MERCEDES-BENZ C300 4MATIC 2008 W204 Owner's Manual

270 Controls in detail
Trunk
Closing trunk Closing trunk from outside manually
1Handles
Lower trunk lid by pulling firmly on
handles1 or2.
Close the trunk with hands placed flat
on the trunk lid.
iDo not place the SmartKey in the open
trunk. You may lock yourself out.
iIf the vehicle was previously centrally
locked, the trunk will lock automatically after
closing it. All turn signal lamps flash three times
and an acoustic signal sounds three times to
confirm locking.
Vehicles with KEYLESS-GO* (Canada only): To
prevent a possible inadvertent lockout, the trunk
will open automatically if a SmartKey with
KEYLESS-GO* (Canada only) is recognized
inside the vehicle or in the trunk.
The vehicle is only locked when the turn signals
flash three times and an acoustic signal sounds
three times. If you are carrying a second
SmartKey with KEYLESS-GO* (Canada only) with
you, you can still lock the vehicle.
Warning!G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
lid opening when closing the trunk. Be espe-
cially careful when small children are
around.
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
(Canada only) from the starter switch, take
it with you, and lock the vehicle. Do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. A child’s
unsupervised access to a vehicle could re-
sult in an accident and/or serious personal
injury.

271 Controls in detail
Trunk
Trunk emergency release
With the emergency release button, the
trunk can be opened from inside the trunk.
1Emergency release buttonBriefly press emergency release
button1.
The trunk opens.Illumination of the emergency release but-
ton:

The button will flash for 30 minutes af-
ter opening the trunk.

The button will flash for 60 minutes af-
ter closing the trunk.iThe emergency release button unlocks and
opens the trunk while the vehicle is standing still
or in motion.
iThe emergency release button does not
open the trunk if the vehicle battery is dis-
charged or disconnected.

272 Controls in detail
Trunk
Valet lockingClose the trunk (page 270).
Remove the mechanical key from the
SmartKey (
page 424).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position 2 to lock the trunk.
Remove the mechanical key from the
trunk lid lock.
The trunk remains locked even when the
vehicle is centrally unlocked.
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key counterclock-
wise to neutral position 1 to unlock the
trunk.
You can now open the trunk
(
page 269).
iTo deny any unauthorized person access to
the trunk, e.g. when you valet park the vehicle,
lock it separately with the mechanical key. Leave
only the SmartKey or SmartKey with
KEYLESS-GO* (Canada only) less its mechanical
key with the vehicle.
1Neutral position
2Locked
iYou can only cancel the separate trunk lock-
ing mode by means of the mechanical key.

273 Controls in detail
Power tilt/sliding sunroof
Power tilt/sliding sunroof
Opening and closing power tilt/sliding
sunroof
Warning!G
When closing the tilt/sliding sunroof, make
sure there is no danger of anyone being
harmed by the closing procedure.
If the tilt/sliding sunroof is blocked while
closing and reopens, it can be closed with
greater force if you pull the switch to the re-
sistance point in the direction indicated by
arrow
3 within 2 seconds.
If the tilt/sliding sunroof is blocked again
and reopens, you can close it with deactivat-
ed obstruction sensor function by pulling
the switch again to the resistance point in
the direction indicated by arrow
3 within 2
seconds.
When closing the tilt/sliding sunroof with
the obstruction sensor function deactivated,
make sure no one can become trapped, as
this could result in serious or fatal injuries.
The opening/closing procedure of the
tilt/sliding sunroof can be immediately halt-
ed by releasing the switch or, if the switch
was moved past the resistance point and re-
leased, by moving the switch in any direc-
tion.
The tilt/sliding sunroof is made out of glass.
In the event of an accident, the glass may
shatter. This may result in an opening in the
roof.
In a vehicle rollover, occupants not wearing
their seat belts or not wearing them properly
may be thrown out of the opening. Such an
opening also presents a potential for injury
for occupants wearing their seat belts
properly as entire body parts or portions of
them may protrude from the passenger
compartment.When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. A child’s unsupervised ac-
cess to a vehicle could result in an accident
and/or serious personal injury.
!To avoid damaging the seals, do not trans-
port any objects with sharp edges which can
stick out of the tilt/sliding sunroof.
Do not open the tilt/sliding sunroof if there is
snow or ice on the roof, as this could result in
malfunctions.
!Please keep in mind that weather conditions
can sometimes change rapidly. Make sure to
close the tilt/sliding sunroof when leaving the
vehicle. If water enters the vehicle interior, vehi-
cle electronics could be damaged which is not
covered by the Mercedes-Benz Limited
Warranty.

