2008 MERCEDES-BENZ C300 C S button

116 Controls in detail
Lighting
Interior lighting in the rear
1Right rear reading lamp on/off
2Left rear reading lamp on/off
3Left reading lamp
4Rear interior lamp
5Right reading lamp
Switching on/off rear reading
lamps: Press button 1 or 2.
The respective left or right rear reading
lamp comes on.
Switch the rear interior lamp on/off with
the button in the overhead control panel.
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 switch off when the
corresponding door is closed.Trunk lamp
The trunk lamp switches on if the trunk is
opened.
If the trunk remains open, the trunk light-
ing switches off automatically after ap-
proximately 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.

117 Controls in detail
Windshield wipers
Windshield wipers
Combination switch
1Switching on windshield wipers
2Single wipe
Wiping with windshield washer fluid
Switch on the ignition.
!If the windshield wipers leave smears on the
windshield after the car has been driven through
an automatic car wash, then wax or other resi-
due is on the windshield. Shortly after washing
the car in an automatic car wash, clean the wind-
shield with windshield washer fluid.
!Do not operate the windshield wipers when
the windshield is dry. Dust that accumulates on
a windshield might scratch the glass and/or
damage the wiper blades when wiping occurs on
a dry windshield. If it is necessary to operate the
windshield wipers in dry weather conditions, al-
ways operate the windshield wipers with wind-
shield washer fluid.
!If anything blocks the windshield wipers
(leaves, snow, etc.), switch them off immediate-
ly.

For safety reasons, stop the vehicle in a safe
location and,

remove the SmartKey from starter
switch
or

turn off the engine by pressing the
KEYLESS-GO* start/stop button and
open the driver’s door (with the driver’s
door open, starter switch is in
position0, same as with SmartKey re-
moved from starter switch)

engage the parking brake
before attempting to remove any blockage.

Remove blockage.

Turn the windshield wipers on again.
If the windshield wipers fail to function at all in
combination switch position U or V,

set the combination switch to the next
higher wiper speed

have the windshield wipers checked at the
nearest authorized Mercedes-Benz Center

121 Controls in detail
Power windows
Switch on the ignition (page 82).
Opening: Press the desired switch1
to 4 (
page 120) to the resistance
point.
The corresponding window will move
down until you release the switch.
Closing: Pull the desired switch1 to
4 (
page 120) to the resistance
point.
The corresponding window will move
up until you release the switch.
If the window encounters an obstruction
that blocks its path in a circumstance where
you are closing the window by pressing and
holding the switch, by pressing and holding
button ‹ on the SmartKey or SmartKey
with KEYLESS-GO*, by pressing and holding
the sensor surface (vehicles with
KEYLESS-GO*) on an outside door handle,
or by pressing and holding button, on
the climate control panel (Canada only), the
automatic reversal function will not operate.
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.iYou can also open or close the windows us-
ing the SmartKey, see “Summer opening fea-
ture” (
page 123) and “Convenience closing
feature” (
page 124).
iOperating the windows from the rear is not
possible if you activate the override switch
(
page 57).
iWith the SmartKey in starter switch
position0 or removed from the starter switch,
the power windows can be operated:

until you open the driver’s or front passenger
door

for approximately 5 minutes if no door was
openedWarning!G
If you press and hold the switch up when
closing the window, and upward movement
of the window is blocked by some obstruc-
tion including but not limited to arms, hands,
fingers, etc., the automatic reversal will not
operate.


123 Controls in detail
Power windows
Summer opening feature
If the weather is warm, you can ventilate
the vehicle before driving off by simulta-
neously:

opening the side windows

opening the tilt/sliding sunroof or pan-
orama roof with power tilt/sliding pan-
el* and roller sunblinds
Aim transmitter eye of the SmartKey
towards the sensor in the driver’s out-
side door handle. The SmartKey must
be in close proximity to the driver’s
door handle.
Press button Πto unlock the
vehicle.
Vehicles with tilt/sliding sunroof
Press and hold button Πuntil the
side windows and tilt/sliding sunroof
have reached the desired position.
Release button Πto interrupt pro-
cedure.Vehicles with panorama roof*
If roller sunblinds are retracted:
Press and hold button Œ. The side
windows and roller sunblinds begin to
open/extend after approximately
1 second.
With the side windows and roller blinds
fully opened/extended, press and hold
button
Πagain. The tilt/sliding pan-
el tilts and opens.
If roller sunblinds are extended:
Press and hold button Œ. The side
windows move down and the tilt/slid-
ing panel tilts and opens after approxi-
mately 1 second.
Release button Πto interrupt proce-
dure.
iThe “Summer opening” function can only be
activated via the remote control of the SmartKey
or SmartKey with KEYLESS-GO*.

