
There are several ways to deactivate the
alarm:
X To deactivat ethe alarmw ith the key:
press the %or& button on the key.
or
X Insert the key into the ignition lock.
or X To deactivat ethe alarmw ith 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 flap will not be
unlocked automatically.
X To unlock the fuel filler flap: insert the
key into the ignition lock.
Removing the emergency key element X
Push release catch :in the direction of
the arrow and, at the same time, remove
emergenc ykey element ;from the key.
Further information about: R unlockin gthe driver's door (Y page 102)
R unlockin gthe boot (Y page 109)
R unlockin gthe tailgate (Y page 110)
R lockin gthe vehicle (Y page 103) Inserting the emergency key element X
Push emergenc ykey element ;fully into
the key until it engages and release
catch :return stoits basic position. Battery of the key
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 Replace the battery (Y page 97).
i If the battery of the key is checked within
the signal reception range of the vehicle,
pressing the &or% button:
R locks or
R unlocks the vehicle
i You can obtain
abattery from any quali-
fied specialist workshop.
Replacing the battery You require
aCR20253Vc ell battery.
X Take the emergenc ykey element out of the
key (Y page 97). Key
97Opening and closing Z

Example: Saloon
R Alway sensure tha tyou onl ym akeak icking
movement withi nthe detection range of
sensors :.
R Stand at leas t30cmawayfrom the rear
area whil edoing so.
R Do not come into contact with the bumper
whil emaking the kicking movement. Oth-
erwise, the sensors ma ynot functio ncor-
rectly.
R HANDS-FREE ACCESS does not function
when the engine is started.
R IfaK EYLESS-GO key is withi nthe rear
detection range of KEYLESS-GO ,HANDS-
FREE ACCESS could be triggered .The boot
lid/tailgate could therefore open or close
unintentionally, e.g .ifyou:
- sitd ow nont he edge of the boot/edg eof
the luggage compartment
- set down or lift up an object behind the
vehicle
- polish the rea rofthe vehicle
Do not carry the KEYLESS-GO key about
your perso ninsuchs ituations. Yo ucan
thu savoid unintentionall yopening or clos-
ing the boot lid/tailgate.
R Dirt caused by roa dsalta round sensors :
ma yrestrict functionality.
R Using HANDS-FREE ACCESS with apros-
theti cleg ma yrestrict functionality. Operation
Example: Saloon
X To open/close: kick into sensor detection
range :under the bumpe rwithy ourfoot.
Saloon: youw illh earaw arning tone while
the boot li disclosing.
Estate: youw illh earaw arning tone while
the tailgate is opening or closing.
X If the boot lid/tailgate doe snotopen
afte rsever al attempts: wait at leastten
second sthen kick under the bumpe ronce
again.
i If yo
uholdy ourfoo tunder the bumpe rfor
too long, the boot lid/tailgate does not
open or close. Repeat the kicking move-
ment more quickl yifthiso ccurs.
Saloon: to cance lthe closing procedure:
R kick with your foo tinsensor detection
range :under the bumper
R pull the handl eonthe outside of the boot lid
R press the closing button in the boot lid, or
R press the Fbutton on the key
If the closing procedur eofthe boot li dis
cancelled ,the boot li dopens agai nauto-
matically.
Estate: to stop the opening or closing proce-
dure:
R kick with your foo tinsensor detection
range :under the bumper
R pull the handl eonthe outside of the tailgate Boot/luggage compartment
107Opening and closing Z

G
WARNING
The reversing function does not react:
R to soft, light and thin objects, e.g. smal lfin-
gers
R over the last4m mofthe closing movement
R during resetting
R when closing the side windo wagain man-
ually immediatel yafter automatic reversing
This means that the reversing function cannot prevent someone being trappe dinthese sit-
uations. There is arisk of injury.
When closing make sure that no parts of the
body are in the closing area .Ifsomeone
become strapped, press the switch to open
the side windo wagain. Opening and closing the side win-
dows
The switches for all side windows are located on the driver's door. There is alsoas witch on
each door for the corresponding side window.
The switches on the driver's door take prec-
edence. :
Front left
; Front right
= Rearr ight
? Rearl eft
X Turn the key to position 1or 2in the ignition
lock.
X To open manually: press and hold the cor-
responding switch. X
To open fully: press the switch beyond the
point of resistance and release it.
Automatic operation is started.
X To close manually: pulland hold the cor-
responding switch.
X To close fully: pullthe corresponding
switch beyond the pressure point.
Automatic operation is started.
X To interrupt automatic operation:
press/pull the corresponding switch again.
i If you press/pull the switch beyond the
point of resistance, automatic operation is
started in the corresponding direction. You
can stop automatic operation by pressing/ pulling again.
i You can continue to operate the side win-
dowsa fter switching off the engine or
removing the key. This function remains
active for five minutes or until the driver's
or front-passenge rdoor is opened.
i The side windows cannot be operated
from the rear when the overrid efeature for
the side windows is activated (Y page76). Convenience opening feature
General notes You can ventilate the vehicl
ebefore you start
driving. To do this, the key is usedtoc arry out
the following functions simultaneously:
R unlock the vehicle
R open the side windows
R open the sliding sunroof or the panorama
sliding sunroof and the roller sunblinds
R switch on the seat ventilation for the driv-
er's seat
i The convenience opening feature can
only be operated using the key. The key
must be in close proximity to the vehicle.
i The "convenience opening" feature is also
available on unlocked vehicles. Side windows
111Opening and closing Z

