2004 MERCEDES-BENZ C320 4MATIC WAGON child lock

70 Safety and SecurityOccupant safetyInstallation of infant and child restraint
systems
Anchorage rings1 are located on the
back side of the outer rear backrests and
on the floor behind the rear center seat.
1Anchorage ring
2Hook
Prior to installing a tether strap, note the
following steps:
Roll up retractable luggage cover and
partition net.

Fold the rear backrest forward
(page 211).

Guide top tether strap between head
restraint and top of seat back.
Head restraints must be installed (if re-
movable) and positioned such that the
top tether strap can pass freely
between the head restraint and top of
the seat back.
Make sure the tether strap is not twist-
ed.

Fold the rear backrest back until it
locks in place (
page 212).1Anchorage ring
2Hook

Fold up anchorage ring1.

Securely fasten hook2, which is part
of the tether strap, to anchorage
ring1.
iIf the top tether strap is to be installed
on the left back side of the rear back-
rest, you must first remove the
twin-reel roller blind (
page 210).
The tether strap has to run through the
locking mechanism of the twin-reel
roller blind.
Warning!
G
Always lock backrest in its upright position
when rear seat bench is occupied by pas-
sengers, or the extended cargo area is not in
use. Check for secure locking by pushing
and pulling on the backrest.

71 Safety and Security
Occupant safety
Child seat anchors – LATCH-type
This vehicle is equipped with two LATCH-
(Lower A
nchors and T
ethers for CH
ildren)
type anchors (at each of the outer rear
seats) for the installation of a LATCH-type
child seat with the matching mounting
fittings.
If a child seat is not installed, the
LATCH-type anchors can be folded back
between the seat cushion and the
backrest.1Anchors
2Button

Grip inner side of anchors1 and fold
forward until they audibly lock in place.

Install child seat according to the
manufacturer’s instructions.To fold anchors back

Press down button2 on each anchor
and return anchor1 to its catch.
iFor safety, make sure the hook has at-
tached to the ring beyond the safety
catch, as illustrated.
iThe child seat must be firmly attached
in the right and left side anchors1.
With a child seat installed in the left
rear seat, the seat belt for the center
seat occupied by a passenger must op-
erate freely. Guide seat belt between
its seat cushion mount and backrest
mount along outside of right side child
seat anchor.iNon-LATCH-type child seats may also
be used and can be installed using the
vehicle’s seat belt system. Install child
seat according to the manufacturer’s
instructions.

72 Safety and SecurityOccupant safety
Blocking of rear door window operation
The override switch is located on the door
control panel of the driver’s door.
1Override switch
Slide override switch1 to the right.
The rear door windows can no longer
be operated using the switch located in
the rear doors.For more information, see “Power win-
dows” (
page 196).
Warning!
G
Children too big for child restraint systems
must ride in back seats using regular seat
belts. Position shoulder belt across chest
and shoulder, not face or neck. A booster
seat may be necessary to achieve proper
belt positioning for children from 41 lbs until
they reach a height where a lap/shoulder
belt fits properly without a booster.
Before installing the child seat, make sure
anchors1 are folded out and locked in
place.
Install child seat according to manufactur-
er’s instructions.
T h e c h i l d s e a t m u s t b e f i r m l y a t t a c h e d i n t h e
right and left side anchors1.
An incorrectly mounted child seat may come
loose during an accident which could result
in serious injury or death to your child.
Damaged or impact damaged child seats or
child seat anchors1 must be replaced.
Do not leave children unattended in the
vehicle, even if the children are secured in a
child restraint system.
iOperation of the rear door windows
with the switches located on the door
control panel of the driver’s door is still
possible.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, and lock
the vehicle. Do not leave children unattend-
ed in the vehicle, or with access to an un-
locked vehicle. Unsupervised use of vehicle
equipment may cause an accident and/or
serious personal injury.

85 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The vehicle will lock again automatically
within approximately 40 seconds of
unlocking if:


neither door nor tailgate is opened


the SmartKey is not inserted in the
starter switch


the central locking switch is not
activatedGlobal locking

Press button‹.
All turn signal lamps flash three times.
The locking knobs in the doors move
down.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressingŒ only unlocks the driver’s
door and the fuel filler flap.

Press and hold buttonsŒ and‹
simultaneously for about five seconds
until battery check lamp4 flashes
twice.
The SmartKey will then function as
follows:
Unlocking driver’s door and fuel filler
flap
Press buttonΠonce.Global unlocking

Press buttonΠtwice.
Global locking

Press button‹.
Restoring to factory setting

Press and hold buttonsŒ and‹
simultaneously for about six seconds
until battery check lamp4 flashes
twice.
!To prevent possible malfunction, avoid
exposing the SmartKey to high levels of
electromagnetic radiation.
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.

