2010 MERCEDES-BENZ C350S cooling

Locking/unlocking from inside ........75
SmartKey ......................................... 70
Central locking/unlocking switch ..... 75
Certification label .............................. 332
Children in the vehicle
Air bags ........................................... 37
BabySmart™ air bag deactivation
system ............................................. 46
Child safety locks (rear doors) .........59
Child seat anchors – LATCH-type
(ISOFIX) ........................................... 58
Indicator lamp, front passenger
front air bag off (Canada only) .........46
Indicator lamp, front passenger
front air bag off (USA only) ..............42
Infant and child restraint systems .... 55
ISOFIX (Child seat anchors –
LATCH-type) ..................................... 58
OCS (Occupant Classification
System) ........................................... 42
Override switch ................................ 59
Safety notes ..................................... 54
Tether anchorage points ..................57
Top tether ........................................ 57
Child safety
see Children in the vehicle
Child seat anchors – LATCH-type
(ISOFIX) see Children in the vehicle
Chrome-plated exhaust tip,
cleaning .............................................. 266
Cigarette lighter ................................ 209
Clear button ....................................... 142
Climate control system
Air conditioning ............................. 191
Air conditioning refrigerant ............354
Air distribution ............................... 194
Air recirculation mode ...................195
Air volume ..................................... 194
Automatic mode ............................ 192
Deactivating system ......................191
Front defroster .............................. 194
Maximum cooling MAX COOL ........195
Temperature .................................. 192
Clock ............................................ 29, 132
Cockpit ................................................. 27
Cold tire inflation pressure .............. 250
Collapsible wheel chock ................... 269COMAND system
see separate COMAND system
operating instructions
Combination gauge ............................. 28
Combination switch ............................ 93
Compass ............................................ 210
Control system .................................. 118
Multifunction display .....................120
Multifunction steering wheel .........118
Resetting to factory settings ..........130
Control system menus ...................... 121
AMG ............................................... 123
Audio ............................................. 126
Navi ............................................... 126
Service ........................................... 129
Settings ......................................... 130
Telephone ...................................... 128
Trip ................................................ 121
Control system submenus
Convenience .................................. 135
Instrument cluster .........................131
Lighting .......................................... 133
Time/Date ..................................... 132
Vehicle ........................................... 135
Convenience submenu
Easy-entry/exit feature .................. 136
Fold-in function for exterior rear
view mirrors ................................... 136
Coolant
Anticorrosion/antifreeze ...............357
Capacities ...................................... 351
Checking level ............................... 227
Messages in the multifunction
display ........................................... 288
Temperature gauge ........................ 117
Warning lamp ................................. 305
Coolant temperature gauge ............... 28
Corner-illuminating front fog
lamps .................................................... 94
Cruise control .................................... 180
Activating ....................................... 181
Canceling ....................................... 181
Changing the set speed .................182
Last stored speed ..........................183
Lever .............................................. 181
Messages in the multifunction
display ........................................... 2756Index204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 6

The automatic central locking function can
be switched off ( Y page 135).
Manual transmissionXDepress the brake pedal.XFully depress the clutch pedal.
! Only shift the manual transmission into
reverse gear R when the vehicle is stopped.
Otherwise the manual transmission could
be damaged.
XShift the manual transmission into 1st gear
or reverse gear R.XIf engaged, release the parking brake.XRelease the brake pedal.XSimultaneously slowly release the clutch
pedal and carefully depress the accelerator
pedal.
! Avoid driving at excessive engine speeds.
This may result in serious engine damage
that is not covered by the Mercedes-Benz
Limited Warranty.
Shift gear in a timely manner.
For more information on driving, see “Driving
instructions” ( Y page 254).
Automatic transmission
GWarning!
It is dangerous to shift the automatic
transmission out of park position P or neutral
position N if the engine speed is higher than
idle speed. If your foot is not firmly on the
brake pedal, the vehicle could accelerate
quickly forward or in reverse. You could lose
control of the vehicle and hit someone or
something. Only shift into gear when the
engine is idling normally and when your right
foot is firmly on the brake pedal.