274 Controls in detail
Power tilt/sliding sunroof
1Push up to raise sunroof at rear
2Push back to slide sunroof open
3Pull down to close the sunroof
With the sunroof closed or tilted open, a
screen can be slid into the roof opening to
help provide shade. When sliding the sun-
roof open, the screen will also retract.Screen
Switch on the ignition.
To open, close, raise or lower, move the
switch to resistance point in the re-
quired direction1to3 until the
tilt/sliding sunroof has reached the de-
sired position.
iWhen the tilt/sliding sunroof is open, reso-
nance noises may result in addition to the usual
wind noises. They are caused by minimal pres-
sure changes in the passenger compartment. To
reduce or eliminate these noises, change the po-
sition of the tilt/sliding sunroof or open a side
window slightly.
iYou can also open or close the tilt/sliding
sunroof using the SmartKey, see “Summer open-
ing feature” (
page 123) and “Convenience
closing feature” (
page 124).
iWith the SmartKey in starter switch
position0 or removed from the starter switch,
the tilt/sliding sunroof can be operated

until you open the driver’s or passenger door

for up to approximately 5 minutes

275 Controls in detail
Power tilt/sliding sunroof
Express-operation: To open, close,
raise or lower, move the switch past
the resistance point in the required
direction1to3 and release.
The tilt/sliding sunroof opens or closes
completely.
Stopping during Express-opening/
closing: Move the switch in any direc-
tion.
Synchronizing
The tilt/sliding sunroof must be synchro-
nized

after the tilt/sliding sunroof has been
closed manually

if the tilt/sliding sunroof can only be
opened with a jerking motion

after a malfunction
Switch on the ignition (page 82).
Press and hold the sunroof switch in
the direction of arrow1 until the
tilt/sliding sunroof is fully raised at the
rear.
Keep holding the sunroof switch in the
direction of arrow1 for approximately
1 second.
Check the Express-operation feature
(
page 275).
If the tilt/sliding sunroof opens com-
pletely, the sunroof is synchronized.
Otherwise repeat the above steps.
iIf the movement of the tilt/sliding sunroof is
blocked during the closing procedure, the sun-
roof will stop and reopen slightly.
!Do not open the tilt/sliding sunroof com-
pletely if it is not aligned. Otherwise you could
damage the tilt/sliding sunroof.

276 Controls in detail
Panorama roof with power tilt/sliding panel*
Roller sunblinds
The roller sunblinds are designed to pro-
tect you from excessive sunlight streaming
in through the panorama roof with power
tilt/sliding panel.
The front roller sunblind only operates with
the tilt/sliding panel closed. The front and
rear roller sunblind cannot be operated in-
dividually.
Switch on the ignition.Operating roller sunblinds
Roof panel switch
1Extend front roller sunblinds
2Extend front roller sunblinds
3Retract front roller sunblinds
Extending or retracting: Move the
roof panel switch to the resistance
point in the required direction of
arrow1, 2 or3 until the roller sun-
blinds have reached their desired posi-
tion.
Express-extending: Move the roof
panel switch past the resistance point
in direction of arrow1 or 2 and re-
lease.
The roller sunblinds extends
completely.
Stopping during Express-extending:
Move the roof panel switch in any di-
rection.
Warning!G
When extending/retracting the roller sun-
blinds, make sure no one is in danger of be-
ing injured by the closing procedure. The
extending/retracting of the roller sunblinds
can be immediately halted by releasing the
switch or, if the switch was pressed past the
resistance point and released, by pressing
the switch in any direction.

