2005 MERCEDES-BENZ SLK350 door lock

58 Getting startedParking and lockingTurning off engine 
Manual transmission: Move the gear-
shift lever into first or reverse gear.

Automatic transmission*: Place the
gear selector lever in positionP.

Turn the SmartKey in the starter switch
to position0 and remove the SmartKey
from the starter switch.
The immobilizer is activated.

Press the seat belt release button
(page 46).

Guide the latch plate to allow the re-
tractor to completely rewind the seat
belt.
iAlways set the parking brake in addi-
tion to shifting into first or reverse gear
(automatic transmission*: gear selec-
tor lever in positionP).
On slopes, turn the front wheels to-
wards the road curb.
iVehicles with automatic transmission*:
The SmartKey can only be removed
from the starter switch with the gear
selector lever in positionP.
iWith the SmartKey removed from the
starter switch and the driver’s door
open, a warning sounds if the parking
lamps or low beam headlamps are
switched on (
page 106).
The message Turn off lights
appears
in the multifunction display.

59 Getting started
Parking and locking

Exit the vehicle and close all doors.

Press the lock button‹ on the
SmartKey (
page 34).
With the hood, trunk and all doors
closed, all turn signal lamps flash three
times. The locking knobs on the doors
move down.
The anti-theft alarm system is armed
now (
page 85).
For more information, see “Locking and
unlocking” (
page 90).
iOpening a door causes the windows on
that side of the car to open slightly.
They will return to the up position when
the door is closed.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.
iWithout the antenna on the left rear
side of the vehicle installed, the
SmartKey signaling range is consider-
ably reduced. Hold the SmartKey in
close proximity towards the antenna
base when locking or unlocking the
vehicle.
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.

86 Safety and SecurityAnti-theft systemsArming the alarm system
Lock the vehicle with the SmartKey.
The turn signal lamps flash three times
to indicate that the alarm system is ac-
tivated.
After approximately 15 seconds the in-
dicator lamp in the central locking
switch starts flashing (
page 98).Disarming the alarm system

Unlock your vehicle with the SmartKey.
The turn signal lamps flash once to in-
dicate that the alarm system is deacti-
vated.
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
Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone attempts to raise the vehicle.
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 lid


the fuel filler flap


the glove box


the storage compartment under the
armrest
Close the respective element and lock
the vehicle again.
iThe tow-away protection alarm is trig-
gered, for example, if the vehicle is lift-
ed on one side.
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 257), provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available (
page 257).

90 Controls in detailIn the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed in your vehicle.
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 unlocking and
locking, see (
page 34) and (
page 56).
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 differ-
ent color to help distinguish each Smart-
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 lid


the fuel filler flap


the glove box


the storage compartment under the
armrest
SmartKey with remote control1
‹
Lock button
2
Š
Unlock button for the trunk lid
3Mechanical key locking tab
4ŒUnlock button
5Battery check lamp
6ÂPanic button (
page 78)
iWithout the antenna on the left rear
side of the vehicle installed, the
SmartKey signaling range is consider-
ably reduced. Hold the SmartKey in
close proximity towards the antenna
base when locking or unlocking the
vehicle.

91 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.
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.iYou can also open and close the
retractable hardtop using the
SmartKey* (
page 242).

92 Controls in detailLocking and unlockingFactory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once.
The lock buttons on the doors move up.
The anti-theft alarm system is dis-
armed (
page 85).
The vehicle will lock again automatically
and reactivate the anti-theft alarm system
within approximately 40 seconds of un-
locking if:


neither door nor trunk is opened


the SmartKey is not inserted in the
starter switch


the central locking switch is not
activatedGlobal locking

Press button‹.
With the hood, trunk and all doors
closed, all turn signal lamps flash three
times. The locking knobs on the doors
move down.
The anti-theft alarm system is armed
now (
page 85).Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that press-
ing buttonŒ only unlocks the driver’s
door, the storage compartment under the
armrest, the glove box, and the fuel filler
flap.

Press and hold buttonsŒand‹
simultaneously for about six seconds.
Battery check lamp5 flashes twice.
The SmartKey will then function as fol-
lows:
Unlocking driver’s door and fuel filler
flap

Press buttonΠonce.
All turn signal lamps flash once.
The lock button on the driver’s door
move up. The anti-theft alarm system is
disarmed (
page 85).
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 lid


the fuel filler flap


the glove box


the storage compartment under the
armrest
Close the respective element and lock
the vehicle again.

93 Controls in detail
Locking and unlocking
Global unlocking
Press buttonΠtwice.
All turn signal lamps flash once.
The lock buttons on the doors move up.
The anti-theft alarm system is dis-
armed (
page 85).
Global locking

Press button‹.
With the hood, trunk and all doors
closed, all turn signal lamps flash three
times. The locking knobs on the doors
move down.
The anti-theft alarm system is armed
now (
page 85).
Restoring to factory setting

Press and hold buttonsŒand‹
simultaneously for about six seconds.
Battery check lamp5 flashes twice.
The SmartKey is set to the factory set-
ting again.Unlocking the trunk lid
You can unlock and open the trunk lid sep-
arately.

Press and hold buttonŠ on the
SmartKey until the trunk lid unlocks.
For opening the trunk, see “Opening
the trunk” (
page 95).
Checking the batteries

Press button‹orŒ.
Battery check lamp5 comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.
!If you can no longer lock or unlock the
vehicle with the SmartKey, then 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 and replace them if nec-
essary (
page 378).


Use the mechanical key to lock/un-
lock the driver’s door (
page 374).


Use the mechanical key to lock/un-
lock the trunk lid as required
(page 375).


Have the vehicle battery and the
battery connections checked
(page 396).
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Center.
iIf battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.

Replace the batteries (
page 378).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.

94 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 to your car insurance
company immediately.

If necessary have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
Opening the doors from the inside
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
1Inside door handle
2Locking knob
Pull on door handle1 of the desired
door.
If the door was locked, locking knob2
will move up.
iIf the batteries are checked within sig-
nal range of the vehicle, pressing
button‹orŒ will lock or un-
lock the vehicle accordingly.
iIf the vehicle has previously been cen-
trally locked from the outside with the
SmartKey, opening a door from the in-
side will trigger the anti-theft alarm sys-
tem.
To cancel the alarm, do one of the fol-
lowing:

Press buttonŒor‹ on the
SmartKey.


Insert the SmartKey in the starter
switch.
iOpening a door causes the windows on
that side of the car to open slightly.
They will return to the up position when
the door is closed.