
The selected unit of measurement for
distance applies to:
R the analog speedometer
R the digital speedometer in the Trip menu
R the odometer and the trip odometer
R the trip computer
R the navigation instruction in the Navi menu
R DISTRONIC PLUS
R ASSYST PLUS service interval display
The digital speedometer shows alternative
speed units ( Y page 377).XPress the = or ; button on the
steering wheel to select the Settings
menu.XPress 9 or : to select Units.XPress the a button to confirm.XPress the a button to save the setting.
The unit switches km/h and mph.
Switching the belt adjustment on/off
Further information on belt adjustment:
( Y page 58).
XPress = or ; on the steering wheel
to select the Settings menu.XPress the 9 or : button to select
Belt Adjustment .XPress the a button to confirm.XTo activate/deactivate: press a
again.
Activating/deactivating the acoustic
locking confirmation
If you activate the Acoustic Lock Feedb.
function, an audible signal sounds when the
vehicle is locked or unlocked. When
unlocking, the signal sounds once. When
locking, it sounds three times.
XPress the = or ; button on the
steering wheel to select the Settings
menu.XPress 9 or : to select Acoustic
Lock Feedb. .XPress the a button to confirm.XTo activate/deactivate: press a
again.
Activating/deactivating the radar
sensor system
The following systems are switched off when
the radar sensor system is deactivated:
R DISTRONIC PLUS ( Y page 325)
R BAS PLUS ( Y page 68)
R PRE-SAFE ®
Brake ( Y page 71)
R Blind Spot Assist ( Y page 352)
R Active Blind Spot Assist ( Y page 356)
i USA only: This device has been approved
by the FCC as a “Vehicular Radar System”.
The radar sensor is intended for use in an
automotive radar system only. Removal,
tampering, or altering of the device will void
any warranties, and is not permitted by the
FCC. Do not tamper with, alter, or use in
any non-approved way.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
i Canada 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
received, 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.
378Menus and submenusOn-board computer and displays

pressed the SOS button. Carefully leave the
vehicle and move to a safe location. The
Response Center will automatically contact
local emergency officials with the vehicle's
approximate location if they receive an
automatic SOS signal and cannot make voice
contact with the vehicle occupants.
Roadside Assistance call buttonXOpen the stowage compartment under the
armrest ( Y page 423).XPress and hold Roadside Assistance
button : for more than two seconds.
A call to a Mercedes-Benz Roadside
Assistance Representative is initiated. The
indicator lamp in Roadside Assistance
button : flashes while the call is active.
The Connecting Call message appears in
the COMAND display and COMAND is
muted.
If a connection can be established, the Call
Connected message appears in the
COMAND display.
If a mobile phone network is available and
there is sufficient GPS reception, the mbrace
system transmits data to the Response
Center, for example:
R current location of the vehicle
R vehicle identification number
R vehicle model
R vehicle color
i The COMAND display shows that an
mbrace call is active. You can switch to the
navigation menu by pressing the
S button on COMAND during the call.
Spoken commands are not available.
A voice connection is established between
the Mercedes-Benz Roadside Assistance
Representative and the vehicle occupants.XDescribe the type of assistance needed.
The Mercedes-Benz Roadside Assistance
Representative either sends a qualified
Mercedes-Benz technician or organizes for
your vehicle to be transported to the nearest
authorized Mercedes-Benz Center. You may
be charged for services such as repair work
and/or towing. Further details are available
in your mbrace manual.
i If the indicator lamp in MB info call
button : flashes continuously and it was
not possible to establish a voice
connection to the Response Center, then
the mbrace system has failed to initiate a
Roadside Assistance call (e.g. the
corresponding cellular phone network is
not available). The Call Failed message
appears in the multifunction display.
The COMAND display shows the Call
could not be connected! message.
Press W to confirm the message.
XTo end a call: press the ~ button on the
multifunction steering wheel.
or
XPress the corresponding button for ending
a phone call on the COMAND telephone
keypad.
i Sign and Drive services 30
: you are not
charged for services such as jump-starting,
providing a few gallons of fuel for a fuel tank
that has been run dry or changing a flat tire
with the vehicle's own spare tire.
30 USA only.Features435Loading, stowing and featuresZ

