2008 MERCEDES-BENZ S550 4MATIC warning

306 Control systems
Voice Control* address book
COMAND address book overview
The Voice Control System address book
function gives you the capability to store
names and associated phone numbers and
address information.
You can store up to 80 speaker-dependent
voice entries in the Voice Control System
address book.
Using these voice entries, you can dial a
phone number stored in address book or
start route guidance to an address stored in the address book. Available commands
are dependent on the status of the address
book. The address book can be in one of
the following status:

Address book not open

Address book open
Operation with address book not open
(global)
The Voice Control System gives you the
following capabilities:

Store a name (page 292)

Dial a name (page 293)

Delete a name (page 294)

Navigate to an entry (page 301)

List address book (page 307)

List phone book of the address
(
page 295)

List address book destination memory
(
page 302)

Delete the address book (page 308)

Open the address book
Opening address book
Press !.
Speak the command “Address book”.
Press !.
Speak one of the address book com-
mands described below.
Operation with address book open
(local)
In addition to the capabilities listed when
the address book is not open, the address
book opened allows you to:

open an entry using the corresponding
voice entry

open any entry by spelling the name
Opening entry: Speak the command
“Open entry”.
Warning!G
Please devote your attention first and fore-
most to the traffic situation you are in.
Before your journey, please familiarize your-
self with the address book functions.
Only use the Voice Control System when
road and traffic conditions permit you to do
so. Otherwise you could be involved in an
accident in which you or others could be in-
jured.

309 Control systems
Voice Control* radio
Voice Control* radio
Radio operation
The Voice Control System gives you the ca-
pability to:

Select a station

Seek a station

Select a specific frequency

Save up to 20 stations in your station
list

Select frequency band (FM or AM)

Select weatherband

Switch to satellite radio* (USA only)

Delete station (from station list)

List the station list

Delete the station list
To operate the radio using the Voice Con-
trol System, the Voice Control System
must be activated (
page 287).Selecting radio mode
Press!.
Speak the command “Radio”.
Press!.
Speak one of the radio commands.
The system switches to the last tuned
station in the selected band.
Radio commands
For a complete list of commands
(
page 315).
“Help Radio”
Use the commands

“FM”

“AM”

“Weatherband”
to select the desired frequency band or
switch the radio to the weatherband.
Warning!G
Please devote your attention first and fore-
most to the traffic situation you are in.
Before your journey, please familiarize your-
self with the radio functions.
Only use the Voice Control System when
road and traffic conditions permit you to do
so. Otherwise you could be involved in an
accident in which you or others could be in-
jured.

313 Control systems
Voice Control* CD/DVD changer/MP3
Voice Control* CD/DVD changer/MP3
Operation
The Voice Control System gives you the
ability to:

Select a CD/DVD/medium

Select a track

Select a folder in MP3 mode

Select a group in audio-DVD modeTo operate the DVD changer using the
Voice Control System, the Voice Control
System must be activated (
page 287).
Selecting CD mode
Press !.
Speak one of the following commands:

“CD”

“DVD”

“MP3”
Press !.
Speak one of the following commands.
Commands
For a complete list of commands
(
page 315).
“Help CD” or “Help DVD” “Help MP3”
Use the commands

“Help CD”

“Help DVD”

“Help MP3”
and the Voice Control System will read out
a complete list of available commands for
the CD, DVD or MP3.
“CD/DVD/Medium 1” to
“CD/DVD/Medium 6”
Use commands “CD/DVD/Medium 1” to
“CD/DVD/Medium 6” to select one of up
to 6 mediums in your DVD changer.
Warning!G
Please devote your attention first and fore-
most to the traffic situation you are in.
Before your journey, please familiarize your-
self with the audio functions.
Only use the Voice Control System when
road and traffic conditions permit you to do
so. Otherwise you could be involved in an
accident in which you or others could be in-
jured.
iThe following commands “Next/Previous
CD/DVD” and “CD/DVD 1” to “CD/DVD 6”,
cause the DVD changer to switch from one slot
to another, regardless of the type of medium
found in the selected slot. In your command, you
can therefore replace the term “CD/DVD” with
“Medium”.

332 Controls in detail
Locking and unlocking
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and
a removable mechanical key.
The SmartKey provides an extended oper-
ating range. To prevent theft, however, it is
advisable to only unlock the vehicle when
you are in close proximity to it.
The SmartKey centrally locks and unlocks,
when set to factory settings (
page 333):

the doors

the trunk

the fuel filler flap
SmartKey with remote control
1‹ Lock button
2ŠOpening button for trunk
(
page 479)
3Mechanical key locking tab
4ŒUnlock button
5Battery check lamp
6ÂPanic button (
page 65)
!To prevent possible malfunction, avoid ex-
posing the SmartKey to high levels of electro-
magnetic 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. A child’s un-
supervised access to a vehicle could result
in an accident and/or serious personal inju-
ry.
Warning!G
To prevent possible personal injury, always
keep hands and fingers away from the door
or trunk lid opening when closing a door or
the trunk. Be especially careful when small
children are around.
Before closing doors, make sure there is no
possibility of someone getting caught in a
door during closing.

