Trunk key MERCEDES-BENZ S500 2002 W220 Owner's Guide

53 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Vehicles with trunk lid opening / closing system:
Press trunk lid button (2) briefly. The trunk lid closes
automatically.
The trunk lid can also be closed with the trunk lid
opening / closing switch located on the driver’s door, see
page 56.Notes:
The automatic closing process is interrupted if the
trunk lid is pushed against an object. The trunk lid will
reverse slightly and stop. In its final closing stage the
hydraulic power closing assist mechanism releases the
trunk lid which then drops into the lock by its own
weight. Now the trunk lid will stop but not reverse
slightly.
Investigate and correct the cause of interruption.
Now press trunk lid button (2) again to close the trunk
lid.
P54.25-2403-26
Wa r n i n g !
To prevent possible personal injury, always keep
hands and fingers away from the trunk opening
when closing the trunk lid. Be especially careful
when small children are around.Always be sure persons who might get injured are
away from the trunk area when you operate the
trunk closing button located on the vehicle door.To interrupt the hydraulic power closing assist
mechanism press trunk lid close button (2) inside
the trunk lid, push in trunk lid lock or press
buttonŠ on the electronic key.

54 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
In case of a malfunction the trunk lid can be opened and
closed manually.
To open, unlock trunk lid with the mechanical key and
open lid by hand, see page 51.
To close, lower trunk lid with hands placed flat on trunk
lid. Please remember to keep your fingers out of the
space between the lid and the vehicle.
Vehicles with KEYLESS-GO:
To prevent a possible inadvertent lockout, the trunk lid
will open automatically if a KEYLESS-GO-card is
recognized in the area of the rear shelf or inside the
trunk.Trunk lamp
The trunk lamp will switch off after approximately
10 minutes if the trunk lid is left open.

55 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trunk lid release switch
(Vehicles without trunk lid opening / closing system)
The switch is located on the driver’s door.The trunk lid will swing open automatically. You should
always make sure there is sufficient clearance.
A minimum height clearance of 6 ft. (1.85 m) is
required to open the trunk lid.
To open the trunk, the vehicle must be at standstill. Pull
up on switch until trunk lid is open.
The indicator lamp in the switch remains on with trunk
lid open.
Notes:
The trunk can also be opened by using the remote
control. Press Šbutton.
The trunk lid cannot be opened by the switch or the
remote control when previously locked separately with
the mechanical key. To open, see page 51.
The trunk lid cannot be opened with the trunk lid
release switch when the vehicle was previously locked
with the remote control. To unlock vehicle with the
remote control, see page 33.

57 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Notes:
The automatic closing process is interrupted, if the
trunk lid is pushed against an object. The trunk lid will
reverse slightly and stop. In its final closing stage the
hydraulic power closing assist mechanism releases the
trunk lid which then drops into the lock by its own
weight. Now the trunk lid will stop but not reverse
slightly.
Investigate and correct the cause of interruption.
Now press trunk lid opening/closing switch again to
close the trunk lid.
In case of a malfunction the trunk lid can be opened and
closed manually.
To open, unlock trunk lid with the mechanical key and
open lid by hand, see page 51.
To close, lower trunk lid with hands placed flat on trunk
lid. Please remember to keep your fingers out of the
space between the lid and the vehicle.The trunk can also be opened by using the remote
control. PressŠ button.
The trunk lid cannot be opened by the switch or the
remote control when previously locked separately with
the mechanical key. To open, see page 51.
The trunk lid cannot be opened with the trunk lid
opening/closing switch when the vehicle was
previously locked with the central locking switch. To
unlock vehicle with the central locking switch, see
page 48.
Ve h i c l e s w i t h K E Y L E S S - G O :
To prevent a possible inadvertent lockout, the trunk lid
will open automatically if a KEYLESS-GO-card is
recognized in the area of rear shelf or inside the trunk.

59 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trunk lid emergency release
The emergency release button (1) is located in the trunk
lid.
Briefly press emergency release button (1).
The trunk unlocks and the trunk lid opens.Important!
The emergency release button (1) does not open the
trunk lid, if the vehicle battery is discharged or
disconnected.
Illumination of the emergency release button (1):
The button will blink for 30 minutes after opening the
trunk.
The button will blink for 60 minutes after closing the
trunk.
Note:
When pressing the emergency release button while the
vehicle was centrally locked, the exterior lamps will
flash and the alarm will sound.
To cancel the alarm, insert the electronic key in the
starter switch or press buttonŒ or‹ on the
electronic key or (vehicles with KEYLESS-GO) when
carrying the KEYLESS-GO-card, grasp the door handle
or press the start-/stop button on the gear selector lever.
1

60 Antitheft alarm system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Antitheft alarm system
1Indicator lamp in switch located in center console
The antitheft alarm is automatically armed or disarmed
with the remote control or the KEYLESS-GO function, by
locking or unlocking the vehicle.The antitheft alarm is armed within approximately
10 seconds after locking the vehicle with the remote
control or the lock button at each door handle (vehicles
with KEYLESS-GO).
A blinking lamp (1) indicates that the alarm is armed.
Operation:
Once the alarm system has been armed, the exterior
vehicle lamps will flash and an alarm will sound when
someone:
•opens a door,
•opens the trunk,
•opens the hood,
•attempts to raise the vehicle.
The alarm will last approximately 2
1/2minutes in form
of flashing exterior lamps. At the same time an alarm
will sound for 30 seconds. The alarm will stay on even if
the activating element (a door, for example) is
immediately closed. If the alarm stays on for more than
20 seconds, an emergency call is initiated automatically.
See Tele Aid on page 218.

