2005 MERCEDES-BENZ E55AMG keyless

96 Safety and SecurityAnti-theft systemsDisarming the tow-away alarm
To prevent triggering the tow-away alarm
feature, switch off the tow-away alarm be-
fore towing the vehicle, or when parking on
a surface subject to movement, such as a
ferry or auto train.
The button is located on the overhead con-
trol panel.
1Tow-away alarm off button

Switch off the ignition and remove the
SmartKey from the starter switch.

Press button1.
The indicator lamp in the button comes
on briefly.

Exit and lock your vehicle with the
SmartKey or (vehicles with
KEYLESS-GO*) the lock button at each
door handle.
The tow-away alarm remains disarmed un-
til you lock your vehicle again.Canceling tow-away alarm
To cancel the alarm:
With the SmartKey

Insert the SmartKey in the starter
switch.
or

Press the Œ or ‹ button on the
SmartKey.
With KEYLESS-GO*

Grasp the outside door handle.
or

Press the KEYLESS-GO start/stop but-
ton.
iYou cannot disarm the tow-away alarm
when the ignition is switched on.

102 Controls in detailLocking and unlockingLoss 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.
SmartKey with KEYLESS-GO*
Specially equipped vehicles come with two
SmartKeys with KEYLESS-GO, each with
remote control and a removable mechani-
cal key. The locking tabs for the mechani-
cal key portion of the two SmartKeys with
KEYLESS-GO are a different color 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 grasp a door
handle.
If the SmartKey with KEYLESS-GO is valid,
your vehicle unlocks

the doors


the trunk lid


the fuel filler flap
SmartKey with KEYLESS-GO 1‹ Lock button
2Š Unlock button for the trunk lid
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button (
page 84)
iIf the vehicle was previously centrally
locked, the trunk will lock automatical-
ly after closing it. The turn signals flash
three times to confirm locking.
iWhen any outside door handle other
than the driver’s outside door handle is
grasped, the vehicle is centrally un-
locked.

103 Controls in detail
Locking and unlocking
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 looked 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.
iUSA 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 inter-
ference received, including interfer-
ence that may cause undesired
operation.
Any unauthorized modification to this
device could void the user’s authority
to operate the equipment.
iCanada only:
This device complies with RSS-210 of
Industry Canada. Operation is subject
to the following two conditions:
(1) This device may not cause interfer-
ence, and
(2) this device must accept any inter-
ference received, including interfer-
ence that may cause undesired
operation of the device.
Any unauthorized modification to this
device could void the user’s authority
to operate the equipment.iIf the vehicle has been parked for a
longer period of time, you must grasp
the outside door handle in order to ac-
tivate the KEYLESS-GO function.

104 Controls in detailLocking and unlocking
Important notes on using KEYLESS-GO

You can also use the SmartKey with
KEYLESS-GO like a normal SmartKey
(page 98).


You can combine KEYLESS-GO func-
tions with normal SmartKey functions
(e.g. unlocking with KEYLESS-GO and
locking with the ‹ button).


Always carry the SmartKey with
KEYLESS-GO with you.


Never store the SmartKey with
KEYLESS-GO together with:

electronic items such as a cellular
phone or another SmartKey with
KEYLESS-GO


metallic objects such as coins or
metal foil
Doing so could impair the function of
the KEYLESS-GO system.


To lock or unlock the vehicle, the
SmartKey with KEYLESS-GO must be
located outside the vehicle within ap-
proximately 3 ft (1 m) of a door or the
trunk.


In order to start the engine with the
SmartKey with KEYLESS-GO:

The SmartKey with KEYLESS-GO
must be located in the vehicle.


All the doors must be closed.


The brake pedal must be firmly de-
pressed. Do not depress the accel-
erator.


If you have started the engine with the
KEYLESS-GO start/stop button
(page 36), you can only turn it off
again with this button, even if you have
put the SmartKey in the starter switch
in the meantime.
This does not apply if, after starting, the
selector lever is still in positionP and
then the SmartKey is inserted in the
starter switch. The SmartKey will then
have priority over the KEYLESS-GO
iYou can also open and close the power
windows (
page 218) and tilt/sliding
sunroof* (page 223) or tilt/sliding
panel* (
page 229) using the Smart-
Key.
iWhen you unlock the vehicle, the SBC
brake system is activated (
page 90).

