2006 MERCEDES-BENZ C55AMG door lock

56 Getting started
Parking and locking
Turning off engine
Place the gear selector lever in
positionP.
Turn the SmartKey in the starter switch
to position0.
Remove the SmartKey from the starter
switch.
The immobilizer is activated.
Releasing seat belts
Press the seat belt release button
(
page 43).
Allow the retractor to completely
rewind the seat belt by guiding the
latch plate.
Locking
i
Always set the parking brake in addi-
tion to shifting to positionP.
On slopes, turn the front wheels
towards the road curb.
i
The SmartKey can only be removed
from the starter switch with the gear
selector lever in positionP.
!
M a k e s u r e t h e s e a t b e l t r e t r a c t s f u l l y s o
that the seat belt and/or latch plate
cannot get caught or pinched in the
door or in the seat mechanism. This
can damage the seat belt and impair
the effectiveness of the seat belt,
and/or cause damage to the door
and/or door trim panel. Such damage
is not covered by the Mercedes-Benz
Limited Warranty.
Damaged seat belts must be replaced.
Contact an authorized Mercedes-Benz
Center.
Warning!G
To prevent possible personal injury, always
keep hands and fingers away from the door
openings when closing the doors. Be espe-
cially careful when small children are
around.
Before closing doors, make sure there is no
possibility of someone getting caught in a
door during closing.
Warning!G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Unsuper-
vised use of vehicle equipment may cause
an accident and/or serious personal injury.

57 Getting started
Parking and locking
Exit the vehicle and close all doors.
After exiting the vehicle, press the lock
button‹ on the SmartKey
(
page 32).

All turn signal lamps flash three
times.

An acoustic signal sounds three
times (if equipped and feature acti-
vated).
For more information, see “Factory
setting” (
page 96).

The locking knobs in the doors
move down.

The anti-theft alarm system* is
armed.For more information, see “Locking and
unlocking” (
page 94).i
With the SmartKey removed and the
driver’s door open, a warning sounds if
the vehicle’s exterior lamps are not
switched off.
The message
Switch off lights ap-
pears in the multifunction display.

73 Safety and Security
Occupant safety
Infant and child restraint systems
Only use a BabySmart
TM compatible child
restraint for the front passenger seat in
this vehicle.
We recommend all infants and children be
properly restrained at all times while the
vehicle is in motion.
All lap-shoulder belts except the driver’s
seat belt have special seat belt retractors
for secure fastening of child restraints.
To fasten a child restraint, follow child
restraint instructions for mounting. Then
pull the shoulder belt out completely and
let it retract. During seat belt retraction,
a ratcheting sound can be heard to indi-
cate that the special seat belt retractor is
activated. The belt is now locked. Push
down on child restraint to take up any
slack.To deactivate, release seat belt buckle and
let seat belt retract completely. The seat
belt can again be used in the usual
manner.
If children open a door, they could

injure other persons

get out of the car and injure themselves
or be injured by following traffic
Do not carry heavy or hard objects in the
passenger or cargo compartment unless
they are firmly secured in place. For more in-
formation, see “Loading” (
page 248) and
“Useful features” (
page 256).
Unsecured or improperly positioned cargo
increases a child’s risk of injury in the event
of

strong braking maneuvers

sudden changes of direction

an accident
Warning!G
Never release the seat belt buckle while the
vehicle is in motion, since the special seat
belt retractor will be deactivated.
i
For information on child seats with an-
chor fittings for tether anchorages, see
“Installation of infant and child re-
straint systems” (
page 77).
For information on child seat anchors -
LATCH-type (
page 79).

80 Safety and Security
Occupant safety
Blocking of rear door window operation
You can block the rear door window
operation (for instance when you have
children riding in the rear passenger
compartment).
The override switch is located on the door
control panel of the driver’s door.
1Deactivating override switch
2Activating override switch
3Override switchActivating override switch
Slide override switch3 to the right.
The rear door windows can no longer
be operated using the respective
switch located in the rear doors.
Deactivating override switch
Slide override switch3 to the left.
The rear door windows can be operated
again using the respective switch
located in the rear doors.
For more information, see “Power win-
dows” (
page 238).
Warning!G
Activate the override switch when children
are riding in the back seats of the vehicle.
The children may otherwise injure them-
selves, e.g. by becoming trapped in the win-
dow opening.
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Unsuper-
vised use of vehicle equipment can cause an
accident and/or serious personal injury.
i
Operation of the rear door windows
with the switches located on the door
control panel of the driver’s door is still
possible.

89 Safety and Security
Anti-theft systems
Arming the alarm system
The indicator lamp is in the center console.
1Indicator lamp (vehicles with tow-away
alarm)1Indicator lamp (vehicles without
tow-away alarm)
Lock the vehicle with the SmartKey.
The turn signal lamps flash three times
and an acoustic signal sounds three
times (if equipped and feature activat-
ed), to indicate that the alarm system is
activated.
Indicator lamp1 begins to flash after
approximately 30 seconds after arming
the alarm system.
i
If the turn signal lamps do not flash
three times, one of the following
elements may not be properly closed:

a door

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

90 Safety and Security
Anti-theft systems
Disarming the alarm system
Unlock the vehicle with the SmartKey.
The turn signal lamps flash once and an
acoustic signal sounds once (if
equipped and feature activated), to
indicate that the alarm system is dis-
armed.
Canceling the alarm
To cancel the alarm:
Press theŒ or‹ button on the
SmartKey.
or
Insert the SmartKey in the starter
switch.
Tow-away alarm*
Depending on vehicle production date,
your vehicle may not be equipped with the
tow-away alarm.
Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone attempts to raise the vehicle.Arming the tow-away alarm
Lock the vehicle with the SmartKey.
The tow-away alarm is automatically
armed after about 30 seconds.
Disarming the tow-away alarm
To prevent triggering the tow-away alarm,
switch off the tow-away alarm feature
before towing the vehicle, or when parking
on a surface subject to movement, such as
a ferry or auto train.
i
The alarm system will rearm automati-
cally after approximately 40 seconds if
neither a door nor the trunk lid was
opened.i
If the alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid system* (
page 264) provid-
ed Tele Aid service was subscribed to
and properly activated, and that neces-
sary cellular service and GPS coverage
are available.
i
When you unlock the vehicle, the
tow-away protection disarms
automatically. The tow-away alarm
remains disarmed until you lock the
vehicle again.

94 Controls in detail
In 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 giv-
en at the beginning of each segment.
For more information on locking and
unlocking, see “Getting started”
(
page 32) and (page 54).
Locking and unlocking
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
SmartKey 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 control
1‹ Lock button
2Š Opening button for trunk
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button* (
page 81).
i
Canada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button6.

95 Controls in detail
Locking and unlocking
Warning!G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you, and lock the vehicle. Do not leave
children unattended 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 injury.
!
To prevent possible malfunction, avoid
exposing the SmartKey to high levels of
electromagnetic radiation.
i
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 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.
i
Canada 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.
i
You can also open or close the power
windows and the tilt/sliding sunroof
using the SmartKey, see “Summer
opening feature” (
page 241) and
“Convenience closing feature”
(
page 241).