Air conditioning
177The signal transmission
between the transmitter
and the vehicle is faulty.
The heating system has a
fault or there is insuffi-
cient fuel in the fuel tank.
The auxiliary heating is
not working. The auxili-
ary ventilation is still
functioning. Deactivating the auxiliary heating/venti-
lation
The auxiliary heating switches off automati-
cally after 50 minutes.
i
This time limit can be altered. To do this,
visit a qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
X Press the OFFbutton. The following messages can appear in the
display: Display Meaning
The auxiliary heating/
ventilation is deactiva-
ted.
The signal transmission
between the transmitter
and the vehicle is faulty.
Checking the status of the auxiliary heat-
ing
X
Press the por obutton.
The following messages can appear in the
display: Display Meaning
The auxiliary heating/
ventilation is deactiva-
ted. A malfunction has occur-
red in the auxiliary heat-
ing/ventilation. The
heating or ventilation
function selected by the
system is not available.
The vehicle battery is not
charged sufficiently or
the system is faulty.
The signal transmission
between the transmitter
and the vehicle is faulty. The auxiliary ventilation
is switched on. The num-
ber in the display shows
the remaining time (in
minutes) for the auxiliary
ventilation.
The auxiliary heating is
switched on. The number
in the display shows the
remaining time (in
minutes) for the auxiliary
heating. Cont
rols
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Sliding sunroof
178
Heater booster function on vehicles
with a diesel engine The heater booster function helps the engine
to reach its operating temperature faster dur-
ing its warm-up phase, as well as helping to
heat the vehicle interior faster. The heater
booster function switches on if outside tem-
peratures are low and the coolant tempera-
ture is less than 70 †. Sliding sunroof
Sliding/tilting sunroof*
G
Risk of injury
Children could injure themselves if they
operate the sliding/tilting sunroof.
Never leave children unsupervised in the
vehicle. Always take the KEYLESS–GO
key* with you when leaving the vehicle,
even if you are only leaving it for a short
time. G
Risk of injury
Make sure that nobody can become trap-
ped when you are opening and closing the
sliding/tilting sunroof. If there is a risk of
entrapment, release the switch and push it
briefly in any direction to stop the sliding/
tilting sunroof. G
Risk of injury
The glass in the sliding/tilting sunroof
could break in an accident. If you are not
wearing a seat belt, there is a risk that you
could be thrown through the opening in the
event of the vehicle overturning. Therefore,
always wear a seat belt to reduce the risk
of injuries. !
Only open the sliding/tilting sunroof if it
is free of snow and ice. Otherwise, mal-
functions may occur.
Do not allow anything to protrude from the
sliding/tilting sunroof. The seals could oth-
erwise be damaged.
i Resonance noises can occur in addition
to the usual airflow noises when the slid-
ing/tilting sunroof is open. They are caused
by minor pressure fluctuations in the vehi-
cle interior.
Change the position of the sliding/tilting
sunroof or open a side window slightly to
reduce or eliminate these noises.
i It is also possible to open and close the
sliding/tilting sunroof from the outside
using the "Summer opening" (Y page 108)
and "Convenience closing" (Y page 108)
features respectively.
When PRE-SAFE ®
* has been activated, the
sliding/tilting sunroof closes automatically in
the event of danger, leaving a small gap open. Controls
* optional
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Sliding sunroof
1791
To open
2 To close/lower
3 To raise
X Make sure that the key is in position 2in
the ignition lock.
Opening X
To open manually: press the switch in the
direction of arrow 1and hold it until the
sliding/tilting sunroof and the cover are in
the desired position.
X To open fully: press the switch briefly
beyond the pressure point in the direction
of arrow 1and release it.
X To stop: press or pull the switch in any
direction. Closing X
To close manually: pull the switch in the
direction of arrow 2and hold it until the
sliding/tilting sunroof is in the desired posi-
tion.
X To close fully: pull the switch briefly
beyond the pressure point in the direction
of arrow 2and release it.
X To stop: press or pull the switch in any
direction.
X Close the cover manually if necessary
(Y page 180).
Closing with increased force and without
the anti-entrapment feature G
Risk of injury
Make sure that nobody can become trap-
ped and be seriously or fatally injured as
you close the sliding/tilting sunroof with
increased force or without the anti-entrap-
ment feature.
If the sliding/tilting sunroof locks up during
closing:
X Immediately after it locks up, pull the
switch again to the pressure point in the direction of arrow
2until the sliding/tilt-
ing sunroof is closed.
The sliding/tilting sunroof is closed with
more force.
