2015 MERCEDES-BENZ C-Class SEDAN lights

X
Press the 0064or0063 button to select the
Daytime Running Lights
Daytime Running Lights function.
If the Daytime Running Lights
Daytime Running Lights function
has been switched on, the cone of light and the 0086 symbol in the multifunction dis-
play are shown in white.
X Press the 0076button to save the setting.
Further information on daytime running
lamps (Y page 124).
Instrument cluster submenu Selecting the unit of measurement for dis-
tance
The Display Unit Speed-/Odometer:
Display Unit Speed-/Odometer:
function allows you to choose whether cer-
tain displays appear in kilometers or miles in the multifunction display.
X Use 00E2 on the steering wheel to call up
the list of menus.
X Press the 0064or0063 button on the steer-
ing wheel to select the Settings
Settings menu.
X Confirm by pressing 0076on the steering
wheel.
X Press the 0064or0063 button to select the
Instrument Cluster
Instrument Cluster submenu.
X Press 0076to confirm.
X Press the 0064or0063 button to select the
Display Unit Speed-/Odometer
Display Unit Speed-/Odometer func-
tion.
You will see the selected setting: km
km or
miles miles.
X Press the 0076button to save the setting.
The selected unit of measurement for dis-
tance applies to: R Digital speedometer in the Trip
Trip menu
R Odometer and the trip odometer
R Trip computer
R Current consumption and the range
R Navigation instructions in the Navi Navimenu
R Cruise control
R DISTRONIC PLUS
R ASSYST PLUS service interval display Selecting the permanent display function
Using the Permanent
Permanent Display:
Display:function you
can enable outside temperature and addi-
tional speedometer displays in the status
area of the multifunction display.
X Use 00E2 on the steering wheel to call up
the list of menus.
X Press the 0064or0063 button on the steer-
ing wheel to select the Settings Settingsmenu.
X Confirm by pressing 0076on the steering
wheel.
X Press the 0064or0063 button to select the
Instrument Cluster
Instrument Cluster submenu.
X Press 0076to confirm.
X Press 0064or0063 to select the Perma‐
Perma‐
nent Display
nent Display function.
X Press 0076to confirm.
The current selection Outside Tempera‐
Outside Tempera‐
ture
ture orSpeedometer
Speedometer is displayed.
X To change the setting: press0076again.
Switching the additional speedometer
on/off
Use the Additional Speedometer
Additional Speedometer function
to choose whether the status area in the mul- tifunction display shows the speed digitally.
The unit in the additional speedometer is
always inverse to the speedometer unit.
X Use 00E2 on the steering wheel to call up
the list of menus.
X Press the 0064or0063 button on the steer-
ing wheel to select the Settings
Settings menu.
X Confirm by pressing 0076on the steering
wheel.
X Press the 0064or0063 button to select the
Instrument Cluster Instrument Cluster submenu.
X Press 0076to confirm.
X Use 0064 or0063 to select the Addi‐
Addi‐
tional Speedometer
tional Speedometer function.
The current selection is displayed.
X To activate/deactivate: press the0076
button again. 248
Menus and submenusOn-board computer and displays

Restoring the factory settings
X
Use 00E2 on the steering wheel to call up
the list of menus.
X Press the 0064or0063 button on the steer-
ing wheel to select the Settings
Settings menu.
X Confirm by pressing 0076on the steering
wheel.
X Press the 0064or0063 button to select the
Factory Settings
Factory Settings submenu.
X Press 0076to confirm.
The Reset All Settings?
Reset All Settings? message
appears.
X Press the 0064or0063 button to select No
No
or Yes
Yes.
X Press 0076to confirm the selection.
If you have selected Yes
Yes, the multifunction
display shows a confirmation message.
For safety reasons, the Daytime Running
Daytime Running
Lights
Lights function in the Lights
Lightssubmenu is
only reset if the vehicle is stationary. Menus and submenus
249On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions 007A0025
00E5
Inoperative See Inoperative See
Operator's Manual Operator's Manual EBD (electronic brake force distribution), ABS, ESP
®
, BAS,
PRE ‑SAFE ®
, HOLD function, Crosswind Assist, hill start assist,
STEER CONTROL, Active Lane Keeping Assist and Active Blind
Spot Assist are unavailable due to a malfunction.
BAS PLUS, PRE‑SAFE ®
Brake, PRE ‑SAFE®
PLUS and 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.
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. 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 176).
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 making an emergency stop using the electric parking
brake (Y page 176). 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. 254
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
0050
0050Solutions 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 176).
If the electric parking brake still cannot be released: X Do not drive on.
X Consult a qualified specialist workshop. 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 382).
X Shift the transmission to P.
X Turn the front wheels towards the curb.
X Consult a qualified specialist workshop. Display
messages
255On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions 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 manually: X Release the electric parking brake automatically (Y page 176).
If the electric parking brake still cannot be released:
X Consult a qualified specialist workshop. 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 Pas the electric parking brake is not
being applied automatically.
X Visit a qualified specialist workshop.
If it is not possible to release the electric parking brake manually:
X Release the electric parking brake automatically (Y page 176).256
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
0050
0050Solutions 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.
If the electric parking brake still cannot be applied: X Visit 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 Switch on the ignition. Display
messages
257On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions 0027(USA
only)004D
(Canada
only)
Check Brake Fluid Check Brake Fluid
Level Level There is not enough brake fluid in the brake fluid reservoir.
In addition, the
0027(USA only)/ 004D(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 risk of an accident. X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 174).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. 0026
Check Brake Pad Check Brake Pad
Wear Wear The brake pads/linings have reached their wear limit.
USA only: the red
0027brake system warning lamp also lights up
while the engine is running.
X Visit a qualified specialist workshop. 0053
Inoperative Inoperative One or more main features of the mbrace system are malfunc-
tioning.
X Have the mbrace system checked immediately at a qualified
specialist workshop. Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
Currently Unavail‐ Currently Unavail‐
able See Opera‐ able See Opera‐
tor's Manual tor's Manual COLLISION PREVENTION ASSIST PLUS is temporarily not opera-
tional. Possible causes are:
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
When the causes stated above no longer apply, the display mes-
sage disappears.
COLLISION PREVENTION ASSIST PLUS is operational again.
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 174).
X Restart the engine. 258
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
0050
0050Solutions Radar Sensors
Radar Sensors
Dirty See Opera‐ Dirty See Opera‐
tor's Manual tor's Manual At least one of the following driving systems or driving safety sys-
tems is temporarily restricted or inoperative:
R PRE-SAFE ®
PLUS
R PRE-SAFE ®
Brake
R COLLISION PREVENTION ASSIST PLUS
R Active Lane Keeping Assist
R Active Blind Spot Assist
R DISTRONIC PLUS
Possible causes are:
R the sensors in the radiator trim and/or in the bumpers are dirty.
R the function of the driving system and/or driving safety system
is impaired due to heavy rain or snow.
A warning tone also sounds.
When the causes stated above no longer apply, the display mes-
sage disappears. All driving systems/driving safety systems are
operative again.
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 174).
X Switch off the engine.
X Clean the sensors in the following locations (Y page 334):
R in the radiator trim
R in the front bumper
R in the rear bumper, particularly in the middle of the rear
bumper
X Restart the engine.
The display message disappears. 0075
SRS Malfunction SRS Malfunction
Service Required Service Required The restraint system is faulty. The
0075warning lamp also lights
up in the instrument cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be trig- gered 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.
For further information about the restraint system, see
(Y page 42). 260
Display
messagesOn-board computer and displays