
\nRight-hand standinglamps
Parking lamps, license plate and
instrument cluster lighting
\rAutomatic headlamp mode,
controlled by the light sensor
Low-beam/high-beam headlamps
XTo switch on:turn the light switch to
.
The greenindicator lamp in the
instrument cluster lights up.
118Exterior lighting
Lights and windshiel dw ipers

Interior lighting
Overview of interior lighting
Frontoverhead control panel
To switch therear interiorlighting
on/off
To switchthe automatic interior
lighting control on/off
$To switchthe right-handfront
reading lamp on/off
!\rTo switch the front interior lighting
on/off
To switch the left-hand front reading
lamp on/off
Rear-compartment overheadcontrol panel
To switch the right-hand reading
lamp on/off
To switch the left-hand reading lamp
on/off
Interior lighting control
General notes
In order to prevent the vehicle's battery from
discharging, the interior lighting functions are
automatically deactivated after some time
unless the SmartKey is in position2in the
ignitionlock.
The color and brightness of the ambient
lighting may be set using the on-board
computer (Ypage 231).
Automatic interior lighting control
Frontoverhead control panel
To switch the rear interior lighting
on/off
To switch the automatic interior
lighting control on/off
$To switch the right-hand reading
lamp on/off
!\rTo switch the front interior lighting
on/off
To switch the left-hand reading lamp
on/off
XTo activate/deactivate:press the
button.
When the automatic interior lighting
control is activated, the button is flush with
the overhead control panel.
Interior lighting123
Lights and windshiel dw ipers
Z