
Operating audio player or audio media
Display CD/DVD changer (example)
:
Current title
Audio data from various audio devices or
media can be played, depending on the
equipment installed in the vehicle.
X Switch on COMAND and activate audio
CD/DVD mode or MP3 mode; see the
separate operating instructions.
X Press the = or ; button on the
steering wheel to select the Audio menu.
X To select the next/previous track:
briefly press the 9 or : button.
X To select a track from the track list
(rapid scrolling): press and hold the
9 or : button until desired
track : has been reached.
If you press and hold 9 or :, the
rapid scrolling speed is increased. Not all
audio drives or data carriers support this
function.
If track information is stored on the audio
device or medium, the multifunction display
will show the number and title of the track.
The current track does not appear in audio
AUX mode (Auxiliary audio mode: external
audio source connected). Video DVD operation Display CD/DVD changer (example)
:
Current scene
X Switch on COMAND and select video DVD;
see the separate operating instructions.
X Press the = or ; button on the
steering wheel to select the Audio menu.
X To select the next/previous scene:
briefly press the 9 or : button.
X To select a scene from the scene list
(rapid scrolling): press and hold the
9 or : button until desired
scene : has been reached. Telephone menu
Introduction G
WARNING
The driver's attention to the road must always
be his/her primary focus when driving. For
your safety and the safety of others, we
recommend that you pull over to a safe
location and stop before placing or taking a
telephone call. If you choose to use the
telephone
while driving, please use the hands-
free device and only use the telephone when
road, weather and traffic conditions permit.
Some jurisdictions prohibit the driver from
using a mobile phone while driving a vehicle.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle covers
a distance of 44 feet (approximately 14 m)
every second. 234
Menus and submenus
On-board computer and displays

Safety systems
Display messages Possible causes/consequences and
M Solutions!÷
Currently
Unavailable See
Operator's Manual ABS (Anti-lock Braking System), ESP
®
(Electronic Stability
Program), BAS (Brake Assist), PRE-SAFE ®
, the HOLD function and
hill start assist are temporarily unavailable.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
In addition, the ä, å and ! warning lamps light up in
the instrument cluster.
ATTENTION ASSIST is deactivated.
For example, the on-board voltage may be insufficient.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X Drive on carefully.
X Visit a qualified specialist workshop. !÷
Inoperative See
Operator's Manual ABS, ESP
®
, BAS, PRE-SAFE ®
, the HOLD function and hill start
assist are unavailable due to a malfunction.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
The $ (USA only)/J (Canada only), ä, å and !
warning lamps in the instrument cluster also light up.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle. Display messages
247
On-board computer and displays Z

Display messages Possible causes/consequences and
M SolutionsF(USA
only)J(Canada
only)
Please Release
Parking Brake You are driving with the parking brake applied. A warning tone also
sounds.
X
Release the parking brake. $(USA
only)J(Canada
only)
Check Brake Fluid
Level There is not enough brake fluid in the brake fluid reservoir.
In addition, the $ (USA only)/J (Canada only) warning
lamp lights up in the instrument cluster and a warning tone
sounds.
G WARNING
The braking effect may be impaired.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention
to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away ( Y page 175).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. #
Check Brake Pad
Wear The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop. G
mbrace Inoperative One or more main features of the mbrace system are
malfunctioning.
X
Have the mbrace system checked immediately at a qualified
specialist workshop. PRE-SAFE
Inoperative See
Operator's Manual
Important functions of PRE-SAFE
®
have failed. All other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. Display messages
249
On-board computer and displays Z

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible.
Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Read the information on qualified
specialist workshops: ( Y page 25).Stowage areas
Loading guidelines
G
WARNING
Always fasten items being carried as securely
as possible. Use cargo tie-down rings and
fastening
materials appropriate for the weight
and size of the load.
In an accident, during hard braking or sudden
maneuvers, loose items will be thrown around
inside the vehicle. This can cause injury to
vehicle occupants unless the items are
securely fastened in the vehicle.
To help avoid personal injury during a collision
or sudden maneuver, exercise care when
transporting cargo. Do not pile luggage or
cargo higher than the seat backrests.
The trunk is the preferred place to carry
objects.
Never drive a vehicle with the trunk open.
Deadly carbon monoxide (CO) gases may
enter vehicle interior resulting in
unconsciousness and death.
The handling characteristics of a laden
vehicle are dependent on the distribution of
the load within the vehicle. For this reason,
you should observe the following notes when
transporting a load:
R when transporting a load, never exceed the
maximum permissible gross vehicle weight or the gross axle weight rating of the
vehicle (including occupants). The values
are specified on the vehicle identification
plate on the B-pillar of the driver's door.
R position heavy loads as far forwards as
possible and as low down in the trunk/
cargo compartment as possible.
R the
load must not protrude above the upper
edge of the seat backrests.
R always place the load against the rear or
front seat backrests. Make sure that the
seat backrests are securely locked into
place.
R always place the load behind unoccupied
seats if possible.
R secure the load with sufficiently strong and
wear-resistant tie-downs. pad sharp edges
for protection. Stowage space
Important safety notes G
WARNING
To help avoid personal injury during a collision
or sudden maneuver, exercise care when
storing objects in the vehicle. Put luggage or
cargo in the trunk if possible.
Do not pile luggage or cargo higher than the
seat backrests.
Keep compartment lids closed. This will help
to prevent stored objects from being thrown
about and injuring vehicle occupants during
R braking
R vehicle maneuvers
R an accident288
Stowage areas
Stowage and features

