2006 MERCEDES-BENZ E350 4MATIC mechanical key

102 Safety and SecurityAnti-theft systemsThe alarm system will also be triggered
when

someone attempts to raise the vehicle


the vehicle is opened using the
mechanical key


someone opens a door from the inside


someone opens the trunk with the
emergency release buttonArming the alarm system
The indicator lamp located in the central
locking switch in the center console.
1Indicator lamp

Lock the vehicle with the SmartKey or
KEYLESS-GO*.
The turn signal lamps flash three times
to indicate that the alarm system is
armed. The indicator lamp1 begins to
flash after approximately 30 seconds
after arming the alarm system.
iIf the alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid system* (
page 286) provid-
ed Tele Aid service was subscribed to
and properly activated, and that neces-
sary cellular service and GPS coverage
are available.
iIf the turn signal lamps do not flash
three times, one of the following ele-
ments may not be properly closed:

a door


the trunk


the hood
Close the respective element and lock
the vehicle again.

106 Controls in detailIn the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed on your vehi-
cle. If you are already familiar with the
basic functions of your vehicle, this section
will be of particular interest to you.
To quickly familiarize yourself with the ba-
sic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are
given at the beginning of each segment.Locking and unlocking
For more information on locking and un-
locking, see “Getting started” (
page 34)
and (
page 62).
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and
a removable mechanical key. The locking
tabs for the mechanical key portion of the
two SmartKeys are a different color to help
distinguish each key unit.
The SmartKey provides an extended oper-
ating range. To prevent theft, however, it is
advisable to only unlock the vehicle when
you are in close proximity to it.
The SmartKey centrally locks and unlocks

the doors


the trunk


the fuel filler flap
SmartKey with remote control1‹ Lock button
2Š Unlock button for the trunk
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button (
page 91)

109 Controls in detail
Locking and unlocking
Unlocking driver’s door and fuel filler
flap
Press buttonΠonce.

All turn signal lamps flash once.


An acoustic signal sounds once
(if equipped and feature activated).
For more information, see “Factory
setting” (
page 108).


The locking knob in the driver’s
door moves up.


The anti-theft alarm system is dis-
armed.
Global unlocking

Press buttonΠtwice.

All turn signal lamps flash once.


An acoustic signal sounds once
(if equipped and feature activated).


The locking knobs in the doors
move up.


The anti-theft alarm system is dis-
armed.Global locking

Press button‹.

All turn signal lamps flash three
times.


An acoustic signal sounds three
times (if equipped and feature acti-
vated).


The locking knobs in the doors
move down.


The anti-theft alarm system is
armed.
Restoring to factory setting

Press and hold buttonsŒ and‹
simultaneously for about 6 seconds un-
til battery check lamp5 (
page 106)
flashes twice.
!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 110) and re-
place them if necessary
(
page 431).


Use the mechanical key to unlock
the driver’s door (
page 426) and
the trunk (
page 427).


Use the mechanical key to lock the
driver’s door (
page 426) and the
trunk (
page 128).


Have the vehicle battery and the
battery connections checked.
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Center.

110 Controls in detailLocking and unlockingChecking the batteries
Press button‹ orŒ.
Battery check lamp5 (
page 106)
comes on briefly to indicate that the
SmartKey batteries are in order.Unlocking and opening the trunk
You can unlock and open the trunk sepa-
rately.
A minimum height clearance of 5.90 ft
(1.80 m) is required to open the trunk lid.

Press and hold buttonŠ until the
trunk lid unlocks and begins to open.
The trunk can also be opened from its in-
side in an emergency, see “Trunk emer-
gency release” (
page 127).Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:

Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.

Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.

If necessary, have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
iIf battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 431).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within sig-
nal range of the vehicle, pressing the
button‹ orŒ will lock or unlock
the vehicle accordingly.
!The trunk lid swings open upwards au-
tomatically. Always make sure there is
sufficient overhead clearance.
Vehicles with trunk opening/closing
system*: To stop the opening proce-
dure, press buttonŠ. The trunk lid
stops moving.iIf the trunk does not open, it is still
locked separately (
page 128).
iIf the vehicle was previously centrally
locked, the trunk will lock automatical-
ly after closing it.
To confirm locking all turn signal lamps
flash three times.

