
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.
X Make sure that the SmartKey is in position
2 in the ignition lock.
X To switch on: press button : repeatedly
until the desired heating level is set.
X To 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.
X Switch off electrical consumers which 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. X
Make sure that the SmartKey is in position
2 in the ignition lock.
X To 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 93). The seat
ventilation of the driver's seat
automatically
switches to the highest level.
X To switch off: press button : repeatedly
until all the indicator lamps go out.
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.
X Switch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting. Steering wheel
Important safety notes
G
WARNING
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving
could cause the driver to lose control of the
vehicle. Steering wheel
109
Seats, steering wheel and mirrors
Z

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 height
i Other topics:
R EASY-ENTRY/EXIT feature
(Y page 110)
R storing settings
(Y page 113)
R operating the on-board computer
(Y page 373) Steering wheel heating
Switching on/off The steering-wheel heating heats the leather
areas of the steering wheel. X
Make sure that the SmartKey is in position
2 in the ignition lock.
X To 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. EASY-ENTRY/EXIT system
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 262).
G
WARNING
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. 110
Steering wheel
Seats, steering wheel and mirrors

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. G
WARNING
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. Mirrors
Exterior mirrors
Adjusting the exterior mirrors G
WARNING
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. Mirrors
111
Seats, steering wheel and mirrors Z

X
Make sure that the SmartKey is in position
1 or 2 in the ignition lock.
X Press 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.
X Press adjustment button : up, down, to
the right or to the left until the exterior
mirror
is set to a position that provides you
with a good overview of traffic conditions.
Folding the exterior mirrors in or out
electrically X
Make sure that the SmartKey is in position
1 or 2 in the ignition lock.
X Briefly press button :.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while the vehicle is
in motion, as they may otherwise vibrate. Folding the exterior mirrors in or out
automatically When the "Automatic mirror folding" function
is activated in COMAND (Y page 262):
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 The mirrors do not fold out if they have
been folded in manually.
Exterior mirror out of position If an exterior mirror has been pushed out of
position, proceed as follows:
X
Press the mirror-folding button
(Y page
112) repeatedly until you hear the
mirrors engage in position.
The mirror housing is engaged again and
you can adjust the exterior mirrors as usual
(Y page 111). Automatic anti-glare mirrors
G
WARNING
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. 112
Mirrors
Seats, steering wheel and mirrors

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. X
Make sure that the vehicle is stationary and
that the SmartKey is in position 2 in the
ignition lock.
X Press button = for the exterior mirror on
the front-passenger side.
X Engage reverse gear.
The exterior mirror on the front-passenger
side moves to the preset parking position.
X Use adjustment button ; to adjust the
exterior
mirror to a position that allows you
to see the rear wheel and the curb.
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.
X With the exterior mirror on the front-
passenger side activated, use
adjustment button ; to adjust the
exterior mirror to a position which allows you to see the rear wheel and
the curb.
X Press 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.
Calling up a stored parking position
setting X
Turn the SmartKey to position 2 in the
ignition lock.
X Adjust the exterior mirror on the front-
passenger side with the corresponding
button ( Y page 111).
X Engage 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
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 Memory function
113
Seats, steering wheel and mirrors Z

At a glance
COMAND operating system
Overview Function Page
:
COMAND display 122
;
COMAND controller and
function buttons
118
=
Telephone keypad 120
Components of COMAND
COMAND consists of:
R
the COMAND display/SPLITVIEW
R the DVD changer
R the COMAND controller
R the COMAND function buttons R
the telephone keypad
R connections in the glove box (USB,
additional USB, jack plug and iPod ®
connection)
R a remote control for the front passenger
and for use with the Rear Seat
Entertainment System
R two sets of cordless headphones for the
Rear Seat Entertainment System
R cordless headphones for the front
passenger
R two screens (Rear Seat Entertainment
System)
R CD/DVD drive (Rear Seat Entertainment
System)
R audio/video connections on the screen
(Rear Seat Entertainment System)
R audio/video
connections on the drive (Rear
Seat Entertainment System)
You can use COMAND to operate the
following main functions:
R the navigation system
R the audio function with radio and satellite
radio modes, disk (audio CD/DVD and MP3
mode), memory card (MP3 mode), MUSIC
REGISTER, Bluetooth ®
audio, Media
Interface and audio AUX
R the telephone and the address book
R the video function with video DVD and
video AUX modes
R the system settings
You can call up the main functions:
R using the corresponding function buttons
or
R using the main function bar in the COMAND
display
COMAND controller You can use the COMAND controller to select
the menu items in the COMAND display.
You
can call up menus or lists, scroll through
menus or lists and exit menus or lists. 118
At a glance
COMAND

Assigning the programmable button
(favorites)
:
Programmable button
You can assign the following predefined
functions to the h programmable button:
R ECO:
you can activate or deactivate the ECO
start/stop function.
R Massage, Driver's Seat: you can switch
the massage function for the driver's seat
on and off.
R Massage, Front Passenger's Seat:
you can switch the massage function for
the front-passenger seat on and off.
R Massage, Driver's and Front
Passenger's Seat: you can switch the
massage function for the driver's and front-
passenger seats on and off.
R Display OFF: you can switch the
COMAND display off or on.
R Tow-away Alarm: you can arm or
deactivate the tow-away alarm.
R Interior Motion Sensor : you can arm or
deactivate the interior motion sensor.
R Tow-away Alarm and Interior Motion
Sensor: you can arm or deactivate the tow-
away alarm and the interior motion sensor.
R Repeat Navigation Command: you can
have the most recent recommendation by
the navigation system repeated.
X To assign the programmable button:
select Vehicle by sliding VÆ and turningcVd the COMAND controller and press
W to confirm.
X Select System and press W to confirm.
X Select Favorites
Button and press W to
confirm.
The list of predefined functions appears.
The # dot in front of the list entry indicates
the current setting.
X To change the setting: turn cVd the
COMAND
controller and select the desired
function.
X To store the setting and exit the menu:
press W the COMAND controller.
Telephone keypad :
Telephone keypad
; Folding cover120
At a glance
COMAND

switch SPLITVIEW on and off
(Y page 125).
The SPLITVIEW screen remains on for
approximately
30 minutes after the SmartKey
has been turned to position 0 in the ignition
lock. After this time or after the SmartKey has
been removed, the settings on the front-
passenger side are saved for approximately
30 minutes longer. After this period,
reactivation on the front-passenger side
means that the settings from the driver's side
will be used.
Cordless headphones for the front
passenger There are different cordless headphones for
the front passenger and the rear
compartment.
The cordless headphones for the front
passenger can be identified by SPLITVIEW
symbol
: on the headband.
The cordless headphones for the front
passenger cannot be used in the rear
compartment. Equally, the headphones for
the
rear compartment cannot be used by the
front passenger.
Swiveling the COMAND display and
setting the brightness You can swivel the COMAND display
5
. The
buttons are located beside the COMAND
display. Swiveling
:
To swivel the display to the left
; To swivel the display to the right
Setting the brightness :
Brightness of the instrument cluster
lighting
; Brightness of the COMAND display
Brighter or dimmer:
X Turn control :
or ; clockwise or counter-
clockwise.
i If
Night View Assist Plus is activated, only
the brightness of the multifunction display
is adjusted with control :.
Display design
When the default settings are selected, the
display automatically switches between day
design and night design.
You can change these settings using
COMAND (Y page 143).
5 Not with SPLITVIEW.124
At a glance
COMAND