2014 MERCEDES-BENZ CLA warning

AUX mode (Auxiliary audio mode: external
audio source connected).
TV operation
Function
Channel frequency with memory position
iThe memory positionis only displayed
with channelif this has been stored.
XSwitch on COMAND and select TV; see the
separate operating instructions.
XPress theorbutton on the
steering wheel to select theAudiomenu.
XTo selectastoredchannel:briefly press
theorbutton.
XTo selectachannel from the channel
list:press and briefly hold the
orbutton.
iStoring a TV channel; see the separate
operating instructions.
Video DVD operation
DVD changer display (example)
Current DVD in the DVD changer
Current scene
XSwitch on COMAND and select video DVD;
see the separate operating instructions.
XPress theorbutton on the
steering wheel to select theAudiomenu.
XTo selectthe next/previous scene:
briefly press theorbutton.
XTo selectascene from the scene list
(rapid scrolling):press and hold the
orbuttonuntil desired scene
has been reached.
Telephone menu
Introduction
GWARNING
If you operate informationsystems and
communication equipment integrated in the
vehicle while driving, you will be distracted
from traffic conditions. You could also lose
control of the vehicle. There is a risk of an
accident.
Only operate the equipmentwhen the traffic
situation permits. If you are not sure that this
is possible, park the vehicle paying attention
to traffic conditions and operate the
equipment when the vehicle is stationary.
When telephoning, you must observe the
legal requirements for the country in which
you are currently driving.
XSwitch on your mobile phone and audio
system or COMAND, see the separate
operating instructions.
XEstablish a Bluetooth®connection to the
audio system or COMAND; see the
separate operating instructions.
XPress theorbutton on the
steering wheel to select theTelmenu.
You will see one of the following display
messages in the multifunction display:
RPhone READYor the name of the network
provider: the mobile phone has found a
network and is ready to receive.
RPhone No Service: there is no network
available or the mobile phone is searching
for a network.
Menus and submenus201
On-board computer and displays
Z

Acceptingacall
Example: incoming call
XPress thebutton on the steering
wheel to acceptanincoming call.
If someone calls you when you are in the
Telmenu, a display message appears in the
multifunctiondisplay.
If you are not in theTelmenu, you can still
accept a call.
Rejecting or endingacall
XPress thebutton on the steering
wheel.
If you are not in theTelmenu, you can still
reject or end a call.
Dialing a number from the phone book
XPress theorbutton on the
steering wheel to select theTelmenu.
XPress the,orbutton to
switch to the phone book.
XPress theorbutton to select the
desired name.
To start scrolling rapidly, press and hold the
orbutton for longer than one
second.
Rapid scrolling stops whenyou release the
button or reach the end of the list.
XIf only one telephone number is stored
for a name:press theorbutton
to start dialing.
or
XIf there is more than one number for a
particular name:press theor
button to display the numbers.
XPress theorbutton to select the
number you want to dial.
XPress theorbutton to start
dialing.
or
XIf you do not want to make a call:press
theorbutton.
Redialing
The on-board computer saves the last names
or numbers dialed in the redial memory.
XPress theorbutton on the
steering wheel to select theTelmenu.
XPress thebutton to switch to the
redial memory.
XPress theorbutton to select the
desired name or number.
XPress theorbutton to start
dialing.
or
XIf you do not want to make a call:press
theorbutton.
Assistance menu
Introduction
In theDriveAssistmenu, you have the
following options:
RDisplaying the assistance graphic
RShowing Speed Limit Assist and
activating/deactivating its message
function
RActivating/deactivating ESP®
RActivating/deactivating the distance
warning function
202Menus and submenus
On-board computer and displays

