EGR MERCEDES-BENZ S550 2007 W221 Owner's Manual

57 Safety and Security
Occupant safety
Do not bleach or dye seat belts as this may
severely weaken them. In a crash they may
not be able to provide adequate protection.
Have all work carried out only by qualified
technicians. Contact an authorized
Mercedes-Benz Center.Warning!
G
USE SEAT BELTS PROPERLY

Seat belts can only work when used
properly. Never wear seat belts in any
other way than as described in this sec-
tion, as that could result in serious inju-
ries in case of an accident.


Each occupant should wear their seat
belt at all times, because seat belts help
reduce the likelihood of and potential
severity of injuries in accidents, includ-
ing rollovers. The integrated restraint
system includes SRS (driver air bag, pas-
senger front air bag, side impact air
bags, head protection window curtain
air bags for side windows), ETD (seat
belt emergency tensioning device with
belt force limiters), and front seat knee
bolsters. The system is designed to en-
hance the protection offered to properly
belted occupants in certain frontal (front
air bags and ETD with belt force limiters)
and side (side impact and window cur-
tain air bags) impacts which exceed pre-
set deployment thresholds and in
certain rollovers (window curtain air
bags and ETD).


Never wear the shoulder belt under your
arm, against your neck or off your shoul-
der. In a frontal crash, your body would
move too far forward. That would in-
crease the chance of head and neck in-
juries. The belt would also apply too
much force to the ribs or abdomen,
which could severely injure internal or-
gans such as your liver or spleen.


Never wear belts over rigid or breakable
objects in or on your clothing, such as
eyeglasses, pens, SmartKeys, etc., as
these might cause injuries.


Position the lap belt as low as possible
on your hips and not across the abdo-
men. If the belt is positioned across your
abdomen, it could cause serious injuries
in a crash.


Never use a seat belt for more than one
person at time. Do not fasten a seat belt
around a person and another person or
other objects.


Belts should not be worn twisted. In a
crash, you wouldn’t have the full width
of the belt to distribute impact forces.
The twisted belt against your body could
cause injuries.


Pregnant women should also use a
lap-shoulder belt. The lap belt portion
should be positioned as low as possible
on the hips to avoid any possible pres-
sure on the abdomen.


Never place your feet on the instrument
panel, dashboard or on the seat. Always
keep both feet on the floor in front of the
seat.


59 Safety and Security
Occupant safety
Luxury active head restraints (S 600 only)
The active head restraints are intended to
offer the driver and front passenger in-
creased protection from head and neck in-
jury. In the event of a rear-end collision,
the active head restraints on the driver’s
and front passenger’s seats are designed
to move forward in the direction of travel,
providing the head with increased support
earlier on in the collision sequence. The ac-
tive head restraints move forward whether
the seat is occupied or not.
If the luxury active head restraints have
been triggered in an accident, the luxury
active head restraints must be reset. Oth-erwise, the luxury active head restraints
cannot offer any additional protection in
the event of another rear-end collision.
For information on resetting the activated
active head restraints, see “Resetting acti-
vated head restraints (S 600 only)”
(
page 618).
You cannot remove the active head re-
straint on the driver’s and passenger’s
seats.
For removal contact an authorized
Mercedes-Benz Center.
For information on head restraint adjust-
ment, see “Head restraints” (
page 324).
Warning!
G
Only use seat or head restraint covers which
have been tested and approved by
Mercedes-Benz for your vehicle model.
Using other seat or head restraint covers
may interfere with or prevent the activation
of the active head restraints. Contact an
authorized Mercedes-Benz Center for avail-
ability.
Do not attach any objects (e.g. hangers) to
the head restraint posts. Otherwise, the ac-
tive head restraints may not be able to func-
tion properly or offer the intended degree of
protection in the event of an accident.Warning!
G
For your protection, drive only with properly
positioned head restraints.
Adjust head restraint so that it is as close to
the head as possible and the center of the
head restraint 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 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.

146 Control systemsCOMAND navigation (introduction)Hard disk errors
COMAND has an integrated hard disk on
which the map software is saved.
If an area of the hard disk has an error,
COMAND can no longer access the map
data in this area, for example, when calcu-
lating a route.
The message “Navigation Unavailable.
Please refer to the operating instructions.”
appears.
Deleting message: Switch COMAND
off and back on.
Units of measurement
The units of measurement in navigation
mode are identical to those set in the in-
strument cluster.
Input restrictions
The input restrictions are imposed starting
at a particular vehicle speed. The restric-
tions are canceled as soon as the speed
drops below a certain value.
When the restriction is active, certain oper-
ations or entries are not possible.
You will notice this by the fact that some
menu items cannot be selected or certain
operations will not be possible.
i
If you switch the navigation system off / on,
it will be operational again until it has to access
the faulty area of the hard disk again. The mes-
sage will then appear again. Consult an autho-
rized Mercedes-Benz Center.

239 Control systems
COMAND seats

Confirming selection: Press n.
Cross-hairs appear. You can use them
to make two settings:

vertical: shift the point of greatest
curvature upward or downward


horizontal: adjust the degree of
curvature

Slide qmr or omp until desired setting
is reached.

