2011 MERCEDES-BENZ S-Class child seat

Removing a child restraint system/
deactivating the special seat belt retractor:XAlways comply with the manufacturer's
installation instructions.XPress the seat belt release button and
guide the belt tongue to the belt outlet.
The special seat belt retractor function is
deactivated.GWarning
Never release the seat belt buckle while the
vehicle is in motion, since the special seat belt
retractor will be deactivated.
LATCH-type child restraint (ISOFIX) in
the rear
GWarning
Observe "Important safety notes"
( Y page 60).
GWarning
Children that are too large for a child restraint
must travel in seats using normal seat belts.
Position shoulder belt across the chest and
shoulder, not face or neck.
In order to attain the correct seating position
for children weighing over 41 lb (18 kg), it may
be necessary to use a booster seat until they
reach a height where a normal lap/shoulder
seat belt lies properly across their bodies
without the need for a booster seat.
Install the child restraint system according to
the manufacturer's instructions.
The child restraint system must be installed
firmly on both brackets.
An incorrectly installed child restraint system
can come loose in the event of an accident,
causing the child to be severely or fatally
injured.
Child restraint systems/child restraint
retaining brackets that are damaged or have
suffered damage due to an impact must be
replaced.
ISOFIX is a standardized securing system for
specially designed child restraint systems on
the rear seats. Securing rings for two LATCH-
type (ISOFIX) child restraint systems are
installed on the left and right of the rear seats.
Use the vehicle's seat belts to install child
restraint systems without the ISOFIX
securing system. Follow the manufacturer's
instructions for of child restraint systems.
! Vehicles with a center seat in the rear:
when installing the LATCH-type (ISOFIX)
child restraint system, make sure that the
seat belt for the center seat does not get
trapped. Otherwise, the seat belt could be
damaged.
Installation instruction : indicates the
installation point of securing ring 2.
XMove the rear seat backrest of the
electrically adjustable rear seat to the
upright position ( Y page 102).XFold upholstered lining = and the Velcro
fastener upwards.XTurn installation aid ? to a vertical
position, so that upholstered lining = does
not fold back down.XInstall the LATCH-type (ISOFIX) child
restraint system on both securing
rings ;. Comply with the manufacturer's
instructions when installing the LATCH-
type (ISOFIX) child restraint system.GWarning!
Vehicles with rear power seats:
Children in the vehicle63SafetyZ

Never change the rear seat position after
installing the child restraint. This could
R damage the child restraint
R introduce undesirable slack or tension into
the seat belt
R loosen the child restraint
R misposition the child restraint
All of the above will lessen the
effectiveness of the child restraint and thus
increase the chance or severity of injury in
an accident.
Top TetherGWarning
Observe "Important safety notes"
( Y page 60).
Top Tether provides an additional attachment
point between the "LATCH" type child seat
mount (ISOFIX) child restraint system and the
rear seat. This can further reduce the risk of
injury.
The Top Tether anchorages are located in the
rear compartment behind the head restraints.
XVehicles with electrically adjustable rear
seats: move the rear seat backrest to an
upright position ( Y page 102).XRemove corresponding protective cap :
from the Top Tether anchorage.XPlace protective cap : in a suitable place
(e.g. in the glove box).XSlide the head restraint upwards.XRoute Top Tether belt ? under the head
restraint between both head restraint bars.XEngage Top Tether hook = of Top Tether
belt ? into Top Tether anchorage ;.
Make sure that:
R Top Tether hook = is engaged in Top
Tether anchorage ;, as illustrated.
R Top Tether belt ? is not twisted.
R Top Tether belt ? can move freely
between the rear seat backrest and the
head restraint.XInstall the LATCH-type (ISOFIX) child
restraint system with Top Tether. Always
comply with the manufacturer's
installation instructions. Make sure that
Top Tether belt ? is taut.
The child restraint system with Top Tether
belt ? has been removed:
XSlide protective cap : onto Top Tether
anchorage ;.GWarning!
Vehicles with rear power seats:
Never change the rear seat position after
installing the child restraint. This could
R damage the child restraint
R introduce undesirable slack or tension into
the seat belt
R loosen the child restraint
R misposition the child restraint
64Children in the vehicleSafety

