2007 MERCEDES-BENZ C350 switches

115 Controls in detail
Lighting
Driving in reverse
Switching on corner-illuminating front
fog lamps
Place the gear selector lever (manual
transmission: gearshift lever) in
positionR.
The corner-illuminating front fog lamp
opposite to your steering direction
comes on.
Switching off corner-illuminating front
fog lamps
Place the gear selector lever (manual
transmission: gearshift lever) out of
positionR.
The respective front fog lamp goes out.
Hazard warning flasher
The hazard warning flasher can be
switched on at all times, even with the
SmartKey removed from the starter
switch.
The hazard warning flasher switches on
automatically when an air bag deploys.
The hazard warning flasher switch is
located on the center console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press hazard warning flasher
switch1.
All turn signal lamps are flashing.
Switching off hazard warning flasher
Press hazard warning flasher switch1
again.
iWith the hazard warning flasher activated
and the combination switch set for either left or
right turn, only the respective left or right turn
signals will operate when the ignition is switched
on (
page 32).
iIf the hazard warning flasher has been
activated automatically, press hazard warning
flasher switch1 once to switch it off.

116 Controls in detail
Lighting
Interior lighting
The controls are located in the overhead
control panel.
1Rear interior lighting on/off
2Right front reading lamp on/off
3Rocker switch for automatic control
system
4Left front reading lamp on/offDeactivating automatic control
Press the= symbol on rocker
switch3.
The interior lighting remains switched
off in darkness, even when you

unlock the vehicle

remove the SmartKey from the
starter switch

open a door

open the trunkActivating automatic control
Press rocker switch3 to center
position.
The interior lighting switch on in
darkness, when you

unlock the vehicle

remove the SmartKey from the
starter switch

open a door

open the trunk
The interior lighting switches off after ap-
proximately 10 seconds, see “Setting inte-
rior lighting delayed shut-off”
(
page 142).
!An interior lamp switched on manually does
not go out automatically.
Leaving an interior lamp switch in the ON posi-
tion for extended periods of time with the engine
turned off could result in a discharged battery.
iThe interior lighting is factory-set to auto-
matic mode.
iIf a door remains open, the interior lighting
switches off automatically after approximately
5minutes.

117 Controls in detail
Lighting
Manual control
Switching front interior lighting on and
off
Press the W symbol on rocker
switch3.
The front interior lighting comes on.
Press rocker switch3 to center
position to activate the automatic
control.
Switching rear interior lighting on and
off
Press button V.
The lighting in the rear passenger
compartment comes on.
Press button V again.
The lighting in the rear passenger
compartment goes out.Switching front reading lamps on and off
Press the left or right button X to
switch on the desired front reading
lamp.
Press the left or right button X
again to switch off the respective front
reading lamp.
Door entry lamps
For better orientation in the dark, the cor-
responding door entry lamps will switch on
in darkness when you open a door and the
automatic control is activated.
The door entry lamps will switch off when
the corresponding door is closed.
Trunk lamp
The trunk lamp switches on if the trunk is
opened.
If the trunk lid remains open, the trunk
lamp switches off automatically after
approximately 10 minutes.
iIf you turn the SmartKey in the starter
switch to position0 and switch off the exterior
headlamps, the door entry lamps will remain lit
for approximately 5 minutes.

140 Controls in detail
Control system
Press buttonæ orç to select
manual operation (
Manual) or daytime
running lamp mode (
Constant).
With daytime running lamp mode activated
and the exterior lamp switch in
positionM orU, the low beam
headlamps are switched on when the
engine is running.
In low ambient light conditions the
following lamps will switch on additionally:

Parking lamps

Tail lamps

License plate lamps

Side marker lamps
For more information on the daytime
running lamp mode, see “Lighting”
(
page 109).Setting locator lighting
With the locator lighting feature activated
and the exterior lamp switch in
positionU, the following lamps will
switch on during darkness when the vehi-
cle is unlocked with the SmartKey:

Parking lamps

Tail lamps

License plate lamps

Side marker lamps

Front fog lamps
The locator lighting switches off when the
driver’s door is opened.If you do not open a door after unlocking
the vehicle with the SmartKey, the lamps
will switch off automatically after
approximately 40 seconds.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until the message
Surround lighting
appears in the multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the locator lighting function
On or Off.
iFor safety reasons, resetting the Lighting
submenu to factory settings (
page 131) while
driving will not deactivate the daytime running
lamp mode.
The following message appears in the
multifunction display:
Lighting - Cannot be completely reset
to factory settings while driving.


