Problem Possible causes/consequences and
0050
0050Solutions The engine cannot be
started using the
SmartKey. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 371).
or
X Jump-start the vehicle (Y page 373).
or
X Consult a qualified specialist workshop. The engine cannot be
started using the Start/
Stop button. The
SmartKey is in the
vehicle. The vehicle is locked.
X
Unlock the vehicle and try to start the vehicle again. There is interference from a powerful source of radio waves.
X
Start your vehicle with the SmartKey in the ignition lock. You have lost a
SmartKey. X
Have the SmartKey deactivated at a qualified specialist
workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the
mechanical key. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. Doors
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment. Additionally, children could set the vehicle in
motion if, for example, they:
R
release the parking brake.
R shifting the automatic transmission out of
park position P
R Start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children. G
WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or 90
DoorsOpening and closing
Activating the function to lock the trunk
separately:
X Close the trunk lid.
X Open the glove box.
X Push the switch to position 0044.
If the vehicle is unlocked centrally, the
trunk remains locked.
i You can also lock the glove box
(Y page 317).
Deactivating the function to lock the trunk
separately:
X Open the glove box.
X Push the switch to position 0043.
If the vehicle is unlocked centrally, the
trunk will also be unlocked. Unlocking the trunk (mechanical key)
! The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
If the trunk cannot be unlocked with the
SmartKey, KEYLESS-GO or HANDS-FREE
ACCESS, use the mechanical key.
If you use the mechanical key to unlock and
open the trunk lid, the anti-theft alarm system
will be triggered. Switch off the alarm
(Y page 81).
X Take the mechanical key out of the
SmartKey (Y page 86).
X Insert the mechanical key into the trunk lid
lock as far as it will go. X
Turn the mechanical key counter-clockwise
as far as it will go from position 0047to
position 0048.
The trunk is unlocked.
X Turn the mechanical key back to position
0047 and remove it.
X Insert the mechanical key into the
SmartKey.
i When you lock the vehicle (Y page 93),
the trunk is also locked. Trunk emergency release
You can unlock the trunk lid from the inside
with the emergency release button. X
Press emergency release button 0043briefly.
The trunk lid unlocks and opens.
The trunk lid can be unlocked with the trunk
lid emergency release when the vehicle is
stationary or while driving.
The trunk lid emergency release does not
unlock the trunk lid if the battery is
disconnected or discharged. 98
TrunkOpening and closing
Trunk lid emergency release light:
R
emergency release button 0043flashes for
30 minutes after the trunk lid is opened
R emergency release button 0043flashes for
60 minutes after the trunk lid is closed Side windows
Important safety notes
G
WARNING
While opening the side windows, body parts
could become trapped between the side
window and the door frame as the side
window moves. There is a risk of injury.
Make sure that nobody touches the side
window during the opening procedure. If
somebody becomes trapped, release the
switch or pull the switch to close the side
window again. G
WARNING
While opening the side windows, body parts
in the closing area could become trapped.
There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
somebody becomes trapped, release the
switch or press the switch to open the side
window again. G
WARNING
If children operate the side windows they
could become trapped, particularly if they are
left unsupervised. There is a risk 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. If a solid object blocks or restricts a side window during the
closing process, the side window opens again
automatically. However, the automatic
reversing feature is only an aid and does not
relieve you of the responsibility of paying
attention when closing a side window.
G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small
fingers
R over the last 1/6 in(4 mm) of the closing
movement
R during resetting
R when closing the side window again
manually immediately after automatic
reversing
This means that the reversing feature cannot
prevent someone being trapped in these
situations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
someone becomes trapped, press the switch
to open the side window again. Opening and closing the side
windows
The switches for all side windows are located
on the driver's door. There is also a switch on
each door for the corresponding side window.
The switches on the driver's door take
precedence. Side windows
99Opening and closing Z
X
Turn the SmartKey to position 1or 2in the
ignition lock.
X To open manually: press the
corresponding switch.
X To open fully: press the corresponding
switch beyond the point of resistance.
Automatic closing is started.
X To close manually: pull the corresponding
switch.
X To close fully: pull the corresponding
switch beyond the pressure point.
Automatic closing is started.
X To interrupt the automatic opening/
closing: press/pull the corresponding
switch again.
i If you press the switch beyond the point
of resistance, an automatic opening/
closing process is started in the
corresponding direction. You can stop
automatic operation by operating the
switch again.
i You can continue to operate the side
windows after you switch off the engine or
remove the SmartKey. This function
remains active for five minutes or until you
open a front door.
i When the override feature for the side
windows is activated (Y page 70), the side
windows cannot be operated from the rear.
i Information on opening and closing the
roller sunblinds on the rear side windows
(Y page 324). Convenience opening
General notes You can ventilate the vehicle before you start
driving.
If the SmartKey is in close proximity to the
vehicle, the convenience opening function is
available. To do this, the SmartKey is used to carry out
the following functions simultaneously:
R
unlock the vehicle
R open the side windows
R open the panorama roof with power tilt/
sliding panel and the roller sunblinds
R switch on the seat ventilation for the
driver's seat
Convenience opening X
Press and hold the 0036button until the
side windows and the panorama roof with
power tilt/sliding panel are in the desired
position.
If the roller sunblinds of the panorama roof
with power tilt/sliding panel are closed, the
roller sunblinds are opened first.
X Press and hold the 0036button again until
the panorama roof with power tilt/sliding
panel is in the desired position.