RActivating/deactivating COLLISION
PREVENTION ASSIST PLUS
RActivating/deactivating ATTENTION
ASSIST
RActivating/deactivating Blind SpotAssist
RActivating/deactivating Lane Keeping
Assist
Displaying the assistance graphic
XPress theorbutton on the
steering wheel to select theDriveAssist
menu.
XPress theorbutton to select
Assistance Graphic.
XPress thebutton.
The multifunction display shows the
DISTRONIC PLUS distance display in the
assistance graphic (Ypage 170).
The assistance graphic can display the status
of and information from other driving systems
or driving safety systems.
The assistance graphic shows:
Rthesymbol when ATTENTION ASSIST
(Ypage 186) is deactivated.
Rthe lane markings as bright lines when Lane
Keeping Assist (Ypage 190) is activated.
Rthe
symbol when Speed Limit Assist
(Ypage 187) is operational and the
message function is activated.
The assistance graphic can also display
traffic signs that are detected and indicate
speed limits.
Rthe
symbol when the distance
warning function (Ypage 62) is
deactivated.
Rthe
symbol when COLLISION
PREVENTION ASSIST PLUS (Ypage 64) is
deactivated.
Speed Limit Assist
Displaying Speed Limit Assist
XPress theorbutton on the
steering wheel to select theDriveAssist
menu.
XPress theorbutton to select
Speed Lim. Assist.
XPress thebutton.
Under certain conditions (Ypage 187),
detected speed limits are shown in the
multifunction display.
Activating/deactivating the Speed Limit
Assist message function
XPress theorbutton on the
steering wheel to select theDriveAssist
menu.
XPress theorbutton to select
Speed Lim. Assist.
XPress thebutton.
The multifunction display shows Speed
Limit Assist.
XPress thebutton.
The current selection is displayed.
XTo activate or deactivate:press.
If the Speed Limit Assist message function
is activated, a detected speed limit is
automatically displayed for five seconds.
Other items in the multifunction display are
suppressed during this time.
When Speed Limit Assist is operational and
the message function is activated, the
assistance graphic shows the

symbol.
Deactivating/activating ESP®
iObserve the "Important safety notes"
section in the description of ESP
(Ypage 65).
GWARNING
If you deactivate ESP®, ESP®no longer
stabilizes the vehicle. There is an increased
risk of skidding and an accident.
Menus and submenus203
On-board computer and displays
Z

Only deactivate ESP®in the situations
described in the following.
It may be best to deactivate ESP®in the
following situations:
Rwhen using snow chains
Rin deep snow
Ron sand or gravel
Activating/deactivating ESP®on AMG
vehicles (Ypage 66).
For further information about ESP®, see
(Ypage 65).
XStart the engine.
XPress theorbutton on the
steering wheel to select theDriveAssist
menu.
XPress theorbutton to select
ESP.
XPress thebutton.
XTo activate/deactivate:press the
button again.
ESP®is deactivated if thewarning
lamp in the instrument cluster lights up
continuously when the engine is running.
If thewarning lamp and the
warning lamp are lit continuously, ESP®is not
available due to a malfunction.
Observe the information on warning lamps
(Ypage 244).
Observe the information on display messages
(Ypage 213).
Switching the distance warning
function on and off
XPress theorbutton on the
steering wheel to select theDriveAssist
menu.
XPress theorbutton to select
Distance Warning.
XPress thebutton.
The current selection is displayed.
XTo activate/deactivate:press the
button again.
When the distance warning function is
deactivated, the
symbol appears in
the multifunction display in the assistance
graphics display.
Further information on the distance warning
function (Ypage 62).
Activating/deactivating COLLISION
PREVENTION ASSISTPLUS
XPress theorbutton on the
steering wheel to selecttheDriveAssist
menu.
XPress theorbutton to select
Collision Prevent. Assist.
XPress thebutton.
The current selection is displayed.
XTo activate/deactivate:press the
button again.
When COLLISION PREVENTION ASSIST
PLUS is deactivated, the
symbol
appears in the multifunction display in the
assistance graphics display.
For further information about COLLISION
PREVENTION ASSIST PLUS, see (Ypage 64).
Activating/deactivating ATTENTION
ASSIST
XPress theorbutton on the
steering wheel to select theDriveAssist
menu.
XPress theorbutton to select
Attention Assist.
XPress thebutton.
The current selection is displayed.
XTo activate/deactivate:press the
button again.
When ATTENTION ASSIST is deactivated,
thesymbol appears in the
204Menus and submenus
On-board computer and displays