! Only shift the automatic transmission into
reverse gear R or park position P when the
vehicle is stopped. Otherwise the
automatic transmission could be damaged.
XDepress the brake pedal.
The gear selector lever lock is released.XShift the automatic transmission into drive
position D or reverse gear R.
i
Shifting the automatic transmission out of
park position P is only possible with the
brake pedal depressed.
Only depressing the brake pedal releases
the gear selector lever lock.
XWait for the gear selection process to
complete before setting the vehicle in
motion.XIf engaged, release the parking brake.XRelease the brake pedal.XCarefully depress the accelerator pedal.
After a cold start, the automatic transmission
shifts at a higher engine speed. This allows
the catalytic converter to reach its operating
temperature earlier.
For more information on driving, see “Driving
instructions” ( Y page 254).
Problems while driving
The engine runs erratically and misfires
R An ignition cable may be damaged.
R The engine electronics may not be
operating properly.
R Unburned gasoline may have entered the
catalytic converter and damaged it.
XGive very little gas.XHave the problem checked at an authorized
Mercedes-Benz Center as soon as possible.
The coolant temperature is above
248‡ (120†)
The coolant is too hot and is no longer cooling
the engine.
XStop the vehicle in a safe location as soon
as possible.XTurn off the engine immediately.104Driving and parkingControls in detail
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the frequency range. Frequencies within
the current frequency range, but outside
the current frequency step width are
rounded to the next lower allowed
frequency.
XEnter 1045 with the keypad on the audio
control unit.
The audio system tunes in to the frequency
entered.
Operation
In the following description, an operation step
is described as in the example below.
X$ Q Radio Q Enter Frequency
is the short for
XPress button $ on audio control unit
repeatedly until desired wave band has
been selected.
XSlide VÆ.XSlide XV or rotate cVd the audio
controller to select Radio.
XPress the audio controller W.
The Radio menu is selected and a list of
submenus appears.
XSlide ZV or rotate cVd the audio
controller to select Enter Frequency.
XPress the audio controller W.
The Enter Frequency submenu appears
in the audio display.
Switching audio system on or off
XSwitching on: Press push button q.
or
XOpen the audio display cover.
or
XIf the audio system was on as you switched
off the ignition, turn the SmartKey in the
starter switch to position 1.
The audio system will come back on with
the last selected function.
iIf the audio system is switched on without
the SmartKey in the starter switch, it will
automatically switch off again after
approximately 30 minutes.
XSwitching off: Press push button q.
or
XTurn the SmartKey in the starter switch to
position 0 and remove SmartKey from
starter switch.
iShould excessively high temperatures
occur while the audio system is being
operated, Temperature Too High -
Device switching off now. will appear
in the audio display, after which the audio
system will be switched off for a cooling-
down period.
iWhen you switch off the audio system,
you also switch off the currently playing
audio source. Also, telephone operation via
the audio control unit is not possible.
Adjusting volume
144Audio systemControls in detail
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FunctionRecommendation/Notes=Ù on/off (USA
only)( Y page 195)º Adopting
driver’s side settings
for all zones (Canada
only)( Y page 196)?AC cooling on/offi
Switch on/off the air conditioning.(Y page 191)AFront defrosteri
Keep this setting selected only until the
windshield or the side windows are clear
again.( Y page 194)BTemperature
control, passenger
sidei Set the temperature to 72‡ (22†).(Y page 192)CAir recirculationi
Only use this function for a short time,
e.g. in a tunnel. Otherwise, the windows
can fog up due to lack of fresh air.( Y page 195)DRear window
defroster( Y page 196)EIncreasing air
volume( Y page 194)FDecreasing air
volume( Y page 194)GDisplayHAir distribution(Y page 194)IAir distribution and
air volume
(automatic mode)i Switch on the automatic mode. The
indicator lamp in button à comes on.(Y page 192)Notes on climate control system
The climate control system is operational
whenever the engine is running. You can
operate the climate control system in either
the automatic or manual mode. The system
cools or heats the interior depending on the
selected interior temperature.It can only function optimally when you are
driving with the windows, the tilt/sliding
sunroof or tilt/sliding panel closed.
