2012 MERCEDES-BENZ CLS COUPE boot

Changing th
esettings of th elocking
system
You can chang ethe settings of th elocking
system. This mean stha tonlyt he driver' sdoor
and th efuel fille rflap are unlocked when the
vehicle is unlocked. This is useful if you fre-
quently travel on your own.
X To chang ethe setting: press and hold
down the %and& buttons on the
key simultaneously for approximately six
seconds until the battery chec klamp
flashes twice ( Ypage 79).
i If th esettin goft helockin gsystem is
changed within th esignal range of th evehi-
cle ,pressin gthe & or% button:
R locks or
R unlock sthe vehicle
The ke ynow function sasfollows:
X To unlock th edriver's door: pressthe
% buttononce.
X To unlock centrally: pressthe % but-
to nt wice.
X To lock centrally: pressthe & button.
The KEYLESS-GO function is changed as fol-
lows:
X To unlock th edriver's door: touch the
inner surface of th edoor handle on the
driver' sdoor.
X To unlock centrally: touch theinner sur-
fac eoft hedoor handle on th efront-
passenger door or th erear door.
X To lock centrally: touch theouter sensor
surface on on eofthedoor handles.
X To restor ethe factor ysettings: press
and hold down the %and& buttons
simultaneousl yfor approximately six sec-
onds until th ebattery check lamp flashes
twice (Y page 79). Emergency key element
General notes If th
evehicle can no longer be locke dor
unlocked wit hthe key, use th eemergency
ke ye lement.
If you use th eemergenc ykey element to
unlock and open the driver's door or the boot
lid, the anti-thef talarm system will be trig-
gered (Y page 71).
There are several ways to tur noff the alarm:
X To turn the alarm off with the key: press
the % or& button on the key.
or
X Insert the key into the ignition lock.
or
X To deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the igni-
tion lock. The key must be in the vehicle.
or
X Lock or unlock the vehicle using KEYLESS-
GO. The key must be outside the vehicle.
If you unlock the vehicle using the emergency
key element, the fuel filler fla pwilln ot be
unlocked automatically.
X To unlock the fuel filler flap: insert the
key into the ignition lock.
Removing the emergency key element :
Releas ecatch
; Emergency key element 78
KeyOpening and closing

Automati
clocking feature X
To deactivate: press and hold button :
for about fiv eseconds until atones ounds.
X To activate: press and hold button ;for
about fiv eseconds until atones ounds.
i If you press on eofthe tw obuttons and
do not hear aton e, th erelevant settin ghas
already been selected.
The vehicle is locked automatically when the
ignitio nisswitched on and the wheels are
turning.
You could therefore be locked out if:
R the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is being tested on adynamom-
eter.
You can also switch the automatic locking
function on and off using the on-board com-
puter (Y page 225). Unlocking the driver's door (emer-
gencyk
ey element)
If th evehicle can no longer be unlocked with
th ek ey, use th eemergency key element.
X Take th eemergency key element out of the
key (Y page 78).
X Inser tthe emergency key element into the
lock of the driver's door as far as it will go. 1
To unlock
X Turn the emergency key element anti-
clockwise to position 1.
The door is unlocked.
i On right-hand-drive vehicles, turn the
emergency key element clockwise.
X Turn the emergency key element back and
remove it.
X Insert the emergency key element into the
key.
If you use the emergency key element to
unlock and open the driver's door, the anti-
theft alarm system will be triggered
(Y page 71). Locking the vehicle (emergency key
element)
If the vehicle can no longer be locked with the
key, use the emergency key element.
X Open the driver's door.
X Close the front-passenger door, the rear
doors and the boot lid.
X Press the locking button (Y page 83).
X Check whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs manually,ifn ecessary (Ypage 82).
X Close the driver's door.
X Take the emergency key element out of the
key (Y page 78).
X Insert the emergency key element into the
lock of the driver's door as far as it will go. 84
DoorsOpening and closing

1
Locking
X Turn the emergency key element clockwise
as far as it willgotop osition1.
i On right-hand-drive vehicles, turn the
emergency key element anti-clockwise.
X Turn the emergency key element back and
remove it.
X Make sure that the doors and the boot lid
are locked.
X Insert the emergency key element into the
key. Boot
Important safety notes
G
WARNING
Exhaust fumes could enter the vehicle interior
if the engine is running and the boot lid is
open. This could poiso nyou. Therefore, you
should make sure that the boot lid is always
closed when the engine is running.
! The boot lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the boot lid.
i Opening dimensions of the boot lid
(Y page 366).
Do not leave the key in the boot. You could
otherwise lock yourself out. Vehicles without the boot lid remotec
los-
ing feature: the boot lid can be:
R opened and closed manually from outside
R opened automatically from outside
R opened automatically from inside
R unlocked with the emergenc ykey element
Vehicles with the boot lid remote closing
feature: the boot lid can be:
R opened and closed manually from outside
R opened and closed automatically from out-
side
R opened and closed automatically from
inside
R unlocked with the emergency key element Opening/closing from the outside
To open X
Press the %button on the key.
X Pull handle :.
To close G
WARNING
Make sure that nobody can become trapped
when closing the boot lid. Boot
85Opening and closing Z