124 Controls in detail
Power windows
Convenience closing feature
When you lock the vehicle, you can close
the side windows and tilt/sliding sunroof
or panorama roof with tilt/sliding panel*
simultaneously.
Afterward, you can close the roller sun-
blinds* of the panorama tilt/sliding sun-
roof*.Vehicles with SmartKey
Aim transmitter eye of the SmartKey
towards the sensor in the driver’s out-
side door handle. The SmartKey must
be in close proximity to the driver’s
door handle.
Press button ‹ to lock the vehicle.
Vehicles with tilt/sliding sunroof
Press and hold button ‹ until the
side windows and the tilt/sliding sun-
roof are completely closed.
Release button ‹ to interrupt pro-
cedure.
iThe function of the SmartKey overrules the
KEYLESS-GO function.
Warning!G
When closing the windows and the tilt/slid-
ing sunroof or panorama roof with tilt/slid-
ing panel*, make sure there is no danger of
anyone being harmed by the closing proce-
dure.
If potential danger exists, proceed as fol-
lows:

Release button ‹ to stop the closing
procedure. To open, press and hold but-
ton Œ. To continue the closing after
making sure that there is no danger of
anyone being harmed by the closing pro-
cedure, press and hold button‹.
Vehicles with KEYLESS-GO* (Canada only):

Release the sensor surface on the out-
side door handle (
page 125) to stop
the closing procedure.

Immediately pull on the same outside
door handle and hold firmly. The side
windows and the tilt/sliding sunroof or
panorama roof with tilt/sliding panel*
will open for as long as the outside door
handle is held but the door is not
opened.

125 Controls in detail
Power windows
Vehicles with panorama roof*
Press and hold button ‹ until the
side windows and the tilt/sliding panel
are completely closed.
Press and hold button ‹ again.
The roller sunblinds close.
Release button ‹ to interrupt pro-
cedure.
Vehicles with KEYLESS-GO*
(Canada only)
1Sensor surface on door handleThe SmartKey with KEYLESS-GO must be
located outside the vehicle within approxi-
mately 3 ft (1 m) of a door.
Close all doors.
Vehicles with tilt/sliding sunroof
Touch and hold sensor surface1 until
the windows and the tilt/sliding sun-
roof are completely closed.
Release sensor surface1 to interrupt
procedure.Vehicles with panorama roof*
Touch and hold sensor surface1 until
the side windows and the tilt/sliding
panel are completely closed.
Touch and hold sensor surface1
again.
The roller sunblinds close.
Release sensor surface1 to interrupt
procedure.iMake sure you are only touching the sensor
surface.
iMake sure you are only touching the sensor
surface.

128 Controls in detail
Driving and parking
KEYLESS-GO* (Canada only)
You can start your vehicle without the
SmartKey in the starter switch using the
KEYLESS-GO start/stop button on the
starter switch.
The SmartKey with KEYLESS-GO must be
located in the vehicle.1KEYLESS-GO* start/stop button
(Canada only)
Starting: Make sure KEYLESS-GO
start/stop button is inserted in the
starter switch (
page 83).
Make sure the gear selector lever is set
toP.
Depress the brake pedal during the
starting procedure.
Do not depress the accelerator.
Press KEYLESS-GO start/stop button
once.
The engine starts if the SmartKey with
KEYLESS-GO is in the vehicle.For information on turning off the engine
with KEYLESS-GO, see “Turning off the en-
gine” (
page 134).
Warning!G
As long as the SmartKey with KEYLESS-GO
is in your vehicle, the vehicle can be started.
Therefore, never leave children unattended
in the vehicle, as they could otherwise acci-
dentally start the engine.
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO 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.
iYou can also start the engine with the auto-
matic transmission set to N.
iIf you wish to start the vehicle with the
SmartKey instead of the KEYLESS-GO feature,
remove the KEYLESS-GO start/stop button from
the starter switch and proceed as described in
“Starting with the SmartKey” (
page 127).

129 Controls in detail
Driving and parking
Starting difficulties
The engine does not start. You can hear
the starter.
There could be a malfunction

in the engine electronics, or

in the fuel supply system
Carry out the following steps:
If you are starting the engine with the
SmartKey: Turn SmartKey in starter
switch to position0 and repeat starting
procedure (
page 126).
If you are starting the engine with
KEYLESS-GO*: Close any doors that
may be open to allow for better detec-
tion of the SmartKey with
KEYLESS-GO*.
or
Remove the KEYLESS-GO* start/stop
button from starter switch.
Start the engine with the SmartKey as
radio signals from another source may
be interfering with the SmartKey with
KEYLESS-GO*.
Repeat the starting procedure
(
page 126).
If the engine does not start after several
starting attempts:
Call Roadside Assistance.
Notify an authorized Mercedes-Benz
Center.
The engine does not start. You cannot
hear the starter.
The battery may not be sufficiently
charged.
Get a jump start (page 451).
If the engine will not start despite a jump
start:
Call Roadside Assistance.
Notify an authorized Mercedes-Benz
Center.
Driving off
!Remember that extended starting attempts
can drain the battery.
Warning!G
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. Children
could release the parking brake, which
could result in an accident and/or serious
personal injury.
Warning!G
On slippery road surfaces, never downshift
in order to obtain braking action. This could
result in drive wheel slip and reduced vehi-
cle control. Your vehicle’s ABS will not pre-
vent this type of loss of control.