MB Info call buttonXThe stowage compartment under the
armrest ( Y page 423).XPress and hold MB info call button : for
more than two seconds.
A call to the Response Center is initiated.
MB info call button indicator lamp :
flashes while the connection is being
established. The Connecting Call
message appears in the multifunction
display. The COMAND display shows the
Information Call Activated message.
The audio system or COMAND is muted.
If a connection can be established, the Call
Connected message appears in the
multifunction display.
The COMAND display shows the
Information Call Activated message.
If a mobile phone network is available and
there is sufficient GPS reception, the mbrace
system transmits data to the Response
Center, for example:
R current location of the vehicle
R vehicle identification number
R vehicle model
R vehicle color
i The COMAND display shows that an
mbrace call is active. You can switch to the
navigation menu by pressing the S
button on COMAND during the call. Spoken
commands are not available.
A voice connection between the Response
Center and the vehicle occupants is
established. You can obtain information on
how to operate your vehicle's systems, on the
location of the nearest authorized Mercedes-
Benz Center, and on further products and
services offered by Mercedes-Benz USA.
Further details on the mbrace system can be
found under http://www.mbusa.com 31
.
Log in under "Owners Online".
i If the indicator lamp in MB info call
button : flashes continuously and no
voice connection to the Response Center
has been established, then the mbrace
system has failed to initiate an MB info call
(e.g. the corresponding mobile phone
network is not available). The Call
Failed message appears in the
multifunction display.
The COMAND display shows the Call
could not be connected! message.
Press W to confirm the message.XTo end a call: press the ~ button on the
multifunction steering wheel.
or
XPress the corresponding button for ending
a phone call on the COMAND telephone
keypad.
Call priority
An emergency call can still be initiated even
if a service call is currently active, e.g. a
Roadside Assistance call or an MB info call.
In this case, an emergency call will take
priority and override all other active calls.
The indicator lamp of the respective button
flashes until the call is ended. An emergency
call can only be terminated by the Response
Center. All other calls can be ended by
pressing the ~ button on the
multifunction steering wheel or the
corresponding button for ending a telephone
call on the COMAND telephone keypad.
31 USA only.436FeaturesLoading, stowing and features

Downloading destinations in COMAND
iThe components and operating principles
of COMAND can be found on
( Y page 116).
Destination Download gives you access to a
database with over 10 million points of
interest (POIs) which can be downloaded to
the navigation system of your vehicle. If you
know the destination, you can download the
address or obtain the location of points of
interest (POIs) or important destinations in
the surrounding area.
You are prompted to confirm route guidance
to the entered address.
XUsing the COMAND controller XVY (slide)
and cVd (turn) to select Yes and confirm
by pressing W.
The system calculates the route and
subsequently starts the route guidance with
the address entered.
i If you select No, the address can be stored
in the address book.
i The Destination Download function is
available if the corresponding cellular
phone network is available and data
transfer is possible.
Search & Send
Points to observe before use
i To use Search & Send, your vehicle must
be equipped with mbrace and a navigation
system. You must also have an mbrace
service subscription.
"Search & Send" is a destination entry
service. A destination which is determined by
Google Maps ®
or Yahoo Local Maps ®
can be
forwarded directly to your vehicle's
navigation system using TELEAID.
Specifying and sending the destination
address
i Information about specific commands
such as address entry or sending an
address can be found on (either of) the
website(s). Each website works differently
and is subject to change.XGo to either http://
www.maps.google.com or http://
www.maps.yahoo.com and enter a
destination address in the entry field.XPress the relevant button on the website to
send the destination address to the e-mail
address of your mbrace account.XWhen the "Send" dialog window appears:
In the relevant field, enter the e-mail
address which you specified when
activating your mbrace account.XClick on "Send".
Calling up destination addresses
XPress the MB info call button to load the
destination address to your vehicle's
navigation system.
A display message appears, asking
whether navigation should be started.XSelect Yes.
The navigation start screen appears.XSelect Start.
Route guidance is started.
or
XSelect No.
The address is saved to the destination
memory for future use ( Y page 175).
i
If you have sent more than one
destination address, you have to make an
info call to load each individual address.
i Destination addresses are loaded in the
same order as the order in which they were
sent. If you own multiple Mercedes-Benz
vehicles with mbrace and activated mbrace
accounts:
Each destination address sent can be
accessed by every vehicle which is
connected with the relevant e-mail
address.
Features437Loading, stowing and featuresZ