2012 MERCEDES-BENZ CLS COUPE key

X
Remove th ekeyfrom th eignition lock.
X Press button :.
Indicato rlamp ;light supb riefly.
X Loc kthe vehicle wit hthe keyorK EYLESS-
GO.
Tow-away protection is deactivated.
Tow-away protection remains deactivated
until:
R thev ehicle is unlocked again and
R ad oor is opened and closed again and
R thev ehicle is locke dagain
To preven tafalse alarm, deactivate the tow-
away protection if you lock you rvehicle and
it:
R is being transported
R is being loaded ontoaf erry or car trans-
porter ,for example
R is parked on amovable surface, e.g. in a
split-level garage Interior motion sensor
Function When the interior motion sensor is primed, a
visual and audible alarm is triggered if move-
ment is detected in the vehicle interior. This
can occur if someon ereaches intot he vehicle
interior, for example.
Activating X
Make sure that:
R
the side windows are closed.
R the sliding sunroof is closed.
R ther eare no objects, e.g. mascots, hang-
ing on the rear-view mirror or on the grab
handles on the roof trim.
This will preven tfalse alarms.
X Mak esure that: R
thed oor sare closed.
R thes lidin gsunroo fisclosed.
R the boot lid is closed.
Only then is the interior motion sensor
primed.
X Lock the vehicle with the key or KEYLESS-
GO.
The interior motion sensor is primed after
approximately 30 seconds.
To deactivate X
Unlock the vehicle with the key or KEY-
LESS-GO.
The interior motion sensor is switched off
automatically.
Deactivating X
Remove the key from the ignition lock.
X Press button :.
Indicator lamp ;flashes briefly.
X Lock the vehicle with the key or KEYLESS-
GO.
The interior motion sensor is deactivated.
The interior motion sensor remains deactiva-
ted until:
R the vehicle is unlocked againa nd
R ad ooriso peneda nd closed agai nand
R the vehicl eislocked again 72
Anti-theft systemsSafety

To prevent
afalse alarm, deactivate the inte-
rior motion sensor if you lock your vehicle
and:
R people or animals remain in the vehicle.
R the side windows remain open.
R the sliding sunroof remains open.
i UK only: your vehicle is equipped with a
double lock function. The doors cannot be
opened from the inside if the vehicle was
locked with the key or with KEYLESS-GO
(Y page 82). 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. Observe the "Important
safety notes" (Y page 82). Anti-theft systems
73Safety Z

Useful information
..............................76
Key ....................................................... 76
Doors .................................................... 82
Boot ...................................................... 85
Side windows ...................................... 87
Sliding sunroof .................................... 91 75Opening and closing

Useful information
i This Owner's Manual describes all mod-
els, series and optional equipment for your
vehicle that were available at the time of
going to press. National variation sare pos-
sible. Not ethat your vehicle may not be
equipped with all of the function sdescri-
bed. This is also the case for system sand
function srelevan ttosafety.
i Read the information on qualified special-
ist workshops: (Y page 23). Key
Important safet
ynotes 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 even tofanemergency. They
could be seriously or even fatally injured by
prolonged exposur etoextremely high or low
temperatures, for example. In this case, res-
cuing people from outside the vehicle is diffi-
cult.
Deactivate the interior motion senso rbefore
you lock the vehicle. The doors can then be
opened from the inside after the vehicle has
been locked from the outside. G
WARNING
If children are left unsupervised in the vehicle,
they could: R
open adoor from inside the vehicle at any
time, even if it has been locked
R start the vehicle using akey which has been
left in the vehicle
R release the parking brake
They could thereby endanger themselves and
others. Never leave children unsupervised in
the vehicle. Always take the key with you
when leaving the vehicle, even if you are only
leaving it for ashort time. G
WARNING
If ak ey ring is too heavy or too large, the
weight actin gonthe key could cause it to turn
in the ignition lock or catc honthe steering
wheel. This could cause the engine to be
switched off suddenly. You may lose control
of the vehicle and cause an accident. Do not
attac hany heavy or large key rings to the key
that is inserted in the ignition.
R Do not keep the key:
- with electronic devices, e.g. amobile
phone or another key
- with metallic objects, e.g. coins or metal
foil
- inside metallic objects, e.g. ametal case
This can affect the key's functionality.
Keep the key away from strong magnetic
fields. Otherwise, the remot econtrol function
could be affected. 76
KeyOpening and closing

