2003 MERCEDES-BENZ C240 reset button

91 Controls in detail
Locking and unlocking
Separately unlocking the trunk
Pull the mechanical key out of the
SmartKey (
page 285).

Insert the mechanical key in the trunk
lid lock.

Turn the key completely to the left to
position1, see above.
You can now open the trunk (
page 88).
Automatic central locking
The doors and the trunk automatically lock
when the ignition is switched on and the
wheels are turning at vehicle speeds of ap-
proximately 9 mph (15 km/h) or more.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
You can deactivate the automatic locking
using the control system (
page 129).
iUnlocking the trunk with the mechani-
cal key will trigger the anti-theft alarm
system. To cancel the alarm, do one of
the following:

Press button
Œ
or
‹
on the
SmartKey.


Insert the SmartKey in the starter
switch.
iThe doors unlock automatically after an
accident if the force of the impact ex-
ceeds a preset threshold.
The vehicle automatically locks when
the ignition is switched on and the
wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or
more. You could therefore lock yourself
out when the vehicle

is pushed


is on a test stand

119 Controls in detail
Control system

Press button
è
or
ÿ
repeatedly
until you see the malfunction message
memory in the display.
No malfunction messages
If no malfunctions have occured, the
message in the display is:
NO MALFUNCTIONMalfunctions have occurred
If malfunctions have occurred, you will see
the number of malfunctions in the display:
1Number of malfunctions

Press button
k
or
j
.
The stored messages will now be dis-
played in order. See the “Practical
hints” section for malfunction and
warning messages (
page 261).
Should any malfunctions occur while
driving, the number of malfunctions will
reappear in the display when the key in the
starter switch is turned to position0 or
removed from the starter switch.
Settings menu
In the
SETTINGS
menu there are two
functions:


The function
RESET TO FACTORY
SETTINGS
, with which you can reset all
the settings to the original factory
settings.


A collection of submenus with which
you can make individual settings for
your vehicle.

Press button
è
or
ÿ
repeatedly
until the
SETTINGS
menu is seen in the
display.
iThe message memory will be cleared
when you turn the key in the starter
switch to position1 or2. You will then
only see high-priority messages in the
multifunction display (
page 261).

120 Controls in detailControl systemResetting all settings
You can reset all the functions of all sub-
menus to the factory settings.
Press the reset knob in the instrument
cluster (
page 22) for approximately
three seconds.
In the display you will see the request
to press the reset knob again to
confirm.

Press the reset knob again.
The functions of all the submenus will
reset to factory settings.Submenus in the Settings menu

Press button
k
or
j
.
In the display you see the collection of
the submenus.

Press button
ç
.
The selection marker moves to the next
submenu.
The submenus are arranged by hierarchy.
Scroll down with theç
button, scroll up
with the
æ
button.
Move within the submenus with the
k

or
j
button to the individual functions.
The settings themselves are made with
buttonæ
or
ç
.Resetting the functions of a submenu
For each submenu you can reset all the
functions to the factory settings.

Move to a function in the submenu.

Press the reset knob (
page 22) in the
instrument cluster for approximately
three seconds.
In the display you will see the request
to press the reset knob again to
confirm.

Press the reset knob again.
All functions of the submenu will reset
to factory settings.
iThe settings you have changed will not
be reset unless you confirm the action
by pressing the reset knob a second
time.

125 Controls in detail
Control system
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:Setting daytime running lamp mode
(USA only)

Move the selection marker with
the
æ
or
ç
button to the
LIGHTING
submenu.

Press button
j
or
k
repeatedly
until you see this message in the
display:
LAMP CIRCUIT HEADLAMP MODE
.
The selection marker is on the current
setting.

Press
æ
or
ç
to select manual
or daytime running lamp (constant)
mode. This function is not available in
countries where daytime running
lamps are mandatory.With daytime running lamp mode
selected and the exterior lamp switch
at position0, the following lamps will
come on automatically when the
engine is turned on:


Parking lamps and low beam
headlamps


License plate lamps (in low ambient
light conditions)
Function
Page
Set daytime running lamp mode
(USA only)
see
below
Set locator lighting
126
Exterior lamps delayed shut-off
126
Interior lighting delayed shut-off
127
iIf you turn the exterior lamp switch to
another position, the corresponding
lamp(s) will switch on.
For safety reasons, resetting the LIGHTING
submenu to factory settings
(
page 120) will not reset the daytime
running lamp mode.
In the display you will then see the
message:
LIGHTING – CANNOT BE
COMPLETELY RESET TO FACTORY
SETTINGS WHILE DRIVING
!.

