alarm MERCEDES-BENZ C320 2005 W203 Owner's Manual

ContentsSafety and Security........................... 57
Occupant safety................................... 58
Air bags .......................................... 59
Seat belts ....................................... 64
Children in the vehicle .................... 67
Blocking of rear door window
operation ........................................ 75
Panic alarm* ........................................ 76
Activating ....................................... 76
Deactivating ................................... 76
Driving safety systems ......................... 77
ABS ................................................ 77
BAS ................................................ 78
ESP ................................................. 79
Four wheel electronic traction
system (4MATIC) with the ESP ....... 82
Anti-theft systems................................ 83
Immobilizer..................................... 83
Anti-theft alarm system* ................ 83
Tow-away alarm* ........................... 85
Controls in detail............................... 87
Locking and unlocking ......................... 88
SmartKey ....................................... 88
Opening the doors from
the inside ....................................... 92
Opening the trunk .......................... 92
Closing the trunk............................ 94
Trunk lid emergency release .......... 95
Automatic central locking .............. 96
Locking and unlocking from
the inside ....................................... 96
Seats ................................................... 98
Easy-entry/exit feature* ................ 98
Removing and installing front
seat head restraints ....................... 99
Rear seat head restraints ............. 101
Multicontour seats* ..................... 104
Seat heating* ............................... 105
Memory function* ............................. 106
Storing positions into memory ..... 107
Recalling positions from memory . 107
Storing exterior rear view mirror
parking position ........................... 108Lighting ............................................. 109
Exterior lamp switch .................... 109
Combination switch ..................... 113
Hazard warning flasher ................ 114
Interior lighting ............................ 115
Door entry lamps ......................... 116
Trunk lamp ................................... 116
Instrument cluster ............................. 117
Instrument cluster illumination .... 117
Coolant temperature gauge ......... 118
Trip odometer .............................. 119
Tachometer .................................. 119
Outside temperature indicator ..... 119
Control system .................................. 121
Multifunction display.................... 121
Multifunction steering wheel........ 122
Menus .......................................... 124
Standard display menu ................ 126
AUDIO menu ................................ 127
NAV* menu .................................. 130
Vehicle status message memory
menu............................................ 130
Settings menu .............................. 132
Trip computer menu..................... 148
TEL menu* ................................... 150

27 At a glance
Center console
Center console
Upper part
Item
Page
1
Seat heating*, driver’s side
105
2
Rear window sunshade
switch*
172
3
ESP control switch
79
4
Hazard warning flasher
switch – switching on/off
114
5
Central locking switch
96
Central unlocking switch
96
6
Switch for folding back
rear seat head restraints
102
7
Tow-away alarm switch*
85
Anti-theft alarm system
indicator lamp*
84
Item
Page
8
Seat heating*, passenger
side
105
9
Front passenger front
air bag off indicator lamp
70,
308
a
Audio system,
183
orCOMAND* (see separate
operating instructions)
b
Climate control
174
Rear window defroster
173

32 Getting startedThe “Getting started” section provides an
overview of the vehicle’s most basic func-
tions. First-time Mercedes-Benz owners
should pay special attention to the infor-
mation given here.
If you are already familiar with the basic
functions described here, the “Controls in
detail” section will provide you with further
information. The corresponding page
references are located at the end of each
segment.Unlocking
Unlocking with the SmartKeySmartKey with remote control 1‹Lock button
2ŠOpening button for the trunk lid
3ŒUnlock button
4ÂPanic button* (
page 76)

Press unlock buttonΠon the
SmartKey.
All turn signal lamps flash once. The
locking knobs in the doors move up.

Get in the vehicle and insert the
SmartKey in the starter switch.
For more information, see “Locking and
unlocking” (
page 88).
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button*4.

57 Safety and Security
Occupant safety
Panic alarm*
Driving safety systems
Anti-theft systems

76 Safety and SecurityPanic alarm*An audible alarm and flashing exterior
lamps will operate for approximately
21/2minutes.
1Âbutton
Activating
Press and hold button1 for at least
one second.
Deactivating
Press button1 again.
or

Insert SmartKey in starter switch.
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button1.
iFor operation in the USA only:
This device complies with Part 15 of
the FCC Rules. Operation is subject to
the following two conditions:
(1) This device may not cause harmful
interference, and
(2) this device must accept any inter-
ference received, including interfer-
ence that may cause undesired
operation.
Any unauthorized modification to this
device could void the user’s authority
to operate the equipment.

