door lock MERCEDES-BENZ E320 4MATIC WAGON 2003 S210 Owner's Manual

1 Contents
IntroductionProduct information .......................... 7
Operator’s manual ............................. 8
Where to find it ................................ 13
Reporting Safety Defects ................ 15Instruments and controlsInstruments and controls ............... 18
Center console .............................. 20
Overhead control panel ............... 21OperationVehicle keys ...................................... 24
Start lock-out .................................... 26
General notes on the central
locking system ............................. 26
Central locking system ................... 27
Radio frequency and infrared
remote control .............................. 27
Opening and closing windows
and sliding/pop-up roof from
outside ........................................... 30Panic button ..................................31
Mechanical keys ...........................31
Doors ................................................. 32
Central locking switch .................... 34
Automatic central locking .............. 35
Emergency unlocking in case of
accident ........................................ 35
Tailgate .............................................. 36
Antitheft alarm system ................... 39
Tow-away alarm ................................41
Power seats front ............................. 42
Front seat head restraints .............. 48
Rear seat head restraints ............... 49
Multicontour seat .............................51
Seat heater ........................................ 52
Seat ventilation ................................ 55
Seat belts and integrated restraint
system .......................................... 57
Seat belts .......................................... 57
Seat belt nonusage warning
system .......................................... 58
BabySmart
TM airbag deactivation
system .......................................... 65Self-test BabySmart
TM without
special child seat installed ......... 65
Supplemental restraint
system (SRS) ................................ 66
Emergency tensioning
device (ETD) ................................. 67
Airbags .............................................. 68
Safety guidelines for the seat belt,
emergency tensioning device and
airbag ............................................ 75
Infant and child restraint
systems ......................................... 77
Steering wheel adjustment ............ 81
Rear view mirrors ............................ 82
Instrument cluster ........................... 86
Multifunction steering wheel,
multifunction display ................. 92
Trip and main odometer, vehicle
speed, FSS and engine oil level
display .......................................... 96
Audio systems .................................. 97
Radio .............................................. 97
CD player ....................................... 98
Cassette player ............................. 99
Telephone ........................................ 100

22 Contents – Operation
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
OperationVehicle keys ...................................... 24
Start lock-out .................................... 26
General notes on the central
locking system ............................. 26
Central locking system ................... 27
Radio frequency and infrared
remote control .............................. 27
Opening and closing windows
and sliding/pop-up roof from
outside ........................................... 30
Panic button .................................. 31
Mechanical keys ........................... 31
Doors .................................................. 32
Central locking switch .................... 34
Automatic central locking .............. 35
Emergency unlocking in case of
accident ........................................ 35
Tailgate .............................................. 36
Antitheft alarm system ................... 39
Tow-away alarm ................................ 41
Power seats front ............................. 42
Front seat head restraints .............. 48Rear seat head restraints ............... 49
Multicontour seat .............................51
Seat heater ........................................ 52
Seat ventilation ................................ 55
Seat belts and integrated restraint
system .......................................... 57
Seat belts .......................................... 57
Seat belt nonusage warning
system .......................................... 58
BabySmart
TM airbag deactivation
system .......................................... 65
Self-test BabySmart
TM without
special child seat installed ......... 65
Supplemental restraint
system (SRS) ............................... 66
Emergency tensioning
device (ETD) ................................ 67
Airbags .............................................. 68
Safety guidelines for the seat belt,
emergency tensioning device and
airbag ........................................... 75
Infant and child restraint
systems ........................................ 77
Steering wheel adjustment .............81
Rear view mirrors ........................... 82Instrument cluster ........................... 86
Multifunction steering wheel,
multifunction display ................. 92
Trip and main odometer, vehicle
speed, FSS and engine oil level
display .......................................... 96
Audio systems .................................. 97
Radio .............................................. 97
CD player ....................................... 98
Cassette player ............................. 99
Telephone ........................................ 100
Telephone book .......................... 100
Redialing ..................................... 102
Incoming call .............................. 104
Navigation system .......................... 105
Trip computer ................................. 106
Malfunction message memory .... 108
Individual settings ..........................110
Setting the audio volume ..............113
Flexible service system (FSS) .......114
Engine oil level indicator ...............117
Engine oil consumption .................118
Exterior lamp switch ......................119
Night security Illumination ......... 120