132 Controls in detailControl systemTrip computer menu
Use the trip computer menu to call up
statistical data on your vehicle. The
following information is available:Fuel consumption statistics after start

Press button
ÿ
or
è
repeatedly
until you see the first function of the
Trip computer menu.

Press button
j
or
k
repeatedly
until you see this message in the
display:
AFTER START
.
1Distance driven since start
2Time elapsed since start
3Average fuel consumption since start
4Average speed since startFuel consumption since last reset

Press button
ÿ
or
è
repeatedly
until you see the first function of the
Trip computer menu.

Press button
j
or
k
repeatedly
until you see this message in the
display:
AFTER RESET
.
1Distance driven since last reset
2Time elapsed since last reset
3Average fuel consumption since last
reset
4Average speed since last reset
Function
Page
Fuel consumption statistics after
start
see
below
Fuel consumption statistics
since last reset
see
below
Call up range (distance to empty)
133

133 Controls in detail
Control system
Resetting fuel consumption statistics
Press button
ÿ
or
è
repeatedly
until you see the first function of the
Trip computer menu.

Press button
j
or
k
repeatedly
until you see the reading that you want
to reset in the display.

Press and hold the reset knob in the
instrument cluster (
page 22) until
the value is reset to0.Call up range (distance to empty)

Press button
ÿ
or
è
repeatedly
until you see the first function of the
Trip computer menu.

Press button
j
or
k
repeatedly
until you see this message in the
display:
RANGE
.
In the display you will see the
calculated range based on the current
fuel tank level.
iAll statistics stored since the last
engine start will be reset approximately
four hours after the key in the starter
switch is turned to position0 or
removed from the starter switch.
Resetting will not occur if you turn the
key back to position1 or2 within this
time period.

216 Controls in detailUseful features
Remote door unlock
In case you have locked your vehicle unin-
tentionally (e.g. key inside vehicle), and the
reserve key 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 minimum
of 20 seconds until the SOS button is
flashing.
The message
EMERGENCY CALL –
CALL CONNECTED appears in the multi-
function 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.
!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 Cus-
tomer Service at 1-800-387-0100 in
Canada.iThe indicator lamp in the respective
button flashes until the call is conclud-
ed. Calls can only be terminated by a
Response Center or Customer Assis-
tance Center representative except
Roadside Assistance and Information
calls, which can also be terminated by
pressing button
ì
on the multifunc-
tion steering wheel.
iWhen a Tele Aid call has been initiated,
the audio system or the COMAND* sys-
tem audio is muted and the selected
mode (radio, tape or CD) pauses. The
optional cellular phone (if installed)
switches off. If you must use this
phone, the vehicle must be parked. Dis-
connect 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 com-
mands are only available by pressing
the RPT button on the COMAND* unit.
A pop-up window will appear in the CO-
MAND* display to indicate that a
Tele Aid call is in progress.

248 OperationMaintenanceCalling up the service indicator
Switch ignition on.
The standard display of the control sys-
tem appears (
page 116).

Press button
k
or
j
on the mul-
tifunction steering wheel until the FSS
indicator appears in the multifunction
display.
Resetting the service indicator
In the event that the service on your vehi-
cle is not carried out by an authorized
Mercedes-Benz Center, you can reset the
service indicator yourself.
Switch ignition on.
The standard display of the control sys-
tem appears (
page 116).

Press button
k
or
j
on the mul-
tifunction steering wheel until the FSS
indicator appears in the multifunction
display.

Press the reset knob for about four
seconds.
This message appears in the tachome-
ter:DO YOU WANT TO RESET SERVICE INTER-
VAL? CONFIRM BY PRESSING RESET (R)
BUTTON

To confirm, hold down the reset knob
until you hear a signal.The service indicator now displays the
reset interval.
iIf the battery is disconnected, the days
of disconnection will not be included in
the count shown by the service indica-
tor. To arrive at the true service dead-
line, you will need to subtract these
days from the days shown in the ser-
vice indicator.
Do not confuse the service indicator
with the engine oil level indicator
:
.
iIf the service indicator was inadvertent-
ly reset, have a Mercedes-Benz Center
correct it.
Only reset if the proper service has
been performed. Resetting the system
without performing proper service as
called for by the FSS will cause the FSS
to incorrectly determine the next
service interval which will result in
engine damage not covered by the
Mercedes-Benz Limited Warranty.