MERCEDES-BENZ S-CLASS SEDAN 2012 Owners Manual

:Seat cushion angle;Backrest angle=Folding the head restraint up or back?Head restraint angleASeat fore-and-aft adjustment
Adjusting the front-passenger seat
from the driver's seat
GWARNING
When adjusting the front passenger seat,
make sure the seat, if occupied, is as far from
the front passenger front air bag as possible.
Otherwise, the passenger could be seriously
or even fatally injured in the event of an
accident or braking maneuver.
Make sure no one is caught or injured while
the seat is being adjusted.
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 power seats 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.
! Do not move the front-passenger seat
fully forwards if there are objects in the
parcel net in the front-passenger footwell.
The objects could otherwise be damaged.
You can use the seat switches on the driver's
side to adjust the front-passenger seat.
XTo activate/deactivate: press button :.
If the indicator lamp in button : is lit, you
can access the following functions for the
front-passenger seat:
R seat adjustment
R seat heating/ventilation
R memory function
Adjusting the front-passenger seat
from the rear
GWARNING
When adjusting the front passenger seat,
make sure the seat, if occupied, is as far from
the front passenger front air bag as possible.
Otherwise, the passenger could be seriously
or even fatally injured in the event of an
accident or braking maneuver.
Make sure no one is caught or injured while
the seat is being adjusted.
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 power seats 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.
! Do not move the front-passenger seat
fully forwards if there are objects in the
parcel net in the front-passenger footwell.
The objects could otherwise be damaged.
Seats109Seats, steering wheel and mirrorsZ

You can use the override button to disable
this function ( Y page 71).
The button is located in the rear door on the
front-passenger side.:To select the front-passenger seat or rear-
compartment seat;Seat height=Head restraint height?Backrest angleASeat fore-and-aft adjustmentXTo select the front-passenger seat:
press button :.
The front-passenger seat is selected if the
indicator lamp in the button lights up.XAdjust the front-passenger seat with
buttons ;, = , ? and A.XTo select the rear-compartment seat:
press button :.
The rear-compartment seat is selected
again.
Adjusting the head restraints
Adjusting the head restraint height
electrically
XTo adjust the head restraint height: slide
the switch for head restraint adjustment
( Y page 108) up or down in the direction of
the arrow.Adjusting the NECK-PRO head
restraints
Adjusting
XPull or push the bottom of NECK-PRO head
restraint :.
Resetting
The NECK-PRO head restraints are moved
forwards in the event of a rear collision in the
direction of travel and have to be reset
afterwards ( Y page 60).
Adjusting NECK-PRO luxury head
restraints
Adjusting
GWARNING
When folding back the side cushions, do not
hold the area between the side cushion and
the cushion holder. There is a danger of
becoming trapped.
You can adjust side bolsters : of the NECK-
PRO luxury head restraints individually.
110SeatsSeats, steering wheel and mirrors

XTo adjust the side bolsters of the head
restraint: push or pull side bolsters : into
the desired position.XTo move forwards and backwards: pull
or push the NECK-PRO luxury head
restraints in the direction of arrow ;.
Resetting
The NECK-PRO luxury head restraints are
moved forwards in the event of a rear collision
in the direction of travel and have to be reset
afterwards ( Y page 60).
Rear seat head restraints
GWARNING
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.
GWARNING
Make sure the rear seat head restraints
engage when placing them upright manually.
Otherwise their protective function cannot be
ensured.
The back of the head will not be supported in
the event of a collision. That could cause
serious or even fatal injuries. Rear seat
occupants can be seriously injured or killed.
Folding back the rear seat head restraints
from the front
XMake sure that the SmartKey is in position
1 or 2 in the ignition lock.XPress button :.
Folding the rear seat head restraints into
position electrically (outer head
restraints)
XPress and hold button : until the head
restraints have folded into position.
i If a rear-seat passenger inserts the seat
belt into the buckle, the head restraint on
the corresponding outer seat folds up
automatically.
Folding the rear seat head restraints into
position manually
Only the center rear seat head restraint can
be folded into position manually.
XPull the head restraint up until it engages.
Adjusting the luxury head restraints in the
rear compartment
GWARNING
When folding back the side cushions, never
reach between the side cushion and the
mounting post. You could otherwise be
trapped.
Seats111Seats, steering wheel and mirrorsZ

