2010 MERCEDES-BENZ CL CLASS ECU

brake pedal. Objects stored in this area may
impair
pedal
movement which could interfere
with the braking ability of the PRE-SAFE ®
Brake.
Do not place your foot under the brake pedal
– your foot could become caught.
To maintain the proper distance to the vehicle
in front of you and thus prevent a rear-end
collision, you must apply the brakes yourself.
X Brake the vehicle immediately to avoid a
collision.
Under no circumstances should the driver
await the intermittent warning sound
before braking. Observe the following
warning note.
The intermittent

warning sound ceases and
the distance warning lamp · goes out
when the necessary distance to the vehicle
ahead is again established.
The PRE-SAFE ®
Brake
can react to stationary
obstacles such as standing or parked vehicles
at road speeds of up to approximately 40 mph
(70 km/h). G
Warning!
If you do not receive visual or acoustic
warning signals, the PRE-SAFE ®
Brake may
R not have recognized the collision risk
R have been deactivated
R be malfunctioning
Apply the

brakes yourself to avoid a collision.
The PRE-SAFE ®
Brake does not always clearly
interpret complex traffic situations. If a visual
and/or acoustic warning is issued in an
uncritical driving situation, or if the vehicle
brakes lightly, you can interrupt the PRE-
SAFE ®
Brake maneuver by pressing down all
the way on the accelerator pedal, using
kickdown, or releasing the brake pedal. The PRE-SAFE
®
Brake maneuver is
terminated immediately when
R you avoid the obstacle by evasive steering
R you drive less than 9 mph (15 km/h

)
R an obstacle can no longer be identified
ahead of you
R the system no longer senses the risk of a
collision
i The PRE-SAFE ®
Brake will remain passive
while DISTRONIC PLUS is switched on
(Y page 304).
After a hard collision or damage to the front
of the vehicle from an accident, have the
settings and operation of the radar sensors
checked by an authorized Mercedes-Benz
Center.
When traveling in Canada in a vehicle not
registered in Canada, you must switch off the
radar sensor system ( Y page 216). Canadian
law does not permit the use of the radar
sensor system for vehicles from outside of
Canada.
When you switch off the radar system, the
following functions are deactivated:
R PRE-SAFE ®
Brake
R BAS PLUS (Y page 57)
R DISTRONIC PLUS (Y page 304)
R Park Assist ( Y page 324)
R Blind Spot Assist (Y page 335)
R Advanced Parking Guidance ( Y page 327)
X Activating and deactivating: Activate or
deactivate the PRE-SAFE ®
Brake using the
instrument cluster control system
(Y page 213).
After the function has been activated, the
PRE-SAFE ®
Brake indicator Ä appears
in the instrument cluster. When the HOLD
function is switched on, the PRE-SAFE ®
Brake indicator Ä will not appear. 64
Driving safety systems
Safety and security
216_AKB; 3; 90, en-US
d2ureepe,
Version: 2.11.8.1 2009-05-15T11:47:50+02:00 - Seite 64

Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be started by anyone with a valid
SmartKey that is left inside the vehicle.
Activating X
With SmartKey: Remove the SmartKey
from the starter switch.
X With KEYLESS-GO: Turn off the engine and
open the driver’s door.
Deactivating X
Switch on the ignition.
i Starting the engine will also deactivate
the immobilizer.
In the event that the engine cannot be
started (yet the vehicle’s battery is
charged), the system is not operational.
Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in the
USA) or 1-800-387-0100 (in Canada). Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
R a door
R the trunk
R the hood
The alarm will stay on even if the activating
element, a door, for example, is closed
immediately.
The alarm system will also be triggered when
R the vehicle is opened with the mechanical
key
R a door is opened from the inside To cancel the alarm after it has been
triggered, see “Canceling the alarm”
(Y page 66).
i
If the alarm stays on for more than
30 seconds, the Tele Aid system initiates a
call to the Customer Assistance Center
automatically. The Tele Aid system will
initiate the call provided that
R you have subscribed to the Tele Aid
service
R the Tele Aid service has been activated
properly
R the necessary mobile phone, power
supply and GPS coverage are available X
Arming: Lock the vehicle with the
SmartKey or with KEYLESS-GO.
The turn signal lamps flash three times and
an acoustic warning sounds three times to
indicate that the vehicle is locked. Indicator
lamp : flashes to indicate that the alarm
system is armed.
i If the turn signal lamps do not flash three
times and the acoustic warning does not
sound three times, a door or the trunk may
not be properly closed.
Close the respective element.
X Disarming: Unlock the vehicle with the
SmartKey or with KEYLESS-GO.
The turn signal lamps flash once and an
acoustic warning sounds once to indicate
that the alarm system is disarmed. Anti-theft systems
65Safety and security
216_AKB; 3; 90, en-US
d2ureepe, Version: 2.11.8.1 2009-05-15T11:47:50+02:00 - Seite 65 Z

i
Unless you open a door or the trunk within
approximately 40 seconds after unlocking
the vehicle:
R The vehicle will be locked again.
R The anti-theft alarm system will be
rearmed. Canceling the alarm
To cancel the alarm, do one of the following:
X Insert the SmartKey into the starter switch.
X Press button % or & on the
SmartKey.
In vehicles with KEYLESS-GO:
X Grasp an outside door handle.
The SmartKey must be within 3 ft (1 m) of
the vehicle.
X Press the KEYLESS-GO start/stop button.
The SmartKey must be inside the vehicle. 66
Anti-theft systemsSafety and security
216_AKB; 3; 90, en-US
d2ureepe,
Version: 2.11.8.1 2009-05-15T11:47:50+02:00 - Seite 66

Example illustration: Bluetooth
®
phone list
: Currently connected # and authorized
L mobile phone
; Mobile phone already authorized but not
within range (L appears in grey)
= New recognized mobile phone within
range, not authorized yet
i When the Bluetooth ®
phone list is full, you
will be prompted to deauthorize a
Bluetooth ®
device ( Y page 141). If
COMAND cannot find your mobile phone,
an external authorization (Y page 141)
may be necessary.
X Authorizing: Choose a mobile phone that
is not authorized yet = from the
Bluetooth ®
phone list and select Options
Q Authorize.
The prompt to enter the passkey appears. The passkey is an arbitrary string of 1 to 16
digits. You have to enter the same passkey
for COMAND and the Bluetooth
®
device that
you want to authorize. Refer to the operating
instructions of your mobile phone for details. The passkey should have at least four digits
in order to establish a secure Bluetooth
®
connection.
Entering a passkey in COMAND
You can enter the passkey into COMAND via
the digits in the menu bar or the telephone
keypad.
X Entering via the menu bar: Select the
respective digits with the COMAND
controller and confirm the selection.
or
X Entering via the telephone keypad:
Press the respective digits on the
telephone keypad.
X Confirming: Select ¬ in the menu bar.
or
X Press z or ; on the telephone
keypad.
X Deleting entry: Select F in the menu bar
and press W.
or
X Press $ on the telephone keypad.
Entering a passkey into the mobile phone
You will be prompted to enter the passkey
(identification, code) into your mobile phone
after the Bluetooth ®
connection was
successful. Refer to the operating
instructions of your mobile phone for details.
X Enter the same passkey that you have
entered into the COMAND.
i You might have to confirm the passkey on
your mobile phone. Check your mobile
phone display.
When the message Error during
authorization process. appears on
your COMAND display, you have either
exceeded the time limit or the passkey was
incorrect. Repeat the process.
The mobile phone is connected with the
COMAND (authorized). You can now make
phone calls via the hands-free function of the
COMAND. 140
COMAND telephoneControl systems
216_AKB; 3; 90, en-US
d2ureepe,
Version: 2.11.8.1 2009-05-15T11:47:50+02:00 - Seite 140

