2008 MERCEDES-BENZ CLS500 Owner's Manual

112 Controls in detail
Locking and unlocking
Closing the trunk from the inside
automatically*
In vehicles with trunk opening/closing sys-
tem* you can close the trunk from the in-
side using the remote trunk opening/
closing* switch.
1Remote trunk opening/closing* switch
Press switch1 until the indicator
lamp in the switch goes out and the
trunk is closed.
To interrupt the closing procedure:
Release switch1.Closing the trunk from the outside
automatically*
Warning!G
Maintain sight of trunk area while operating
the door mounted switch. Monitor the clos-
ing procedure carefully to m a k e s u r e t h a t n o
one is in danger of being injured.
To interrupt the closing procedure, press or
pull the door mounted remote trunk open-
ing/closing* switch.
Even with the SmartKey or SmartKey with
KEYLESS-GO* removed from the starter
switch or the SmartKey with KEYLESS-GO*
removed from the vehicle, the remote trunk
opening/closing* switch can be operated.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. A child’s unsupervised access to a
vehicle could result in an accident and/or
serious personal injury.
iIf the trunk lid comes into contact with an
object while closing (e.g. luggage that has been
piled too high) in the upper motion sequence, the
closing procedure is stopped and the trunk re-
opens slightly.
Warning!G
Monitor the closing procedure carefully to
make sure no one is in danger of being in-
jured. To prevent possible personal injury,
always keep hands and fingers away from
the trunk opening when closing the trunk.
Be especially careful when small children
are around. To stop the closing procedure,
do one of the following:

press button Š on the SmartKey or
SmartKey with KEYLESS-GO*

press or pull the remote trunk open-
ing/closing* switch (on the driver’s
door)

press the trunk closing switch

press the KEYLESS-GO locking/clos-
ing* switch

pull the trunk lid handle
Even with the SmartKey or SmartKey with
KEYLESS-GO* removed from the starter

113 Controls in detail
Locking and unlocking
In vehicles with trunk opening/closing sys-
tem* you can close the trunk separately
from the outside using the trunk closing
switch.
Vehicles without KEYLESS-GO*
1Trunk closing switch
Vehicles with KEYLESS-GO*
1Trunk closing switch
Press switch1 briefly.
The trunk closes.Closing trunk and locking vehicle from
outside (vehicles with KEYLESS-GO*)
In vehicles with trunk opening/closing sys-
tem* and KEYLESS-GO, you can close the
trunk and lock the vehicle simultaneously
from the outside using the KEYLESS-GO
locking/closing switch.
1KEYLESS-GO locking/closing switch
Make sure you have the SmartKey with
KEYLESS-GO with you.
switch or the SmartKey with KEYLESS-GO*
removed from the vehicle, the remote trunk
opening/closing* switch can be operated.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. A child’s unsupervised access to a
vehicle could result in an accident and/or
serious personal injury.
iIf the trunk lid comes into contact with an
object while closing (e.g. luggage that has been
piled too high) in the upper motion sequence, the
closing procedure is stopped and the trunk re-
opens slightly.


114 Controls in detail
Locking and unlocking
Press switch1 briefly.
With all doors closed:

The locking knobs in the doors
move down.

The trunk starts to close automati-
cally.

All turn signal lamps flash three
times to confirm locking once the
trunk has closed completely.

An acoustic signal sounds three
times.

The anti-theft alarm system is
armed.
Trunk emergency release
With the emergency release button, the
trunk can be opened from inside the trunk.
1Emergency release button
Briefly press emergency release
button1.
The trunk unlocks and the trunk opens.Illumination of the emergency release
button:

The button will flash for 30 minutes af-
ter opening the trunk.

The button will flash for 60 minutes af-
ter closing the trunk.
iIf the trunk lid comes into contact with an
object while closing (e.g. luggage that has been
piled too high) in the upper motion sequence, the
closing procedure is stopped and the trunk re-
opens slightly.
iThe emergency release button unlocks and
opens the trunk while the vehicle is standing still
or in motion.
iThe emergency release button does not
open the trunk, if the vehicle battery is dis-
charged or disconnected.


