2014 MERCEDES-BENZ CLS clock

You could therefore lock yourself out if:
Rthe vehicle is being pushed.
Rthe vehicle is being towed.
Rthe vehicle is onaroller dynamometer.
You can also switchthe automatic locking
function on and off using the on-board
computer (Ypage 232).
Unlocking thedriver'sdoor
(mechanical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
XTake the mechanical key out of the
SmartKey (Ypage 78).
XInsert the mechanical key intothe lock of
the driver's door as far as it will go.

To unlock
XTurn the mechanical key counter-clockwise
to position
.
The door is unlocked.
XTurn the mechanical key back and remove
it.
XInsert the mechanical key intothe
SmartKey.
If you use the mechanical key to unlockand
open the driver's door, the anti-theftalarm
system will be triggered(Ypage 74).
Locking thevehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey, use the mechanical key.
XOpen the driver's door.
XClose the front-passenger door, the rear
doors and the trunk lid.
XPress the locking button (Ypage 83).
XCheck whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs manually, if necessary (Ypage 82).
XClose the driver's door.
XTake the mechanical key out of the
SmartKey (Ypage 78).
XInsert the mechanical key intothe lock of
the driver's door as far as it will go.

To lock
XTurn the mechanical key clockwise as far
as it will go to position
.
XTurn the mechanical key back and remove
it.
XMake sure that the doors and the trunk lid
are locked.
XInsert the mechanical key intothe
SmartKey.
Trunk
Important safety notes
GWARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide.Exhaust
gases can enter the vehicleinteriorifthe
trunk lidisopenwhen the engine is running,
84Trunk
Opening and closing

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

could burn yourselfonthese components.
There isarisk of injury.
Allow these components to cool down before
changingabulb.
There are bulbs other than Xenon and LED
bulbs that you cannot replace. Replace only
the bulbs listed (Ypage 125). Have the bulbs
that you cannot replace yourself changed at
aqualified specialist workshop.
If you require assistance changing bulbs,
consultaqualified specialist workshop.
Do not touch the glass tube of new bulbs with
your bare hands. Even minor contamination
can burn into the glass surface and reduce
the service life of the bulbs. Always usealint-
free cloth or only touch the base of the bulb
when installing.
Only use bulbs of the correct type.
If the new bulb still does not light up, consult
aqualified specialist workshop.
Bulbs and lamps are an important aspect of
vehicle safety. You must therefore make sure
that these function correctly at all times.
Have the headlamp settingchecked regularly.
Overview: changing bulbs/bulb types
You can change the following bulbs. The bulb
type can be found in the legend.
Tail lamp
Backup lamp:W16W
Changing the rear bulbs
Backup light
Lamp unit
XSwitch off the lights.
XOpen the trunk.
XReach up into the side paneling and pull
downwards until the lamp cluster is easily
accessible.
XPress the detent of connectorand pull
out connector.
XUseasuitable tool to loosen and remove
four nuts.
XRemove the entire lamp cluster.
XTurn bulb holder$counter-clockwise and
pull it out.
XPull out bulb.
XInsert the new bulb into bulb holder$.
XInsert bulb holder$into the lamp and turn
it clockwise.
XRe-insert the lamp cluster.
XTighten four nuts.
XPush in connectoruntil it engages.
XInsert the side paneling.
Windshield wipers
Switching the windshield wiperson/
off
!Do not operatethe windshield wipers
when the windshield is dry, as this could
damage the wiper blades. Moreover, dust
Windshield wipers125
Lights and windshield wipers
Z