X
Pull the boot lid down using recess :.
X If necessary, lock the vehicle with
the & button on the key (Y page 77) or
with KEYLESS-GO (Y page 77).
i IfaK EYLESS-GO key is detected in the
boot, the boot lid cannot be locked. It then
opens again. Opening/closing automatically from
the outside
Important safety notes G
WARNING
Only for the United Kingdom: if the vehicle
has been locked with the key or with KEY-
LESS-GO, the double lock function is activa-
ted as standard. It is then not possible to open
the doors from inside the vehicle.
Therefore, do not leave any people behind in
the vehicle, particularly children, elderly peo-
ple or people requiring special assistance. As
ar esult, they may not be able to free them-
selves in the event of an emergency. They
could be seriously or even fatally injured by
prolonged exposure to extremely high or low
temperatures, for example. In this case, res-
cuing people from outside the vehicle is diffi-
cult.
Deactivate the interior motion sensor before
you lock the vehicle. The doors can then be
opened from the inside after the vehicle has
been locked from the outside. G
WARNING
Monito rthe boot lid opening and closing pro-
cedures to make sure that nobody can
become trapped. To stop the opening or clos-
ing procedure, press the closing button on the
boot lid again or pull the handle on the outside
of the boot lid.
! The boot lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the boot lid.
i Opening dimensions of the boot lid
(Y page 366).
To open You can open the boot lid automatically using
the key or the handle in the boot lid.
X
Press and hold the Fbutton on the key
until the boot lid opens.
or
X If the boot is unlocked, pull the boot lid
handle and release it again immediately
(Y page 85).
To close Example: closing and locking button (vehicle with
the boot lid remote closing feature and KEYLESS-
GO)
:
Closing button
; Lockingb utton
X To close: press closing button :on the
boot lid. 86
BootOpening and closing

Vehicles with the boot li
dremot eclosing
featur eand KEYLESS-GO: you can simulta-
neously clos eand lock th eboot lid.
X Pres slocking button ;on th eboot lid.
i If you leave aKEYLESS-GO key in the
boot ,the boot lid will not lock. Opening/closing automatically from
th ei nside
Important safety notes G
WARNING
Monito rthe boot lid closing procedure to
make sure that nobody can become trapped.
Release the boot lid remote operating button
to stop the closing procedure.
i Opening dimensions of the boot lid
(Y page 366).
Opening and closing X
To open: pull remote operating switch for
boot lid :until the boot lid opens.
X To close: press remote operating switch
for boot lid :until the boot lid is closed.
You can open the boot lid from the driver's
seat when the vehicle is stationary and
unlocked. Unlocking the boot (emergency key
element)
! The boot lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the boot lid.
If the boot cannot be unlocked with the key
or KEYLESS-GO, use the emergency key ele-
ment.
If you use the emergency key element to
unlock and open the boot lid, the anti-theft
alarm system will be triggered (Y page 71).
X Take the emergency key element out of the
key (Y page 78).
X Insert the emergency key element into the
boot lid lock as far as the stop. 1
Neutral position
2 To unlock
X Turn the emergency key element anti-
clockwise from position 1as far as it will
go to position 2.
The boot is unlocked.
X Turn the emergency key element back to
position 1and remove it.
X Insert the emergency key element into the
key. Side windows
Important safety notes
G
WARNING
Make sure that nobody can become trapped
between the side window and the door frame Side windows
87Opening and closing
Z