Saving setting: Press n.Adjusting backrest curvature in shoul-
der area
This function is used to adjust the air
chambers in the shoulder area of the back-
rest.

Select seat (
page 236).

Selecting “Shoulders”: Slide omp or
rotate ymz.

Confirming selection: Press n.
A scale appears.

Slide qmr or rotate ymz until desired
setting is reached.

Saving setting: Press n.Adjusting seat firmness

Select seat (
page 236).

Selecting “Seat Firm.”: Slide omp or
rotate ymz.

Confirming selection: Press n.
A scale appears. You can choose be-
tween:

“0”: off


“1”: level 1


“2”: level 2

Slide qmr or rotate ymz until desired
setting is reached.

Saving setting: Press n.

306 Controls in detailLocking and unlocking
Global locking: Press button‹.
With the trunk and all doors closed, all
turn signal lamps flash three times. The
locking knobs in the doors move down.
The anti-theft alarm system is armed.

Restoring to factory setting: Press
and hold buttonsŒ and‹ si-
multaneously for about 5 seconds until
battery check lamp5 (
page 304)
flashes twice.
SmartKey with KEYLESS-GO*
Vehicles equipped with KEYLESS-GO come
with two SmartKeys with KEYLESS-GO,
each with remote control and a removable
mechanical key.
The locking tabs for the mechanical key
portion of the two SmartKeys with
KEYLESS-GO are of different color to help
distinguish each SmartKey with
KEYLESS-GO unit.
The KEYLESS-GO function is integrated
into the SmartKey. On these vehicles, the
validity of the SmartKey with KEYLESS-GO
is checked every time you grasp an outside
door handle.
If the SmartKey with KEYLESS-GO is valid,
your vehicle unlocks:

the doors


the trunk


the fuel filler flap
SmartKey with KEYLESS-GO1‹ Lock button
2ŠOpening button for trunk
(
page 436)
3Locking tab for mechanical key
4ΠUnlock button
5Battery check lamp
6ÂPanic button (
page 68)
i
When any outside door handle other than
the driver’s outside door handle is grasped, the
vehicle is centrally unlocked.
!
To prevent possible malfunction, avoid ex-
posing the SmartKey with KEYLESS-GO to high
levels of electromagnetic radiation.


316 Controls in detailStarter switch positionsSmartKey with KEYLESS-GO*
Vehicles equipped with the KEYLESS-GO
feature are supplied with a SmartKey with
integrated KEYLESS-GO function and a re-
movable KEYLESS-GO start / stop button.
With the KEYLESS-GO start/stop button
inserted and the SmartKey with
KEYLESS-GO present in the vehicle, press-
ing the KEYLESS-GO start/stop button

without the brake pedal depressed
corresponds to the various starter
switch positions (
page 315)


with the brake pedal firmly depressed
will start the engine (
page 360)If you wish or should there be a need to in-
sert the SmartKey with KEYLESS-GO in the
starter switch, the KEYLESS-GO start/stop
button can be easily removed by pulling it
out of the starter switch.
1KEYLESS-GO start/stop button
2Starter switch

Insert KEYLESS-GO start/stop
button1 into starter switch 2 (if not
inserted already).
i
The function of the SmartKey overrules the
KEYLESS-GO function.
i
The KEYLESS-GO start/stop button does
not need to be removed from the starter switch
when you leave the vehicle. However, always
take the SmartKey with KEYLESS-GO with you
when you leave the vehicle. As long as the
SmartKey with KEYLESS-GO is in the vehicle, the
vehicle’s electrical systems can be switched on
or the engine can be started using the
KEYLESS-GO start/stop button.
i
When you switch from SmartKey mode back
to KEYLESS-GO mode, the system requires
2 seconds of detection time before you can use
the KEYLESS-GO button as usual.

349 Controls in detail
Lighting
Interior lighting in the front
The controls are located in the overhead
control panel.
1Left reading lamp on/off
2Rear interior lamps on/off
3Front interior lighting on/off
4Interior lighting control
5Right reading lamp on/offAutomatic control

Deactivating: Press button4.
The OFF indicator lamp next to the but-
ton comes on.
The interior lighting remains switched
off in darkness, even when you:

unlock the vehicle


remove the SmartKey from the
starter switch


open a door


open the trunk

Activating: Press button4.
The interior lighting switches on in
darkness when you:

unlock the vehicle


remove the SmartKey from the
starter switch


open a door


open the trunkThe interior lighting switches off auto-
matically following an adjustable time
delay (
page 226).
Manual control

Switching on/off front interior light-
ing: Press button 3.

Switching on/off rear interior light-
ing: Press button 2.

Switching on/off front reading
lamps: Press button 1 or 5.
The reading lamps are integrated into
the interior rear view mirror.

Ambient lighting: the brightness of
the ambient lighting is adjusted via
COMAND (
page 79).
!
Leaving an interior light switch in the ON po-
sition for extended periods of time with the en-
gine turned off could result in a discharged
battery.
i
If the door remains open, the interior lighting
switches off automatically after approximately
5minutes.
An interior lamp switched on manually does not
go out automatically.

