
If a vehicle is detected within the blind spot
monitoring range at speeds above 20 mph
(30 km/h), warning lamp
0002on the
corresponding side lights up red. This warning
is always emitted when a vehicle enters the
blind spot monitoring range from behind or
from the side. When you overtake a vehicle,
the warning only occurs if the difference in
speed is less than 7mph (12 km/h).
The yellow indicator lamp goes out if reverse
gear is engaged. In this event, Blind Spot
Assist is no longer active.
The brightness of the indicator/warning
lamps is adjusted automatically according to
the ambient light.
Collision warning
If a vehicle is detected in the monitoring range
of Blind Spot Assist and you switch on the
corresponding turn signal, a double warning
tone sounds. Red warning lamp 0002flashes. If
the turn signal remains on, vehicles detected
are indicated by the flashing of red warning
lamp 0002.There are no further warning tones.
Switching on Blind Spot Assist
X Make sure that Blind Spot Assist
(Y page 242) is activated in the on-board
computer.
X Turn the SmartKey to position 2in the
ignition lock.
Warning lamps 0002in the exterior mirrors
light up red for approximately
1.5 seconds and then turn yellow. Lane Keeping Assist General notes
Lane Keeping Assist monitors the area in
front of your vehicle with camera
0002, which is
mounted at the top of the windshield. Active
Lane Keeping Assist detectsl ane markings on
the road and can warn you before you leave
your lane unintentionally.
This function is available in the range between
40 mph and 120 mph (60 km/h and
200 km/h).
A warning may be given if a front wheel
passes ove ralane marking. It will warn you
by means of intermittent vibration in the
steering wheel for up to 1. 5seconds.
Important safety notes G
WARNING
Lane Keeping Assist may not always clearly
recognize lane markings.
In this case, Lane Keeping Assist may:
R give an unnecessary warning
R not give a warning
There is a risk of an accident.
Always pay particular attention to the traffic
situation and stay in lane, in particular if
warned by Lane Keeping Assist. G
WARNING
The Lane Keeping Assist warning does not
return the vehicle to the original lane. There
is a risk of an accident. Driving systems
223Driving and parking
Z 

If no vehicle is detected in the adjacent lane
and there are broken lane markings detected,
no lane-correcting brake application is made.
Warning vibration in the steering wheel
A warning may be given if a front wheel
passes over a lane marking. It will warn you
by means of intermittent vibration in the
steering wheel for up to 1.5 seconds.
Lane-correcting brake application G
WARNING
A lane-correcting brake application cannot
always bring the vehicle back into the original
lane. There is a risk of an accident.
Always steer, brake or accelerate yourself,
especially if Active Lane Keeping Assist warns
you or makes a lane-correcting brake
application. G
WARNING
Active Lane Keeping Assist only detects
traffic conditions or road users to a limited
extent. In very rare cases, the system may
make an inappropriate brake application, e.g.
after intentionally driving over a solid lane
marking. There is arisk of an accident.
An inappropriate brake application may be
interrupted at any time if you steer slightly in
the opposite direction .Always make sure that
there is sufficient distance on the side for
other traffic or obstacles. If you leave your lane, under certain
circumstances the vehicle will brake briefly on one side. This is mean
tto assist you in
bringing the vehicle back to the original lane.
If a lane-correcting brake application occurs,
display 0002appears in the multifunction
display.
A lane-correcting brake application can be
made after driving over a lane marking
recognize as being solid or broken .Before
this, a warning must be given by means of
intermittentv ibration in the steering wheel.
In addition, a lane with lane markings on both
sides must be recognized.
In the case of a broken lane marking being
detected, a lane-correcting brake application
can only be made if a vehicle has been
detected in the adjacent lane. The following
vehicles can have an influence on brake
application: oncoming traffic, vehicles that
are overtaking and vehicles that are driving
parallel to your vehicle.
i A further lane-correcting brake
application can only occur after your
vehicle has returned to the original lane.
No lane-correcting brak eapplication occurs
if:
R you clearly and actively steer, brake or
accelerate.
R you cut the corner on a sharp bend.
R you have adopted a sporty driving style with
high cornering speeds or high rates of
acceleration.
R you have switched on the turn signals.
R a driving safety system intervenes, e.g.
ESP ®
, PRE-SAFE ®
Brake or Active Blind
Spot Assist.
R ESP ®
is switched off.
R the transmission is not in position D.
R an obstacle has been detected in the lane
in which you are driving.
R a loss of tire pressure or a defective tire has
been detected and displayed.
There is a possibility that the Active Lane
Assistant could misjudge the given traffic Driving systems
229Driving and parking Z 