Setting the temperature
Dual-zone automatic climate control
Differenttemperatures can be set for the
driver's and front-passenger sides.
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
XTo increase/reduce:turn temperature
controlor%clockwise or counter-
clockwise (Ypage 131).
Only change the temperature settingin
small increments. Start at 72‡(22 †).
3-zone automatic climate control
Automatic climate control zones
You can select different temperature settings
for the driver's and front-passenger sides as
well as for the rear compartment.
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
XTo increase/reduce the temperature in
the front compartment:turn temperature
controlor%clockwise or counter-
clockwise (Ypage 134).
Only change the temperature settingin
small increments. Start at 72‡(22 †).
XTo increase/reduce the temperature in
the rear compartment using the front
control panel:press thebutton.
The indicator lamp in thebutton goes
out.
XTurn temperature controlclockwise or
counter-clockwise (Ypage 134).
Only change the temperature settingin
small increments. Start at 72‡(22 †).
The temperature settingfor the driver's
side is adopted for the rear compartment
and the front-passenger side.
XTo increase/reduce the temperature in
the rear compartment using the rear
control panel:press theor
button on the rear control panel.
Only change the temperature settingin
small increments. Start at 72‡(22 †).
Setting the air distribution
Air distribution settings
Directsair through the center and side
air vents
Directsair through the footwell air
vents
Directsair through the center, side and
footwell vents

Directsair through the defroster vents
Directsthe airflow through the
defroster, center and side air vents
(Canada only)
Directsair through the defroster and
footwell vents
Directsthe airflow through the
defroster, center and side air vents, as
well as the footwell air vents(Canada
only)
iRegardless of the air distribution setting,
airflow is always directed through the side
air vents. The side air ventscan only be
closed when the controls on the side air
ventsare turned downwards.
Setting the air distribution
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
XPress thebutton repeatedly until the
desired symbol appears in the display.
138Operating the climate control systems
Climate control

Setting the airflow
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
XTo increase:press thebutton.
XTo reduce:press thebutton.
iYou can use 3-zone automatic climate
control to set the airflow in the rear
compartmentseparately.
If the batteryisnot sufficiently charged,
blower output may be reduced. As soon as
the batteryissufficiently charged, full blower
output will be available.
Switching the ZONE function on/off
XTo activate:press thebutton.
The indicator lamp above thebutton
lights up.
Dual-zone automatic climate control: the
temperature setting for the driver's side is
not adopted for the front-passenger side.
3-zone automatic climate control: the
temperature setting for the driver's side is
not adopted for the front-passenger side
and the rear compartment.
XTo deactivate:press thebutton.
The indicator lamp above thebutton
goes out.
Dual-zone automatic climate control: the
temperature setting for the driver's side is
adopted for the front-passenger side.
3-zone automatic climate control: the
temperature setting for the driver's side is
adopted for the front-passenger side and
the rear compartment.
Defrosting the windshield
You can use this function to defrost the
windshield or to defrost the inside of the
windshield and the side windows.
Switchoff the "Windshield defrosting"
function as soon as the windshield is clear
again.
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
XTo activate:press thebutton.
The indicator lamp in thebutton lights
up.
The climate control system switches to the
following functions:
Rhigh airflow
Rhigh temperature
Rair distribution to the windshield and
frontside windows
Rair-recirculation mode off
If the battery is not sufficiently charged,
blower output may be reduced. Oncethe
battery is sufficiently charged again, full
blower output will be available again.
XTo deactivate:press thebutton.
The indicator lamp in thebutton goes
out. The previously selected settings are
restored. Air-recirculation mode remains
deactivated.
or
XPress the\rbutton.
The indicator lamp in thebutton goes
out. Airflow and air distribution are set to
automatic mode.
or
XDual-zoneautomatic climate control: turn
temperature controlsor%clockwise
or counter-clockwise (Ypage 131).
3-zoneautomatic climate control: turn
temperature controlsor%clockwise
or counter-clockwise (Ypage 134).
or
XPress theorbutton.
MAX COOL maximum cooling
The MAX COOL function is only available in
vehicles for the USA.
Operating theclimate control systems139
Climate control