X To interrupt convenience opening:
release the 0036button. Convenience closing feature
Important safety notes G
WARNING
When the convenience closing feature is
operating, 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
operating. Make sure that no body parts are
in close proximity during the closing
procedure.
When you lock the vehicle, you can
simultaneously:
R close the side windows
R close the panorama roof with power tilt/
sliding panel 100
Side windowsOpening and closing
On vehicles with a panorama roof with power
tilt/sliding panel, you can then close the
roller sunblinds.
i Notes on the automatic reversing feature
for:
R the side window (Y page 99)
R the panorama roof with power tilt/
sliding panel (Y page 103)
Using the SmartKey X
Press and hold the 0037button until the
side windows and the panorama roof with
power tilt/sliding panel are fully closed.
X Make sure that all the side windows and the
panorama roof with power tilt/sliding
panel are closed.
On vehicles with a panorama roof with power
tilt/sliding panel:
X Press and hold the 0037button again until
the roller sunblinds of the panorama roof
with power tilt/sliding panel close.
X To interrupt convenience closing:
release the 0037button.
Using KEYLESS-GO The SmartKey must be outside the vehicle. All
the doors must be closed. X
Touch recessed sensor surface 0043on the
door handle until the side windows and the panorama roof with power tilt/sliding
panel are fully closed.
i Make sure you only touch recessed
sensor surface 0043.
X Make sure that all the side windows and the
panorama roof with power tilt/sliding
panel are closed.
X Touch recessed sensor surface 0043on the
door handle again until the roller sunblinds
of the panorama roof with power tilt/
sliding panel close.
X To interrupt convenience closing:
release recessed sensor surface 0043on the
door handle. Resetting the side windows
If a side window can no longer be closed fully,
you must reset it.
X Close all the doors.
X Turn the SmartKey to position 1or 2in the
ignition lock.
X Pull the corresponding switch on the door
control panel until the side window is
completely closed (Y page 99).
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
window is completely closed (Y page 99).
X Hold the switch for an additional second.
X If the respective side window remains
closed after the button is released, then it
has been set correctly. If this is not the
case, repeat the steps above again. Side windows
101Opening and closing Z
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 feature 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, release
the switch or push the switch again to reopen the side window. Problem Possible causes/consequences and
0050 0050Solutions 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
cannot 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 roof with power tilt/sliding
panel
Important safety notes
In the following section, the term "sliding
sunroof" refers to the panorama roof with
power tilt/sliding panel. 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
procedures. If somebody becomes trapped:
R
release the switch immediately, or
R during automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be
stopped. 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
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle. 102
Panorama roof with power tilt/sliding panelOpening and closing
G
WARNING
At high speeds the raised sliding sunroof
automatically 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
sliding sunroof lifts during opening.
! Only open the sliding sunroof if it is free
of snow and ice. Otherwise, malfunctions
may occur.
Do not allow anything to protrude from the
sliding sunroof. Otherwise, the seals could
be damaged.
! The weather can change abruptly. It could
start to rain or snow. Make sure that the
sliding sunroof is closed when you leave the
vehicle. The vehicle electronics can be
damaged if water enters the vehicle
interior.
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
automatic reversing feature. If a solid object
blocks or restricts the sliding sunroof during
the closing process, the sliding sunroof opens
again automatically. However, the automatic
reversing feature is only an aid and does not
relieve you of the responsibility of paying
attention when closing the sliding sunroof. G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small
fingers
R over the last 1/6 in(4 mm) of the closing
movement
R during resetting
R when closing the sliding sunroof again
manually immediately after automatic
reversing
This means that the reversing feature cannot
prevent someone being trapped in these
situations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
R release the switch immediately, or
R during automatic operation, push the
switch briefly in any direction
The closing process is stopped. Operating the sliding sunroof
Opening and closing 0043
To raise
0044 To open
0087 To close/lower
X Turn the SmartKey to position 1or 2in the
ignition lock.
X Press or pull the 0057switch in the
corresponding direction. Panorama roof with power tilt/sliding panel
103Opening and closing Z
i
If you press or pull the 0057switch
beyond the point of resistance, an
automatic opening/closing process is
started in the corresponding direction. You
can stop automatic operation by pressing
or pulling again.
i If the sliding sunroof is raised at the rear,
it lowers slightly automatically at higher
speeds. The noise level in the vehicle
interior 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 SmartKey from the ignition
lock. 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 installed. In order to allow
ventilation 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 The raised sliding sunroof automatically
lowers 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
closing procedure. Press or pull the 0057
switch in any direction.
To raise the sliding sunroof again, press the
0057 switch in direction 0043. 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 somebody becomes trapped:
R release the switch immediately, or
R during automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be
stopped.
The roller sunblinds shield the vehicle interior
from sunlight. The front roller sunblind can
only be opened and closed when the sliding
sunroof is closed.
Roller sunblind reversing feature The roller sunblinds are equipped with an
automatic reversing feature. If a solid object
blocks or restricts a roller sunblind during the
closing process, the roller sunblind opens
again automatically. However, the automatic
reversing feature is only an aid and does not
relieve you of the responsibility of paying
attention when closing the roller sunblinds.
G
WARNING
The reversing feature especially does not
react to soft, light and thin objects such as
small fingers. This means that the reversing
feature cannot prevent someone being
trapped in these situations. There is a risk of
injury.
When closing make sure that no parts of the
body are in the sweep of the roller sunblind. 104
Panorama roof with power tilt/sliding panelOpening and closing