Nearly all dust particles, pollutants and odors
are filtered out before outside air enters the
passenger compartment through the air
distribution system.190Climate control systemControls in detail
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GWarning!
Severe conditions (e.g. strong air pollution)
may require replacement of the filter before
its scheduled replacement interval. A clogged
filter will reduce the air volume to the interior
and the windows could fog up, impairing
visibility and endangering you and others.
Have a clogged filter replaced as soon as
possible at an authorized Mercedes-Benz
Center.
The air conditioning will not engage (no
cooling) if the A/C mode ( Y page 191) is
deactivated.
GWarning!
Follow the recommended settings for heating
and cooling given on the following pages.
Otherwise the windows could fog up,
impairing visibility and endangering you and
others.
XKeep the air intake grille in front of the
windshield free of snow and debris.
Do not obstruct air flow by placing objects on
the air flow-through exhaust slots below the
rear window.
i If the vehicle interior is hot, ventilate the
interior before driving off, see “Summer
opening feature” ( Y page 99). The climate
control will then adjust the interior
temperature to the set value much faster.
Deactivating the climate control
system
GWarning!
When the climate control system is
deactivated, the outside air supply and
circulation are also deactivated. Only choose
this setting for a short time. Otherwise the
windows could fog up, impairing visibility and
endangering you and others.
XDeactivating: Press button ^.
The indicator lamp in the button comes on.XReactivating: Press button ^.
The indicator lamp in the button goes out.
The previous settings are once again in
effect.
or
XPress button Ã.
The indicator lamp in the button comes on.
Air volume and air distribution are adjusted
automatically.
Air conditioning
The air conditioning is operational while the
engine is running and cools the interior air to
the temperature set by the operator. In
addition, the air conditioning dehumidifies
the interior air and helps prevent window
fogging.
GWarning!
If you deactivate the air conditioning, 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.
i Condensated water may drip out from
underneath the vehicle. This is normal and
not an indication of a malfunction.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs which
are harmful to the ozone layer.
Deactivating
It is possible to deactivate the air
conditioning. The interior air will then no
longer be cooled or dehumidified.
XPress button ¿.
The indicator lamp in the button goes out.
The cooling function switches off after a
short delay.Climate control system191Controls in detail204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 191Z

Activating
Moist air can fog up the windows. You can
dehumidify the interior air with the air
conditioning.
XPress button ¿.
The indicator lamp in the button comes on.
i The evaporator will be vented when the
air conditioning has been in use.
Approximately 1 hour after locking the
vehicle, the blower switches on
automatically. The blower will run for
30 minutes at its lowest level. The blower
noise is normal and not an indication of a
malfunction. When you unlock the vehicle
in the meantime, venting will be
interrupted. If the vehicle battery is low,
automatic evaporator venting will not occur
in order to preserve the battery.
Automatic mode
When operating the climate control system in
automatic mode, the interior air temperature,
air volume and air distribution are adjusted
automatically.
In automatic mode, cooling with
dehumidification is switched on. This function
can be switched off if necessary.
GWarning!
If you deactivate the air conditioning, 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.
XSet the desired temperature
( Y page 192).XActivating: Press button Ã.
The indicator lamp in the button comes on.
The air volume and air distribution are
adjusted automatically.XDeactivating: Press button I, K or
_ .
The indicator lamp in button à goes out.
The automatic operation of air volume and
air distribution switches off. The symbols of
air distribution or air volume appear in
display G (Y page 189).XAdjust air distribution ( Y page 194).XAdjust air volume ( Y page 194).
Setting temperature
You can adjust the air temperature on each
side of the passenger compartment. You
should raise or lower the temperature setting
in small increments, preferably starting at
72‡ (22†).
You can adjust the air temperature on each
side of the passenger compartment. You
should raise or lower the temperature setting
in small increments, preferably starting at
72‡ (22†).
XIncreasing/decreasing: Turn
temperature controls : and B
( Y page 189) slightly clockwise or
counterclockwise.