change them. Otherwise, yo
ucould be burned
if yo utouch them.
Kee pbulbs outoft he reach of children. Oth-
erwise, they could damage the bulbs, for
example, and injure themselves.
Never use abulb which has been dropped.
Such abulb may break or even explode and
injure you.
Halogen bulbs are pressurised and can
explode when you change them, particularly
if they are very hot. You should therefore wear
eye protection and gloves when you are
changing them.
There are bulbs other than xenon and LED
bulbs that you cannot replace. Replace only
the bulbs listed (Y page 120). Have the bulbs
that you cannot replace yourself changed at
aq ualified specialist workshop.
If you require assistance changing bulbs, con-
sult aqualified 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 use alint-
free cloth or only touch the base of the bulb
when fitting.
Only use bulbs of the correct type.
If the new bulb still does not light up, consult
aq ualified 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 settingc hecked regularly.Overview of bulb replacement
–bulbs
You can replace the following bulbs. The
details for the bul btype can be found in the
legend. Tai
llamps
: Reversing lamp: W16W Replacing the rear bulbs
Reversing lamp Lamp cluster
X
Switch off the lights.
X Open the boot.
X Reach up into the side panelling and pull
downward suntil the lamp cluster is easily
accessib le.
X Press the detent of connector ;and pull
out connector ;.
X Use asuitabl etool to loosen and remove
four nuts :.
X Remove the entire lamp cluster.
X Turn bul bholder =anti-clockwise and pull
it out.
X Pul lout the bulb.
X Insert the new bul binto bul bholder =. 120
Replacing bulbsLights and windscreen wipers

Refuelling
Opening/closing the fue lfille rflap :
To open the fuel filler flap
; To inser tthe fuel filler cap
= Tyre pressure table
? Fuel type to be refuelled
The fuel filler flap is unlocked or locked auto-
matically when you open or close the vehicle
with the key or using KEYLESS-GO.
The position of the fuel filler cap is displayed
8 in the instrumentc luster. The arrow
next to the filling pump indicates the side of
the vehicle.
Opening X
Switch off the engine.
X Remove the key from the ignition lock.
X KEYLESS-GO: open the driver's door.
This corresponds to key position 0:"key
removed".
The driver's door can be closed again.
X Press the fuel filler flap in the direction of
arrow :.
The fuel filler flap opens slightly.
X Open the fuel filler flap fully.
X Turn the fuel filler flap anti-clockwise and
remove it. X
insert the fuel filler cap into the holder on
the inside of fuel filler flap ;
X Completely insert the filler neck of the fuel
pump nozzle into the tank and refuel.
X Only fill the tank until the pump nozzle
switches off.
i Do not add any more fuel after the pump
stops filling for the first time. Otherwise,
fuel may leak out.
Closing X
Replace the cap on the filler neck and turn
clockwise until it engages audibly.
X Close the fuel filler flap.
i Close the fuel filler flap before locking the
vehicle. Otherwise, the locking pin of the
central locking prevents the fuel filler flap
from closing. Fuel filler flap emergency release
X open the boot lid. X
Slide the luggage net down.
X Open the right-hand side trim panel.
X Remove the first-aid kit (Y page 310).
X Detach the emergency release from
retainer :.
X Pull the emergency release in the direction
of arrow ;.
The fuel filler flap is released.
X Open the fuel filler flap. Refuelling
157Driving and parking Z

Problem Possible causes/consequences and
M Solutions
The fuel filler flap can-
not be opened. The fuel filler flap is not unlocked.
or
The key battery is discharged.
X
Unlock the vehicle using the emergency key element
(Y page 78).
X Open the boot lid or the tailgate.
X open the boot lid.
X Manuallyu nlock the fuel filler flap using the emergency release
(Y page 157). The fuel filler flap is unlocked, but the opening mechanism is jam-
med.
X
Consult aqualified specialist workshop. Parking
Important safety notes
G
WARNING
If flammable materials such as leaves, grass
or twigs are exposed to prolonged contact to
parts of the exhaust system that heat up, they
could ignite. There is arisk of fire.
Park the vehicle so that no flammable mate-
rials come into contact with parts of the vehi-
cle which are hot. Take particular care not to
park on dry grassland or harvested grain
fields. G
WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect,
for example, the power steering and the brake
boosting effect.Y ou will require considerably
more effort to steer and brake. There is arisk
of an accident.
Do not switch off the ignition while driving. G
WARNING
If you leave children unsupervised in the vehi-
cle, they could set it in motion by, for example:
R releasing the parking brake
R shifting the automatic transmission out of
the parking position P
R starting the engine.
They could also operate the vehicle's equip-
ment.T here isarisk of an accident and injury.
When leaving the vehicle, always take the key
with you and lock the vehicle. Never leave
children unsupervised in the vehicle.
! Am oving vehicle can lead to damage to
the vehicle or damage to the drive train.
To ensure that the vehicle is secured against
rolling away unintentionally:
R the parking brake must be applied.
R the transmission must be in position Pand
the key must be removed from the ignition
lock.
R on uphill or downhill gradients, the front
wheels must be turned towards the kerb. Parking
159Driving and parking Z