!
Only open the panorama sliding sunroof if
it is free of snow and ice. Otherwise, mal-
functions may occur.
Do not allowa nything to protrude from the
sliding sunroof. Otherwise, the seals could
be damaged.
i Resonance noises can occur in addition to
the usuala irflow noises when the sliding
sunroof is open. They are caused by minor
pressure fluctuations in the vehicle interior.
Change the position of the sliding sunroof
or open aside window slightly to reduce or
eliminate these noises. Sliding sunroof reversing feature
Your vehicle may be fitted with asliding sun-
roof or apanorama sliding sunroof. In this
section, the term "sliding sunroof" refers to
both types of sliding sunroof.
The sliding sunroof is equipped with an auto- matic reversing feature. If an object blocks or
restrictst he sliding sunroof during the closing
process, the sliding sunroof opens again
automatically. The automatic reversing fea-
ture is, however, only an aid and is no substi-
tute for your attention when closing the slid-
ing roof. G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small fin-
gers
R over the last 4mmofthe closing movement
R during resetting
R when closing the sliding sunroof againm an-
ually immediately after automatic reversing
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is arisk of injury.
When closing make sure that no body parts
are in the closing area. If someone is trapped:
R release the switch immediately or
R press the switch in any direction during the
automatic closing process
The closing process is stopped. Operating the sliding sunroof
Opening and closing Overhead control panel
:
To raise
; To open
= To close/lower
X Turn the key to position 1or 2in the ignition
lock.
X Press or pull the 3switch in the corre-
sponding direction.
i If you press/pull the
3switch beyond
the point of resistance, automatic opera-
tion is started in the corresponding direc-
tion. You can stop automatic operation by
pressing/pulling again.
The sun protection cover automaticallyo pens
along with the sliding sunroof. You can open
or close the sun protection cover manually
when the sliding sunroof is raised or closed.
i You can continue to operate the sliding
sunroof after switching off the engine or
removing the key. This function remains
active for five minutes or until you open a
front door. Sliding sunroof
115Opening and closing Z

Rain-closin
gfeature Whe
nthe key is in position 0in the ignition
lock or is removed ,the sliding sunroof closes
automatically:
R if it starts to rain.
R at extrem eoutsid etemperatures.
R afte rsix hours.
R if there is amalfunction in the power sup-
ply.
The rea rofthe sliding sunroof is then raised in
order to ventilate the vehicl einterior.
i If the sliding sunroof is obstructe
dwhen
being closed by the rain-closing feature ,it
opens agai nslightly. The rain-closing fea-
ture is then deactivated.
The sliding sunroof doe snot close if:
R it is raised at the rear.
R it is blocked.
R no rai nisfalling on the are aofthe wind-
screen being monitored by the rai nsensor.
If the vehicle, for example, is under abridge
or in acarport, the field of the sensor may
be covered.
Resetting !
If the sliding sunroof stil
lcanno tbe
opened or closed fully afte rresetting ,con-
tact aquali fied specialist workshop.
Reset the sliding sunroof if it doe snot operate
smoothly.
X Turn the key to position 1or 2in the ignition
lock.
X Raise the sliding sunroof fully at the rear
(Y page 115).
X Kee pthe 3 switch presse dfor another
second.
X Make sure that the sliding sunroof can be
fully opened and closed again
(Y page 115).
X If this is not the case, repea tthe steps
above again. Operating the panorama sliding sun-
roof
Opening and closing Overhead control panel
:
To raise
; To open
= To close/lower :
To raise
; To open
= To close/lower
X Turn the key to position 1or 2in the ignition
lock.
X Press or pull the 3switch in the corre-
sponding direction.
i If yo
upress the 3switch beyond the
point of resistance, an automatic opening/ closing process is started in the corre-
sponding direction. Yo ucan stop automatic
operation by pressing/pulling again. 116
Sliding sunroofOpening and closing