multifunction display in the assistance
graphics display.
For further information about ATTENTION
ASSIST, see (Ypage 186).
Activating/deactivating Blind Spot
Assist
XPress theorbutton on the
steering wheel to select theDriveAssist
menu.
XPress theorbutton to select
Blind Spot Assist.
XPress thebutton.
The current selection is displayed.
XTo activate/deactivate:press the
button again.
For further information about Blind Spot
Assist, see (Ypage 188).
When theBlind Spot Assist: Sensors
Deactivatedmessage is shown, the radar
sensors are deactivated.
XSwitch on the radarsensor system
(Ypage 208).
Activating/deactivating Lane Keeping
Assist
XPress theorbutton on the
steering wheel to select theDriveAssist
menu.
XPressorto selectLane
Keeping Assist.
XPress thebutton.
The currentselection is displayed.
XPressto confirm.
XPress theorbutton to setOff,
StandardorAdaptive.
XPress thebutton to save the setting.
When Lane Keeping Assist is activated, the
multifunction display shows the lane
markings as bright lines in the assistance
graphic.
For further information about Lane Keeping
Assist, see (Ypage 190).
Maintenance menu
In theServicemenu, you have the following
options:
RCalling up display messages in message
memory (Ypage 212)
RChecking the tire pressure electronically
(Ypage 320)
Restarting the tire pressure loss warning
system (Canada only) (Ypage 319)
RCalling up the service due date
(Ypage 284)
Settings menu
Introduction
In theSettingsmenu, you have the following
options:
RChanging the instrument cluster settings
RChanging the light settings
RChanging the vehicle settings
RChanging the convenience settings
RRestoring the factory settings
Menus and submenus205
On-board computer and displays
Z

Display messages
General notes
Display messages appear in themultifunction display.
Display messages with graphic displays may be shown in simplified forminthe Operator's
Manual and may differ from the messages shown in the multifunction display.
Please respond in accordance with the display messages and follow the additional notes in
this Operator's Manual.
Certain display messages are accompanied by an audible warning tone or a continuous tone.
When the ignition is switched off, all display messages are deleted, apart from some high-
priority display messages. Once the causes of the high-priority display messages have been
rectified, the corresponding display messages are also deleted.
When you stop and park the vehicle, please observe the notes on the HOLD function
(Ypage 172) and parking (Ypage 153).
Hiding display messages
XPress theorbutton on the steering wheel to hide the display message.
The display message is cleared.
The multifunction display shows high-priority display messages in red. Some high-priority
display messages cannot be hidden.
The multifunction display shows these messages continuously until the causes for the
messages have been remedied.
Message memory
The on-board computer saves certain display messages in themessage memory.You can
call up the display messages:
XPressoron the steering wheel to select theServmenu.
If there are display messages, the multifunction display shows, for example,2 Messages.
XPress theorbutton to select the entry, e.g.2 Messages.
XPressto confirm.
XPress theorbutton to scroll through the display messages.
212Display messages
On-board computer and displays

Safety systems
Display messagesPossible causes/consequences and
Solutions

Currently
Unavailable See
Operator's Manual
ABS (Anti-lock Braking System), ESP®(Electronic Stability
Program), BAS (Brake Assist), the HOLD function and hill start
assist are temporarily unavailable.
COLLISION PREVENTION ASSIST/COLLISION PREVENTION
ASSIST PLUS may also have failed.
In addition, the,andwarning lamps light up in
the instrument cluster.
ATTENTION ASSIST is deactivated.
Possible causes are:
Rself-diagnosis is not yet complete.
Rthe on-board voltage may be insufficient.
GWARNING
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.
XCarefully drive a short distance on a suitable stretch of road,
making slight steering movements at a speed above 12 mph
(20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
XDrive on carefully.
XVisit a qualified specialist workshop.

Inoperative See
Operator's Manual
ABS, ESP®, BAS, the HOLD function and hill start assist are
unavailable due to a malfunction.
COLLISION PREVENTION ASSIST/COLLISION PREVENTION
ASSIST PLUS may also have failed.
In addition, the,,andwarning lamps light
up in the instrument cluster.
ATTENTION ASSIST is deactivated.
GWARNING
Display messages213
On-board computer and displays
Z

Display messagesPossible causes/consequences and
Solutions
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lockifyou
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.
XDrive on carefully.
XVisit a qualified specialist workshop immediately.

Currently
Unavailable See
Operator's Manual
ESP®, BAS, the HOLD function and hill start assist are temporarily
unavailable.
COLLISION PREVENTION ASSIST/COLLISION PREVENTION
ASSIST PLUS may also have failed.
In addition, theandwarning lamps light up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
The self-diagnosis function might not be complete, for example.
GWARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XCarefully drive a short distance on a suitable stretch of road,
making slight steering movements at a speed above 12 mph
(20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
XDrive on carefully.
XVisit a qualified specialist workshop.
214Display messages
On-board computer and displays