2008 MERCEDES-BENZ C300 climate settings

261 Controls in detail
3-zone automatic climate control* (Canada only)
Deactivating climate control system
Deactivating: Press button´
(
page 259).
The indicator lamp in the button comes
on.
Reactivating: Make sure the ignition is
switched on.
Press button´ (page 259) again.
The indicator lamp in the button goes
out.The previous settings are once
again in effect.
or,
Press buttonU (page 259) while
the engine is running.
The indicator lamp in the button comes
on. The air volume and air distribution
are adjusted automatically.Operating climate control system in
automatic mode
Activating: Press buttonU
(
page 259) while the engine is run-
ning.
The indicator lamp in the button comes
on. The air volume and air distribution
are adjusted automatically.
Use temperature controls1 and8
(
page 259) to separately adjust the
air temperature on each side of the
passenger compartment.
The temperature of the vehicle interior
is adjusted automatically.
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, cooling with dehumidify is
switched on. This function can be switched off if
necessary.

263 Controls in detail
3-zone automatic climate control* (Canada only)
Adjusting air distribution
Use righta and/or lefte buttonZ
(
page 259) to adjust the air distribution
manually for each side of the passenger
compartment. The following symbols are
shown in displayd:
Press buttonsZ (page 259) re-
peatedly until you have select the de-
sired setting and the corresponding
symbol is shown in displayd.The indicator lamp in buttonU goes
out. The automatic air distribution is
switched off. The air distribution is
controlled according to the selected
control setting.
Adjusting air volume
Use buttonU (
page 259) for auto-
matic mode or button · (
page 259)
orQ (
page 259) to adjust air volume
manually.
Seven blower speeds are available for each
side of the passenger compartment.
Press button· to decrease, or
buttonQ to increase air volume to
the desired level.
The indicator lamp in buttonU
(
page 259) goes out.
The air volume is adjusted correspond-
ing to the set blower speed. The auto-
matic air distribution remains switched
on.Using driver-side settings for all tem-
perature zones
You can use the settings of the driver’s
side, such as temperature, air volume and
air distribution, for all temperature zones.
Press buttonz (page 259).
The indicator lamp in the button comes
on.
The driver-side settings are used for all
temperature zones.
SymbolFunction
{Directs air to the windshield
and the side defroster vents
aDirects air through the center,
side and rear passenger
compartment air vents
YDirects air to the footwells
iYou can also select a position between two
symbols with buttonZ.

264 Controls in detail
3-zone automatic climate control* (Canada only)
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 buttony
(
page 259).
The indicator lamp in the button comes
on.
The air conditioning switches
automatically to the following functions:

cooling on to dehumidify

most efficient blower speed and
heating power, depending on out-
side temperature

air flows onto the windshield and
the front side windows

the air recirculation mode is
switched off
Deactivating: Press buttony
(
page 259) again.
The indicator lamp in the button goes
out. Defrosting is turned off.
The previous settings are once again in
effect.Windshield fogged on the outsideSwitch the windshield wipers on
(
page 118).
If the automatic mode of the climate con-
trol is switched off:
Press righta and/or lefte air distri-
bution buttonZ (
page 259) re-
peatedly until one of the following
symbols appears in
displayd:aorY
(
page 259).
iKeep this setting selected only until the
windshield is clear again.
iYou can adjust the air distribution when the
front defroster is switched on.
iTo switch defrosting off, you can also press
button´, U,·,Q or temperature
controls1 and8 (
page 259).
iThe cooling remains switched on.
iKeep this setting selected only until the
windshield is clear again.

268 Controls in detail
3-zone automatic climate control* (Canada only)
Rear climate control
The rear climate control panel is located in
the rear center console.
Setting temperature
Use temperature control 5 to adjust the
air temperature in the rear passenger com-
partment. You should raise or lower the
temperature setting in small increments,
preferably starting at 22°C (72°F). The cli-
mate control will adjust to the set temper-
ature as fast as possible.Increasing/decreasing: Press the re-
spective temperature control
button5.
The 3-zone automatic climate control
system will correspondingly adjust the
temperature in the rear passenger
compartment.
Adjusting air volume
Use button· orQ (
page 268) to
adjust the air volume.
Press button· to decrease, or
buttonQ to increase air volume to
the desired level.
The air volume is adjusted correspond-
ing to the set blower speed.
Warning!G
Follow the recommended settings for heat-
ing and cooling as given in the instructions
for the front 3-zone automatic climate con-
trol (
page 259). Otherwise the windows
could fog up, impairing visibility for the driv-
er and endangering you and others.
Item
1Decreasing/increasing air volume
for rear center air vents
2Right rear center air vent, adjustable
3Decreasing/increasing air volume
for rear center air vents
4Display
5Temperature control
6Left rear center air vent, adjustable
iAt low outside temperatures or if you have
switched off the cooling function, you cannot
cool the rear passenger compartment.
iIf you have switched off the cooling function
with the front 3-zone automatic climate control
panel, the cooling of the rear passenger com-
partment is also switched off. Adjusting with the
rear control panel is not possible.

