2002 MERCEDES-BENZ S55AMG key

26 Contents – Operation
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
OperationVehicle keys ...................................... 28
Start lock-out .................................... 31
General notes on the
central locking system ............... 32
Central locking system ................... 33
Radio frequency and
infrared remote control ............... 33
KEYLESS-GO ................................. 36
Opening and closing windows
and sliding / pop-up roof
from outside .................................. 43
Panic button .................................. 45
Mechanical keys ........................... 45
Doors .................................................. 46
Power closing assist for
doors and trunk lid ..................... 48
Central locking switch .................... 48
Automatic central locking .............. 50
Emergency unlocking in
case of accident ........................... 50
Trunk ................................................. 51
Trunk lamp ....................................... 54Trunk lid release switch ................ 55
Trunk lid release/close switch ...... 56
Trunk lid emergency release ........ 59
Antitheft alarm system ................... 60
Tow-away alarm ................................ 61
Easy-entry/exit feature .................. 63
Front seat adjustment ..................... 64
Removal and installation of
front seat head restraints .......... 68
Lumbar support ............................... 69
Multicontour backrest .................... 69
Seat heater ......................................... 71
Seat ventilation system ................... 74
Rear seat head restraints ................ 76
Power head restraints, rear ........... 77
Power seats, rear ............................. 78
Power seats, setting passenger
seat position from rear .............. 80
Seat belts and integrated
restraint system ...........................81
Seat belts ...........................................81
Seat belt nonusage
warning system .......................... 82BabySmart
TM airbag
deactivation system .................... 88
Self-test BabySmart
TM without
special child seat installed ......... 88
Supplemental Restraint
System (SRS) ............................... 89
Emergency tensioning
retractor (ETR) ............................. 90
Airbags .............................................. 91
Safety guidelines for the
seat belt, emergency
tensioning retractor
and airbag .................................... 97
Infant and child
restraint systems ......................... 99
Steering wheel adjustment .......... 102
Rear view mirrors .......................... 103
Memory function ........................... 108
Key dependent
memory settings ........................ 111
Instrument cluster ..........................112
Multifunction steering wheel,
multifunction display ................118

28 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Vehicle keys and KEYLESS-GO-cards (optional)
Included with your vehicle are:
•2 electronic keys with integrated radio frequency
and infrared remote controls plus removable
mechanical key.
The locking tabs for the mechanical key portion of
the two electronic keys are a different color to help
distinguish each individual key.
•Vehicles with KEYLESS-GO:
2 KEYLESS-GO-cards without removable mechanical
key.Vehicles with KEYLESS-GO:
See page 42 on how to use the electronic key together
with the KEYLESS-GO-card.
Important!
In the case of the loss of a KEYLESS-GO-card, electronic
keys or mechanical keys, please, contact an authorized
Mercedes-Benz Center or call 1-800-FOR-MERCedes (in
the USA), or 1-800-387-0100 (in Canada) as soon as
possible to have the keys or KEYLESS-GO-card
deactivated.
Wa r n i n g !
When leaving the vehicle always remove the
electronic key from the starter switch, and lock
your vehicle. Do not leave children unattended in
the vehicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may cause
serious personal injury.

29 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Electronic key
The electronic key has an integrated radio frequency
and infrared remote control, plus removable mechanical
key.
The remote control (1) operates all locks on the vehicle.
The mechanical key (2) works only in the driver’s door,
trunk, and glove box lock.When using the mechanical key (2) for lock operations,
it can be removed by sliding it out of the remote control.
To do so, move locking tab (3) to the right and slide the
mechanical key (2) in direction of arrow (4).
The remote control transmitter is located in the
electronic key.
The infrared receivers are located in the front door
handles.
Note:
Remove the mechanical key from the electronic key
when using valet parking service. To prevent access to
trunk or storage compartments lock them separately
and retain the mechanical key.
See page 51 for separate locking of trunk and page 197
for locking of glove box.
P80.35-2031-26
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3
4
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30 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
KEYLESS-GO-card
The KEYLESS-GO-card (1) does not have a removable
mechanical key.
The functions of the KEYLESS-GO-card (1) are identical
to those of the electronic key. Carrying the card with
you permits the use of the vehicle.The validity of the KEYLESS-GO-card is checked every
time when grasping a door handle or pushing the trunk
lid release. Once the KEYLESS-GO-card is recognized
outside the vehicle, the doors, trunk lid and fuel filler
flap are unlocked, depending on the selected mode
(global or selective unlocking mode, see page 41).
Starter switch KEYLESS-GO, see page 230.
Starting and turning off the engine with KEYLESS-GO,
see page 236 and page 236.
Note:
In the case of a malfunction in the KEYLESS-GO-system,
we recommend that you carry the electronic key plus
mechanical key with you and keep them in a safe place
so that they are always handy. Never leave the electronic
key or a KEYLESS-GO-card in the vehicle.
Obtaining replacement keys
Your vehicle is equipped with a theft deterrent locking
system requiring a special key manufacturing process.
For security reasons, replacement keys can only be
obtained from your authorized Mercedes-Benz Center.
P80.30-2029-26
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31 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Start lock-out
Important!
Operating with electronic key:
Removing the electronic key from the starter switch
activates the start lock-out. The engine cannot be
started.
Inserting the electronic key in the starter switch
deactivates the start lock-out.
Operating with KEYLESS-GO:
Turning off the engine with the start- / stop button on
the gear selector lever activates the start lock-out. For
turning off the engine with KEYLESS-GO, see page 236.
Starting the engine with the start- / stop button
deactivates the start lock-out, if a valid KEYLESS-GO-
card is recognized inside the vehicle. For starting the
engine with KEYLESS-GO, see page 236. The engine
cannot be started with a KEYLESS-GO-card outside the
vehicle.Note:
In case the engine cannot be started (vehicle’s battery is
in order), 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).