You can adjust side bolsters : of the luxury
head restraint individually.
XTo adjust the side bolsters of the head
restraint: push or pull side bolsters : into
the desired position.XTo adjust the head restraint angle: hold
the head restraint by the upper edge and
slide it forwards or back in the direction of
arrow ;.
Adjusting the multicontour seat
You can adjust the multicontour seat using
COMAND ( Y page 274).
Adjusting the multicontour seat in the
rear compartment
You can use the buttons on the center
console to adjust the multicontour seats for
the outer seats in the rear compartment.
XTo select a rear-compartment seat: push
or pull rocker switch : or C forwards or
backwards.
The indicator lamp in the selected button
lights up briefly.XTo adjust the side bolsters of the seat
backrest: push or pull rocker switch B
forwards or backwards.XTo adjust the backrest contour: push or
pull rocker switch A forwards or
backwards.XTo adjust the position of the backrest
contour: push or pull rocker switch ?
forwards or backwards.XTo activate/deactivate the gentle
massage function: push or pull rocker
switch = forwards or backwards.XTo activate/deactivate the strong
massage function: push or pull rocker
switch ; forwards or backwards.
Adjusting the active multicontour
seat
You can adjust the active multicontour seat
using COMAND ( Y page 276).
i If PRE-SAFE ®
has been activated, the air
pressure in the air chambers of the
multicontour seat or active multicontour
seat is increased. These air chambers are
located in the side bolsters of the seat
cushion and backrest.
Adjusting the lumbar support
You can adjust the lumbar support using
COMAND ( Y page 274).
112SeatsSeats, steering wheel and mirrors

Switching the seat heating on/off
Switching on/offGWARNING
Repeatedly setting the seat heating to level
3 may result in excessive seat temperatures.
The health of passengers that have limited
temperature sensitivity or a limited ability to
react to excessively high temperatures may
be affected or they may even suffer burn-like
injuries. Therefore, do not use seat heating
level 3 repeatedly.
The three red indicator lamps in the button
indicate the heating level you have selected.
i If the battery voltage is too low, the seat
heating may switch off.
The system automatically switches down
from level 3 to level 2 after approximately
eight minutes.
The system automatically switches down
from level 2 to level 1 after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
XMake sure that the SmartKey is in position
1 or 2 in the ignition lock.XTo switch on: press button : repeatedly
until the desired heating level is set.XTo switch off: press button : repeatedly
until all the indicator lamps go out.Problems with the seat heating
The seat heating has switched itself off
prematurely. The vehicle's electrical system
voltage is too low because too many electrical
consumers are switched on.
XSwitch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
Switching the seat ventilation on/off
Switching on/off
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
i If the battery voltage is too low, the seat
ventilation may switch off.
XMake sure that the SmartKey is in position
2 in the ignition lock.XTo switch on: press button : repeatedly
until the desired ventilation level is set.
i You can open the side windows and the
sliding sunroof using the "Convenience
opening" feature ( Y page 96). The seat
ventilation of the driver's seat
automatically switches to the highest level.
XTo switch off: press button : repeatedly
until all the indicator lamps go out.Seats113Seats, steering wheel and mirrorsZ

Problems with the seat ventilation
The seat ventilation has switched off
prematurely. The vehicle's electrical system
voltage is too low because too many electrical
consumers are switched on.
XSwitch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting.
Steering wheel
Important safety notes
GWARNING
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving
could cause the driver to lose control of the
vehicle.
The electrical steering wheel adjustment
feature can be operated at any time.
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.
Adjusting the steering wheel
:To adjust the steering wheel position
(fore-and-aft adjustment);To adjust the steering wheel heighti Other topics:
R EASY-ENTRY/EXIT feature
( Y page 115)
R storing settings ( Y page 118)
R operating the on-board computer
( Y page 375)
Steering wheel heating
Switching on/off
The steering-wheel heating heats the leather
areas of the steering wheel.
XMake sure that the SmartKey is in position
2 in the ignition lock.XTo switch on/off: turn the lever in the
direction of arrow : or ;.
Indicator lamp = lights up or goes out.
Vehicles without KEYLESS-GO: when you
remove the SmartKey from the ignition lock,
the steering wheel heating is deactivated.
Vehicles with KEYLESS-GO: when you switch
off the ignition and open the driver's door, the
steering wheel heating is deactivated.
i The steering wheel heating is deactivated
when the temperature in the vehicle
interior is higher than 86 ‡ (30 †).
i The steering wheel heating is switched off
automatically after about 24 minutes.
114Steering wheelSeats, steering wheel and mirrors