If the sliding/tilting sunroof locks up during
closing again:
X Immediately after it locks up, pull the
switch again to the pressure point in the
direction of arrow 2until the sliding/tilt-
ing sunroof is closed.
The sliding/tilting sunroof is closed without
the anti-entrapment feature.
Raising The sliding/tilting sunroof can be raised at
the rear for ventilation.
X
To raise manually: press the switch in the
direction of arrow 3and hold it until the
sliding/tilting sunroof is in the desired posi-
tion.
X To raise fully: press the switch briefly
beyond the pressure point in the direction
of arrow 3and release it.
X To stop: press or pull the switch in any
direction. Controls
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Sliding sunroof
180
Lowering and closing X
To lower manually: pull the switch in the
direction of arrow 2and hold it until the
sliding/tilting sunroof is in the desired posi-
tion.
X To lower fully: pull the switch briefly
beyond the pressure point in the direction
of arrow 2and release it.
X To stop: press or pull the switch in any
direction.
Rain closing feature* The sliding/tilting sunroof closes automati-
cally:
R if it starts to rain
R at extreme outside temperatures
R after 12 hours
R if there is a malfunction in the power supply
The rear of the sliding/tilting sunroof is then
raised in order to ventilate the interior of the
vehicle.
i The sliding/tilting sunroof is opened
slightly again if it is obstructed while being
closed by the rain closing feature. The rain
closing feature is then deactivated. i
The sliding/tilting sunroof does not close
if:
R it is raised at the rear
R it is blocked
R no rain is falling on the windscreen (e.g.
because the vehicle is under a bridge or
in a carport)
Opening and closing the cover The cover functions as a sunblind. When you
open the sliding/tilting sunroof, the cover
moves back with it.
When the sliding/tilting sunroof is closed or
raised at the rear, you can open or close the
cover manually.Resetting the sliding/tilting sunroof Reset the sliding/tilting sunroof if it does not
open smoothly, or if the battery has been dis-
connected or has become discharged.
X
Make sure that the key is in position 0in
the ignition lock.
X Remove the fuse for the sliding/tilting sun-
roof in the main fuse box (Y page 334).
i The fuse allocation chart can be found in
the vehicle tool kit (Y page 252).
X Reinsert the fuse.
X Make sure that the key is in position 2in
the ignition lock.
X The sliding/tilting sunroof is raised fully at
the rear.
X Keep the switch pressed for an additional
second.
X Make sure that the sliding/tilting sunroof
can be opened or closed fully again
(Y page 179).
X If this is not the case, consult a qualified
specialist workshop. Controls
* optional
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Sliding sunroof
181Panorama sliding sunroof* with roller
sunblinds
Panorama sliding sunroof G
Risk of injury
Make sure that nobody can become trap-
ped when closing the panorama sliding sun-
roof. If there is a risk of entrapment, release
the switch and push it briefly in any direc-
tion to stop the panorama sliding sunroof. G
Risk of injury
Children could injure themselves if they
operate the panorama sliding sunroof.
Never leave children unsupervised in the
vehicle. Always take the KEYLESS GO
key* with you when leaving the vehicle,
even if you are only leaving it for a short
time. G
Risk of injury
The glass in the panorama sliding sunroof
could break in an accident. If you are not
wearing a seat belt, there is a risk that you
could be thrown through the opening in the
event of the vehicle overturning. Therefore,
always wear a seat belt to reduce the risk
of injuries. !
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
panorama sliding sunroof. The seals could
otherwise be damaged.
i When the panorama sliding sunroof is
open, resonance noises may occur as well
as the usual airflow noises. They are caused
by minor pressure fluctuations in the vehi-
cle interior. Change the position of the pan-
orama sliding sunroof or open a side
window slightly to reduce or eliminate
these noises.
i It is also possible to open and close the
panorama sliding sunroof from the outside
using the "Summer opening" (Y page 108)
and "Convenience closing" (Y page 108)
features respectively.
In a dangerous situation, PRE-SAFE ®
closes
the panorama sliding sunroof automatically,
leaving a small gap open. The switch is on the front overhead control
panel. 1
To open
2 To close/lower
3 To raise
X Make sure that the key is in position 2in
the ignition lock.
Opening
X To open manually: press the switch in the
direction of arrow 1and hold it until the Controls
* optional
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Sliding sunroof
182panorama sliding sunroof has moved to the
desired position.
X To open fully: press the switch briefly
beyond the pressure point in the direction
of arrow 1and release it.
X To stop: press or pull the switch in any
direction.