32 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
General notes on the central locking system
If the electronic key is inserted in the starter switch, the
vehicle cannot be locked or unlocked with the remote
control.
If the vehicle cannot be locked or unlocked:
•Aim transmitter eye at a receiver on either front
door handle. Check the batteries of the electronic
key, see page 371, or synchronize the remote
control, see page 373.
•Use the mechanical key to unlock the vehicle. To
start engine, insert the electronic key in the starter
switch. There could be a slight delay until the
electronic key can be turned in the starter switch.
•Vehicles with KEYLESS-GO only:
A KEYLESS-GO-card must be recognized by the
system as being outside the vehicle to enable the
vehicle to be locked or unlocked (maximum distance
between card and doors or trunk is approx. 3 ft.
(1 m). Check the location of the KEYLESS-GO-card,
see page 36. Check the batteries of the KEYLESS-
GO-card, see page 374. The trunk lid will open
automatically if a KEYLESS-GO card is detected in
the trunk, see page 36.Note:
If neither the remote control nor KEYLESS-GO system
functions, use the mechanical key to unlock or lock the
vehicle. To start engine, insert the electronic key in the
starter switch. There could be a slight delay until the
electronic key can be turned in the starter switch.
Important!
When unlocking the driver’s door with the mechanical
key, 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 with the optional KEYLESS-GO-
system, when carrying a KEYLESS-GO-card, by grasping
a door handle or pressing the start- / stop button on the
gear selector lever.

33 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Central locking system
Radio frequency and infrared remote control
The electronic key has an integrated radio frequency
and infrared remote control.
Due to the extended operational range of the remote
control, it could be possible to unintentionally lock or
unlock the vehicle by pressing the transmit button. If
one of the transmit buttons is pressed, the battery check
lamp lights up briefly – indicating that the batteries are
in order. See page 371 for checking batteries.
The vehicle doors, trunk and fuel filler flap can be
centrally locked and unlocked via remote control.
Opening and closing the windows and sliding/pop-up
roof and switching on the driver’s seat ventilation can
only be done with the infrared portion of the remote
control. Aim transmitter eye at a receiver (6 or 7), press
and hold transmit button Œor ‹, seepage43.
With vehicle centrally locked, the trunk can also be
opened by using the remote control.
If the electronic key is inserted in starter switch, the
vehicle cannot be locked or unlocked, and the trunk lid
cannot be opened with the remote control.1Transmit button
‹ Locking
ΠUnlocking
Š Opening trunk (if not separately locked)
2Lamp for battery check (see page 371 for changing
batteries if it does not light up briefly)
3PANIC button
4Transmitter eye
5Locking tab for mechanical key
P80.35-2032-26
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3
5
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35 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Locking and unlocking with remote control
Unlocking:
Press transmit button Œ. All turn signal lamps blink
once to indicate that the vehicle is unlocked.
The remote control can be programmed for two kinds of
unlocking modes (see below):
Selective unlocking mode –
Press transmit button Œ o nce to un lock dr iver’s d oor
and fuel filler flap.
Press transmit button Πtwice to unlock all doors,
fuel filler flap, and trunk.
Global unlocking mode –
Press transmit button Πonce to unlock all doors,
fuel filler flap, and trunk.
Notes:
If the trunk was previously locked separately, it will
remain locked, see page 51.
The presently active unlocking mode (selective or
global) can only be determined by unlocking the vehicle
with the remote control (see below for changing mode).If within 40 seconds of unlocking with the remote
control, neither door nor trunk is opened, the electronic
key is not inserted in the starter switch, or the central
locking switch is not activated, the vehicle will
automatically lock.
Locking:
Press transmit button ‹ once. All turn signal lamps
blink three times to indicate that the vehicle is locked. If
they do not blink three times, a door or trunk is not
properly closed.
Note:
If the vehicle cannot be locked or unlocked by pressing
the transmit button, then it may be necessary to change
the batteries in the electronic key (if ok, battery check
lamp in electronic key will light briefly when pressing
transmit button) or to synchronize the remote control,
see pages 371 and 373.
Choosing global or selective mode on remote control
Press and hold transmit buttons‹ andŒ
simultaneously for five seconds to reprogram the
remote control. Battery check lamp will blink two times
indicating the completed mode change.