EASY-ENTRY/EXIT feature
Important safety notes
The EASY-ENTRY/EXIT feature makes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature using COMAND
( Y page 266).
GWARNING
You must make sure no one can become
trapped or injured by the moving steering
wheel and driver's seat when the EASY-
ENTRY/EXIT feature is activated.
To stop steering wheel and seat movement,
do one of the following:
R move the seat adjustment switch.
R move the steering column adjustment
switch.
R press one of the memory function position
buttons or memory button M.
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. This could result in an accident
and/or serious personal injury.
GWARNING
Let the system complete the adjustment
procedure before setting the vehicle in
motion. All steering wheel adjustment must
be completed before setting the vehicle in
motion. Driving off with the steering wheel
still adjusting could cause the driver to lose
control of the vehicle.
! Do not activate the EASY-ENTRY/EXIT
feature, if the seat backrest is reclined too
far backwards. This can damage the front
or rear seats. You must first move the
backrest to a vertical position.
Position of the steering wheel and the
driver's seat when the EASY-ENTRY/
EXIT feature is active
The steering wheel tilts upwards and the
driver's seat moves backwards if you:
R remove the SmartKey from the ignition lock
R open the driver's door when the SmartKey
is in the ignition lock or KEYLESS-GO is in
position 1
i The steering wheel only moves upwards if
it has not already reached the upper end
stop. The driver's seat only moves
backwards if it is not already in the
rearmost position.
Position of the steering wheel and the
driver's seat for driving
If you insert the SmartKey into the ignition
lock with the driver's door closed, depending
on the setting, the position of the steering
wheel and the driver's seat will be changed to
the previously set position.
The last position of the steering wheel or seat
is stored if:
R the ignition is switched off or
R the setting is stored with the memory
function.
Crash-responsive EASY-EXIT feature
If the crash-responsive EASY-EXIT feature is
triggered in an accident, the steering column
will move upwards when the driver's door is
opened. This occurs irrespective of the
position of the SmartKey in the ignition lock.
This makes it easier to exit the vehicle and
rescue the occupants.
The crash-responsive EASY-EXIT feature is
only operational if the EASY-EXIT/ENTRY
feature is activated in the on-board computer.
Steering wheel115Seats, steering wheel and mirrorsZ

Mirrors
Exterior mirrors
Adjusting the exterior mirrors
GWARNING
Exercise care when using the passenger-side
exterior rear view mirror. The mirror surface
is convex (outwardly curved surface for a
wider field of view). Objects in mirror are
closer than they appear. Check your interior
rear view mirror and glance over your
shoulder before changing lanes.
The exterior mirrors are automatically heated
if the rear window defroster is switched on
and the outside temperature is low.
XMake sure that the SmartKey is in position
1 or 2 in the ignition lock.XPress button ; for the right-hand exterior
mirror or button = for the left-hand
exterior mirror.
The indicator lamp lights up in the button
that has been pressed.XPress adjustment button : up, down, to
the left or right until you have adjusted the
exterior mirror to the correct position. You
should have a good overview of traffic
conditions.Folding the exterior mirrors in or out
electricallyXMake sure that the SmartKey is in position
1 or 2 in the ignition lock.XBriefly press button :.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
Folding the exterior mirrors in or out
automatically
When the "Automatic mirror folding" function
is activated in COMAND ( Y page 266):
R the exterior mirrors fold in automatically as
soon as you lock the vehicle from the
outside.
R the exterior mirrors fold out again
automatically as soon as you unlock the
vehicle and then open the driver's or front-
passenger door.
i If the exterior mirrors have been folded in
manually, they do not fold out.
Exterior mirror out of position
If an exterior mirror has been pushed out of
position, proceed as follows:
116MirrorsSeats, steering wheel and mirrors