25 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,
tailgate, and storage compartment locks.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.
Notes:
Remove the mechanical key from the electronic key
when using valet parking service. To prevent access to
storage compartments lock them separately and retain
the mechanical key.
See page 36 for separate locking of tailgate and
page 163 for locking of glove box.
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.
P80.35-2030-26
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26 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Start lock-out
Important!
Removing the electronic key from the steering lock
activates the start lock-out. The engine cannot be
started.
Inserting the electronic key in the steering lock
deactivates the start lock-out.
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).General notes on the central locking system
If the electronic key is inserted in the steering lock, 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 of either front door
handle. Check the batteries of the electronic key, see
page 304, or synchronize the remote control, see
page 306.
•Use the mechanical key to unlock the vehicle. To
start engine, insert the electronic key in the steering
lock. There could be a slight delay until the
electronic key can be turned in the steering lock.
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
steering lock or press buttonŒ or‹ on the
electronic key.

27 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 304 for checking batteries.
The vehicle doors, tailgate and fuel filler flap can be
centrally locked and unlocked via remote control.
Opening and closing the windows and sliding / pop-up
roof remotely 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 Œ
or ‹.
If the electronic key is inserted in steering lock, the
vehicle cannot be locked or unlocked with the remote
control.1Transmit button
‹ Locking
ΠUnlocking
2Lamp for battery check (see page 304 for changing
batteries if it does not light up briefly)
3PA N I C b u t t o n
4Transmitter eye
5Locking tab for mechanical key
P80.35-2033-26
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28 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
6Infrared receiver in driver’s door handle7Infrared receiver in front passenger door handle
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P80.30-2137-26
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29 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 tailgate.
Global unlocking mode –
Press transmit button Πonce to unlock all doors,
fuel filler flap, and tailgate.
Notes:
If the tailgate was previously locked separately, it will
remain locked, seepage36.
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 tailgate is opened, the
electronic key is not inserted in the steering lock, 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 tailgate 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 304 and 306.

30 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Choosing global or selective mode on remote control
Press and hold transmit buttons ‹ and Œ
simultaneously for five seconds to reprogram the
remote control. Battery check lamp will blink two times
indicating the completed mode change.
Opening and closing windows and
sliding / pop-up roof from outside
(summer opening / convenience feature)
Aim transmitter eye of remote control at a door receiver.
Summer opening:
Continue to press transmit button Πafter unlocking
the vehicle.
The windows and sliding / pop-up roof begin to open
after approximately 1 second.
To interrupt opening procedure, release transmit
button.
Convenience feature:
Continue to press transmit button ‹ after locking
the vehicle.The windows and sliding / pop-up roof begin to close
after approximately 1 second.
To interrupt closing procedure, release transmit button.
Ensure that all side windows and the sliding/pop-up
roof are properly closed before leaving the vehicle.
Note:
If the windows and sliding / pop-up roof cannot be
operated automatically by pressing the transmit button
of t he r emo te c ontr ol then it m ay be n ece ssar y to chan ge
the batteries in the electronic key (if ok, battery check
lamp in electronic key will light briefly when
transmitting), or to synchronize the remote control, see
page 304 and 306.
Wa r n i n g !
Never operate the windows or sliding / pop-up roof
if there is the possibility of anyone being harmed
by the opening or closing procedure.In case the procedure causes potential danger, the
procedure can be immediately halted by releasing
the remote control button. To reverse direction of
movement, press Œ for opening or ‹ for
closing.

31 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Panic button
To activate press and hold button (1) for at least one
second. An audible alarm and blinking exterior lamps
will operate for approximately 3 minutes.
To deactivate press button (1) again, or insert electronic
key in steering lock.Note:
For 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 interference received,
including interference that may cause undesired
operation.
Any unauthorized modification to this device could void
to the user’s authority to operate the equipment.
Mechanical keys
The mechanical keys work only in the driver’s door,
tailgate, and storage compartment locks.
Notes:
The mechanical key does not operate the central locking
system or antitheft alarm system.
The fuel filler flap cannot be locked or unlocked with
the mechanical key.
If the fuel filler flap cannot be opened, see page 308.
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32 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Doors
1Opening – pull handle
2Unlocking driver’s door
3Locking driver’s door
4Individual door from inside:
Push lock button down to lock.
Important!
The mechanical key does not operate the central locking
system or antitheft alarm system.5Front door from inside:
Pull handle to unlock.
When you lock the driver’s door with the mechanical
key, the door lock button should move down.
Each individual door must be locked with the respective
door lock button – the driver’s door can only be locked
when it is closed.
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