2006 MERCEDES-BENZ SLK280 Owner's Manual

96 Controls in detailLocking and unlockingRestoring to factory setting
Press and hold buttonsŒand‹
simultaneously for about 6 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 98).
!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 398).


Use the mechanical key to lock/un-
lock the driver’s door (
page 394).


Use the mechanical key to lock/un-
lock the trunk lid as required
(page 395).


Have the vehicle battery and the
battery connections checked
(page 421).
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Center.
iThe trunk lid can only be opened when
the vehicle is not in motion and the re-
tractable hardtop is fully opened or
closed.

97 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.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 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 battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.

Replace the batteries (
page 398).
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
button‹orŒ will lock or un-
lock the vehicle accordingly.


98 Controls in detailLocking and unlocking
Opening the trunk
A minimum height clearance of 5.78 ft
(1.76 m) is required to open the trunk lid.
The handle is located above the rear
license plate recess.
Pull on the handle.

Lift the trunk lid.
iIf the vehicle has previously been cen-
trally locked with the SmartKey, open-
ing a door from the inside will trigger
the anti-theft alarm system.
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.!The side windows will not open or close
if the battery is discharged or the win-
dows are covered with ice. As a result,
you may no longer be able to properly
close the door. Do not attempt to force
the door shut. Doing so may damage
the door or the side window. Correct
the condition that prevents the
windows from operating before
attempting to close the door.
!When the trunk lid is lifted slightly, it
swings open upwards automatically.
Always make sure there is sufficient
overhead clearance.


99 Controls in detail
Locking and unlocking
The trunk lid can also be opened from its
inside in an emergency, see “Trunk lid
emergency release” (
page 100).
Closing the trunk
1Handle
Lower the trunk lid using handle1.

Close the trunk lid with hands placed
flat on the trunk lid.
iThe vehicle or trunk lid must be
unlocked before the trunk lid can be
opened.
The trunk lid can only be opened when
the vehicle is not in motion and the re-
tractable hardtop is fully opened or
closed.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
lid opening when closing the trunk lid. Be es-
pecially careful when small children are
around.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.

100 Controls in detailLocking and unlocking
Trunk lid emergency release
The emergency release button is located
on the inside of the trunk lid.
With the emergency release button, the
trunk can be opened from inside the trunk.
1Emergency release button
Briefly press emergency release
button1.
The trunk lid unlocks and opens
slightly.

Push up the trunk lid to fully open.Illumination of the emergency release but-
ton:


The button flashes for 30 minutes after
opening the trunk.


The button flashes for 60 minutes after
closing the trunk.
Warning!
G
Only drive with the trunk lid closed as,
among other dangers such as blocked visi-
bility, exhaust fumes may enter the vehicle
interior.iDo not place the SmartKey in the open
trunk. You may lock yourself out.iIf the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed. The turn signal
lamps will flash three times to confirm
locking.
iThe emergency release button unlocks
the trunk while the vehicle is standing
still or in motion.iThe emergency release button does
not unlock the trunk if the vehicle bat-
tery is discharged or disconnected.

101 Controls in detail
Locking and unlocking
Automatic central locking
The doors and the trunk automatically lock
when the ignition is switched on and the
wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h).
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
You can deactivate the automatic locking
using the control system, see “Setting
automatic locking” (
page 147).
iIf the vehicle has previously been cen-
trally locked with the SmartKey, open-
ing the trunk from the inside will trigger
the anti-theft alarm system.
To cancel the alarm, do one of the fol-
lowing:

Press buttonŒor‹ on the
SmartKey.


Insert the SmartKey in the starter
switch.
iThe doors unlock automatically after an
accident if the force of the impact ex-
ceeds a preset threshold.
To prevent the vehicle door locks from
locking, deactivate the automatic cen-
tral locking when the vehicle

is pushed or towed


is on a test stand

102 Controls in detailLocking and unlockingLocking and unlocking from the inside
You can lock or unlock the doors and the
trunk from inside using the central locking
switch. This can be useful, for example, if
you want to lock the vehicle before starting
to drive.
The fuel filler flap will not be locked or un-
locked with the central locking or unlock-
ing switch, respectively.The switches are located on the upper part
of the center console.
1Central locking switch
2Central unlocking switch
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.

103 Controls in detail
Locking and unlocking
Locking
Press central locking switch1.
If all doors are closed, the vehicle
locks.
Unlocking

Press central unlocking switch2.
The vehicle unlocks.
iYou can open a locked door from the
inside. Open door only when conditions
are safe to do so.
If the vehicle was previously centrally
locked using the SmartKey, it will not
unlock using the central unlocking
switch2.
If the vehicle was previously locked
with the central locking switch1

while in the selective remote con-
trol mode, only the door opened
from inside is unlocked.


while in the global remote control
mode, the vehicle is unlocked com-
pletely when a door is opened from
the inside.