
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 variations are pos- sible. Note that your vehicle may not be
equipped with all of the functions descri-
bed. This is also the case for systems and
functions relevant to safety.
i Read the information on qualified special-
ist workshops: (Y page 25). Key
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle, they could:
R open doors, thereby endangering other per-
sons or road users
R get out and be struck by oncoming traffic
R operate vehicle equipment and become
trapped, for example
In addition, the children could also set the
vehicle in motion, for example, if they:
R release the parking brake
R shift the automatic transmission out of park
position P or shift manual transmission into
neutral
R start the engine
There is a risk of an accident and injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children and animals unattended in the vehi-
cle. Keep the keys out of the reach of children. G
WARNING
If persons (particularly children) are exposed
to heat or cold for a prolonged period, there is a risk of serious or even fatal injuries. Never
leave persons (particularly children) unatten-
ded in the vehicle. G
WARNING
If you attach heavy or large objects to the key, the key could be unintentionally turned in the
ignition lock. This could cause the engine to
be switched off. There is a risk of an accident.
Do not attach any heavy or large objects to the
key. Remove any bulky keyrings before insert-
ing the key into the ignition lock.
! Keep the key away from strong magnetic
fields. Otherwise, the remote control func-
tion could be affected.
Strong magnetic fields can occur in the
vicinity of powerful electrical installations.
Do not keep the key: R with electronic devices, e.g. a mobile
phone or another key
R with metallic objects, e.g. coins or metal
film
R inside metallic objects, e.g. a metal case
United Kingdom only: G
WARNING
When the double locks are activated, the
doors can no longer be opened from the
inside. People in the vehicle can no longer get out, e.g. in hazardous situations. There is a
risk of injury.
Therefore, do not leave any people unsuper-
vised in the vehicle, particularly children, eld-
erly people or people in need of special assis-
tance. Do not activate the double lock when
people are in the vehicle.
If the vehicle has been locked with the key,
the double lock function is activated as stand-
ard. It is then not possible to open the doors
from inside the vehicle. You can deactivate
the double lock function by deactivating the
interior motion sensor (Y page 82). The doors
can then be opened from the inside after the vehicle has been locked from the outside. You
can open the rear doors from inside the vehi-
cle if they are not secured by the child-proof
locks (Y page 71). The anti-theft alarm system 86
KeyOpening and closing

the double lock function by deactivating the
interior motion sensor (Y page 82). The doors
can then be opened from the inside after the vehicle has been locked from the outside. You
can open the rear doors from inside the vehi- cle if they are not secured by the child-proof
locks (Y page 71). The anti-theft alarm system
is triggered if the door is opened from the
inside. Switch off the alarm . Unlocking and opening the doors
from the inside
X
Pull door handle ;.
If the door is locked, locking knob :pops
up. The door is unlocked and opens.
For all countries except the United King-
dom:
You can open a door from inside the vehicle
even if it has been locked.
If the vehicle has previously been locked with
the key, opening a door from the inside will
trigger the anti-theft alarm system. Switch off
the alarm (Y page 81).
You can open the rear doors from inside the
vehicle if they are not secured by the child-
proof locks (Y page 71).
Only for the United Kingdom: if the vehicle
has been locked with the key, the double lock
function is activated as standard. It is then not
possible to open the doors from inside the
vehicle. You can deactivate the double lock
function by deactivating the interior motion
sensor (Y page 82). The doors can then be
opened from the inside after the vehicle has been locked from the outside. You can open
the rear doors from inside the vehicle if they
are not secured by the child-proof locks
(Y
page 71). The anti-theft alarm system is
triggered if the door is opened from the
inside. Switch off the alarm (Y page 81). Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle
from the inside. This can be useful if you wish to lock the vehicle before pulling away, for
example. X
To unlock: press button :.
X To lock: press button ;.
If all the doors and the tailgate are closed,
the vehicle locks.
This does not lock or unlock the fuel filler flap. You cannot unlock the vehicle centrally from
the inside if the vehicle has been locked with
the key.
For all countries except the United King-
dom:
You can open a door from inside the vehicle
even if it has been locked.
If the vehicle has previously been locked with the key, opening a door from the inside will
trigger the anti-theft alarm system. Switch off
the alarm (Y page 81).
You can open the rear doors from inside the
vehicle if they are not secured by the child-
proof locks (Y page 71).92
DoorsOpening an
d closing

