2004 MERCEDES-BENZ C320S trunk release

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

21 At a glance
Cockpit
Item
Page
1
Combination switch

Turn signals
47


Windshield wipers
47


High beam
47
2
Cruise control lever
206
3
Instrument cluster
22,
109
4
Multifunction steering
wheel
24,
114
5
Lever for voice control
system*, see separate
operating instructions
Item
Page
6
Overhead control panel
27
7
Glove box lid release, glove
box lock
216
8
Glove box
216
9
Center console
25
a
Starter switch
31
b
Horn
c
Steering wheel adjustment
handle (manual)
37
d
Steering wheel adjustment
stalk (electrical)*
37
Item
Page
e
Hood lock release
252
f
Parking brake pedal
45, 50
g
Trunk lid release switch
86
h
Door control panel
28
j
Parking brake release
45
k
Exterior lamp switch
102
l
Exterior rear view mirror
adjustment
38
m
Headlamp washer switch*
148

84 Controls in detailLocking and unlocking
Checking the batteries
Press button‹ orŒ.
Battery check lamp5 comes on
briefly to indicate that the SmartKey
batteries are in order.Unlocking and opening the trunk lid
You can unlock and open the trunk
separately.
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.

Press buttonŠ until trunk unlocks
and begins to open.
The trunk can also be opened from its
inside in an emergency, see “Trunk lid
emergency release” (
page 88).
!If you can no longer lock or unlock the
vehicle with the SmartKey, then either
the batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.

Check the batteries in the
SmartKey (
page 84) and replace
them if necessary (
page 307).
or


Use the mechanical key to unlock
the doors (
page 305) and the
trunk lid (
page 306) as required.
or


Use the mechanical key to lock the
doors (
page 306) and the trunk
lid (
page 306) as required.
or


Have the vehicle battery and the
battery connections checked.
If the SmartKey is malfunctioning,
contact an authorized Mercedes-Benz
Center.!If battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 307).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within
signal range of the vehicle, pressing
the‹ orŒ button will lock or
unlock the vehicle accordingly. !The trunk lid swings open upwards
automatically. Always make sure there
is sufficient overhead clearance.

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.

87 Controls in detail
Locking and unlocking
Opening the trunk from the inside
You can open the trunk from the inside if
the vehicle is stationary.
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
The switch is located on the driver’s door.
1Remote trunk lid switch with indicator
lamp
Press remote trunk lid switch1.
The trunk lid opens. The indicator lamp
in the switch remains lit as long as the
trunk is open.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).
Closing the trunk
1Handle
Lower trunk lid using handle1.

Close trunk lid with hands placed flat
on it.
!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).
If the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed (
page 87). The
turn signals will flash three times to
confirm locking.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
opening when closing the trunk. Be espe-
cially careful when small children are
around.

88 Controls in detailLocking and unlocking
Trunk lid emergency release
The emergency release button is located
on the inside of the trunk lid.
1Emergency release button
Briefly press emergency release
button1.
The trunk unlocks and the trunk lid
opens.Illumination of the emergency release
button:


The button will flash for 30 minutes
after opening the trunk.


The button will flash for 60 minutes
after closing the trunk.
Warning!
G
Only drive with the trunk closed. Among
other dangers, such as your view being
blocked, exhaust fumes may enter the
vehicle interior.iDo not place the SmartKey in the open
trunk. You may lock yourself out.
!The trunk lid swings open upwards
automatically.
iThe emergency release button unlocks
and opens the trunk while the vehicle is
standing or driving.

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.

212 Controls in detailLoadingRemoving the ski sack
You can remove the ski sack for cleaning
or drying.
1Button
2Ski sack frame
3Flap
Open trunk lid.

Press button1.
The flap3 opens downward.

Press button1 firmly until ski sack
frame2 is released.

Pull ski sack frame2 with ski sack
out.Installing the ski sack
Install the ski sack in the reverse order.

Push ski sack frame2 with ski sack
inward until the ski sack frame snaps
into place.

Close flap3.

Close trunk lid.
Split rear bench seat*
To expand the cargo area, you can fold
down the left and right rear seat backrests.
The two sections can be folded down
separately.
Warning!
G
Never drive vehicle with trunk open while
the ski sack is removed. Deadly carbon
monoxide (CO) gases may enter vehicle in-
terior, resulting in unconsciousness and
death.iTo prevent unauthorized persons from
accessing the trunk, always close the
flap.
Warning!
G
When expanding the luggage area, always
fold the seat cushions fully forward.
Unless you are transporting cargo, the
backrests must remain properly locked in
the upright position.
In an accident, during hard braking or
sudden 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.