2005 MERCEDES-BENZ C320 Comand

141 Controls in detail
Control system
Setting the date (year)
This function can only be seen with audio
system.
Move the selection marker with
buttonæ orç to the
Time/Date

submenu.

Press buttonj ork repeatedly
until the message
Date Set YY
appears
in the multifunction display.The selection marker is on the year
setting.

Press buttonæ orç to set the
year.Lighting submenu
Access the
Lighting
submenu via the
Settings
menu. Use the
Lighting
submenu to change the lamp and lighting
settings on your vehicle.
The following functions are available:
iVehicles with COMAND*:
For information on setting the date,
refer to the separate COMAND
operating instructions.
Function
Page
Setting daytime running lamp
mode (USA only)
142
Setting locator lighting
143
Setting night security
illumination
143
Setting interior lighting delayed
shut-off
145

151 Controls in detail
Control system
You can use the functions in the
TEL
menu
to operate your telephone, provided it is
connected to a hands-free system and
switched on.

Switch on the telephone and
COMAND*.

Press buttonÿ orè on the
steering wheel repeatedly until the
message
TEL
appears in the
multifunction display.
Which messages will appear in the
multifunction display depends on whether
your telephone is switched on or off:


If the telephone is off, the message PHONE OFF
appears in the multifunction
display.


If the telephone is on:
The telephone will then search for a
network. During this time the multi-
function display is empty.
As soon as the telephone has found a
network, the message
READY
appears in
the multifunction display.
This standby message indicates that your
telephone is ready for use and you can
operate it using the control system.Answering a call
When your telephone is ready to receive
calls, you can answer a call at any time. In
the multifunction display you will then see
the message:

Press buttons.
You have answered the call. The
duration of the call appears in the
multifunction display.
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.

248 Controls in detailUseful features
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 150).
See separate operating manual for instruc-
tions on how to use the telephone.
Tele Aid*
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.
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.
!The initial activation of the Tele Aid
system may only be performed by
completing the subscriber agreement
and placing an acquaintance call using
the¡ button. Failure to complete
either of these steps will result in a
system that is not activated.
If you have any questions regarding
activation, please call the Response
Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).

249 Controls in detail
Useful features
The Tele Aid system
(Tele
matic A
larm I
dentification on
D
emand)
The Tele Aid system consists of three
types of response:

automatic and manual emergency


roadside assistance and


information
The Tele Aid system is operational provid-
ing that the vehicle’s battery is charged,
properly connected, not damaged and
cellular and GPS coverage is available.
The speaker volume of a Tele Aid call can
be adjusted when using the volume control
on the multifunction steering wheel. To
raise, press buttonæ and to lower,
press buttonç. The volume can also be
adjusted using the volume knob on your
audio system or COMAND* head unit.

To activate, press the SOS button, the
Roadside Assistance button• or
the Information button¡, depend-
ing on the type of response required.
Shortly after the completion of your Tele
Aid acquaintance call, you will receive a
user ID and password. By visiting
www.mbusa.com and selecting “Tele Aid”
(USA only), you will have access to account
information, remote door unlock and
more.System self-check
Initially, after switching on ignition, mal-
functions are detected and indicated (the
indicator lamps in the SOS button, the
Roadside Assistance button• and the
Information button¡ stay on longer
than ten seconds or do not come on). The
message
Tele Aid malfunction. Drive
to workshop
appears in the multifunction
display.
iThe SOS button is located above the
interior rear view mirror.
The Roadside Assistance button•
and the Information button¡ are
located below the center armrest
cover.
iThe Tele Aid system utilizes the cellular
network for communication and the
GPS (Global Positioning System) satel-
lites for vehicle location. If either of
these signals are unavailable, the
Tele Aid system may not function and if
this occurs, assistance must be sum-
moned by other means.