External authorization
Certain security settings in your mobile
phone may prevent COMAND from finding
your mobile phone. In this case, you might
want to check if your mobile phone can
recognize the COMAND. The Bluetooth
®
device name of COMAND is MB Bluetooth.
X Select Data/Connections Q
Bluetooth Telephones.
X Go to Update and select Options Q
External Authorization.
X Activate the Bluetooth ®
search on the
mobile phone. Refer to mobile phone
operating instructions for detail.
X Select MB Bluetooth
on the mobile phone.
X When prompted, enter the passkey into
COMAND and the mobile phone
(Y page 140).
Show details
Details can be displayed for each mobile
phone in the Bluetooth ®
phone list.
X Select Data/Connections Q
Bluetooth Telephones.
X Choose the mobile phone from the list and
select Options Q Details.
The following

mobile phone details appear:
R Bluetooth ®
name
R Bluetooth ®
address
R Availability status
R Authorization
R Bluetooth ®
Class (mobile phone,
notebook, etc.)
X Closing detail display: Slide XVY. Deauthorizing the mobile phone
X
Select Data/Connections Q
Bluetooth Telephones.
X Choose the mobile phone from the list and
select Options Q De-authorize.
You will be asked whether you want to
deauthorize the device.
X Select Yes.
i You should delete the device name MB
Bluetooth from the Bluetooth ®
list of the
mobile phone before authorizing that
mobile phone again.
Connecting another mobile phone
You can switch between several mobile
phones that you have authorized.
i Switching to another authorized mobile
phone is

only possible while no phone calls
are being made.
X Select Data/Connections Q
Bluetooth Telephones.
X Select the mobile phone from the
Bluetooth ®
phone list.
X Confirm the selection.
The selected mobile phone is connected
provided it is within Bluetooth ®
range and
Bluetooth ®
is activated on the respective
device.
You can

only connect one mobile phone at
a time. The currently connected mobile
phone is indicated by a dot # in the
Bluetooth ®
phone list ( Y page 140).
Main telephone menu When the connected mobile phone is ready,
the following display appears: COMAND telephone
141
Control systems
216_AKB; 3; 90, en-US
d2ureepe, Version: 2.11.8.1 2009-05-15T11:47:50+02:00 - Seite 141 Z

To stop seat/steering wheel movement, do
one of the following:
R
Press seat adjustment switch.
R Move steering wheel adjustment stalk.
R Press one of the memory position buttons
or the 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, which could result in an accident
and/or serious personal injury.
Use this function to have the steering wheel
move up and/or the driver’s seat move back
when entering the vehicle. You select the
following settings:
R OFF, the easy-entry/exit function is
switched off
R Steering Column, the steering wheel
moves up
R Steering Column and Seat , the steering
wheel moves up and the driver’s seat
moves back X
Select Vehicle.
The main area is active.
X Selecting Easy Entry/Exit Feature:
Slide XVY or rotate cVd and press W.
X Selecting setting: Slide ZVÆ or rotate
cVd and press W.
The dot # indicates the currently selected
setting. Setting interior/exterior lighting
delayed shut-off (night security
illumination)
i The components and operating principles
of COMAND can be found on ( Y page 68).
Interior lighting: You can set if and for how
long the interior lighting remains on in
darkness after you have removed the
SmartKey from the starter switch.
Exterior lighting: You can set if and for how
long the exterior lighting remains on in
darkness after closing the doors. The exterior
lighting goes out automatically after the set
time has elapsed.
You can select between the following
settings:
R 0 seconds, delayed shut-off is switched off.
R 15, 30, 45, 60 seconds, delayed shut-off is
switched on.
i You can reactivate this function by
reopening a door within 1 minute. When
you do not open or close a door or you do
not close an opened door after removing
the SmartKey from the starter switch, the
exterior lighting will go out after
60 seconds. X
Select Vehicle.
The main area is active.
X Selecting Interior Lighting Delayed
Shut-off or Exterior Lighting COMAND vehicle menu
191Control systems
216_AKB; 3; 90, en-US
d2ureepe, Version: 2.11.8.1 2009-05-15T11:47:50+02:00 - Seite 191 Z