Key functions
:
& To loc kthe vehicle
; F To unlock the boot lid
= % To unlock the vehicle
X To unlock centrally: press the%but-
ton.
If you do not open the vehicle within
approximately 40 seconds of unlocking:
R the vehicle is locked again.
R the anti-theft system is primed again.
X To lock centrally: press the&button.
The key centrally locks/unlocks:
R the doors
R the boot lid
R the fuel filler flap
When unlocking, the turn signals flash once.
When locking, they flash three times.
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer (Y page 225).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 223). KEYLESS-GO
General notes Bear in mind that the engine can be started
by any of the vehicle occupants if there is a
KEYLESS-GO key in the vehicle. Locking and unlocking centrally You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you only need carry
the key with you. When you touch the surface
of the sensors on the vehicle's outside door
handles, KEYLESS-GO establishes
aradio
connection between the vehicle and the key.
When the engine is started and whilst you are
driving, KEYLESS-GO also checksw hether a
valid key is in the vehicle by periodically
establishing radio contact.
You can combine the KEYLESS-GO functions
with those of aconventional key, e.g. using
KEYLESS-GO to unlock and pressing the
& button to lock.
When locking or unlocking with KEYLESS-GO,
the distance between the key and the corre-
sponding door handle must not be greater
than 1m. X
To unlock the vehicle: touch the inner
surface of the door handle.
X To lock the vehicle: touch sensor sur-
face :.
X Convenience closing feature: touch
recessed sensor surface ;for an exten-
ded period.
X To unlock the boot lid: pull the handle on
the boot lid.
Further information on the convenience clos-
ing feature (Y page 89). Key
77Opening and closing Z

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

X
Push release catch :in the direction of
the arrow and at the same time, remove
emergenc ykey element ;from the key. Battery of the key
Important safety notes G
WARNING
Batteries are toxic and contain caustic sub-
stances. For this reason, keep batteries out of
the reach of children.
If ab attery has been swallowed, visit adoctor
immediately. H
Environmenta
lnote Batteries contain pollutants.
It is illegal to dispose of them
with the household rubbish.
They must be collected sep-
arately and disposed of in an
environmentally responsible
recycling system.
Dispose of batteries in an
environmentally responsible
manner
.Take discharged
batteries to aqualified spe-
cialis tworkshop or to acol-
lection point for used batter-
ies.
Mercedes-Benz recommends that you have
the batteries replaced at aqualified specialist
workshop. Checking the battery X
Press the &or% button.
The battery is working properly if battery
check lamp :lights up briefly.
The battery is discharged if battery check
lamp :does not light up briefly.
X Change the battery (Y page 79).
i If the key battery is checked within the
signal reception range of the vehicle, press-
ing the &or% button:
R locks or
R unlocks the vehicle
i You can get abattery in any qualified spe-
cialist workshop.
Replacing the battery You require
aCR20253Vc ell battery.
X Take the emergenc ykey element out of the
key (Y page 78). :
Battery compartment cover
; Emergency key element Key
79Opening and closing Z

X
Press emergenc ykey element ;into the
opening in the key in the direction of the
arrow until batter ycompartment cover :
opens. When doing so, do not hold battery
compartment cover :shut.
X Remove batter ycompartment cover :.=
Battery
X Repeatedly tap the key against your palm
until battery =falls out.
X Inser tthe new battery with the positive ter-
minal facing upwards. Use alint-free cloth
to do so.
X Make sure that the surface of the battery is
free from lint, grease and all other forms of
contamination.
X Insert the front tabs of battery compart-
ment cover :into the housing and then
press to close it.
X Insert emergency key element ;into the
key (Y page 78).
X Check the function of all key buttons on the
vehicle. 80
KeyOpening and closing