Rain-closin
gfeature Whe
nthe key is in position 0in the ignition
lock or is removed ,the panorama sliding sun-
roo fcloses automatically:
R if it starts to rain.
R at extrem eoutsid etemperatures.
R afte rsix hours.
R if there is amalfunction in the voltag esup-
ply
The panorama sliding sunroof remains raised
at the rea rinorder to allo wventilation of the
vehicl einterior.
i If the panorama sliding sunroof is obstruc-
ted when being closed by the rain-closing
feature ,itopens agai nslightly. The rain-
closing feature is then deactivated.
The panorama sliding sunroof doe snot close
if:
R it is raised at the rear.
R it is blocked.
R no rai nisfalling on the are aofthe wind-
screen being monitored by the rai nsensor,
e.g. because the vehicl eisunderabridge. Operating the rolle
rsunblin dfor the
panorama sliding sunroof
Important safety notes G
WARNING
Parts of the bod ycould become trapped
between the rolle rsun blind and frame or slid-
ing sunroof during automatic opening or clos-
ing. There is ariskofi njury.
Whe nopening or closing ,make sure that no
bod yparts are in the sweep of the rolle rsun-
blind.
If someone is trapped:
R release the switch immediately or
R press the switch in any direction during the
automatic opening/closing process The opening/closing process is briefl
ystop-
ped .The rolle rsun blind then returns to its ini-
tia lposition.
The rolle rsun blind shields the vehicl einterior
from sunlight. The two rolle rsunblind scan
only be opened and closed together when the panorama sliding sunroof is closed.
Rolle rsunblin dreversin gfeature The rolle
rsunblind is equipped with an auto-
mati creversing feature .Ifanobject blocks or
restricts the rolle rsun blind during the closing
process ,the rolle rsun blind opens agai nauto-
matically .The automatic reversing feature is,
however, only an ai dand is no substitute for
your attention when closing the rolle rsun-
blind. G
WARNING
The reversing function doe snot react in par-
ticula rtosoft, light and thin objects, e.g. small
fingers .Thism eans that the reversing feature
canno tprevent someone being trapped in
thes esituations. There is ariskofi njury.
Whe nclosing the rolle rsunblind ,make sure
that no bod yparts are in the sweep.
If someone is trapped:
R release the switch immediately or
R press the switch in any direction during the
automatic closing process
The closing process is briefl ystopped .The
rolle rsunblind then returns to its initia lposi-
tion. Sliding sunroof
117Opening and closing Z

Opening and closing
Overhead control panel
:
To raise
; To open
= To close/lower :
To raise
; To open
= To close/lower
X Turn the key to position 1or 2in the ignition
lock.
X Press or pull the 3switch in the corre-
spondin gdirection.
i If you press or pull the
3switch
beyond the point of resistance, automatic
operation is started in the corresponding
direction. You can stop automatic opera-
tion by pressing or pulling again. Resetting the panorama sliding sun-
roof and the roller sunblind
! If the panorama sliding sunroof and the
roller sunblinds cannot be fully opened or closed after resetting, contact
aqualified
specialist workshop.
Reset the panorama sliding sunroof and the
roller sunblinds if the panorama sliding sun-
roof or the roller sunblinds do not move
smoothly. X Turn the key to position 1or 2in the ignition
lock.
X Pull the 3switch repeatedly to the point
of resistance in the direction of arrow =
until the panorama sliding sunroof is fully
closed (Y page 118).
X Keep the 3switch pulled for an addi-
tional second.
X Pull the 3switch repeatedly to the point
of resistance in the direction of arrow =
until the roller sunblinds are fully closed.
X Keep the 3switch pulled for an addi-
tional second.
X Make sure that the panorama sliding sun-
roof (Y page 116) and the roller sunblinds
(Y page 118) can be fully opened again.
X If this is not the case, repeat the steps
above again. 118
Sliding sunroofOpening and closing

Problems with the steering wheel heating
Problem
Possible causes/consequences and
M
MSolutions The steering wheel
heating has switched
itself off prematurely or
cannot be switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window heating 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 G
WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants –particularly children –could
become trapped. There is arisk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel.
Move the steering wheel adjustment lever if
there is arisk of entrapment by the steering
wheel. The adjustment process is stopped.
Vehicles with amemory function: if there is a
risk of becoming trapped by the steering
wheel, you can also press one of the memory
function position buttons.T he adjustment
process is stopped. G
WARNING
If children activate the EASY-ENTRY/EXIT fea- ture, they can become trapped, particularly
when unattended. There is arisk of injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children unattended in the vehicle. G
WARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There is arisk of an
accident. Always wait until the adjustment process is
complete before driving off.
The EASY-ENTRY/EXIT feature makes getting in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXI Tfeature in the on-board com-
puter (Y page 294).
Position of the steering wheel when the
EASY-ENTRY/EXIT featureisa ctive The steering wheel tilts upwards if you:
R remove the key from the ignition lock
R with KEYLESS-GO: open the driver's door;
KEYLESS-GO must be in position 1
R with the key: open the driver's door; the
key must be in position 0or 1in the ignition
lock (Y page 179)
i The steering wheel only moves upwards if
it has not already reached the upper stop.
Position of the steering wheel for driv-
ing The steering wheel is moved to the previously
set position if:
R the driver's door is closed and
R with KEYLESS-GO: you press the Start/
Stop button once
or
R with the key: you insert the key into the
ignition lock Steering wheel
135Seats, steering wheela nd mirrors Z