253 Controls in detail
Useful features
Information button¡
Located below the center armrest cover is
the Information button¡.
Press and hold button (for longer than
two seconds).
A call to the Customer Assistance
Center will be initiated. The button will
flash while the call is in progress. The
message
Connecting call
will appear
in the multifunction display and the
audio system is muted.When the connection is established, the
message
Call connected
appears in the
multifunction display. The Tele Aid system
will transmit data generating the vehicle
identification number, model, color and
location (subject to availability of cellular
and GPS signals).
A voice connection between the Customer
Assistance Center representative and the
occupants of the vehicle will be
established. Information regarding the
operation of your vehicle, the nearest
Mercedes-Benz Center or Mercedes-Benz
USA products and services is available to
you.
For more details concerning the Tele Aid
system, please visit www.mbusa.com and
use your ID and password (sent to you
separately) to learn more (USA only). Roadside Assistance calls can be
terminated using the tbutton on
the multifunction steering wheel or the
respective button for ending a
telephone call on the audio system or
COMAND* head unit.
iThe indicator lamp on the Information
button¡ remains illuminated in red
for approximately ten seconds during
the system self-check after switching
on ignition (together with the SOS
button and the Roadside Assistance
button•).
See system self-check (
page 249)
when the indicator lamp does not come
on in red or stays on longer than
approximately ten seconds.
If the indicator lamp on the Information
button¡ is flashing continuously
and there was no voice connection to
the Response Center established, then
the Tele Aid system could not initiate
an Information call (e.g. the relevant
cellular phone network is not
available). The message Call failed.

appears in the multifunction display.

254 Controls in detailUseful features
Upgrade scenario
An emergency call is possible even if other
services are active. Information calls can be terminated
using thet button on the
multifunction steering wheel or the re-
spective button for ending a telephone
call on the audio system or COMAND*
head unit.
!If the indicator lamps do not start flash-
ing after pressing one of the buttons or
remain illuminated (in red) at any time,
the Tele Aid system has detected a
malfunction or the service is not
currently active, and may not initiate a
call. Visit your Mercedes-Benz Center
and have the system checked or
contact the Response Center at
1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada) as soon
as possible.
!If the indicator lamp continues to flash
or the system does not reset, contact
the Response Center at
1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada), or
Mercedes-Benz Customer Assistance
at 1-800-FOR-MERCedes
(1-800-367-6372) in the USA or
Customer Service at 1-800-387-0100
in Canada.
iThe indicator lamp in the respective
button flashes until the call is con-
cluded. Calls can only be terminated by
a Response Center or Customer
Assistance Center representative
except Roadside Assistance and
Information calls, which can also be
terminated by pressing buttont on
the multifunction steering wheel or the
respective button for ending a
telephone call on the audio system or
COMAND* head unit.

255 Controls in detail
Useful features
Remote door unlock
In case you have locked your vehicle unin-
tentionally (e.g. SmartKey inside vehicle),
and the reserve SmartKey is not handy:
Contact the Mercedes-Benz Response
Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).
You will be asked to provide your pass-
word which you provided when you
completed the subscriber agreement.

Then return to your vehicle and pull the
trunk recessed handle for a minimum
of 20 seconds until the SOS button is
flashing.
The message
Connecting call

appears in the multifunction display.
As an alternative, you may unlock the vehi-
cle via Internet using the ID and password
sent to you shortly after the completion of
your acquaintance call.
The Response Center will then unlock your
vehicle with the remote door unlocking
feature.
iWhen a Tele Aid call has been initiated,
the audio system or the COMAND*
system audio is muted and the
selected mode (radio or CD) pauses.
The optional cellular phone (if installed)
switches off. If you must use this
phone, the vehicle must be parked.
Disconnect the coiled cord and place
the call. The COMAND* navigation
system (if engaged) will continue to
run. The display in the instrument
cluster is available for use, and spoken
commands are only available by press-
ing the RPT button on the COMAND*
unit. A pop-up window will appear in
the COMAND* display to indicate that
a Tele Aid call is in progress.
iThe remote door unlock feature is
available if the relevant cellular phone
network is available.
The SOS button will flash and the
message
Connecting call
will appear
in the multifunction display to indicate
receipt of the door unlock command.
Once the vehicle is unlocked, a
Response Center specialist will
attempt to establish voice contact with
the vehicle occupants.
If the trunk recessed handle was pulled
for more than 20 seconds before door
unlock authorization was received by
the Response Center, you must
wait 15 minutes before pulling the
trunk recessed handle again.

272 OperationDriving instructionsPassenger compartmentDriving abroad
Abroad, there is an extensive
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
an authorized Mercedes-Benz Center.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.
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
objects.
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.