335 Controls in detail
Locking and unlocking
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.
With the KEYLESS-GO function, you can
lock and unlock the vehicle without using
the remote control buttons on the
SmartKey and start the engine without in-
serting the SmartKey in the starter switch.The SmartKey with KEYLESS-GO centrally
locks and unlocks, when set to factory set-
tings (
page 338):

the doors

the trunk

the fuel filler flap
SmartKey with KEYLESS-GO
1‹ Lock button
2ŠOpening button for trunk
(
page 479)
3Locking tab for mechanical key
4ΠUnlock button
5Battery check lamp
6ÂPanic button (
page 65)
iWhen 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.
Warning!G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO* 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.
Children could start the vehicle with a valid
SmartKey with KEYLESS-GO left in the vehi-
cle or with the KEYLESS-GO button on the
starter switch, or could release the electron-
ic parking brake, thereby putting them-
selves and others in danger. Switch off the
engine and take the SmartKey with
KEYLESS-GO with you even if you are only
leaving the vehicle for a short while.

336 Controls in detail
Locking and unlocking
Important notes on using KEYLESS-GO

You can also use the SmartKey with
KEYLESS-GO like a normal SmartKey
(
page 332).
The starter switch is located under the
KEYLESS-GO button. Pull the
KEYLESS-GO button out in order to ac-
cess the starter switch.

You can combine KEYLESS-GO func-
tions with normal SmartKey functions
(e.g. unlocking with KEYLESS-GO and
locking with button ‹).
Warning!G
To prevent possible personal injury, always
keep hands and fingers away from the door
or trunk lid opening when closing a door or
the trunk. Be especially careful when small
children are around.
Before closing doors, make sure there is no
possibility of someone getting caught in a
door during closing.
iUSA only:
This device complies with Part 15 of the FCC
Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interfer-
ence, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iCanada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iYou can also open and close the door win-
dows and tilt/sliding sunroof, or the tilt/ sliding
panel* using the SmartKey with KEYLESS-GO
(
page 385).
!If you cannot lock or unlock the vehicle with
the SmartKey with KEYLESS-GO, then either the
batteries in the SmartKey with KEYLESS-GO are
discharged, the SmartKey with KEYLESS-GO is
malfunctioning or the vehicle batteries are
drained.

Check the batteries in the SmartKey with
KEYLESS-GO and replace them if necessary
(
page 676).

Use the mechanical key to unlock the driv-
er’s door (
page 671) and trunk
(
page 672).

Use the mechanical key to lock the driver’s
door (
page 672) and the trunk
(
page 484).

Have the vehicle batteries and their connec-
tions checked (
page 692).
If the SmartKey with KEYLESS-GO is malfunc-
tioning, contact Roadside Assistance or an au-
thorized Mercedes-Benz Center.

341 Controls in detail
Locking and unlocking
Opening doors from the inside
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
1Locking knob
2Inside door handleFront doors
Pull on door handle2 on the respec-
tive front door to open door.
If door was locked, locking knob1 will
move up.
Rear doors
Pull up locking knob1 on the respec-
tive rear door to unlock door.
Pull on door handle2 on the respec-
tive rear door to open door.
iIf the vehicle has previously been locked
with the SmartKey or KEYLESS-GO*, opening a
door from the inside will trigger the anti-theft
alarm system.
To cancel the alarm, do one of the following:

Insert the SmartKey or SmartKey with
KEYLESS-GO* in the starter switch.

Press button Œ or ‹ on the SmartKey
or SmartKey with KEYLESS-GO*.
In vehicles with KEYLESS-GO*:

Grasp 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 346).
The SmartKey with KEYLESS-GO* must be
inside the vehicle.
iIf you hear a warning signal you have forgot-
ten to switch off the headlamps before opening
the driver’s door.
In addition the message “Please switch off
lights” appears in the multifunction display.
Switch off the headlamps.
!Failure to switch off the headlamps when
leaving the vehicle may result in a discharged
battery.

342 Controls in detail
Locking and unlocking
Power closing assist for doors and
trunk lid
It is not necessary to slam the door or
trunk lid closed. An electrical power-assist-
ed mechanism draws doors and trunk lid
closed quietly and automatically once door
and trunk lid has been latched. When the
electrical power-assisted mechanism has
stopped, doors and/or trunk can be
re-opened.
Power closing assist for doors: Press
the doors gently past the initial engage
position into the lock.
The doors close automatically.
Power closing assist for trunk lid:
Press the trunk lid gently into its lock.
The trunk closes automatically.For more information on closing the trunk
lid, see “Closing trunk” (
page 480).
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
using the COMAND system (
page 245).
Warning!G
To prevent possible personal injury, always
keep hands and fingers away from the door
or trunk lid opening when closing a door or
the trunk. Be especially careful when small
children are around.
In case of danger, pull the inside or outside
door handle, or pull the trunk lid handle.
To prevent personal injury, never actuate
the closing assist mechanism by tampering
with the door or trunk lid latch.
Warning!G
Only drive with the doors closed. Otherwise,
one or more of the doors could open while
the vehicle is in motion, putting you and/or
others at risk.
Warning!G
Only drive with the trunk closed as, among
other dangers such as blocked visibility, ex-
haust fumes may enter the vehicle interior.
These fumes may be damaging to your
health.
iThe doors are designed to unlock automati-
cally after an accident if the force of the impact
exceeds a preset threshold.
The vehicle locks automatically when the ignition
is switched on and the wheels are turning at ve-
hicle 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