2004 MERCEDES-BENZ C240 4MATIC locking alarm

ContentsSafety and Security........................... 53
Occupant safety................................... 54
Airbags ........................................... 55
Seat belts ....................................... 60
Children in the vehicle .................... 63
Blocking of rear door window
operation ........................................ 70
Panic alarm* ........................................ 71
Activating ....................................... 71
Deactivating ................................... 71
Driving safety systems ......................... 72
ABS ................................................ 72
BAS ................................................ 73
ESP ................................................. 74
Four wheel electronic traction
system (4MATIC) with the ESP ....... 77
Anti-theft systems................................ 78
Immobilizer..................................... 78
Anti-theft alarm system* ................ 78
Tow-away alarm* ........................... 79
Controls in detail............................... 81
Locking and unlocking ......................... 82
SmartKey ....................................... 82
Opening the doors from
the inside ....................................... 85
Opening the trunk .......................... 86
Closing the trunk............................ 87
Trunk lid emergency release .......... 88
Separately locking the trunk .......... 89
Separately unlocking the trunk ...... 90
Automatic central locking .............. 90
Locking and unlocking from
the inside ....................................... 91
Seats ................................................... 92
Easy-entry/exit feature* ................ 92
Removing and installing front seat
head restraints ............................... 93
Rear seat head restraints ............... 94
Multicontour seat* ......................... 97
Heated seats* ................................ 98
Memory function* ............................... 99
Storing positions into memory ..... 100
Recalling positions from memory . 100
Storing exterior rear view mirror
parking position ........................... 101Lighting ............................................. 102
Exterior lamp switch .................... 102
Combination switch ..................... 105
Hazard warning flasher ................ 106
Interior lighting ............................ 107
Door entry lamps ......................... 108
Trunk lamp ................................... 108
Instrument cluster ............................. 109
Instrument cluster illumination .... 109
Coolant temperature display........ 110
Trip odometer .............................. 111
Tachometer .................................. 111
Outside temperature indicator ..... 111
Control system .................................. 113
Multifunction display.................... 113
Multifunction steering wheel........ 114
Menus .......................................... 116
Standard display menu ................ 118
AUDIO menu ................................ 118
NAVI* menu ................................. 121
Malfunction memory menu .......... 122
Settings menu .............................. 123
Trip computer menu..................... 136
TEL menu* ................................... 138

25 At a glance
Center console
Center console
Upper part
Item
Page
1
Seat heater*, driver’s side
98
2
Rear window sunshade
switch
152
3
ESP control switch
74
4
Hazard warning flasher
switch – switching on/off
106
5
Central locking switch
91
6
Rear seat head restraints
switch
95
7
Anti-theft alarm system
indicator lamp
78
Tow-away alarm switch
79
Item
Page
8
Seat heater*, passenger
side
98
9
PASS. AIRBAG OFF
indicator lamp
66,
279
a
Audio system,
or
173
COMAND* (see separate
operating instructions)
b
Climate control
154
Automatic climate control*
162
Rear window defroster
153

30 Getting startedUnlocking
The “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 71)

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 82).
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button*4.

78 Safety and SecurityAnti-theft systems
Anti-theft systemsImmobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating

Removing the SmartKey from the
starter switch activates the
immobilizer.
Deactivating


Inserting the SmartKey in the starter
switch deactivates the immobilizer.
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 will stay on, even if the
activating element (a door, for example) is
immediately closed.
The alarm system will also be triggered
when


someone attempts to raise the vehicle


opening the vehicle with the
mechanical keyArming the alarm system
The alarm system is armed after locking
the vehicle with the SmartKey. The turn
signal lamps flash three times to indicate
that the alarm system is activated. A red
indicator lamp in the switch for the
tow-away alarm (
page 79) begins to
flash after approx. ten seconds after
arming the alarm system.
iIn 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).
iIf the alarm stays on for more than
20 seconds, an emergency call is
initiated automatically by the Tele Aid
system* (
page 223) provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available.

82 Controls in detailLocking and unlocking
In 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
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 71).
iYou can also open and close the power
windows (
page 202) and
sliding/pop-up roof* (
page 204)
from outside using the SmartKey.
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button*6.

86 Controls in detailLocking and unlocking
Opening the trunk
Opening the trunk from the outside
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
The handle is located above the rear
license plate recess.
1Handle
Pull on handle1.
The trunk opens.The trunk can also be opened using the
SmartKey, see “Unlocking and opening the
trunk lid” (
page 84) or from its inside in
an emergency, see “Trunk lid emergency
release” (
page 88).
iIf the vehicle has previously been
locked from the outside with the
SmartKey, opening a door from the
inside will trigger the anti-theft alarm
system*.
To cancel the alarm, do one of the
following:

Press buttonŒ or‹ on the
SmartKey.


Insert the SmartKey in the starter
switch.
!The trunk lid swings open upwards
automatically. Always make sure there
is sufficient overhead clearance.iIf the trunk lid does not open, it is still
locked separately (if applicable)
(page 89).
The vehicle must be unlocked.

89 Controls in detail
Locking and unlocking
Separately locking the trunkThe lock is located next to the recessed
handle.
1Neutral position
2Locked

Close the trunk lid (
page 87).

Pull the mechanical key out of the
SmartKey (
page 305).

Insert the mechanical key in the trunk
lid lock.

Turn the mechanical key clockwise to
position2.
The trunk remains locked even when the
vehicle is centrally unlocked.
iThe emergency release button does
not open the trunk lid if the vehicle
battery is discharged or disconnected.iIf the emergency release button is
pressed and the vehicle was centrally
locked, the exterior lamps will flash and
the alarm will sound as the trunk lid
opens.
To cancel the alarm, do one of the
following:

Press buttonŒ or‹ on the
SmartKey.


Insert the SmartKey in the starter
switch.
iYour vehicle may be equipped with a
function permitting the separate lock-
ing of the trunk using the mechanical
key. If present, this feature can permit
you to deny any unauthorized person
access to the trunk by locking the trunk
separately and leaving the SmartKey
less the mechanical key with the
vehicle.
To verify the presence of this feature,
use the mechanical key to lock the
trunk and then attempt to open the
trunk by pulling on the trunk lid handle
after the vehicle has been centrally
unlocked with the SmartKey.

305 Practical hints
Unlocking/locking in an emergency
Unlocking/locking in an emergency
Unlocking the vehicle
If you are unable to unlock the vehicle with
the SmartKey, open the driver’s door and
the trunk using the mechanical key.
The passenger door cannot be unlocked
manually.
1Mechanical key locking tab
2Mechanical key

Move locking tab1 in direction of
arrow and slide mechanical key2 out
of the housing.Unlocking the driver’s door
1Unlocked
2Locked

Unlock the door with the mechanical
key. To do so, push the mechanical key
in the lock until it stops and turn it to
the left1.
iUnlocking your vehicle with the
mechanical key will trigger the
anti-theft alarm system.
To cancel the alarm, do one of the
following:

Press buttonŒ or‹ on the
SmartKey.


Insert the SmartKey in the starter
switch.