When a locked door is opened from inside the
vehicle, the previous unlocking process will
be observed if the vehicle has been:
R locked with the locking button for the cen-
tral locking or
R locked automatically
Tthe vehicle will be fully unlocked if it had
previously been fully unlocked. Only the door which has been opened form the inside is
unlocked if only the driver's door had been
previously unlocked.
Only for the United Kingdom: if the vehicle
has been locked with the key, the double lock function is activated as standard. It is then not
possible to open the doors from inside the
vehicle. You can deactivate the double lock
function by deactivating the interior motion
sensor (Y page 82). The doors can then be
opened from the inside after the vehicle has
been locked from the outside. You can open
the rear doors from inside the vehicle if they
are not secured by the child-proof locks
(Y page 71). The anti-theft alarm system is
triggered if the door is opened from the
inside. Switch off the alarm (Y page 81).
When a locked door is opened from inside the vehicle, the previous unlocking process will
be observed if the vehicle has been:
R locked with the locking button for the cen-
tral locking or
R locked automatically
Tthe vehicle will be fully unlocked if it had
previously been fully unlocked. Only the door which has been opened form the inside is
unlocked if only the driver's door had been
previously unlocked. Automatic locking feature
X
To deactivate: press and hold button :
for about five seconds until a tone sounds.
X To prime: press and hold button ;for
about five seconds until a tone sounds.
i If you press one of the two buttons and do
not hear a tone, the relevant setting has
already been selected.
The vehicle is locked automatically when the
ignition is switched 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 a dynamom-
eter.
You can also switch the automatic locking
function on and off using the on-board com-
puter (Y page 249). Unlocking the driver's door (emer-
gency key element)
If the vehicle can no longer be unlocked with
the key, use the emergency key element.
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 81). Doors
93Opening and closing Z

:
Front left
; Front right
= Rear right
? Rear left
i The side windows cannot be operated
from the rear when the override feature for
the side windows is activated (Y page 71).
X Turn the key to position 1or 2in the ignition
lock.
X To open manually: press and hold the cor-
responding button.
X To open fully: press the button beyond the
point of resistance and release it.
Automatic operation is started.
X To close manually: pull the corresponding
button and hold it.
X To close fully: pull the button beyond the
point of resistance and release it.
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-
dows after switching off the engine or
removing the key. This function remains
active for five minutes or until the driver's
or front-passenger door is opened. Convenience opening feature
You can ventilate the vehicle before you start driving. To do this, the key is used to carry out
the following functions simultaneously:
R unlock the vehicle
R open the side windows
R open the panorama sliding sunroof and the
roller sunblinds
i The convenience opening feature can
only be operated using the key. The key
must be close to the driver's door handle.
X Press and hold the %button until the
side windows and the panorama sunroof
are in the desired position.
If the roller sunblinds of the panorama slid-
ing sunroof are closed, the roller sunblinds are opened first.
X Press and hold the %button again until
the panorama sliding sunroof is in the
desired position.
X To interrupt convenience opening:
release the %button. Convenience closing feature
G
WARNING
When the convenience closing feature is oper- ating, parts of the body could become trapped
in the closing area of the side window and the
sliding sunroof. There is a risk of injury.
Observe the complete closing procedure
when the convenience closing feature is oper-
ating. When closing make sure that no parts of the body are in the closing area.
When you lock the vehicle, you can simulta-
neously:
R close the side windows
R close the panorama sliding sunroof
On vehicles with a panorama sliding sunroof, you can then close the roller sunblinds.
i The key must be close to the driver's door
handle. Side windows
99Opening and closing Z

X
Point the tip of the key at the driver's door
handle.
X Press and hold the &button until the
side windows and the panorama sliding
sunroof are fully closed.
X Make sure that all the side windows and the
panorama sliding sunroof are closed.
On vehicles with a panorama sliding sunroof: X Press and hold the &button again until
the roller sunblinds of the panorama sliding
sunroof close.
X To interrupt convenience closing:
release the &button. Resetting the side windows
You must reset each side window if: R the side window opens again slightly after
being closed fully.
R the side window can no longer be fully
opened or closed.
X Close all doors.
X Turn the key to position 1or 2in the ignition
lock.
X Pull the corresponding switch on the door
control panel until the side window is com-
pletely closed (Y page 98).
X Hold the switch for an additional second.
If the side window opens again slightly:
X Immediately pull the corresponding switch
on the door control panel until the side win-
dow is completely closed (Y page 98).
X Hold the switch for an additional second.
X If the corresponding side window remains
closed after the button has been released,
the side window has been reset correctly. If
this is not the case, repeat the steps above again. 100
Side windowsOpening and closing

Problems with the side windows
G
WARNING
If you close a side window again immediately after it has been blocked or reset, the side window
closes with increased or maximum force. The reversing function is then not active. Parts of the
body could be trapped in the closing area in the process. This poses an increased risk of injury or even fatal injury.
Make sure that no parts of the body are in the closing area. To stop the closing process, releasethe switch or push the switch again to reopen the side window. Problem
Possible causes/consequences and
M MSolutions A side window cannot
be closed because it is
blocked by objects, e.g.
leaves in the window
guide. X
Remove the objects.
X Close the side window. A side window cannot
be closed and you can-
not see the cause. If a side window is obstructed during closing and reopens again
slightly:
X Immediately after the window blocks, pull the corresponding
switch again until the side window has closed.
The side window is closed with increased force.
If a side window is obstructed again during closing and reopens
again slightly: X Immediately after the window blocks, pull the corresponding
switch again until the side window has closed.
The side window is closed without the anti-entrapment feature. Panorama sliding sunroof
Important safety notes
In the following section, the term "sliding sun-
roof" refers to the panorama sliding sunroof. G
WARNING
While opening and closing the sliding sunroof, body parts in close proximity could become
trapped. There is a risk of injury.
Make sure that no body parts are in close
proximity during the opening and closing pro- cedures. If somebody becomes trapped:
R release the switch immediately, or
R during automatic operation, press the
switch briefly in any direction
The opening or closing procedure will be stop-
ped. G
WARNING
If children operate the sliding sunroof they
could become trapped, particularly if they are left unsupervised. There is a risk of injury.
When leaving the vehicle, always take the key
with you and lock the vehicle. Never leave
children unattended in the vehicle. Panorama sliding sunroof
101Opening and closing Z