i
When you now press the KEYLESS-GO
start/stop button once and the driver’s
door is
open, the power supply is switched
off. Seats
Safety notes
G
Warning!
In order to avoid possible loss of vehicle
control the

following must be done before the
vehicle is put into motion:
R seat adjustment
R head restraint adjustment
R steering wheel adjustment
R rear view mirror adjustment
R fastening of seat belts G
Warning!
Do not adjust the driver’s seat while driving.
Adjusting the seat while driving could cause
the driver to lose control of the vehicle.
Never ride in a moving vehicle with the seat
backrest in

an excessively reclined position as
this can be dangerous. You could slide under
the seat belt in a collision. If you slide under
it, the seat belt would apply force at the
abdomen or neck. That could cause serious
or fatal injuries. The seat backrest and seat
belts provide the best restraint when the
wearer is in a position that is as upright as
possible and seat belts are properly
positioned on the body. G
Warning!
Your seat must be adjusted so that you can
correctly fasten your seat belt. Observe the following points:
R
Adjust the

seat backrest until your arms are
slightly angled when holding the steering
wheel.
R Adjust the seat to a comfortable seating
position that still allows you to reach the
accelerator/brake pedal safely. The
position should be as far back as possible
with the driver still able to operate the
controls properly.
R Adjust the head restraint so that it is as
close to the head as possible. The center of
the head restraint must support the back of
the head at eye level.
R Never place hands under the seat or near
any moving parts while a seat is being
adjusted.
Failure to do so could result in an accident
and/or serious personal injury. G
Warning!
The power seats 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. G
Warning!
According to accident statistics, children are
safer when properly restrained in the rear
seating positions than in the front seating
position. Thus, we strongly recommend that
children be

placed in the rear seats whenever
possible. Regardless of seating position,
children 12 years old and under must be
seated and properly secured in an
appropriately sized infant restraint, toddler
restraint, or booster seat recommended for
the size and weight of the child. For additional
information, see “Children in the vehicle”.
A child’s risk of serious or fatal injuries is
significantly increased if the child restraints
are not properly secured in the vehicle and/ 264
Seats
Controls in detail
216_AKB; 3; 90, en-US
d2ureepe,
Version: 2.11.8.1 2009-05-15T11:47:50+02:00 - Seite 264

or the child is not properly secured in the child
restraint.
G
Warning!
For your protection, drive only with properly
positioned head restraints.
Adjust the 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 intended to
help reduce injuries during an accident. Seat adjustment
You can adjust the lumbar support,
multicontour seats, as well as drive-dynamic
multicontour seats using COMAND
(Y page 198).
! When moving the seats, make sure there
are no items in the footwell or behind the
seats. Otherwise, you could damage the
seats and/or the items.
Power seats i
If PRE-SAFE ®
has been activated, the
front passenger’s seat will be moved to a
more favorable seat position. i
You can store the settings for the seat
position with the memory function
(Y page 273).
X Head restraint height: Press the switch
up or down in direction of arrow :.
X Seat height: Press the switch up or down
in direction of arrow ;.
X Seat cushion tilt: Press the switch up or
down in direction of arrow = until your
upper legs are lightly supported.
X Seat cushion depth: Press the switch
forward or backward in direction of
arrow ? until your legs are supported
comfortably.
X Seat fore and aft: Press the switch
forward or backward in direction of arrow
A.
i When moving the seat fore or aft, the head
restraints may readjust automatically.
X Seat backrest tilt: Press the switch
forward or backward in direction of arrow
B.
Adjusting front passenger seat from
driver’s seat G
Warning!
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. Seats
265Controls in detail
216_AKB; 3; 90, en-US
d2ureepe, Version: 2.11.8.1 2009-05-15T11:47:50+02:00 - Seite 265 Z