277 Controls in detail
Panorama roof with power tilt/sliding panel*
Opening and closing panorama roof
with power tilt/sliding panel
The tilt/sliding panel only operates with
the roller sunblinds extended.
Warning!G
When opening or closing the tilt/sliding pan-
el, make sure there is no danger of anyone
being harmed by the opening or closing pro-
cedure.
The opening procedure of the tilt/sliding
panel can be immediately halted by releas-
ing the switch or, if the switch was moved
past the resistance point and released, by
moving the switch in any direction.
The closing procedure of the tilt/sliding
panel can be immediately halted by releas-
ing the switch.
The panorama roof with power tilt/sliding
panel is made out of glass. In the event of an
accident, the glass may shatter. This may re-
sult in an opening in the roof.
In a vehicle rollover, occupants not wearing
their seat belts or not wearing them properly
may be thrown out of the opening.
Such an opening also presents a potential
for injury for occupants wearing their seat
belts properly as entire body parts or por-
tions of them may protrude from the pas-
senger compartment.
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children
unattended in the vehicle, or with access to
an unlocked vehicle. A child’s unsupervised
access to a vehicle could result in an acci-
dent and/or serious personal injury.
!To avoid damaging the seals, do not trans-
port any objects with sharp edges which can
stick out of the tilt/sliding panel.
Do not open the tilt/sliding panel if there is snow
or ice on the roof, as this could result in malfunc-
tions.
!Please keep in mind that weather conditions
can sometimes change rapidly. Make sure to
close the tilt/sliding panel when leaving the ve-
hicle. If water enters the vehicle interior, vehicle
electronics could be damaged which is not cov-
ered by the Mercedes-Benz Limited Warranty.
iWhen the panorama roof with power
tilt/sliding panel is open, resonance noises may
result in addition to the usual wind noises. They
are caused by minimal pressure changes in the
passenger compartment. To reduce or eliminate
these noises, change the position of the panora-
ma roof with power tilt/sliding panel or open a
side window slightly.
iYou can also open or close the tilt/sliding
panel using the SmartKey, see “Summer open-
ing feature” (
page 123) and “Convenience
closing feature” (
page 124).


278 Controls in detail
Panorama roof with power tilt/sliding panel*
Roof panel switch
1Push up to raise at the rear
2Push back to open
3Pull down to close
Switch on the ignition.
To open, close, raise, or lower the
tilt/sliding panel, move the roof panel
switch to resistance point in the re-
quired direction of arrows1 to3.
Release the roof panel switch when the
tilt/sliding panel has reached the de-
sired position.
Express-opening: Move the roof panel
switch past the resistance point in di-
rection of arrow1 and release.
The tilt/sliding panel opens
completely.
Express-raising: Move the roof panel
switch past the resistance point in di-
rection of arrow3 and release.
The tilt/sliding panel raises
completely.
Stopping during Express-operation:
Move the roof panel switch in any di-
rection.
Synchronizing
The tilt/sliding panel and front roller sun-
blinds must be synchronized

after the tilt/sliding panel has been
closed manually

after a malfunction

if the panorama roof with power
tilt/sliding panel can only be opened
with a jerking motion
iIf the front roller sunblind is retracted while
being raised, it will extend first.
iYou cannot automatically close and lower
the panorama roof with power tilt/sliding panel.


279 Controls in detail
Panorama roof with power tilt/sliding panel*
Tilt/sliding panel and roller sunblind
Switch on the ignition.
1Push up to raise at the rear
2Push back to open
3Pull down to close
Move and hold the roof panel switch in
direction of arrow3 until the roller
sunblinds are fully retracted.
Keep holding the roof panel switch in
direction of arrow3 for approximately
1 second.
Move and hold the roof panel switch in
direction of arrow2 until the roller
sunblinds are fully extended.
Move and hold the roof panel switch in
direction of arrow2 until the tilt/slid-
ing panel is opened approximately
4 inch (10 cm).
Move and hold the roof panel switch in
direction of arrow3 until the tilt/slid-
ing panel is fully closed.
Keep holding the roof panel switch in
direction of arrow3 for approximately
1 second.
Check the Express-open feature of the
tilt/sliding panel (
page 278).
If the tilt/sliding panel opens com-
pletely, the roof is synchronized. Other-
wise repeat the above steps.