2014 MERCEDES-BENZ CL-Class lights

X
Press the =or; button on the
steering wheel to select the DriveAssistmenu.
X Press 9or: to select Blind Spot
Assist .
X Press the abutton.
The curren tselection is displayed.
X To activate/deactivate: press thea
button again.
Activating/deactivating Active Lane
Keeping Assist You can use the
Lane Keeping Assist function to activat
eor deactivate Active Lane
Keeping Assist (Y page 330).
X Press the =or; button on the
steering wheel to select the DriveAssistmenu.
X Press 9or: to select Lane Keeping Assist .
X Press the abutton.
The current selection is displayed.
X To activate/deactivate: press thea
button again.
When Active Lane Keeping Assist is activated,
the à symbol appears in the multifunction
display when the ignitio nis on. Maintenance menu
In the Service menu, you have the following
options:
R calling up display messages (Y page 352)
R checking the tire pressure electronically
(Y page 461)
R calling up a service due date
(Y page 426)
R checking the oil level (Y page 421) Settings menu
Introduction The
Settings menu can be used for:
R Switching the daytime running lamps on/
off
R switching Adaptive Highbeam Assist on/
off
R showing or hiding the additional
speedometer
R selecting the units for speed and distance
R activating/deactivating the radar sensor
system
Switching the daytime running lamps
on/off This function is not available in Canada.
If you have activated the
Daytime running
lights function and the light switch is in the
$ orc position, the daytime running
lamps are automatically switched on when
the engine is running.
Depending on the ambient light, the following
will additionally light up:
R parking lamps
R tail lamps
R license plate lamp
R side marker lamps
If you turn the light switch to a different
position, the corresponding lights are
switched on. If you switch off the daytime
running lamps at night, make sure that the
light switch is set to Lorc.
The factory setting is On .
X Press the =or; button on the
steering wheel to select the Settings menu.
X Press the 9or: button to select
daytime running lamps .
X Press the abutton to confirm.
X To activate/deactivate: pressa
again. Menus and submenus
349On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
The red
F(USAonly)/! (Canada only) indicator lamp lights
up .The yellow F(USA only )/! (Canada only) warning lamp
lights up and a warning tone sounds.
The electric parking brake is malfunctioning and the braking effect
is restricted.
While the vehicle is in motion:
X Release the electric parking brake handle.
While the vehicle is stationary:
X Switch off the ignition and turn it back on.
X Release the electric parking brake.
If the display message continues to be displayed:
X Shift the transmission to P.
X Use the folding wheel chock (Y page 438) from the vehicle tool
kit to secure the vehicle against rolling away.
X Consult a qualified specialist workshop. F(USA
only)!(Canada
only)
Parking Brake See
Operator's Manual The yellow
F(USA only)/! (Canada only) warning lamp
lights up. Additionally, the red F(USA only)/! (Canada
only) indicator lamp may light up.
The electric parking brake is malfunctioning.
To release:
X Pull the electric parking brake handle.
or
X Pull away carefully.
X Visit a qualified specialist workshop.
To apply:
X Switch the ignition off.
X Pull the electric parking brake lever for at least ten seconds,
until the display message disappears.
If the display message continues to be displayed:
X Shift the transmission to P.
X Use the folding wheel chock (Y page 438) from the vehicle tool
kit to secure the vehicle against rolling away.
X Consult a qualified specialist workshop. 358
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
The red
F(USAonly)/! (Canada only) indicator lamp lights
up.
The powe rsupply for the electric parking brake was interrupted.
X Pull the electric parking brake handle.
or
X Pull away carefully.
or
X Pull the electric parking brake handle until the display message
disappears. The red
F(USAonly)/! (Canada only) indicator lamp lights
up .The yellow F(USA only)/! (Canada only) warning lamp
lights up.
The electric parking brake is malfunctioning.
X Switch off the ignition and turn it back on.
X Engage or release the electric parking brake.
or
X Pull away carefully.
X Visit a qualified specialist workshop. The yellow
F(USA only)/! (Canada only) warning lamp
lights up. The red F(USA only)/! (Canada only) indicator
lamp flashes for approximately 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
overvoltage or undervoltage.
X Pull away carefully.
X Visit a qualified specialist workshop.
If there is overvoltage or undervoltage:
X Remove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
X Switch the ignition off and on, and then engage or release the
electric parking brake.
If this does not release the electric parking brake:
X Do not drive on.
X Consult a qualified specialist workshop. Display messages
359On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
The yellow
F(USA only)/ !(Canada only) warning lamp
lights up. The red F(USA only)/ !(Canada only) indicator
lamp flashes fo rapproximately ten seconds after the electric
parking brake has been applied or released. It then goes out or
remains lit.
The electric parking brake has overheated.
X Allow the vehicle to cool down. Do not engage or release the
electric parking brake during this time.