363 Controls in detail
Driving and parking

Have the problem repaired by an au-
thorized Mercedes-Benz Center as
soon as possible.
The coolant temperature is above
248°F (120°C)
The coolant is too hot and is no longer
cooling the engine.

Stop the vehicle in a safe location as
soon as possible and turn off the en-
gine. Allow engine and coolant to cool.

Check the coolant level and add cool-
ant if necessary (
page 497).
In case of accident
If the vehicle is leaking gasoline:

Do not start the engine under any cir-
cumstances.

Move away from vehicle.

Notify local fire and/or police authori-
ties.
If the extent of the damage cannot be de-
termined:

Notify an authorized Mercedes-Benz
Center.
If no damage can be determined on the


major assemblies


fuel system


engine mount:

Start the engine in the usual manner.
Parking
i
Excessive coolant temperatures trigger a
warning message in the multifunction display
(
page 588).
Warning!
G
With the engine not running, there is no
power assistance for the brake and the
steering systems. In this case, it is impor-
tant to keep in mind that a considerably
higher degree of effort is necessary to brake
and steer the vehicle.
Warning!
G
Do not park this vehicle in areas where com-
bustible materials such as grass, hay, or
leaves can come into contact with the hot
exhaust system, as these materials could be
ignited and cause a vehicle fire.
To reduce the risk of personal injury as a re-
sult of vehicle movement, before turning off
the engine and leaving the vehicle always:

Press the parking brake handle.


Shift the automatic transmission to P.


When parked on an incline, turn front
wheels towards the road curb.


Turn the SmartKey to starter switch
position0 and remove, or press
KEYLESS-GO* start/stop button
(page 317).


Take the SmartKey or the SmartKey with
KEYLESS-GO* with you and lock vehicle
when leaving.

365 Controls in detail
Driving and parking
Manually engaging electric parking
brake
Press handle1.
The red indicator lamp 0 (USA only)
or ! (Canada only) in the instru-
ment cluster comes on.
Automatically engaging electric parking
brake
Your vehicle’s electric parking brake is au-
tomatically engaged when DISTRONIC
Plus* (
page 385) brings your vehicle to a
standstill and at least one of the following
conditions is met:


The engine is switched off


The driver’s door is opened and the
seat belt is not inserted in the belt
buckle


The hood is released


The trunk lid is open while gear R is en-
gaged


The vehicle is parked for an extended
period
The red indicator lamp 0 (USA only) or
! (Canada only) in the instrument clus-
ter comes on.
Emergency braking with electric park-
ing brake
In an emergency situation, you can also
brake your vehicle while driving by using
the electric parking brake.

While driving, press handle for electric
parking brake (
page 364).During the braking procedure, the red indi-
cator lamp 0 (USA only) or !
(Canada only) flashes in the instrument
cluster, the message “Please release park-
ing brake” appears on the multifunction
display and you will hear a warning tone.
Once the vehicle comes to a complete stop
the electronic parking brake will engage.
Turning off the engine
i
When parked on an incline, turn front wheels
towards the road curb.
i
You can also engage the electric parking
brake when the SmartKey is removed from the
starter switch.
i
In addition to the electric parking brake,
park position P can be automatically engaged.
i
Your vehicle will be braked for as long as you
press and hold the switch for the electric parking
brake. The longer you keep the electric parking
brake pressed, the more strongly your vehicle
will be braked. This method occurs on all
4 wheels, not just the rear wheels.
Warning!
G
Do not turn off the engine before the vehicle
has come to a complete stop. With the en-
gine not running, there is no power assis-
tance for the brake and steering systems. In
this case, it is important to keep in mind that
a considerably higher degree of effort is nec-
essary to brake and steer the vehicle.i
With the SmartKey removed from the starter
switch or the engine turned off with
KEYLESS-GO* and the driver’s door open, a
warning sounds if the parking lamps or low beam


410 Controls in detailDriving systemsRange of the sensors
The sensors of the Park Assist system are
integrated in the front and rear bumpers.
Make sure that the bumpers are clear of
dirt, ice and slush in the area of the sen-
sors, as otherwise, Park Assist may not
function properly, see “Cleaning the Park
Assist* system sensors” (
page 538).Front sensors
Rear sensors
i
Due to the sensors’ broad detection range,
it is possible that Park Assist also detects the fol-
lowing obstacles and issues a warning:


obstacles in the ground, e.g. sewer canal
covers, rails, bumps in the road or gutters


obstacles moving upward quickly, e.g. rolling
garage doors
Center
approx. 40 in (100 cm)
Corners
approx. 24 in (60 cm)
Center
approx. 50 in (125 cm)
Corners
approx. 24 in (60 cm)
!
While parking, pay particular attention to ob-
jects over or underneath the sensors, e.g. flower
boxes, an elevated crossbar or a trailer tow
hitch. Park Assist does not detect such nearby
objects. You could otherwise damage the vehicle
or the objects.