2003 MERCEDES-BENZ C320 Install telephone

171 Controls in detail
Audio system


SP: The tone level is set for
“Speech”, optimizing the sound for
spoken language.


AMB
: The tone level is set for “Ambi-
ence”, producing a three-dimen-
sional sound.


OFF
: The audio system sound selec-
tion is turned off.
Telephone* muting
If a telephone has been installed in the ve-
hicle, the radio will switch to telephone
mode when a call is received. The current
audio source is muted.
Radio mode
Selecting radio mode
Press the
b
button.
Selecting the band
You can select from among FM, AM or WB
frequency bands.
FM frequency band:
FM (ultra-short wave) 87.9......107.9 MHz
AM frequency bands:
MW (medium wave) 530......1710 KHz
WB (long wave) approx. 162 KHzSelecting FM band

Press the
FM function button.
FM appears in the upper right-hand cor-
ner of the display.
Selecting AM band

Press the
AM function button.
AM appears in the upper right-hand cor-
ner of the display.
Selecting a station
The following options are available for se-
lecting a station:


Direct frequency band input


Manual tuning


Automatic seek tuning


Scan tuning


Station buttons


Automatic station memory (Autostore)

208 Controls in detailUseful featuresCigarette lighter
The cigarette lighter is located in the cen-
ter console compartment in front of the
armrest (
page 25).
1Cigarette lighter
2Cover

Turn key in the starter switch to
position1 or2.

Slide cover2 rearward.

Push in cigarette lighter1.
The lighter will pop out automatically
when hot.
Telephone*
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.
The external antenna must be approved by
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.
Warning!
G
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
When leaving the vehicle, always remove the
key from the starter switch, and lock your
vehicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and/or serious
personal injury.iThe lighter socket can be used to ac-
commodate electrical accessories up
to a maximum 85 W.
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.

230 OperationDriving instructionsPassenger compartmentDriving abroad
Abroad, there is a widely-spread
Mercedes-Benz service network at your
disposal. If you plan to drive into areas
which are not listed in the index of your
Mercedes-Benz Center directory, you
should request pertinent information from
your authorized Mercedes-Benz Center.Control and operation of radio trans-
mitter
COMAND*, radio and telephone*Telephones and two-way radios
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.
Refer to the radio transmitter operation in-
structions regarding use of an external an-
tenna.
Warning!
G
Always fasten items being carried as
securely as possible.
In an accident, during hard braking or sud-
den maneuvers, loose items will be thrown
around inside the vehicle, and cause injury
to vehicle occupants unless the items are
securely fastened in the vehicle.
The trunk is the preferred place to carry ob-
jects.
Warning!
G
Please do not forget that your primary re-
sponsibility is to drive the vehicle safely.
Only operate the COMAND (Cockpit Man-
agement and Data System), radio or tele-
phone
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 approximately
44 feet (approximately 13.5 m) every sec-
ond.
1Observe all legal requirements
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,
possibly resulting in an accident and
personal injury.

368 IndexTow-away alarm 25, 80
Arming 80
Disarming 80
Disarming for transport 80
Towing eye bolt (vehicle tool kit)
Installing 311
Towing the vehicle 308
Tracking services
For stolen vehicle 217
Traction 142, 339, 345
Transmission see Automatic or
manual transmission 238
Transmission selector lever 288
Unlocking manually 288
Tread depth (tires) 245
Tread Wear 339
Trip computer 132
Trip odometer
Resetting 109
Trunk
Auxiliary fuse box 313
Closing the lid 89
Lamp 106
Opening 86, 88
Opening from inside vehicle 88Separately locking 90
Separately unlocking 91
Trunk lid emergency release 89
Trunk lid
Closing 89
Message in display 272
Turn signal lamps
Replacing bulbs 290, 291
Turn signals 47
Additional in mirrors 290
Cleaning lenses 251
Front bulbs 290, 292, 294
Indicator lamps 23
Rear bulbs 291, 295
Turning off
Engine 53
U
Units
Setting speedometer units 123
Setting temperature units 123
Unlocking 30, 84
Centrally from inside 92
Driver’s door in an emergency 285
Fuel filler flap 233
Global 85
In an emergency 285Selective settings 85
Separately the trunk 91
Transmission selector lever
manually 288
Vehicle in an emergency 216
With the SmartKey 30
Upgrade signals
Tele Aid* 215
Uphill driving
Cruise control 194
Upshifting 139
Useful features 203
Ashtrays 207
Cigarette lighter 208
Garage door opener 217
Tele Aid* 209
Telephone* 208
V
Vehicle
Individual settings 119, 121
Locking 25
Locking in an emergency 286
Lowering 301
Performance in cold weather 335
Performance in hot weather 335
Proper use of 16