Outside temperature display
You should pay special attention to road
conditions when temperatures are around
freezing point.
The outside temperature display is in the
multifunction display (Y page 234).
Changes in the outside temperature are
displayed after a short delay. Speedometer with segments
The segments in the speedometer indicate
which speed range is available.
R Cruise control activated (Y page 189):
The segments light up from the stored
speed to the maximum speed.
R DISTRONIC PLUS activated (Y page 191):
One or two segments in the set speed
range light up.
R DISTRONIC PLUS detects avehicle in front:
The segments between the speed of the
vehicle in fron tand the stored speed light
up. Operating the on-board computer
Overview 0002
Multifunctio ndisplay
0003 Switches on the Voice Control System;
see the separate operating instructions
0023 Right control panel
0022 Left control panel
0020 Back button
X To activat ethe on-board computer: turn
the SmartKey to position 1in the ignition
lock.
You can control the multifunction display and
the settings in the on-board computer using
the buttons on the multifunction steering
wheel. Displays and operation
233On-board computer and displays Z 

Left control panel
0002
0005 R
Calls up the menu and menu bar 0003
0004
Press briefly:
R
Scrolls in lists
R Selects a submenu or function
R In the Audio menu: selects a
stored station, an audio track or
a video scene
R In the Tel (telephone) menu:
switches to the phone book and
selects a name or telephone
number 0003
0004
Press and hold:
R
In the Audio menu: selects the
previous/nex tstation or selects
an audio track or a video scene
using rapid scrolling
R In the Tel (Telephone) menu:
starts rapid scrolling if the phone
book is open 000B R
Confirms a selection/display
message
R In the Tel (telephone) menu:
switches to the telephone book
and starts dialing the selected
number
R In the Audio menu: stops the
station search function at the
desired station Right control panel
000D R
Rejects or ends a call
R Exits phone book/redial
memory 0004 R
Makes or accepts a call
R Switches to the redial memory 0009
000A R
Adjusts the volume 0006 R
Mute Back button
0007
Press briefly:
R
Back
R Switches off the Voice Control
System; see the separate
operating instructions
R Hides display messages/calls
up the last Trip menu function
used
R Exits the telephone book/redial
memory 0007
Press and hold:
R
Calls up the standard display in
the Trip menu
Multifunction display
0002
Text field
0003 Menu bar
0023 Drive program (Y page 172)
0022 Transmission positio n(Ypage 172)
0020 Permanent display: outside temperature
or speed (Y page 243)
X To show menu bar 0003:press the 0002
or 0005 button on the steering wheel.
Menu bar 0003disappears after a few seconds. 234
Displays and operationOn-board computer and displays 

Text field
0002shows the selected menu or
submenu as well as display messages.
The following messages may appear in the
multifunction display:
000B Shift recommendation
(Ypage 176)
00090013000A Active Parking Assist (Y page 207)
CRUISE Cruise control (Y
page 189)
0003 Adaptive Highbeam Assist
(Ypage 140)
000C ECO start/stop function
(Ypage 168)
0001 HOLD function (Y page 201) Menus and submenus
Menu overview
Press the 0002or0005 button on the
steering wheel to call up the menu bar and
select a menu.
Operating the on-board computer
(Y page 233).
Depending on the equipment installed in the
vehicle, you can call up the following menus:
R Trip menu (Y
page 235)
R Navi menu (navigation instructions)
(Y page 237)
R Audio menu (Y
page 238)
R Tel menu (telephone) (Y
page 239)
R DriveAssist menu (assistance)
(Y page 240)
R Serv. menu (Y
page 243)
R Settings menu (settings) (Y
page 243) Trip menu
Standard display X
Press and hold the 0007button on the
steering wheel until the Trip menu with
trip odometer 0002and odometer 0003is
shown.
Trip computer "From Start" or "From
Reset" Example: trip computer "From Start"
0002
Distance
0003 Time
0023 Average speed
0022 Average fuel consumption
X Press the 0002or0005 button on the
steering wheel to select the Trip menu.
X Press 0003or0004 to select From Start or
From Reset .
The values in the From Start submenu are
calculated from the start of a journey whilst
the values in the From Reset submenu are
calculated from the last time the submenu
was reset (Y page 236).
The From Start trip computer is
automatically reset when:
R the ignition has been switched off for more
than four hours.
R 999 hours have been exceeded.
R 9,999 miles have been exceeded. Menus and submenus
235On-board computer and displays Z 