X Use the folding wheel choc k(Ypage 438 )from the vehicle tool
kit to secure the vehicl eagainst rolling away.
X When the vehicle has cooled down: switch the ignition off and
on again, then engage or release the electric parking brake. F(USA
only)!(Canada
only)
Parking Brake
Inoperative The yellow
F(USA only)/ !(Canada only) warning lamp
lights up. The red F(USA only)/! (Canada only) indicator
lamp flashes for approximately 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 the ignition off and on, and then engage the electric
parking brake.
If it is not possible to engage the electric parking brake:
X Shift the transmission to P.
X Use the folding wheel chock (Y page 438) from the vehicle tool
kit to secure the vehicle against rolling away.
X Consult a qualified specialist workshop. F(USA
only)!(Canada
only)
Turn On the
Ignition to
Release the
Parking Brake The red
F(USA only)/! (Canada only) indicator lamp lights
up.
You attempted to release the electric parking brake while the
ignition was switched off.
X SmartKey: turn the SmartKey to position 1in the ignition lock.
X KEYLESS-GO: switch on the ignition.360
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
$(USA
only)
J(Canada
only)
Service See Operator's Manual There is a malfunction in the system. The brak
esystem continues
to operate normally.
X Drive on carefully.
X Visit a qualified specialist workshop. $(USA
only)
J(Canada
only)
Check Brake Fluid Level There is no
tenough brake fluid in the brake fluid reservoir.
Additionally, the red $(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 ris kofanaccident.
X Pull ove rand stop the vehicle safely as soo nas possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 289).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. Display messages Possible causes/consequences and
M Solutions
G
Tele Aid
Inoperative USA only: one or more of the main functions in the mbrace system
are malfunctioning.
Canada only: one or more of the main functions of the TELEAID
system are malfunctioning.
X USA only: have the mbrace system checked at aqualified
specialist workshop.
X Canada only: have the TELEAI Dsystem checked at a qualified
specialist workshop. PRE-SAFE
Inoperative See
Operator's Manual Important function
sof PRE-SAFE ®
have failed .All other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. Display messages
361On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
PRE-SAFE
Function Currently
Limited See
Operator's Manual PRE-SAFE
®
Brake is temporarily inoperative. Possible causes are:
R the DISTRONIC PLUS cover in the radiator trim is dirty
R function is impaired due to heavy rain or snow.
R the sensors in the bumpers are dirty.
R the rada rsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 289).
X Clean the DISTRONIC PLUS cover in the radiator trim
(Y page 431).
X Clean the bumpers (Y page 431).
X Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
PRE-SAFE ®
Brake is operational again. PRE-SAFE
Function Limited
See Operator's
Manual PRE-SAFE
®
Brak eisd efective. BAS PLUS or the distanc ewarning
signal may also have failed.
X Visi taqualified specialist workshop. 6
SRS Malfunction
Service Required There is a malfunction in the SRS (Supplemental Restraint
System). The
6warning lamp also lights up in the instrument
cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. 362
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
6
Front Left SRS
Malfunction
Service Required
or
Front Right SRS Malfunction
Service Required SRS has malfunctioned at the front on the left or right. The
6
warning lamp also lights up in the instrumen tcluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. 6
Rear Left SRS
Malfunction
Service Required
or
Rear Right SRS Malfunction
Service Required SRS has malfunctione
dat the rear on the left or right. The 6
warning lamp also lights up in the instrument cluster.
G WARNING
The ai rbags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased ris kofinjury.
X Visi taqualified specialist workshop. 6
Left Side Curtain
Airbag Malfunction
Service Required
or
Right Side Curtain Airbag
Malfunction
Service Required There is a malfunction in the left-hand or right-hand window
curtain air bag.
The 6 warning lamp also lights up in the instrument cluster.
G WARNING
The left or right window curtain air bag may either be triggered
unintentionally or, in the event of an accident, may not be
triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. Display messages
363On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
lamp remains lit or goes out depends on how OCS classifies the
occupant.
If the conditions are no
tfulfilled, the system is no toperating
correctly.
X Visit a qualified specialist workshop immediately. G
WARNING
If the 42 indicator lamp remains off even after performing the above corrective
steps, do not have any children twelve years old and under and other small individuals use the
front-passenger seat until the system has been repaired. Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed. Display messages Possible causes/consequences and
M Solutions
b
Check Left
Cornering
Light or
Check Right Cornering
Light The left or right-hand cornering light is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 256).
or
X Visit a qualified specialist workshop. b
Check Left Low
Beam or
Check Right
Low Beam The left or right-hand low-beam headlamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 256).
or
X Visit a qualified specialist workshop. b
Check Rear Left
Turn
Signal or
Check Rear Right Turn
Signal The rear left-hand or rear right-hand turn signal is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 256).
or
X Visit a qualified specialist workshop. Display messages
367On-board computer and displays Z