G
WARNING
At high speeds the raised sliding sunroof auto- matically lowers slightly at the rear. This could
trap you or other persons. There is a risk of
injury. Make sure that nobody reaches into
the sweep of the sliding sunroof whilst the
vehicle is in motion.
If somebody becomes trapped, immediately
pull back the sliding sunroof switch. The slid- ing sunroof lifts during opening.
! Only open the panorama sliding sunroof if
it is free of snow and ice. Otherwise, mal-
functions may occur.
Do not allow anything to protrude from the
sliding sunroof. Otherwise, the seals could
be damaged.
i Resonance noises can occur in addition to
the usual airflow 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 a side window slightly to reduce or
eliminate these noises. Sliding sunroof reversing feature
The sliding sunroof is equipped with an auto-
matic reversing feature. If an object blocks or restricts the sliding sunroof during the closing
process, the sliding sunroof opens again
automatically. The automatic reversing fea-
ture is only an aid and is no substitute for your attention when closing the sliding roof. G
WARNING
The reversing function does not react:
R to soft, light and thin objects, e.g. small fin-
gers
R over the last 4 mm of the closing movement
R during resetting
R when closing the sliding sunroof again man-
ually immediately after automatic reversing This means that the reversing function cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
When closing make sure that no parts of the
body are in the closing area.
If someone is trapped:
R release the switch immediately or
R during automatic operation, press the
switch briefly in any direction
The closing process is stopped. Operating the sliding sunroof
Opening and closing :
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.
i After opening the sliding sunroof, the
front roller sunblind automatically closes
slightly. This reduces drafts in the vehicle
interior.
i If the sliding sunroof is raised at the rear,
it automatically lowers slightly at higher 102
Panorama sliding sunroofOpening and closing

speeds. The noise level in the vehicle inte-
rior is reduced as a result.
At low speeds it raises again automatically.
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.
i The sliding sunroof cannot be opened if a
roof carrier is fitted. In order to allow ven-
tilation of the vehicle interior, you can raise the sliding sunroof.
If contact is made with a roof carrier
approved by Mercedes-Benz, the sliding
sunroof lowers slightly but remains raised
at the rear .
Rain-closing feature when the engine is
switched off The rain-closing feature is only available for
vehicles with a rain sensor.
When the key is in position 0in the ignition
lock or is removed, the sliding sunroof closes
automatically:
R if it starts to rain.
R at extreme outside temperatures.
R after six hours.
R if there is a malfunction in the power sup-
ply.
The sliding sunroof remains raised at the rear
in order to allow ventilation of the vehicle
interior.
i If the sliding sunroof is obstructed when
being closed by the rain-closing feature, it
opens again slightly. The rain-closing fea-
ture is then deactivated.
The sliding sunroof does not close if: R it is raised at the rear.
R it is blocked.
R no rain is falling on the area of the wind-
screen being monitored by the rain sensor, e.g. because the vehicle is under a bridge. Rain-closing feature when driving The raised sliding sunroof automatically low-
ers at the rear when driving if it starts to rain.
The sliding sunroof is lowered depending on:
R the road speed and
R the intensity of the rain
You can manually cancel the automatic clos-
ing procedure. Press or pull the 3switch
in any direction.
To raise the sliding sunroof again, press the
3 switch in direction :. The rain-closing
feature remains activated. Operating the roller sunblinds for the
sliding sunroof
Important safety notes G
WARNING
When opening or closing the roller sunblind
parts of the body could be trapped between
the roller sunblind and the frame or sliding
sunroof. There is a risk of injury.
When opening or closing make sure that no
parts of the body are in the sweep of the roller sunblind.
If someone is trapped:
R release the switch immediately or
R during automatic operation, press the
switch briefly in any direction
The opening/closing process is stopped.
The roller sunblinds shield the vehicle interior from sunlight. The two roller sunblinds can
only be opened and closed together when the sliding sunroof is closed.
Roller sunblinds reversing feature The roller sunblinds are equipped with an
automatic reversing feature. If a solid object
blocks or restricts a roller sunblind during the
automatic closing process, the roller sunblind
opens again automatically. However, the
automatic reversing feature is only an aid, not Panorama sliding sunroof
103Opening and closing Z