88 Controls in detailLocking and unlockingClosing the tailgate
1Handle
Lower tailgate by pulling firmly on
handle1.

Close tailgate with hands placed flat on
it.
Automatic central locking
The doors and the tailgate automatically
lock when the ignition is switched on and
the wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or more.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
iThe vehicle must be unlocked.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the tail-
gate opening when closing the tailgate. Be
especially careful when small children are
around.Warning!
G
Only drive with the tailgate closed as
exhaust fumes may enter the vehicle
interior.iDo not place the SmartKey in the open
cargo compartment. You may lock
yourself out.
iThe doors unlock automatically after an
accident if the force of the impact
exceeds a preset threshold.
The vehicle automatically locks when
the ignition is switched on and the
wheels are turning at vehicle speeds of
approximately 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

89 Controls in detail
Locking and unlocking
For more information on towing the vehi-
cle, see “Towing the vehicle” (
page 329).
You can deactivate the automatic locking
using the control system, see “Setting au-
tomatic locking” (
page 131).
Locking and unlocking from the inside
You can lock or unlock the doors and the
tailgate from inside using the central lock-
ing switch. This can be useful, for example,
if you want to lock the vehicle before start-
ing to drive.
The fuel filler flap cannot be locked or un-
locked with the central locking switch.The switch is located in the center console.
Central locking switch1Locking
2Unlocking
Locking
Press upper switch position1 of
central locking switch.
If all doors are closed, the vehicle
locks.Unlocking

Press lower switch position2 of
central locking switch.
The vehicle unlocks.
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.
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 locking switch.
If the vehicle was previously locked
with the central locking switch

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


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

90 Controls in detailSeats
SeatsFor information on seat adjustment, see
“Seats” (
page 32).
Easy-entry/exit feature*
With the easy-entry/exit feature activated,
the steering wheel tilts upwards and the
driver’s seat moves to the rear.
This allows easier entry into and exit from
the vehicle when the driver’s door is
opened. However, the engine must be
turned off.
When the SmartKey is inserted in the
starter switch and the driver’s door is
closed, the steering wheel and the driver’s
seat return to their last set positions.You can activate the following functions:


Steering column:
Only the steering column is adjusted.


Steering column and seat:
The steering column and the seat are
adjusted.
The easy-entry/exit feature can be
switched on or off in the convenience
submenu of the control system
(
page 132).
Warning!
G
You must make sure no one can become
trapped or injured by the moving steering
wheel and the driver’s seat when the
easy-entry/exit feature* is activated, the
driver’s door is being opened and the engine
is turned off or the SmartKey is removed
from the starter switch.
Do not leave children unattended in the
vehicle, or with access to an unlocked
vehicle. Children could open the driver’s
door and unintentionally activate the
easy-entry/exit feature*, which could result
in an accident and/or serious personal
injury.
iTo cancel seat/steering wheel
movement, do one of the following:

Press the seat adjustment switch*
(page 28)


Move the steering column stalk*
(page 37)


Press the memory button*
(page 28)

132 Controls in detailControl systemConvenience submenu
Access the
CONVENIENCE
submenu via the
SETTINGS
menu. Use the
CONVENIENCE

submenu to change the settings for a
number of convenience features. The
following functions are available:
Activating easy-entry/exit feature*
Use this function to activate and
deactivate the easy-entry/exit feature.
When the feature is activated, the steering
wheel and driver’s seat will move back to
facilitate exiting when you


remove the SmartKey from the starter
switch


open the driver’s doorHowever, the engine must be turned off. After entering the vehicle, the steering
wheel and seat will move into the position
stored in memory when you


close the driver’s door with the
SmartKey in starter switch position2.


you put the SmartKey in the starter
switch with the driver’s door closed.
Function
Page
Activate easy-entry/exit
feature*
132
Set key-dependency
133
Set parking position for exterior
rear view mirror
134
Warning!
G
You must make sure no one can become
trapped or injured by the moving steering
wheel and the driver’s seat when the
easy-entry/exit feature* is activated and
the driver’s door is being opened and the en-
gine is turned off or the SmartKey is re-
moved from the starter switch.
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature*, which could result in an accident
and/or personal injury.
iTo cancel seat/steering wheel
movement, do one of the following:

press the seat adjustment switch*
(page 35)


move the steering column stalk*
(page 37)


press the stored position button*
(page 97)