dehumidification" function.Otherwise,
temperature-sensitive items stored in the
glove boxcould be damaged.
Air vent thumbwheel
Air vent
When automatic climate control is activated,
the glove box can be ventilated, for instance
to cool its contents.The level of airflow
depends on the airflow and air distribution
settings.
XTo open/close:turn thumbwheel
clockwise or counter-clockwise.
Setting the rear-compartment air
vents
Setting the center vents in the rear
compartment
Rear-compartment air vent thumbwheel
Rear-compartment air vent,right
$Rear control panel, only for Canada with
3-zone automatic climate control
!Rear-compartment air vent,left
XTo open/close:turn thumbwheelup or
down.
Setting the air vents143
Climat ec ontrol
Z

!Do not use diesel to refuel vehicles with a
gasoline engine. Do not switch on the
ignition if you accidentally refuel with the
wrong fuel. Otherwise, the fuel will enter
the fuel system. Even small amounts of the
wrong fuel could result in damage to the
fuel system and the engine. The repair
costs are high. Notifyaqualified specialist
workshopand have thefuel tankand fuel
lines drainedcompletely.
!Overfilling the fuel tank could damage the
fuel system.
!Take carenot to spill any fuel on painted
surfaces.You could otherwise damage the
paintwork.
!Useafilter when refueling fromafuel can.
Otherwise, the fuel lines and/or injection
system could be blocked by particles from
the fuel can.
Do not get into the vehicle again during the
refueling process. Otherwise, electrostatic
charge could build up again.
If you overfill the fuel tank,fuel could spray
out when the fuel pump nozzle is removed.
For further information on fuel and fuel quality
(Ypage 374).
Refueling
Opening/closing the fuel filler flap
To open the fuel filler flap
To insert the fuel filler cap
$Tire pressure table
!Fuel type to be used
The fuel filler flap is unlocked or locked
automatically when you open or close the
vehicle with the SmartKey or with KEYLESS-
GO.
The position of the fuel filler cap is displayed
in the instrument cluster. The arrow
next to the filling pump indicates the side of
the vehicle.
Opening the fuel filler flap
To open the fuel filler flap
To insert the fuel filler cap
$Tire pressure table
!Fuel type to be used
XSwitch the engine off.
XRemove the SmartKey from the ignition
lock.
XKEYLESS-GO: open the driver’s door.
This corresponds to key position0:"key
removed".
The driver’s door can be closed again.
XPress the fuel filler flap in the direction of
arrow.
The fuel filler flap opens slightly.
XOpen the fuel filler flap fully.
XTurn the fuel filler flap counter-clockwise
and remove it.
Refueling165
Driving and parking
Z

Xinsert the fuel filler cap intothe holder on
the insideoffuel filler flap.
XCompletely insert the filler neckofthe fuel
pump nozzle into the tank,hook in place
and refuel.
XOnly fill the tank until the pump nozzle
switches off.
iDo not add any more fuel after the pump
stops filling for the first time. Otherwise,
fuel may leak out.
Closing the fuel filler flap
XReplace the cap on the filler neck and turn
clockwise until it engages audibly.
XClose the fuel filler flap.
iClose the fuel filler flap before locking the
vehicle. Otherwise, the locking pin of the
central locking prevents the fuel filler flap
from closing.
iIf you are driving with the fuel filler cap
open, thereserve fuel warning lamp
flashes.Amessage appears in the
multifunction display (Ypage 251).
In addition, the\nCheck Engine warning
lamp may light up (Ypage 273).
For further information on warning and
indicator lamps in the instrument cluster,
see (Ypage 273).
Fuel filler flap emergency release
Xopen the trunklid.
XSlide down the parcel net.
XOpen the right-handside trim panel.
XRemove the first-aid kit (Ypage 320).
XDetach the emergencyrelease from
retainer.
XPull the emergency release in the direction
of arrow.
The fuel filler flap is unlocked.
XOpen the fuel filler flap.
166Refueling
Driving and parking