115 Controls in detail
Locking and unlocking
Valet locking
1Neutral position
2LockedClose the trunk (page 111).
Remove the mechanical key from the
SmartKey (
page 398).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position2 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 position1 to unlock the
trunk.
You can now open the trunk
(
page 109).
iIf the vehicle has previously been locked us-
ing the SmartKey or KEYLESS-GO*, 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 buttonŒ 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 vehicle.

Press the KEYLESS-GO* start/stop button
(
page 39).
The SmartKey with KEYLESS-GO must be in-
side the vehicle.
iTo deny any unauthorized person access 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 lock-
ing mode by means of the mechanical key.

116 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 ap-
proximately 9 mph (15 km / h) or more.
The locking knobs in the doors move down.
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
mode using the control system
(
page 163).
Locking 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 cannot be locked or un-
locked with the central locking switch.
Central locking switch
1Unlocking
2LockingiThe doors are designed to unlock automati-
cally after an accident if the force of the impact
exceeds a preset threshold. The vehicle locks au-
tomatically when the ignition is switched on and
the wheels are turning at vehicle speeds of ap-
proximately 9 mph (15 km/h) or more. You could
therefore lock yourself out when the vehicle

is pushed or towed

is on a test stand
Warning!G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. A child’s unsupervised ac-
cess to a vehicle could result in an accident
and/or serious personal injury.

117 Controls in detail
Locking and unlocking
Locking
Press lower half 2 of the central lock-
ing switch.
If all doors are closed, the vehicle
locks.
Unlocking
Press upper half1 of the central lock-
ing switch.
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
with the SmartKey or with KEYLESS-GO*, it will
not unlock using the central locking switch.
If the vehicle was previously locked with the cen-
tral locking switch:

and the SmartKey or SmartKey with
KEYLESS-GO* is set to factory settings, the
complete vehicle is unlocked when a door is
opened from the inside

and the SmartKey or SmartKey with
KEYLESS-GO* is set to selective settings,
only the door opened from the inside is un-
locked

118 Controls in detail
Seats
For more information on seat adjustment,
see “Adjusting” (
page 41).
For more information on folding the seats,
see “Loading” (
page 238).
Front seat active head restraints
You cannot remove the active head re-
straint on the driver’s and front passen-
ger’s seats.For removal of the active head restraints
we recommend that you contact an autho-
rized Mercedes-Benz Center.
For information on head restraint adjust-
ment, see “Seat adjustment” (
page 42).
For information on active head restraints,
see “Active head restraints” (
page 81).
Rear seat head restraints
Warning!G
For your protection, drive only with properly
positioned head restraints.
Adjust the head restraint so that the center
of the head restraint supports the back of
the head at eye level. This will reduce the po-
tential for injury to the head and neck in the
event of an accident or similar situation.
Do not drive the vehicle without the seat
head restraints. Head restraints are intend-
ed to help reduce injuries during an acci-
dent.
iAdjust the head restraint in such a way that
it is as close to the head as possible.
Warning!G
For safety reasons, always drive with the
rear head restraints in the upright position
when the rear seats are occupied.
Keep the area around head restraints clear
of articles (e.g. clothing) to not obstruct the
folding operation of the head restraints.
Warning!G
For your protection, drive only with properly
positioned head restraints.
Adjust head restraint so that the head re-
straint supports the back of the head at eye
level. This will reduce the potential for injury
to the head and neck in the event of an ac-
cident or similar situation.
Do not drive the vehicle without the seat
head restraints. Head restraints are intend-
ed to help reduce injuries during an acci-
dent.
Do not interchange head restraints from
front and rear seat.
iThe rear seat head restraints cannot be ad-
justed.

119 Controls in detail
Seats
Folding head restraints back
The rear seat head restraints can be folded
backward for increased visibility.
1Head restraint release switch
Switch on the ignition (page 38).
Press the symbol-side on rocker
switch1 to release the head re-
straints.
The head restraints will fold backward.Placing head restraints upright
Pull the head restraint forward until it
locks into position.
Lumbar support
The curvature of the front seats can be ad-
justed to help enhance lower back support
and seating comfort.
1Adjustment lever
Move adjustment lever1 in direction
of the arrows until you have reached a
comfortable seating position.
!Make sure the head restraints engage when
placing them upright. Otherwise their protective
function cannot be assured.