488 Index
Phone cook 233
Radio operation 194
Satellite radio* operation 200
Sound settings 189
Surround sound* (Canada only) 190
SYS menu 192
SYS menu, Bluetooth
® settings 192
SYS menu, display settings 192
SYS menu, language settings 193
SYS menu, reset to factory
settings 193
Telephone menu* 222
Volume 189
Auto-dimming*, Rear view mirrors 100
Automatic central locking 80
Activating/deactivating
(Control system) 173
Automatic climate control (3-zone) see Cli-
mate control system
Automatic headlamp mode 109, 172
Automatic lighting control, Interior
lighting 115
Automatic shift program 144Automatic transmission
Accelerator position 142
Emergency operation (limp-home
mode) 146
Fluid 476, 477
Fluid level 328
Gear ranges 143
Gear shifting malfunctions 146
Hill start assist system 246
Kickdown 142
Shifting procedure 139
Starting the engine 127
Transmission fluid 328
Automatic transmission*
Automatic shift program 144
Gear selector lever 138
Gear selector lever control one-touch
gearshifting 145
Gear selector lever positions 140
Program mode selector switch 144
Aux socket 220B
Backrest 281
Backup lamps
Replacing bulbs 430, 431
Bar 356
BAS 60
Batteries, SmartKey
Checking battery condition 78
Replacing 428
Batteries, SmartKey with KEYLESS-GO*
(Canada only)
Checking battery condition 78
Replacing 428
Battery 448
Battery, vehicle 446
Charging 449
Discharged, Jump starting 451
Disconnecting 448
Message in display 399
Reconnecting 450
Removing 449
Bead 356
Beverage holder see Cup holder

489 Index
Bluetooth®
Settings (Audio system) 192
Telephone* (Audio system) 222
Brake assist system (BAS) 60
Brake fluid 324, 478, 480
Brake lamp
High mounted 431
Replacing bulbs 431, 436
Brake pads
Message in display 399
Brake warning lamp 27
Brakes 312
Warning lamp 27, 376
Break-in period 310
Bulbs, replacing see Replacing bulbsC
California retail buyers and lessees,
important notice for 11
Can holder see Cup holder
Capacities and recommended
fuel/lubricants 476
Cargo area see Trunk
Carpets, Cleaning and care of 371
Catalytic converter 319
CD
CD changer* 208
CD player 160, 208
MP3 playback options 220
MP3, selecting a track 219
Playback options 220
Selecting a track 219
Submenu overview 208
CD changer* 208
CD player 160, 208
Centigrade see Temperature display
mode 167
Central locking
Automatic 80, 173
Locking/unlocking from inside 81
Locking/unlocking switches 81
Central locking/unlocking switches 80Certification label 462
Change of address or ownership 12
Checking tire pressure electronically
Tire Pressure Monitoring System
(TPMS), (USA only) 344
Children in the vehicle 51
Air bags 51
Front passenger front air bag off
indicator lamp 45, 385
Infant and child restraint systems 51
LATCH-type child seat anchors 55
Override switch for rear door window
operation 57
Tether attachment points 54
Cigarette lighter 292
Climate control system 250, 259
3-zone automatic climate control
(Canada only) 259
Air conditioning, Cooling 258, 267
Air distribution 254, 263
Air recirculation mode 257, 265
Air volume 254, 263
Air volume, rear 268
Automatic mode 253
Deactivating/Reactivating 252
Defrosting 264

490 Index
Dual-zone automatic climate
control 250
Front defroster 255
Rear climate control 268
Rear window defroster 256, 265
Residual engine heat and
ventilation 266
Setting the temperature 262
Temperature 253
Windshield, defogging 255
Clock 151
Setting time 170
Cockpit 24
Cold weather performance 483
COMAND* see separate COMAND
operating instructions
Combination switch 112
Corner-illuminating front fog
lamps* 112
High beam flasher 112
Turn signals 131
Windshield wipers 117
Control system 151
Multifunction display 151
Multifunction steering wheel 152
Resetting to factory default 165Control system menu 151
AUDIO 158
Menus overview 154
Navi* 158
Service menu 164
Settings menu 165
Standard display 156
TEL* 160
Trip computer 156
Vehicle status message
memory 164
Control system submenus 153, 155
Convenience 174
Instrument cluster 168
Lighting 171
Time/Date 170
Vehicle 173
Coolant 329
Adding 329
Anticorrosion/antifreeze mixing ratio
and quantity 484
Checking level 329
Messages in display 405
Temperature 321
Temperature gauge 27, 148Coolant level
Checking 329
Corner-illuminating front fog lamps* 112
Replacing bulbs 431
Cruise control 241
Activating 242
Canceling 243
Driving downhill 243
Driving uphill 243
Setting current speed 242
Setting to last stored speed
(“Resume” function) 245
Cruising range, fuel 483
Cup holder
In front seat armrest 287
In rear seat armrest 287
Curb weight 356