2014 MERCEDES-BENZ CLA-Class warning

X
Press the 0076button.
The current selection is displayed.
X To activate/deactivate: press the0076
button again.
When the distance warning function is acti- vated, the 00C7symbol appears in the mul-
tifunction display in the assistance graphic
display.
Further information on the distance warning
function (Y page 64).
Activating/deactivating COLLISION
PREVENTION ASSIST PLUS X
Press the 0059or0065 button on the steer-
ing wheel to select the DriveAssist DriveAssistmenu.
X Press the 0063or0064 button to select
Collision Prevent. Assist
Collision Prevent. Assist.
X Press the 0076button.
The current selection is displayed.
X To activate/deactivate: press the0076
button again.
When COLLISION PREVENTION ASSIST
PLUS is activated, the 00C7symbol
appears in the multifunction display in the
assistance graphic display.
For further information about COLLISION
PREVENTION ASSIST PLUS, see (Y page 67).
Activating/deactivating ATTENTION
ASSIST X
Press the 0059or0065 button on the steer-
ing wheel to select the DriveAssist DriveAssistmenu.
X Press the 0063or0064 button to select
ATTENTION ASSIST
ATTENTION ASSIST.
X Press the 0076button.
The current selection is displayed.
X To activate/deactivate: press the0076
button again.
When ATTENTION ASSIST is activated, the
00AD symbol appears in the assistance
graphic in the multifunction display.
For further information about ATTENTION
ASSIST, see (Y page 189). Activating/deactivating Blind Spot
Assist X
Press the 0059or0065 button on the steer-
ing wheel to select the DriveAssist DriveAssistmenu.
X Press the 0063or0064 button to select
Blind Spot Assist
Blind Spot Assist.
X Press the 0076button.
The current selection is displayed.
X To activate/deactivate: press the0076
button again.
For further information about Blind Spot
Assist, see (Y page 191).
When the Blind Spot Assist Sensors
Blind Spot Assist Sensors
Deactivated
Deactivated message is shown, the radar
sensors are deactivated.
X Switch on the radar sensor system
(Y page 209).
Activating/deactivating Lane Keeping
Assist X
Press the 0059or0065 button on the steer-
ing wheel to select the DriveAssist DriveAssistmenu.
X Press the 0063or0064 button to select
Lane Keeping Assist
Lane Keeping Assist.
X Press the 0076button.
The current selection is displayed.
X Press 0076to confirm.
X Press the 0064or0063 button to set Off
Off,
Standard
Standard orAdaptive
Adaptive.
X Press the 0076button to save the setting.
When Lane Keeping Assist is activated, the multifunction display shows the lane mark-
ings as bright lines in the assistance
graphic.
For further information about Lane Keeping
Assist, see (Y page 193).206
Menus and submenusOn-board computer and displays

Display messages
General notes
Display messages appear in the multifunction display.
Display messages with graphic displays may be shown in simplified form in the 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
(Y page 176) and parking (Y page 157).Hiding display messages
X Press the 0076or0038 button 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 dis- play messages cannot be hidden.
The multifunction display shows these messages continuously until the causes for the mes-
sages have been remedied. Message memory
The on-board computer saves certain display messages in the message memory. You can call
up the display messages:
X Press the 0059or0065 button on the steering wheel to select the Serv.
Serv. menu.
If there are display messages, the multifunction display shows 2 Messages 2 Messages, for example.
X Press the 0063or0064 button to select the entry, e.g. 2 Messages
2 Messages.
X Press 0076to confirm.
X Press the 0063or0064 button to scroll through the display messages. Display
messages
213On-board computer and displays Z

Safety systems
Display messages
Possible causes/consequences and
0050
0050Solutions 002500E5
Currently Unavail‐ Currently Unavail‐
able See Opera‐ able See Opera‐
tor's Manual tor's Manual ABS (Anti-lock Braking System), ESP
®
(Electronic Stability Pro-
gram), 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 00E5,00BBand0025 warning lamps light up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
Possible causes are:
R Self-diagnosis is not yet complete.
R 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 affec- ted. 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 Carefully 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: X Drive on carefully.
X Visit a qualified specialist workshop. 002500E5
Inoperative See Inoperative See
Operator's Manual 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 004D,00E5, 00BBand0025 warning lamps light up
in the instrument cluster.
ATTENTION ASSIST is deactivated.
G WARNING 214
Display messagesOn-board computer and displays