Closing
X Pull the switch in the direction of arrow
2 and hold it until the panorama sliding
sunroof has moved to the desired position.
Closing with increased force and without
the anti-entrapment feature G
Risk of injury
Make sure that nobody can become trap-
ped and thus sustain a serious or even fatal
injury as you close the panorama sliding
sunroof with increased force or without the
anti-entrapment feature.
If the panorama sliding sunroof locks up dur-
ing closing:
X Immediately after it locks up, pull the
switch again to the pressure point in the direction of arrow
2until the panorama
sliding sunroof is closed.
The panorama sliding sunroof is closed
with more force.
If the panorama sliding sunroof locks up dur-
ing closing again:
X Immediately after it locks up, pull the
switch again to the pressure point in the
direction of arrow 2until the panorama
sliding sunroof is closed.
The panorama sliding sunroof is closed
without the anti-entrapment feature.
Raising
The panorama sliding sunroof can be raised
at the rear for ventilation.
X Press the switch in the direction of arrow
3 and hold it until the panorama sliding
sunroof has moved to the desired position.
Lowering and closing
X Pull the rear section of the switch in the
direction of arrow 2and hold it until the
panorama sliding sunroof has lowered at
the rear and is fully closed. Roller sunblinds The roller sunblinds provide protection from
the sun. The two roller sunblinds can only be
opened and closed together when the pano-
rama sliding sunroof is closed.
G
Risk of injury
Make sure that nobody can become trap-
ped as you open or close the roller sun-
blinds.
The switch is on the overhead control panel. 1
To open
2 To close
3 To open
X Make sure that the key is in position 2in
the ignition lock. Controls
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Loading and stowing
183
Opening
X
To open manually: press the switch in the
direction of arrow 1or3 until the roller
sunblinds have moved to the desired posi-
tion.
X To open fully: briefly press the switch
beyond the pressure point in the direction
of arrow 1or3.
X To stop: press or pull the switch in any
direction.
Closing
X Pull the switch in the direction of
arrow 2until the roller sunblinds have
moved to the desired position.
Resetting the panorama sliding sunroof
and the roller sunblinds Reset the panorama sliding sunroof and the
roller sunblinds if the panorama sliding sun-
roof does not open smoothly, or if the battery
has been disconnected or discharged.
X
Make sure that the key is in position 0in
the ignition lock.
X Remove the fuse for the panorama sliding
sunroof in the main fuse box
(Y page 334). i
The fuse allocation chart can be found in
the vehicle tool kit (Y page 252).
X Reinsert the fuse.
X Make sure that the key is in position 2in
the ignition lock.
X Close the roller sunblinds fully.
X Keep the switch pressed for an additional
second.
X Open the roller sunblinds fully.
X Keep the switch pressed for an additional
second.
X Raise the panorama sliding sunroof fully.
X Keep the switch pressed for an additional
second.
X Close the panorama sliding sunroof fully.
X Keep the switch pressed for an additional
second.
X Check that the panorama sliding sunroof
can be opened fully again (Y page 181).
X If this is not the case, consult a qualified
specialist workshop. Loading and stowing
Cup holder
G
Risk of injury
Keep the cup holder closed while the vehi-
cle is in motion. Otherwise, vehicle occu-
pants could be injured by objects being
thrown around if you:
R brake sharply
R change direction suddenly
R are involved in an accident
Only use the cup holders for containers of
a suitable size and which have lids. Other-
wise, the drinks could spill.
Cup holders should not be used for hot
drinks. Otherwise, you may scald yourself. Controls
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Loading and stowing
184
Cup holder in the centre console
1
Cover
2 Chrome catch
X To open: briefly press chrome catch 2in
the direction of the arrow.
Cover 1swings upwards. 1
Cover
2 To secure the drink container
3 Retainer
4 Release button
5 To release the retainer
X To secure a drink container (driver's
side): place a drink container in the left-
hand cup holder.
X Press release button 4in the direction of
arrow 5.
X Guide retainer 3onto the drink container
in the direction of arrow 2.
X To release a drink container (driver's
side): press release button 4in the direc-
tion of arrow 5.
Retainer 3automatically snaps back into
its original position. X
To close: make sure that there is no drink
container in the cup holder.
X Fold cover 1downwards until it engages.
Cup holder for the 2nd row of seats
below the centre air vents* !
Close the cup holder if you are not using
it and before folding down the 2nd row of
seats.
i Vehicles with a centre console for the 2nd
row of seats* and a short wheelbase do not
have a cup holder below the centre air
vents.
Opening the cup holder 1
Cover Controls
* optional
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