2006 MERCEDES-BENZ C230 Connect telephone

264 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.
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.You can take and place telephone calls
using thes andt buttons on the
steering wheel. To carry out other tele-
phone functions, use the control system
(
page 157).
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 44 feet
(approximately 14 m) every second.
1Observe all legal requirements.

291 Operation
Driving instructions
Control and operation of radio transmitters
COMAND*, radio and telephone*Telephones* and two-way radios
Radio transmitters, such as a portable
telephone or a citizens band unit should
only be used inside the vehicle if they are
connected to an antenna that is installed
on the outside of the vehicle.
Refer to the radio transmitter operation
instructions regarding use of an external
antenna.
Catalytic converter
Your Mercedes-Benz is equipped with
monolithic-type catalytic converters, an
important element in conjunction with the
oxygen sensors to achieve substantial
control of the pollutants in the exhaust
emissions. Keep your vehicle in proper
operating condition by following our
recommended maintenance instructions
as outlined in your Maintenance Booklet.
Warning!
G
Please do not forget that your primary
responsibility is to drive the vehicle safely.
Only operate the COMAND (Cockpit
Management and Data System), radio or
telephone
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 44 feet
(approximately 14 m) every second.
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.
!To prevent damage to the catalytic
converters, only use premium unleaded
gasoline in this vehicle.
Any noticeable irregularities in engine
operation should be repaired promptly.
Otherwise, excessive unburned fuel
may reach the catalytic converter,
causing it to overheat and potentially
start a fire.

456 Index
Operating and display elements 200
Operating audio system 202
Operating safety 199
Radio operation 207
Telephone* operation 225
Auto-dimming mirror* 171
Automatic central locking
Activating/deactivating
(Control system) 152
Automatic climate control*
(Canada only) 186
Control panel 187
Defrosting, front 191
Rear window defroster 175
Automatic headlamp mode 119
Automatic locking when driving 107
Automatic shift program
Program mode selector switch
(Automatic transmission*) 167
Automatic time change (Standard time,
Daylight Saving time) 147Automatic transmission* 162
Accelerator position 165
Automatic shift program 167
Emergency operation
(Limp Home Mode) 169
Fluid level (ATF) 300
Gear ranges 166
Gear selector lever 162
Gear shifting malfunctions 169
Kickdown 165
Manual shifting 168
One-touch gearshifting 168
Program mode selector switch 167
Starting engine 49
B
Backrest
Driver’s multicontour seat*
(Canada only) 113
Rear seat, folding 254
Seat, manual 36
Seat, power* 38Backup lamps
Messages in display 377
Replacing bulbs 399
Bar 331
BAS 88, 449
Batteries, SmartKey
Changing 396
Checking battery condition 101
Battery, Vehicle 302, 412
Charging 414
Disconnecting and connecting 413
Jump starting 415
Removing and installing 413
Bead 331
Bi-Xenon* headlamps see headlamps
Block heater (Canada only) 337
Bolts, Spare wheel 388
Brake Assist System see BAS
Brake fluid 442
Checking 295
Message in display 370