All of the above will lessen the
effectiveness of the child restraint and thus
increase the chance or severity of injury in
an accident.
Child-proof locks
Child-proof locks for the rear doors
GWarning
Observe "Important safety notes"
(Y page 60).
GWarning
Children could open a rear door from inside
the vehicle. This could result in serious
injuries or an accident. Therefore, when
children ride in the rear always secure the rear
doors with the child-proof locks.
You can secure each door individually with
the child-proof locks on the rear doors. A door
secured with a child-proof lock cannot be
opened from inside the vehicle. When the
vehicle is unlocked, the door can be opened
from the outside.
XTo activate: press the child-proof lock
lever up in the direction of arrow :.
XMake sure that the child-proof locks are
working properly.
XTo deactivate: press the child-proof lock
lever down in the direction of arrow ;.
Override feature for the rear side
windows
GWarning
Observe "Important safety notes"
(Y page 60).
GWarning
When children ride on the vehicle's rear seats,
activate the override switch. Otherwise, the
children could be injured, e.g. by trapping
themselves in the rear side window.
For the rear compartment, you can disable
operation of:
Rthe rear side windows
Rthe cigarette lighter in the rear
Radjustment of the front-passenger seat
from the rear compartment
Rthe sunblinds:
-in the roof
-of the rear window
-of the rear side windows
XTo activate/deactivate: press button :.
If indicator lamp ; is lit, the rear-
compartment functions are disabled. The
rear side windows can then only be
operated using the switches on the driver's
door. If indicator lamp ; is off, the
functions are enabled. The rear side
windows can be operated using the
switches in the rear compartment.
Children in the vehicle65SafetyZ

Vehicle equipment
i This manual describes all the standard
and optional equipment of your vehicle
which was available at the time of
purchase. Country-specific differences are
possible. Bear in mind that your vehicle
may not feature all functions described
here. This also refers to safety-related
systems and functions.
SmartKey
Important safety notes
GWarning!
When leaving the vehicle, always remove the
SmartKey from the starter switch. Always
take the SmartKey with you and lock the
vehicle. Do not leave children unattended in
the vehicle, even if they are secured in a child
restraint system, 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. The children
could
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
starter switch or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned by these
parts.
GWarning
Do not carry heavy or hard objects in the
passenger compartment unless they are
firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of:
R strong braking maneuvers
R sudden changes of direction
R an accident
General information
If you cannot open or lock the vehicle with the
SmartKey, either the battery in the SmartKey
is empty, the SmartKey is faulty, or the starter
battery is discharged.
XCheck the battery in the SmartKey and
replace it if necessary ( Y page 80).XUnlock the driver's door with the
mechanical key ( Y page 84).XLock the vehicle ( Y page 84).XHave the starter battery and battery
contacts checked by an authorized
Mercedes-Benz Center.
If the SmartKey is faulty, contact Roadside
Assistance or an authorized Mercedes-Benz
Center.
SmartKey functions
General notes
i USA only:
This device complies with Part 15 of the
FCC regulations. Operation is subject to
the following conditions:
1. This device must not cause any harmful
interference, and
2. This device must be able to
accommodate interference that is
received, including interference which
could cause unwanted functions.
76SmartKeyOpening and closing

ProblemPossible causes/consequences and M SolutionsThe engine cannot be
started using the
SmartKey.The on-board voltage is too low.XRemove the SmartKey and reinsert it into the ignition lock.XStart the engine within 30 seconds of inserting the SmartKey
into the ignition lock.XRepeat if necessary.
If the engine does not start after several attempts:
XCheck the starter battery and charge it if necessary
( Y page 468).
or
XJump-start the vehicle ( Y page 471).
or
XConsult a qualified specialist workshop.The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle.A door is open. Therefore, the SmartKey cannot be detected as
easily.XClose the door and try to start the vehicle again.There is interference from a powerful source of radio waves.XStart your vehicle with the SmartKey in the ignition lock.Doors
Important safety notes
GWarning!
When leaving the vehicle, always remove the
SmartKey from the starter switch. Always
take the SmartKey with you and lock the
vehicle. Do not leave children unattended in
the vehicle, even if they are secured in a child
restraint system, 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. The children
could
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
starter switch or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned by these
parts.GWarning
Do not carry heavy or hard objects in the
passenger compartment unless they are
firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of:
R strong braking maneuvers
R sudden changes of direction
R an accident
82DoorsOpening and closing