226 Tele Aid
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Remote door unlock
In the case you have your vehicle locked unintentionally
(e.g. key inside vehicle), and no other key is available,
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 password
which you provided when you completed the subscriber
agreement.
Then return to your vehicle and press trunk lock for
minimum of 20 seconds until the “SOS” button is
flashing. The message “EMERGENCY CALL – CALL
CONNECTED” appears in the multifunction display.
As an alternative, you may unlock the vehicle 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.Notes:
The remote door unlock feature is available if the
relevant cellular phone network is available.
The SOS button will flash and the message
“EMERGENCY CALL – CALL CONNECTED” 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 button was pressed for more than
20 seconds before door unlock authorization was
received by the Response Center, you must wait
15 minutes before pressing the trunk button again.

301 Contents – Instrument cluster display
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Instrument cluster displayMalfunction and indicator
lamps in the
instrument cluster ....................302
On-board diagnostic
system ..........................................302
Check engine malfunction
indicator lamp .............................302
Brake warning lamp ..................304
Supplemental restraint system
(SRS) indicator lamp ..................305
Fuel reserve warning .................305
ABS malfunction
indicator lamp .............................306
Electronic stability program
(ESP) — warning lamp ...............307
Distronic (DTR) –
warning lamp ..............................307
Seat belt nonusage
warning lamp ..............................308Malfunction and indicator
lamp in the
center console ........................... 308
AIRBAG OFF indicator lamp .... 308
Malfunction and warning
messages in the
multifunction display .............. 309
DISPLAY DEFECTIVE ................. 310
BATTERY/ALTERNATOR ........... 311
ENTRANCE POSITION ...............312
BRAKE ASSIST ............................312
BRAKE LINING WEAR ............... 313
BRAKE FLUID ............................. 313
PARKING BRAKE ........................ 314
TRUNK OPEN .............................. 314
ELEC. STABIL. PROG.
(Electronic stability
program) ...................................... 315
COOLANT
(coolant level) .............................. 316
COOLANT
(coolant temperature) ................ 317LIGHTING SYSTEM .................... 318
LIGHT SENSOR ...........................320
ACTIVE BODY CONTROL
(ABC) ............................................320
TIRE PRESSURE .........................322
ENGINE OIL LEVEL ...................324
CRUISE CONTROL .....................325
KEY ...............................................325
DOOR ...........................................326
HOOD ...........................................326
TELE AID .....................................327
CHIP-CARD
(KEYLESS-GO) ............................328
SELECTOR LEVER ......................329
TELEPHONE – FUNCTION .......329
WASHER FLUID .........................330
AIR SPRING (AirMatic) ............. 331
DISTRONIC (DTR) ......................332
AIR CLEANER .............................333

376 Emergency engine shut-down
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Emergency engine shut-down
If the engine can no longer be stopped using the
electronic key or the start- / stop button (vehicles with
KEYLESS-GO), the engine can be turned off by
withdrawing two fuses.
For easy removal of fuses use the fuse extractor
(supplied with vehicle tool kit) to pull out the fuses
marked on the fuse chart as “ENGINE EMERGENCY
OFF”.
The fuse chart is also located in the vehicle tool kit,
seepage346.
For fuses see page 337.Fuel filler flap, manual release
Pull back the trim inside the trunk on the right-hand
side. Pull the release knob (arrow) and open the fuel
filler flap.
P80.20-0538-26

418 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
ENTRY POSITION ..................................................... 312
ESP .............................................................................. 315
HOOD .......................................................................... 326
KEY .............................................................................325
LAMP SENSOR ..........................................................320
LIGHTING SYSTEM ................................................... 318
PARKING BRAKE ...................................................... 314
SELECTOR LEVER ....................................................329
TELE AID .................................................................... 327
TELEPHONE – FUNCTION ...................................... 329
TIRE PRESSURE ........................................................ 322
TRUNK OPEN ............................................................ 314
WASHER FLUID ........................................................ 330
Manual operation of sliding/pop-up roof ................... 377
Manual release for fuel filler flap ............................... 376
Mechanical keys ........................................................ 29, 45
Memory ................................................. 102, 103, 104, 108
Recalling ..................................................................... 109
Storing ........................................................................ 109
Mirror, exterior
Adjusting .................................................................... 104
Parking position ........................................................ 105
Mirror, exterior, rear view ............................................ 104
Mirror, inside, rear view ............................................... 103
Multicontour backrest ..................................................... 69Multifunction display .................................................... 118
Audio systems ............................................................124
Cassette player .......................................................... 126
CD player ....................................................................125
Distronic (DTR) .......................................................... 133
Engine oil level indicator .........................................122
FSS ...............................................................................122
Individual settings .................................................... 138
Malfunction/warning message memory ............... 136
Navigation system ..................................................... 132
Radio ...........................................................................124
Telephone ...................................................................127
Telephone – Incoming call ...................................... 131
Telephone – Redialing .............................................. 129
Telephone book ......................................................... 127
Tire inflation pressure monitor ..............................122
Trip and main odometer and sub menu ................122
Trip computer ............................................................ 134
Vehicle speed .............................................................122
Multifunction steering wheel ....................................... 118
Setting the audio volume ......................................... 148