Display messages
Possible causes/consequences and
0050
0050Solutions 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 affec- ted. 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.
X Visit a qualified specialist workshop immediately. 00E5
Currently Unavail‐ Currently Unavail‐
able See Opera‐ able See Opera‐
tor's Manual tor'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, the 00E5and00BB warning lamps light up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
The self-diagnosis function might not be complete, for example.
G WARNING
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.
X Carefully 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:
X Drive on carefully.
X Visit a qualified specialist workshop. Display messages
215On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions 00E5
Inoperative See Inoperative See
Operator's Manual Operator's Manual 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 00E5and00BB warning lamps light up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
G WARNING
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.
X Drive on carefully.
X Visit a qualified specialist workshop. 007A0025
00E5
Inoperative See Inoperative See
Operator's Manual Operator's Manual EBD (electronic brake force distribution), ABS, ESP
®
, BAS, the
HOLD function and hill start assist are not available due to a mal- function.
COLLISION PREVENTION ASSIST/COLLISION PREVENTION
ASSIST PLUS may also have failed.
In addition, the 00E5,00BBand0025 warning lamps light up in the
instrument cluster and a warning tone sounds.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec- ted. 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.
X Visit a qualified specialist workshop immediately. 216
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
0050
0050Solutions 0049(USA
only)0024
(Canada
only)
Please Release Please Release
Parking Brake Parking Brake The red
0049(USA only)/0024 (Canada only) indicator lamp
flashes and a warning tone sounds. A condition for automatic
release of the electric parking brake is not fulfilled (Y page 158).
You are driving with the electric parking brake applied.
X Release the electric parking brake manually. The red
0049(USA only)/0024 (Canada only) indicator lamp
flashes and a warning tone sounds.
You are using the electric parking brake for emergency braking
(Y page 158). 0049(USA
only)0024
(Canada
only)
Parking Brake See Parking Brake See
Operator's Manual Operator's Manual The yellow
0024warning lamp lights up.
The electric parking brake is malfunctioning.
To apply:
X Switch the ignition off.
X Press the electric parking brake handle for at least ten seconds.
X Shift the transmission to P.
X Consult a qualified specialist workshop. The yellow
0024warning lamp and the red 0049(USA only)/ 0024
(Canada only) indicator lamp light up.
The electric parking brake is malfunctioning.
To release:
X Switch off the ignition and turn it back on.
X Release the electric parking brake manually.
or X Release the electric parking brake automatically (Y page 158).
If the electric parking brake still cannot be released: X Do not drive on.
X Consult a qualified specialist workshop. Display
messages
217On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions The red
0049(USA only)/0024 (Canada only) indicator lamp
flashes and the yellow 0024warning lamp lights up.
The electric parking brake is malfunctioning.
To release:
X Switch off the ignition and turn it back on.
X Release the electric parking brake manually.
To apply: X Switch off the ignition and turn it back on.
X Apply the electric parking brake manually.
If the red 0049(USA only)/ 0024(Canada only) indicator lamp
continues to flash:
X Do not drive on.
X Secure the vehicle against rolling away (Y page 337).
X Shift the transmission to P.
X Turn the front wheels towards the curb.
X Consult a qualified specialist workshop. The yellow
0024warning lamp lights up. The red 0049(USA
only)/ 0024(Canada only) indicator lamp flashes for about ten
seconds after the electric parking brake has been applied or
released. It then goes out or remains lit.
The electric parking brake is malfunctioning.
X Switch off the ignition and turn it back on.
X Apply the electric parking brake.
If it is not possible to engage the electric parking brake:
X Shift the transmission to P.
X Visit a qualified specialist workshop.
If it is not possible to release the electric parking brake:
X Release the electric parking brake automatically (Y page 158).
If the electric parking brake still cannot be released: X Consult a qualified specialist workshop. 218
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
0050
0050Solutions The yellow
0024warning lamp lights up. If you manually apply or
release the electric parking brake, the red 0049(USA only)/ 0024
(Canada only) indicator lamp flashes.
The electric parking brake is malfunctioning. It is not possible to
apply the electric parking brake manually.
X Shift the transmission to P.
X Visit a qualified specialist workshop. 0049(USA
only)0024
(Canada
only)
Parking Parking Brake
BrakeInop‐
Inop‐
erative
erative The yellow
0024warning lamp lights up. The red 0049(USA
only)/ 0024(Canada only) indicator lamp flashes for about ten
seconds after the electric parking brake has been applied or
released. It then goes out or remains lit.
The electric parking brake is malfunctioning, e.g. because of over-
voltage or undervoltage.
X Remove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
X Engage or release the electric parking brake.
If it remains impossible to apply or release the electric parking
brake:
X Switch off the ignition and turn it back on.
X Engage or release the electric parking brake.
If the electric parking brake still cannot be released: X Consult a qualified specialist workshop. The yellow
0024warning lamp lights up and the red 0049(USA
only)/ 0024(Canada only) indicator lamp flashes.
It is not possible to apply the electric parking brake manually.
X Shift the transmission to P.
X Visit a qualified specialist workshop. 0049(USA
only)0024
(Canada
only)
Turn On the Igni‐ Turn On the Igni‐
tion to Release tion to Release
the Parking Brake the Parking Brake The red
0049(USA only)/0024 (Canada only) indicator lamp lights
up.
You attempted to release the electric parking brake while the igni-
tion was switched off.
X Turn the SmartKey to position 1in the ignition lock. Display
messages
219On-board computer and displays Z