XPress the mirror-folding button
( Y page 116) repeatedly until you hear the
mirror engage in position.
The mirror housing is engaged again and
you can adjust the exterior mirrors as usual
( Y page 116).
Automatic anti-glare mirrors
GWARNING
If incident light from headlamps is prevented
from striking the sensor in the rear-view
mirror, for instance, by luggage piled too high
in the vehicle, the mirror's automatic anti-
glare function will not operate.
Incident light could then blind you. This may
distract you from the traffic conditions and,
as a result, you may cause an accident.
The rear-view mirror and the exterior mirror
on the driver's side automatically go into anti-
glare mode if the ignition is switched on and
incident light from headlamps strikes the
sensor in the rear-view mirror.
The mirrors do not go into anti-glare mode if
reverse gear is engaged or the interior lighting
is switched on.
Parking position for the exterior
mirror on the front-passenger side
Setting and storing the parking position
You can position the front-passenger side
exterior mirror in such a way that you can see
the rear wheel on that side as soon as you
engage reverse gear. You can store this
position.
XMake sure that the vehicle is stationary and
that the SmartKey is in position 2 in the
ignition lock.XPress button = for the exterior mirror on
the front-passenger side.XEngage reverse gear.
The exterior mirror on the front-passenger
side moves to the preset parking position.XUse adjustment button ; to adjust the
exterior mirror. You should see the rear
wheel and the curb in the exterior mirror.
The parking position is stored.
i If you shift the transmission to another
position, the exterior mirror on the front-
passenger side returns to the driving
position.
i You can also store the parking position
using memory button M : .
XMake sure that the SmartKey is in
position 2 in the ignition lock.XWith the exterior mirror on the front-
passenger side activated, use
adjustment button ; to adjust the
exterior mirror. You should see the
rear wheel and the curb in the exterior
mirror on the front-passenger side.XPress memory button M : and one of
the arrows on adjustment button ;
within three seconds.
The parking position is stored if the
exterior mirror does not move.
If the mirror moves out of position, repeat
the steps.
Mirrors117Seats, steering wheel and mirrorsZ

Calling up a stored parking position
settingXTurn the SmartKey to position 2 in the
ignition lock.XAdjust the exterior mirror on the front-
passenger side with the corresponding
button ( Y page 116).XEngage reverse gear.
The exterior mirror on the front-passenger
side moves to the stored parking position.
The exterior mirror on the front-passenger
side moves back to its original position:
R as soon as you exceed a speed of 9 mph
(15 km/h)
R about ten seconds after you have
disengaged reverse gear
R if you press button ? for the exterior
mirror on the driver's side
Memory function
Storing settings
GWARNING
Do not activate the memory function while
driving. Activating the memory function while
driving could cause the driver to lose control
of the vehicle.
With the memory function, you can store up
to three different settings, e.g. for three
different people.
The following settings are stored as a single
memory preset:
R seat, backrest, head restraint position and
contour of the backrest in the lumbar
region
R active multicontour seat: activated/
deactivated
R multicontour seat: the side bolsters of the
seat cushion and the backrest as well as
the contour of the backrest in the lumbar
and shoulder regions
R driver's side: steering wheel position
R driver's side: position of the exterior
mirrors on the driver's and front-passenger
sidesXAdjust the seat ( Y page 108).XOn the driver's side, adjust the steering
wheel (Y page 114) and the exterior mirrors
( Y page 116).XBriefly press the M memory button and
then press storage position button 1, 2 or
3 within three seconds until you hear an
acknowledgment tone.
The settings are stored in the selected
storage position.
Calling up a stored setting
XPress and hold the relevant storage
position button 1, 2 or 3 until the seat,
steering wheel and exterior mirrors are in
the stored position.
i If you release the storage position button,
the seat, steering wheel and mirror setting
functions stop immediately. The
multicontour seat setting or lumbar
support adjustment is still carried out.
118Memory functionSeats, steering wheel and mirrors