iMake sure that you have the SmartKey on
your person and that it has not been left in
the vehicle.XClose the front-passenger door.XMake sure that the doors and the trunk are
locked.
i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not primed.
Trunk
Important safety notes
Do not leave the SmartKey in the trunk. You
could otherwise lock yourself out.
GWarning
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system, and do not give them access
to an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and a child could be burned on these
parts.GWarning!
Do not carry heavy or hard objects in the
passenger compartment or trunk unless they
are firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident
GWarning
Make sure the trunk lid is closed when the
engine is running and while driving. Among
other dangers, deadly carbon monoxide (CO)
gases may enter the vehicle interior resulting
in unconsciousness and death.
! The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
You can limit the opening angle of the trunk
lid. This could be useful, for example, if there
is insufficient space above the trunk lid. You
can switch the trunk lid opening height
restriction function on or off via COMAND
( Y page 261).
For the trunk lid to be opened fully, there must
be a minimum clearance from floor to ceiling
of 5.90 ft (1.80 m).
The trunk lid can be:
R opened and closed manually from outside
R opened and closed automatically from
outside
R opened and closed automatically from
inside
R locked separately
R unlocked with the mechanical key
R opened using the emergency release
button inside the trunk
Trunk85Opening and closingZ

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.
You can close the trunk lid automatically by
using the closing button5 or locking button6.
XTo close: press closing button : in the
trunk lid.
XTo close and lock simultaneously:
Press locking button ; in the trunk lid.
iThe trunk lid can only be locked if there is
a KEYLESS-GO key outside the vehicle.
Automatic opening and closing from
the inside
GWarning!
Maintain sight of the area around the rear of
the vehicle while operating the trunk lid with
the door mounted switch. Monitor the closing
procedure carefully to make sure no one is in
danger of being injured.
To interrupt the closing procedure, release
the door mounted remote trunk opening/
closing switch again.
Even with the SmartKey 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.
GWarning
Make sure the trunk lid is closed when the
engine is running and while driving. Among
other dangers, deadly carbon monoxide (CO)
gases may enter the vehicle interior resulting
in unconsciousness and death.
You can open/close the trunk lid from the
driver's seat when the vehicle is stationary.
XTo open: press remote operating switch for
trunk lid : until the trunk lid opens.
XTo close: press remote operating switch
for trunk lid : until the trunk lid is closed.
Locking the trunk separately
You can lock the trunk separately. If you then
unlock the vehicle centrally, the trunk
remains locked and cannot be opened.
XClose the trunk lid.XTake the mechanical key out of the
SmartKey (Y page 79).5For vehicles with the trunk lid remote closing feature only.6For vehicles with the trunk lid remote closing feature and KEYLESS-GO only.
Trunk87Opening and closingZ

Side windows
Important safety notes
GWarning
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system, and do not give them access
to an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and a child could be burned on these
parts.
GWarning
Do not carry heavy or hard objects in the
passenger compartment unless they are
firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of:
R strong braking maneuvers
R sudden changes of direction
R an accident
GWarning
When opening or closing the door windows,
make sure that there is no danger of anyone
being harmed by the opening/closing
procedure.
The door windows are equipped with
automatic operation and the anti-entrapment
feature. If in automatic mode a door window
encounters an obstruction that blocks its
path, the anti-entrapment feature will stop the
door window and open it slightly.
The door windows operate differently when
the switch is pulled. See the "Problems with
door windows" section for details.
The closing of the door windows can be
immediately halted by releasing the switch or,
if the switch was pulled past the resistance
point and released, by either pressing or
pulling the respective switch.
Activate the override switch when children
are riding in the back seats of the vehicle. The
children may otherwise injure themselves,
e.g. by becoming trapped in the door window
opening.
GWarning!
Do not keep any part of your body up against
the window pane when opening a window. The
downward motion of the pane may pull that
part of your body down between the window
pane and the door frame and trap it there. If
there is a risk of entrapment, release the
switch and pull it to close the window.
Side windows89Opening and closingZ