163 Controls in detail
Good visibility
Switch on the ignition (page 32).
Always raise or lower the sunshade fully
for its support against the window frame.
Raising or lowering the sunshade
Press switch1 briefly.
The sunshade is raised or lowered com-
pletely.
Stopping the raising or lowering
procedure
Press switch1 again.
The sunshade stops.
Rear window defroster
The rear window defroster uses a large
amount of power. To keep the battery
drain to a minimum, switch off the
defroster as soon as the rear window is
clear.
The defroster is automatically deactivated
after approximately 6 to 17 minutes of op-
eration depending on the outside tempera-
ture.
Switch on the ignition (page 32).Activating
Press buttonF or 1 in the
climate control panel (
page 165) or
automatic climate control panel*
(
page 175).
The indicator lamp on the button
comes on.
Deactivating
Press buttonF or 1 again.
The indicator lamp on the button goes
out.
!Make sure that the movement of the rear
window sunshade is not restricted by objects on
the rear window shelf. Otherwise, the sunshade
or the objects could be damaged.
Warning!G
Any accumulation of snow and ice should be
removed from the rear window before
driving. Visibility could otherwise be
impaired, endangering you and others.!If the rear window defroster switches off too
soon and the indicator lamp starts flashing, this
means that too many electrical consumers are
operating simultaneously and there is insuffi-
cient voltage in the battery. The system re-
sponds automatically by deactivating the rear
window defroster.
As soon as the battery has sufficient voltage, the
rear window defroster automatically turns itself
back on.

167 Controls in detail
Climate control
Deactivating the climate control
system
Deactivating
Set air volume control1 (page 165)
to position0.
Reactivating
Make sure the ignition is switched on.
Set air volume control1 (page 165)
to any speed.
The previous settings are once again in
effect.Operating the climate control system
in automatic mode
Activating
Press buttonU (page 165) while
the engine is running.
The indicator lamp on the button
comes on. The air volume and air distri-
bution are adjusted automatically.
Use temperature controls2 and3
(
page 165) to separately adjust the
air temperature on each side of the
passenger compartment.
The temperature of the vehicle interior
is adjusted automatically.
Deactivating
Press buttonU (page 165) again.
The indicator lamp on the button goes
out. The automatic operation of air vol-
ume and air distribution switches off.
Warning!G
When the climate control is switched off, the
outside air supply and circulation are also
switched off. Only choose this setting for a
short time. Otherwise the windows could
fog up, impairing visibility and endangering
you and others.
iWhen operating the climate control system
in automatic mode, you will only rarely need to
adjust the temperature, air volume and air distri-
bution.
In automatic mode, the dehumidify function is
switched on when the system is cooling. If nec-
essary, this function can be switched off by
pushing the2 button.

169 Controls in detail
Climate control
Press buttonU (page 165).
The indicator lamp on the button goes
out. The automatic air distribution is
switched off. The air distribution is
controlled according to the selected
control setting.
Turn air distribution control 4
(
page 165) to the desired symbol.
Opening center and side air vents
Turn thumbwheels 3, 4, 7 and 8
(
page 164) upward.
The center air vents 5 and 6 and side
air vents 2 and 9 are open.
Closing center and side air vents
Turn thumbwheels 3, 4, 7 and 8
(
page 164) downward.
The center air vents 5 and 6 and side
air vents 2 and 9 are closed.
Adjusting air volume
Six blower speeds are available.
Press buttonU (page 165).
The indicator lamp in the button goes
out. The automatic air volume control
is switched off. The air volume is
adjusted according to the currently
selected setting.
Use the air volume control1
(
page 165) to adjust the air volume.
Front defroster
You can use this setting to defrost the
windshield, for example if it is iced up.
You can also defog the windshield and the
side windows.
Activating
Press buttonP or0
(
page 165).
The indicator lamp on the button
comes on.
The air conditioning switches
automatically to the following functions:

maximum blowing and heating
power

air flows onto the windshield and
the front side windows

the air recirculation mode is
switched off
iKeep this setting selected only until the
windshield or the side windows are clear again.

172 Controls in detail
Climate control
Air conditioning
The cooling function, only operational
when the engine is running, cools the vehi-
cle interior down to the selected tempera-
ture. The cooling function also
dehumidifies the air in the vehicle interior,
thus preventing the windows from fogging
up.Deactivating
It is possible to deactivate the air condi-
tioning (cooling) function of the climate
control system. The air in the vehicle will
then no longer be cooled or dehumidified.
Press button2 (page 165).
The indicator lamp on the button goes
out.
The cooling function switches off after
a short delay.Activating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
Press button2 (page 165).
The indicator lamp on the button
comes on.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.
iA side window or tilt/sliding sunroof* will
only return to its previous position if it has not
been moved to another position using the re-
spective side window switch or tilt/sliding sun-
roof* switch after it was closed with
button,. A side window or tilt/sliding sun-
roof* that was moved will remain in its current
position if button, is used to re-open the re-
maining side windows or tilt/sliding sunroof*.
iCondensation may drip out from underneath
the vehicle. This is normal and not an indication
of a malfunction.
Warning!G
If you turn off the cooling function, the
vehicle will not be cooled when weather
conditions are warm. The windows can fog
up more quickly. Window fogging may
impair visibility and endanger you and
others.
!If the air conditioning cannot be turned on
again, this indicates that the air conditioning is
losing refrigerant. The compressor has turned it-
self off.
Have the air conditioning checked at the nearest
authorized Mercedes-Benz Center.