The
From Reset trip computer is
automatically reset if the value exceeds
9999 hours or 99,999 miles.
ECO display Example: ECO display
X Press the 0002or0005 button on the
steering wheel to select the Trip menu.
X Press the 0003or0004 button to select
ECO DISPLAY .
If the ignition remains switched off for longer
than four hours, the ECO display will be
automatically reset.
Further information on the ECO display
(Y page 185).
Displaying the range and current fuel
consumption X
Press the 0002or0005 button on the
steering wheel to select the Trip menu.
X Press the 0003or0004 button to select the
curren tfuel consumption and approximate
range.
The approximate range that can be covered
depends on the fuel level and your current
driving style. If there is only a small amount
of fuel left in the fuel tank, the display shows
a vehicle being refueled 000Ainstead of the
range. Digital speedometer
0002
Shift recommendation (Y page 176)
0003 Digital speedometer
X Press the 0002or0005 button on the
steering wheel to select the Trip menu.
X Press the 0003or0004 buttonto select the
digital speedometer.
Resetting values Example: resetting the trip computer "From Start"
X
Press the 0002or0005 button on the
steering wheel to select the Trip menu.
X Press the 0003or0004 button to select the
function that you wish to reset.
X Press the 000Bbutton.
X Press the 0004button to select Yes and
press the 000Bbutton to confirm.
You can reset the values of the following
functions:
R Trip odometer
R "From Start" trip computer
R "From Reset" trip computer
R ECO display
i When you reset the values in the "ECO
display", the values in the trip computer
"From Start" are likewise reset. When you
reset the values in the trip computer "From
Start", the values in the "ECO display"are
likewise reset. 236
Menus and submenusOn-board computer and displays 

Navigation syste
mmenu
Displaying navigation instructions In the
Navi menu, the multifunction display
shows navigation instructions. For more
informatio nonnavigation ,see the separate
operating instructions.
X Switch on COMAND (see the separate
operating instructions).
X Press the 0002or0005 button on the
steering wheel to select the Navi menu.
Route guidance not active 0002
Direction of travel
0003 Current road
Route guidance active No change of direction announced
0002
Distance to the destination
0003 Distance to the next change of direction
0023 Current road
0022 "Follow the road's course" symbol Change of direction announced without a
lane recommendation 0002
Road into which the change of direction
leads
0003 Distance to change of direction and visual
distance display
0023 Change-of-direction symbol
When a change of direction is announced, you
will see symbol 0023for the change of direction
and distance graphic 0003.The distance
indicator shortens towards the top of the
display as you approach the point of the
announced change of direction.
Change of direction announced with a
lane recommendation 0002
Road into which the change of direction
leads
0003 Distance to change of direction and visual
distance display
0023 New lane during a change of direction
0022 Uninterrupted lane
0020 Lane recommendation
0021 Change-of-direction symbol
On multilane roads, the system can display
lane recommendation 0023for the next change
of direction. During the change of direction,
additional lanes may be displayed.
Lane recommendations are only displayed if
the relevant data is available on the digital
map. Menus and submenus
237On-board computer and displays Z 

Other status indicators of the
navigation system R
0001:y ou have reached the destination or an
intermediate destination.
R New Route... or
Calculating Route :
calculating a new route
R Off Map or
Off Mapped Road :t
he vehicle
position is outside the area of the digital
map (off-map position).
R No Route :n
o route could be calculated to
the selected destination. Audio menu
Selecting aradio station 0002
Waveband
0003 Station frequency with memory position
i Station 0003is displayed with the station
frequency or station name. The memory
position is only displayed along with
station 0003if this has bee nstored.
X Switch on the audio syste morCOMAND
and select Radio; see the separate
operating instructions.
X Press the 0002or0005 button on the
steering wheel to select the Audio menu.
X To select astore dstation: briefly press
the 0003 or0004 button.
X To select a station from the station
list: press and briefly hold the 0003
or 0004 button.
If no statio nlist is received:
X To select astation using the station
search: press and briefly hold the 0003
or 0004 button. i
For informatio nonswitching waveband
and storing stations; see the separate
operating instructions.
i SIRIUS XM satellite radio functions like a
normal radio.
For more informatio nonsatellite radio
operation, see the separate operating
instructions.
Operating an audio player or audio
media Example
:CD/DVD change rdisplay
0002 Current title
Audio data from various audio devices or
media can be played, depending on the
equipmen tinstalled in the vehicle.
X Switch on COMAND and activate audio
CD/DVD mode or MP3 mode; see the
separate operating instructions.
X Press the 0002or0005 button on the
steering wheel to select the Audio menu.
X To select the next/previous track:
briefly press the 0003or0004 button.
X To select a track from the track list
(rapi dscrolling): press and hold the
0003 or0004 buttonuntil desired
track 0002has been reached.
If you press and hold 0003or0004, 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). 238
Menus and submenusOn-board computer and displays