111 Controls in detail
Locking and unlocking
SmartKey with KEYLESS-GO*
Vehicles equipped with KEYLESS-GO come
with two SmartKeys with KEYLESS-GO,
each with remote control and a removable
mechanical key. The locking tabs for the
mechanical key portion of the two Smart-
Keys with KEYLESS-GO are a different col-
or to help distinguish each SmartKey with
KEYLESS-GO unit.
The function of the SmartKey overrules the
KEYLESS-GO function.
The KEYLESS-GO function is integrated
into the SmartKey. On these vehicles, the
validity of the SmartKey with KEYLESS-GO
is checked every time you pull an outside
door handle.
If the SmartKey with KEYLESS-GO is valid,
your vehicle unlocks

the doors


the trunk


the fuel filler flap
SmartKey with KEYLESS-GO 1‹ Lock button
2Š Unlock button for the trunk
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button (
page 91)
iWhen any outside door handle other
than the driver’s outside door handle is
pulled, the vehicle is centrally un-
locked.
Warning!
G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO with you and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. It is possible for children
to open a locked door from the inside, which
could result in an accident and/or serious
personal injury.!To prevent possible malfunction, avoid
exposing the SmartKey with
KEYLESS-GO to high levels of electro-
magnetic radiation.

116 Controls in detailLocking and unlockingGlobal locking
Press lock button on an outside door
handle (
page 64) or lock button at
trunk lid (page 117).


All turn signal lamps flash three
times.


An acoustic signal sounds three
times (if equipped and feature acti-
vated).


The locking knobs in the doors
move down.


The anti-theft alarm system is
armed.
Restoring to factory setting

Press and hold buttonsŒ and‹
simultaneously for about 6 seconds un-
til battery check lamp5 (
page 111)
flashes twice.Checking the batteries

Press button‹ orŒ.
Battery check lamp5 (
page 111)
comes on briefly to indicate that the
SmartKey batteries are in order.
!If you can no longer lock or unlock the
vehicle with the SmartKey with
KEYLESS-GO, then the batteries in the
SmartKey are discharged, the
SmartKey with KEYLESS-GO is mal-
functioning or the vehicle battery is
drained.

Check the batteries in the
SmartKey with KEYLESS-GO
(page 116) and replace them if
necessary (
page 431).


Use the mechanical key to unlock
the driver’s door (
page 426) and
the trunk (
page 427).


Use the mechanical key to lock the
driver’s door (
page 426) and the
trunk (
page 128).


Have the vehicle battery checked
by an authorized Mercedes-Benz
Center.
If the SmartKey with KEYLESS-GO 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 431).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within sig-
nal range of the vehicle, pressing the
button‹ orŒ will lock or unlock
the vehicle accordingly.

118 Controls in detailLocking and unlockingUnlocking and opening the trunk
You can unlock and open the trunk sepa-
rately.
A minimum height clearance of 5.90 ft
(1.80 m) is required to open the trunk lid.
The handle is located in the rear license
plate recess.
Pull on the handle
or

Press and hold buttonŠ until the
trunk lid unlocks and begins to open.Loss of the SmartKey with KEYLESS-GO
If you lose your SmartKey with
KEYLESS-GO, you should do the following:

Have the SmartKey with KEYLESS-GO
deactivated by an authorized
Mercedes-Benz Center.

Report the loss immediately to your car
insurance company.

Have the mechanical lock replaced if
necessary.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
!The trunk lid swings open upwards au-
tomatically. Always make sure there is
sufficient overhead clearance.
Vehicles with trunk opening/closing
system*: to stop the opening proce-
dure, press buttonŠ. The trunk lid
stops moving.iIf the trunk does not open, it is still
locked separately (
page 128).
iIf the vehicle was previously centrally
locked with KEYLESS-GO, the trunk will
lock automatically after closing it.
To confirm locking all turn signal lamps
flash three times.

128 Controls in detailLocking and unlocking
Valet locking
1Neutral position
2Locked
Close the trunk (
page 122).

Pull the mechanical key out of the
SmartKey (
page 426).

Insert the mechanical key in the trunk
lid lock.

Turn the mechanical key clockwise to
position 2 to lock the trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.

Insert the mechanical key in the trunk
lid lock.

Turn the mechanical key counterclock-
wise to neutral position 1 to unlock
the trunk.
You can now open the trunk
(page 120).
iIf the emergency release button is
pressed and the vehicle was centrally
locked using the SmartKey, the exterior
lamps will flash and the alarm will
sound as the trunk opens.
To cancel the alarm, do one of the
following:

Insert the SmartKey in the starter
switch.


Press button Œ or ‹ on the
SmartKey.
In vehicles with KEYLESS-GO*


Pull an outside door handle.
The SmartKey with KEYLESS-GO
must be within 3 ft (1 m) of the ve-
hicle.


Press the KEYLESS-GO* start/stop
button (
page 37).
The SmartKey with KEYLESS-GO
must be inside the vehicle.
iTo deny any unauthorized person ac-
cess to the trunk, e.g. when you valet
park the vehicle, lock it separately with
the mechanical key. Leave only the
SmartKey or SmartKey with
KEYLESS-GO* less its mechanical key
with the vehicle.
iYou can only cancel the separate trunk
locking mode by means of the
mechanical key.