83 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
Remove the SmartKey from the starter
switch.
Deactivating

Switch on ignition (
page 33).
Anti-theft alarm system*
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens

a door


the trunk lid


the hood
The alarm system will also be triggered
when


someone attempts to raise the vehicle
(page 85)


opening the vehicle with the
mechanical key
iStarting the engine will also deactivate
the immobilizer.
In case the engine cannot be started
(yet the vehicle’s battery is charged),
the system is not operational. Contact
an authorized Mercedes-Benz Center
or call 1-800-FOR-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).
iThe alarm will stay on, even if the
activating element (a door, for
example) is immediately closed.iIf the alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid system* (
page 248) provid-
ed Tele Aid service was subscribed to
and properly activated, and that neces-
sary cellular service and GPS coverage
are available.

84 Safety and SecurityAnti-theft systemsArming the alarm system
The indicator lamp is in the switch for the
tow-away alarm* in the center console.
1Indicator lamp
Lock the vehicle with the SmartKey.
The turn signal lamps flash three times
to indicate that the alarm system is
activated. Indicator lamp1 begins to
flash after approximately 30 seconds
after arming the alarm system.Disarming the alarm system

Unlock your vehicle with the SmartKey.
The turn signal lamps flash once to
indicate that the alarm system is
deactivated.
Canceling the alarm
To cancel the alarm:

Press theŒ or‹ button on the
SmartKey.
or

Insert the SmartKey in the starter
switch.
iIf the turn signal lamps do not flash
three times, one of the following
elements may not be properly closed:

a door


the trunk lid


the hood
Close the respective element and lock
the vehicle again.
iThe alarm system will rearm automati-
cally after approximately 40 seconds if
no door or the trunk lid was opened.

85 Safety and Security
Anti-theft systems
Tow-away alarm*
Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone attempts to raise the vehicle.Arming tow-away alarm

Lock your vehicle with the SmartKey.
The tow-away alarm is automatically
armed after about 30 seconds.
Disarming tow-away alarm
To prevent triggering the tow-away alarm,
switch off the tow-away alarm feature
before towing the vehicle, or when parking
on a surface subject to movement, such as
a ferry or auto train.The switch is located on the center
console.
1Tow-away alarm off switch
2Indicator lamp

Switch off ignition.
iThe tow-away protection alarm is
triggered, for example, if the vehicle is
lifted on one side.
If the alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid system* (
page 248) provid-
ed Tele Aid service was subscribed to
and properly activated, and that neces-
sary cellular service and GPS coverage
are available.
iWhen you unlock your vehicle, the
tow-away protection disarms
automatically. The tow-away alarm
remains disarmed until you lock the
vehicle again.
iYou cannot disarm the tow-away alarm
while the ignition is switched on.


86 Safety and SecurityAnti-theft systems
Press switch1.
Indicator lamp2 in switch comes on
briefly.

Exit and lock your vehicle with the
SmartKey.
The tow-away alarm remains disarmed
until you lock your vehicle again.
Canceling the alarm
To cancel the alarm:

Press theŒ or‹ button on the
SmartKey.
or

Insert the SmartKey in the starter
switch.


88 Controls in detailIn the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed on your vehi-
cle. If you are already familiar with the
basic functions of your vehicle, this section
will be of particular interest to you.
To quickly familiarize yourself with the ba-
sic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are giv-
en at the beginning of each segment.Locking and unlocking
For more information on locking and
unlocking, see “Getting started”
(page 32) and (
page 54).
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and
a removable mechanical key.
The locking tabs for the mechanical key
portion of the two SmartKeys are a
different color to help distinguish each
SmartKey unit.
The SmartKey provides an extended oper-
ating range. To prevent theft, however, it is
advisable to only unlock the vehicle when
you are in close proximity to it.
The SmartKey centrally locks and unlocks:

the doors


the trunk


the fuel filler flap
SmartKey with remote control1‹ Lock button
2Š Opening button for the trunk lid
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button* (
page 76).
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button6.