2001 MERCEDES-BENZ E320 Central locking system

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 .................................... 27
General notes on the
central locking system ............... 28
Central locking system ................... 29
Radio frequency and
infrared remote control ............... 29
Opening the trunk ....................... 32
Opening and closing
windows and sliding/pop-up
roof from outside .......................... 33Panic button ................................. 34
Mechanical keys .......................... 34
Doors ................................................. 35
Central locking switch .................... 37
Automatic central locking .............. 38
Emergency unlocking
in case of accident ...................... 38
Trunk ................................................. 39
Trunk lid release switch .................41
Trunk lid emergency release ........ 42
Antitheft alarm system ................... 43
Tow-away alarm ............................... 45
Power seats front ............................. 46
Front seat head restraints .............. 52
Rear seat head restraints ............... 53
Multicontour seat ............................ 54
Seat heater ........................................ 55
Seat ventilation ................................ 58
Seat belts and integrated
restraint system .......................... 60
Seat belts .......................................... 60
Seat belt nonusage
warning system ........................... 61BabySmart
TM airbag
deactivation system .................... 67
Self-test BabySmart
TM
without special child
seat installed ................................. 67
Supplemental restraint
system (SRS) ................................ 68
Emergency tensioning
retractor (ETR) ............................. 69
Airbags .............................................. 70
Safety guidelines for the
seat belt, emergency
tensioning retractor
and airbag .................................... 76
Infant and child
restraint systems ......................... 78
Steering wheel adjustment ............ 81
Rear view mirrors ............................ 82
Instrument cluster ........................... 86
Multifunction steering wheel,
multifunction display ................. 92
Trip and main odometer,
FSS and engine oil
level display ................................. 96

19 Instruments and controls
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index 1Parking assist warning indicators, see page 226
2Side defroster outlet
3Side air outlet, adjustable
4Air volume control for side air outlet
5Exterior lamp switch, see page 119
6Parking brake release, see page 202
7Hood lock release, see page 257
8Combination switch, see page 122
9Cruise control switch, see page 212
10Instrument cluster, see page 86
11Multifunction steering wheel, see page 92
Horn (with electronic key in steering lock
position 1 or 2),
Airbag, see page 70
12Steering lock with ignition / starter switch, see
page 190
13Voice recognition system switch, see separate
operating instructions
14Center air outlets, adjustable15Air volume control for center air outlets
16Left front seat heater switch, see page 55
Left front seat ventilation switch, see page 58
17Headlamp washer switch, see page 121
18Rear seat head restraints switch, see page 53
19Hazard warning f lasher switch, see page 125
20Central locking switch, see page 37
21Tow-away alarm switch, see page 45
Indicator lamp for antitheft alarm system, see
page 43
22Right front seat heater switch, see page 55
Right front seat ventilation switch, see page 58
23Glove box (illuminated with electronic key in
steering lock position 1 or 2)
24Automatic climate control, see page 126
Rear window defroster switch
Activated charcoal filter switch
25Audio system, see page 135
26Storage / eyeglasses compartment

22 Contents - Operation
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
OperationVehicle keys ...................................... 24
Start lock-out .................................... 27
General notes on the
central locking system ............... 28
Central locking system ................... 29
Radio frequency and
infrared remote control ............... 29
Opening the trunk ....................... 32
Opening and closing
windows and sliding/pop-up
roof from outside .......................... 33
Panic button .................................. 34
Mechanical keys ........................... 34
Doors .................................................. 35
Central locking switch .................... 37
Automatic central locking .............. 38
Emergency unlocking
in case of accident ...................... 38
Trunk ................................................. 39
Trunk lid release switch ................. 41
Trunk lid emergency release ......... 42
Antitheft alarm system ................... 43Tow-away alarm ............................... 45
Power seats front ............................. 46
Front seat head restraints .............. 52
Rear seat head restraints ............... 53
Multicontour seat ............................ 54
Seat heater ........................................ 55
Seat ventilation ................................ 58
Seat belts and integrated
restraint system .......................... 60
Seat belts .......................................... 60
Seat belt nonusage
warning system ........................... 61
BabySmart
TM airbag
deactivation system ................... 67
Self-test BabySmart
TM
without special child
seat installed ................................ 67
Supplemental restraint
system (SRS) ............................... 68
Emergency tensioning
retractor (ETR) ............................ 69
Airbags .............................................. 70Safety guidelines for the
seat belt, emergency
tensioning retractor
and airbag .................................... 76
Infant and child
restraint systems ......................... 78
Steering wheel adjustment ............ 81
Rear view mirrors ............................ 82
Instrument cluster ........................... 86
Multifunction steering wheel,
multifunction display ................. 92
Trip and main odometer,
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

25 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Electronic main key
The electronic main 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 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 main key.
The infrared receivers are located in the front door
handles.
Note:
Remove the mechanical key from the electronic main
key w hen u sing vale t pa rk ing service. To prevent ac cess
to trunk or storage compartments lock them separately
and retain the mechanical key.
See page 39 for separate locking of trunk and page 163
for locking of glove box.
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26 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Electronic reserve key
The electronic reserve key is without remote control
functions, but with removable mechanical key.The electronic reserve key (1) works only in the steering
lock. There are no batteries inside the electronic reserve
ke y.
The mechanical key (2) works only in the driver’s door,
trunk (tailgate), and storage compartment locks.
To use the mechanical key (2), remove it from its
electronic reserve key (1).
Note:
We recommend that you carry the electronic reserve
key plus mechanical key with you and keep it in a safe
place (e.g. your wallet) so that it is always handy. Never
leave the electronic reserve key in the vehicle.
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27 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index 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.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).

28 Central locking system
Technical
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 steering lock, the
vehicle cannot be locked or unlocked with the remote
control.
If the vehicle cannot be locked or unlocked:
•Aim tra nsmitter eye a t a re ceiver of eith er front d oor
handle. Check the batteries of the electronic main
key, see page 291 or to synchronize the remote
control, see page 293.
•Use the mechanical key to unlock the vehicle. To
sta rt engine, insert th e electronic key in th e stee ring
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 main key.

29 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Central locking system
Radio frequency and infrared remote control
The electronic main 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 291 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 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 ‹.
With vehicle centrally locked, the trunk can also be
opened by using the remote control.
If the electronic key is inserted in steering lock, 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 291 for changing
batteries if it does not light up brief ly)
3PA N I C b u t t o n
4Transmitter eye
5Locking tab for mechanical key
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