105 Controls in detail
Locking and unlocking
function and the vehicle’s electrical
system will operate according to the
position of the SmartKey in the starter
switch, even stopping the engine.


If the SmartKey with KEYLESS-GO is
positioned farther away from the vehi-
cle, the system may no longer recog-
nize the SmartKey with KEYLESS-GO.
The vehicle cannot be locked or the en-
gine started via the KEYLESS-GO sys-
tem.


If the SmartKey with KEYLESS-GO is re-
moved from the vehicle while the igni-
tion is switched on (e.g. if passenger
exits the vehicle with the SmartKey
with KEYLESS-GO), the message
Key
not recognized
will appear in the mul-
tifunction display while driving off.
Find the SmartKey or change its
present location immediately (e.g.
place it on the front passenger seat or
insert it in shirt pocket).


Remember that the engine can be
started by anyone with a SmartKey
with KEYLESS-GO that is left inside the
vehicle. If you leave the SmartKey with
KEYLESS-GO behind when exiting and
locking the vehicle, the message
Key
still in vehicle
will appear in the
multifunction display.
Factory setting
Global unlocking

Grasp the outside door handle.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.
The vehicle will lock again automatically
and reactivate the anti-theft alarm system
within approximately 40 seconds if:


neither door nor trunk is opened


the central locking switch is not acti-
vated.Global locking

Press lock button at the outside door
handle (
page 58) or trunk lid
(
page 107).
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
iThe vehicle could be inadvertently un-
locked if the SmartKey with
KEYLESS-GO is within 3 ft (1 m) of the
vehicle and

the outside door handle is splashed
with water, or


you attempt to clean the outside
door handle.

106 Controls in detailLocking and unlockingSelective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so when you grasp the driv-
er’s door handle only the driver’s door and
the fuel filler flap unlocks.
Press and hold buttonsŒ and‹
simultaneously for about five seconds
until battery check lamp5 flashes
twice.
The SmartKey with KEYLESS-GO will
then function as follows:
Unlocking driver’s door and fuel filler
flap

Press buttonΠonce.
All turn signal lamps flash once. 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. 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.
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 six seconds
until battery check lamp5 flashes
twice.
!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 107) and replace them if
necessary (
page 415).


Use the mechanical key to unlock
the driver’s door (
page 410).


Have the vehicle battery checked
by an authorized Mercedes-Benz
Center.


Use the mechanical key to lock the
driver’s door (
page 410).
If the SmartKey with KEYLESS-GO is
malfunctioning, contact an authorized
Mercedes-Benz Center.

107 Controls in detail
Locking and unlocking
Checking the batteries
Press button‹ orŒ.
Battery check lamp5 comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.Global locking using the lock button at
trunk lid
1Lock button at trunk lid

Press lock button at trunk lid1.
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
!If battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 415).
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.
iTo prevent a possible inadvertent lock-
out, the trunk will open automatically if
a SmartKey with KEYLESS-GO is recog-
nized inside the vehicle or in the trunk.
iIf the vehicle was previously centrally
locked with KEYLESS-GO, the trunk will
lock automatically after closing it. The
turn signals flash three times to con-
firm locking.iYou can also lock the vehicle using the
lock button at outside door handle
(page 105) or KEYLESS-GO locking/
closing switch (
page 116).

108 Controls in detailLocking and unlockingUnlocking and opening the trunk lid
You can unlock and open the trunk lid sep-
arately.
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 opens.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 lid opening/closing
system*: to stop the opening proce-
dure, press buttonŠ on the
SmartKey with KEYLESS-GO. The trunk
lid stops moving.iIf the vehicle was previously centrally
locked with KEYLESS-GO, the trunk will
lock automatically after closing it. The
turn signals flash three times to con-
firm locking.