X
Open the trunk lid.
X Press release catch :.
Flap ; folds down.
X Press catch = in and pull out frame ?
containing the skibag. Through-loading facility in the rear
compartment
G
WARNING
Do not transport any unsecured items in the
through-loading area. The through-loading facility is opened from
the trunk.
X
Fold down the rear seat armrest.
X Press release catch :.
The flap opens downwards. Through-loading facility in the rear
bench seat (Sedan)
Important safety notes G
WARNING
When expanding the cargo volume, always
fold the seat backrests fully forward.
Unless you are transporting cargo, the seat
backrests
must remain properly locked in the
upright position.
In an accident, during hard braking or sudden
maneuvers, loose items will be thrown around
inside the vehicle. This can cause injury to vehicle occupants unless the items are
securely fastened in the vehicle.
Always use the cargo tie-down rings.
The left-hand and right-hand rear seat
backrests can be folded down separately to
increase the trunk capacity.
Folding the seat backrest forward i
Vehicles
with memory function: when you
fold one or both parts of the rear seat
backrest forwards, the respective front
seat moves forward slightly, when
necessary, in order to avoid contact.
X Vehicles without memory function: if
necessary, move the driver's or front-
passenger seat forwards.
X Open the trunk.
X Pull right-hand or left-hand rear seat
backrest release handle :.
The corresponding rear seat backrest is
released.
The rear seat head restraints are lowered. Stowage areas
293
Stowage and features Z

X
Fold rear seat backrest ; forwards.
X Move the driver's or front-passenger seat
back if necessary.
Folding the seat backrest back G
WARNING
Always lock the seat backrest in its upright
position when the rear seat bench is
occupied,
or the extended cargo volume is not
in use.
Check for secure locking by pushing and
pulling on the seat backrest.
In an accident, during hard braking or sudden
maneuvers, loose items will be thrown around
inside the vehicle. This can cause injury to
vehicle occupants unless the items are
securely fastened in the vehicle.
To help avoid personal injury during a collision
or sudden maneuver, exercise care when
transporting cargo.
! Make sure that the seat belt does not
become trapped when folding the rear seat
backrest back. Otherwise, it could be
damaged. X
Move the driver's or front-passenger seat
forward if necessary.
X Fold rear seat backrest : back until it
engages.
X Adjust the head restraints if necessary
(Y page 105).
X Move the driver's or front-passenger seat
back if necessary. i
You should always engage the rear seat
backrests if you do not need the through-
loading feature. This will prevent
unauthorized access to the trunk from the
vehicle interior. EASY-PACK through-loading facility in
the rear bench seat (Wagon)
Important safety notes G
WARNING
Never drive a vehicle with the tailgate open.
Deadly carbon monoxide (CO) gases may
enter vehicle interior resulting in
unconsciousness and death.
Folding the rear seat backrest forward !
When folding the rear seat backrest
forwards, ensure that there are no items
lying on the seat cushions. These items
could otherwise be damaged or could
themselves damage the rear seats. 294
Stowage areas
Stowage and features

Only use the coat hooks for light clothing.
:
Coat hook EASY-PACK trunk box
Important safety notes G
WARNING
Only load the EASY-PACK convenience box to
the maximum permissible load of 10 kg. To
prevent overloading, the floor of the box
moves down onto the trunk floor mat when
loaded with more than approx. 5 kg.
Do not transport sharp-edged and fragile
objects in the box.
Otherwise,
e.g. in the event of a rapid change
of direction or heavy braking, the objects
could be thrown out of the EASY-PACK
convenience box and injure you and others.
! When the EASY-PACK trunk box is pulled
out, no objects may be placed on the frame
of the box, nor should the frame be pushed
from above. Otherwise, the box could be
damaged.
Adjusting the height to any position G
WARNING
Make sure that your hands are not inside the
EASY-PACK convenience box when the load
surface moves up. Otherwise, you could be
injured. X
Pull the box out by handle : in the
direction of the arrow all the way to the
stop.
X Lowering the load surface : push the
center of load surface ; down by hand in
the direction of the arrow until load
surface ; has reached the desired
position and the box is the desired size.
X To raise the load surface: press switch
=.
Load surface ; of the box moves up
automatically.
X To stow the box: push the box in by
handle : all the way to the stop.
Removing and installing X
To install:
insert retainer ; of box : into
slots = Stowage areas
299
Stowage and features Z

to prevent the handle flap from protruding.
Otherwise, you could damage the handle.
The TIREFIT kit, the vehicle tool kit, etc. are
located in the stowage compartment.
X
To open: pull handle : up.X
Hook handle : into rain trough ;. EASY-PACK folding floor with stowage
compartment under the cargo
compartment floor (Wagon)
Important safety notes G
WARNING
Do not carry unsecured objects under the
EASY-PACK folding luggage-compartment
floor if it is open.
Otherwise, you and other vehicle occupants
could be injured by objects being thrown
around the vehicle in the event of sharp
braking, a sudden change in direction or an
accident. !
Do not apply pressure to the EASY-PACK
folding
luggage-compartment floor when it
is fully open. You may otherwise damage
the hinges of the EASY-PACK folding
luggage-compartment floor.
! Vehicles with a B&O sound system: do not
remove the EASY-PACK folding floor. The
cable or the connector could otherwise tear
off from the amplifier, as the amplifier
module is screwed onto the underside of
the EASY-PACK folding floor.
Opening and closing the folding
luggage-compartment floor A removable insert under the EASY-PACK
folding luggage-compartment floor contains
the
parts of the EASY-PACK load-securing kit
and a folding box. Beneath the insert, you will
find the TIREFIT kit or the emergency spare
wheel and the vehicle tool kit, for example.
X To open: open the tailgate.
X Holding the ribbing, press handle :
downwards ;.
Handle : folds upwards. 302
Stowage areas
Stowage and features