Adjusting air vents
GWarning!
When operating the climate control, the air
that enters the passenger compartment
through the air vents can be very hot or very
cold (depending on the set temperature). This
may cause burns or frostbite to unprotected
skin in the immediate area of the air vents.
Always keep sufficient distance between
unprotected parts of the body and the air
vents. If necessary, use the air distribution
adjustment to direct the air to air vents in the
vehicle interior that are not in the immediate
area of unprotected skin.
192Climate control systemControls in detail
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For best possible performance of the climate
control:
XKeep the air intake grille in front of the
windshield free of snow, leaves, sticks, and
any other debris.
XAlways keep all air vents and grilles in the
passenger compartment free from
obstruction.
iFor draft-free ventilation, move the
adjustable center and side air vents to the
middle position.
Center air vents
:Left center air vent, adjustable;Right center air vent, adjustable=Thumbwheel for air volume control for
adjustable right center air vent
?Thumbwheel for air volume control for
adjustable left center air vent
XOpening/closing: Turn thumbwheels =
and ? upward or downward.
Side air vents
Example illustration driver’s side
:Left side defroster air vent, fixed;Left side air vent, adjustable=Thumbwheel for air volume control for
adjustable left side air vent
XOpening/closing: Turn thumbwheel =
upward or downward.
Ventilated glove box
The glove box can be ventilated, for instance
to cool its contents, when the climate control
system is activated. The level of airflow to the
glove box depends on the airflow and air
distribution settings. The temperature of the
air is approximately the same as that of the
air flowing from the center air vents.
! Close the glove box air vent when heating
the vehicle interior. Activate the air
conditioning (cooling function) when the
outside temperature is high. Otherwise,
temperature-sensitive items stored in the
glove box could be damaged.
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iKeep this setting selected only until the
windshield or the front door windows are
clear again.XActivating: Press button ¬.
The indicator lamp in the button comes on.
The climate control switches to the following
functions automatically:
R cooling on to dehumidify
R most efficient blower speed and heating
power, depending on outside temperature
R air flows onto the windshield and the front
door windows
R the air recirculation mode is switched off
i You can adjust the air volume when the
front defroster is switched on.
XDeactivating: Press button ¬ again.
The indicator lamp in the button goes out.
The previous settings are once again in
effect. The cooling remains switched on.
The air recirculation remains switched off.
or
XPress button Ã.
The indicator lamp in button ¬ goes out.
Air volume and air distribution are adjusted
automatically.
i To deactivate defrosting, you can also
press button ^ or turn temperature
controls.
Windshield fogged on the outside
XSwitch the windshield wipers on
( Y page 96).
If the automatic mode of the climate control
is switched off:
XPress button _ repeatedly until one of
the following symbols appears in display
G (Y page 189) P or O .
Maximum cooling MAX COOL
MAX COOL is only available in U.S. vehicles.
MAX COOL is only operational when the
engine is running.
You can use this setting to provide the fastest
possible cooling of the vehicle interior (when
windows and tilt/sliding sunroof or tilt/
sliding panel are closed).XActivating: Press button Ù.
The indicator lamp in the button comes on.
The climate control switches automatically to
the following functions:
R maximum cooling
R maximum blowing power
R the air recirculation mode is switched on
XDeactivating: Press button Ù again.
The indicator lamp in the button goes out.
The previous settings are once again in
effect.
i To switch the maximum cooling function
off, you can also press button ^, Ã
or ¬ .
Air recirculation mode
Switch to air recirculation mode to prevent
unpleasant odors from entering the vehicle
from the outside (e. g. before driving through
a tunnel). This setting cuts off the intake of
outside air and recirculates the air in the
passenger compartment.
GWarning!
Fogged windows impair visibility,
endangering you and others. If the windows
begin to fog on the inside, switching off the
air recirculation mode immediately should
clear interior window fogging. If interior
window fogging persists, make sure the air
conditioning is activated, or press button
¬ .
XActivating: Press button g.
The indicator lamp in the button comes on.Climate control system195Controls in detail204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 195Z