2004 MERCEDES-BENZ C320 Radio functions

222 Controls in detailUseful featuresTelephone*
Radio transmitters, such as a portable tele-
phone or a citizens band unit, should only
be used inside the vehicle if they are con-
nected to an antenna that is installed on
the outside of the vehicle.
T he e x t e r n a l a n t e n n a m u s t b e a p p r o v e d b y
Mercedes-Benz. Please contact an autho-
rized Mercedes-Benz Center for informa-
tion on the installation of an approved
external antenna. Refer to the radio trans-
mitter operation instructions regarding use
of an external antenna.You can take and place telephone calls
using theí andì buttons on the
steering wheel. To carry out other tele-
phone functions, use the control system
(
page 138).
See separate operating manual for instruc-
tions on how to use the telephone.
Warning!
G
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and personal
injury.
Warning!
G
Please do not forget that your primary re-
sponsibility is to drive the vehicle. A driver’s
attention to the road must always be
his/her primary focus when driving. For
your safety and the safety of others, we rec-
ommend that you pull over to a safe location
and stop before placing or taking a tele-
phone call.
If you choose to use the telephone
1 while
driving, please use the hands-free device
and only use the telephone when road,
weather and traffic conditions permit. Some
jurisdictions prohibit the driver from using a
cellular telephone while driving a vehicle.
Only operate the COMAND* (Cockpit Man-
agement and Data System)
1 if road, weather
and traffic conditions permit.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of approx. 44 feet
(approximately 13.5 m) every second.
1Observe all legal requirements.
Warning!
G
Some jurisdictions prohibit the driver from
using a cellular telephone while driving a
vehicle. Whether or not prohibited by law,
for safety reasons, the driver should not use
the cellular telephone while the vehicle is in
motion.
Stop the vehicle in a safe location before
answering or placing a call.

373 Index
Climate control 154
Adjusting air distribution
and volume 157
Defogging windshield 157
Defrosting 158
Setting the temperature 156
Clock 23, 126
Closing
Glove box 216
Hood 253
Sliding/pop-up roof* 204
Sliding/pop-up roof*
in an emergency 309
Sliding/pop-up roof*
with SmartKey 204
Trunk lid 87
Windows 201
Windows with SmartKey 202
Cloth upholstery
Cleaning 272
Cockpit 20, 361Cockpit Management and Data System
see COMAND*
COMAND* 362
COMAND*
see separate operating instructions
Combination switch 105
High beam flasher 47
Turn signals 47
Windshield wipers 47
Comfort driving
Transmission program mode 146
Consumer information 359
Control and operation of radio
transmitters 246
Control system 113, 362
AUDIO menu 118
Convenience submenu 133
Display digital speedometer 118
Functions 114, 117
Instrument cluster submenu 126
Lighting submenu 129Malfunction memory menu 122
Menus 116, 117, 363
Multifunction display 113
Multifunction steering wheel 114
NAVI* menu 121
Selecting radio system 119
Selecting satellite radio* system 119
Settings menu 123
Standard display menu 118
Submenus 115, 117
TEL* menu 138
Trip computer menu 136
Vehicle submenu 132
Controller Area Network see CAN system
Convenience submenu 133
Activating easy-entry/exit
feature* 134
Setting key dependency 135
Setting parking position* for exterior
rear view mirror 136

388 IndexReplacing
Backup lamp bulbs 315
Brake lamp bulbs 315
Bulbs 310
Front lamp bulbs 310, 312
Front turn signal bulbs 312, 314
Fuses 334
High beam bulbs 312
High beam bulbs
(xenon-type* headlamps) 313
License plate lamp bulbs 315
Low beam bulbs 312
Parking lamp bulbs 313, 314
Rear fog lamp bulb 315
Rear lamp bulbs 311, 315
Rear turn signal bulbs 315
Side marker lamp bulbs 314
Standing lamp bulbs 313, 314
Wiper blades 316
Reporting
Safety defects 18Research Octane Number see RON
Reset button in the
instrument cluster 23, 123, 124
Resetting
All functions (control system) 123
All functions of a submenu 124
Fuel consumption 137
Service indicator (FSS) 266
Trip odometer 111
Residual heat utilization 171
Residual ventilation 171
REST 171, 364
Restraint system
Message in display 297
Restraint system see
Infant and child restraint systems
Reverse (manual transmission)
Shifting into 141
Rims 342
Roadside Assistance 12
RON 250, 364
Roof rack* 209Rotating wheels 262
Rubber parts
Cleaning 272
S
Safety
Occupant 54
Safety belts see Seat belts
Safety defects
Reporting 18
Safety systems
Driving 72
Searching
Radio station 119
Seat belt force limiter 63
Seat belt height adjustment 42
Seat belts 60
Cleaning 271
Fastening 40
Height adjustment 42
Messages in display 297
Proper use of 42, 62
Safety guidelines 58
Warning lamp 278