2014 MERCEDES-BENZ C-Class SEDAN headlamp

If you have activated the
SurroundLighting function and the lights
witch is set
to 0004, the following function sare activated
when it is dark:
R surround lighting: the exterior lighting
remains lit for 40 seconds after unlocking
with the SmartKey. If you start the engine,
the surround lighting is switched off and
automatic headlamp mode is activated
(Y page 115).
R exterio rlighting delayed switch-off: the
exterior lighting remains lit for
60 seconds afte rthe engine is switched off.
If you close all the doors and the trunk lid,
the exterior lighting goes off after
5s econds.
i Depending on your vehicle's equipment,
when the surround lighting and delayed
switch-off exterior lighting are on, the
following light up:
R Parking lamps
R Front fog lamps
R Low-beam headlamps
R Daytime running lamps
R Side marker lamps
R Surround lighting in the exterior mirrors
Activating/deactivating the interior
lighting delayed switch-off
If you activate the Interior Lighting Delay function, the interior lighting remains
on for 20 seconds after you remove the
SmartKey from the ignition lock.
X Press the 0002or0005 button on the
steering wheel to select the Sett menu.
X Press the 0004or0003 button to select the
Lights submenu.
X Press 000Bto confirm.
X Press the 0004or0003 button to select the
Interior Lighting Delay function.
If the Interior Lighting Delay function
has been switched on, the vehicle interior is displayed in orange in the multifunction
display.
X Press the 000Bbutton to save the setting.
Vehicle Activating/deactivating the automatic
door locking mechanism
X
Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Vehicle submenu.
X Press 000Bto confirm.
X Press the 0004or0003 button to select the
Auto. Door Locks function.
When the Auto. Door Locks function is
activated, the vehicle doors are displayed
in orange in the multifunction display.
X Press the 000Bbutton to save the setting.
If you activate the Auto. Door Locks function, the vehicle is centrally locked above
a speed of around 9 mph (15 km/h).
For further information on the automatic
locking feature, see (Y
page 83).
Activating/deactivating the acoustic
locking verification signal
If you switch on the Acoustic Lock function,
an acoustic signal sounds when you lock the
vehicle.
X Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Vehicle submenu.
X Press 000Bto confirm.
X Press the 0004or0003 button to select the
Acoustic Lock function.
If the Acoustic Lock function is activated,
the 000A symbol in the multifunction
display lights up orange.
X Press the 000Bbutton to save the setting. Menus and submenus
217On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
X
Wait fo raperiod of at least 60 seconds until the necessary
system checks have been completed.
X Make sure that the display messages do not appear in the
multifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the PASSENGER AIR BAG OFF indicator
lamp remains lit or goes out depends on how OCS classifies the
occupant.
If the conditions are not fulfilled, the system is not operating
correctly.
X Visit a qualified specialist workshop immediately.
For further information about the Occupant Classification System,
see (Y page 47). Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed. Display messages Possible causes/consequences and
0001 Solutions
0002
Check Left
Cornering
Light orCheck Right
Cornering Light The left or right-hand cornering light is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 121).
or
X Visit a qualified specialist workshop. 0002
Check Left Low
Beam orCheck Right
Low Beam The left or right-hand low-beam headlamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 121).
or
X Visit a qualified specialist workshop. 0002
Check Rear Left
Turn Signal orCheck
Rear Right Turn
Signal The rear left-hand or rear right-hand turn signal is defective.
X
Visit a qualified specialist workshop. 230
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
0002
Check
Left Reverse
Lamp or
Check Right Reverse Lamp The lef
torright-hand backup lamp is defective.
X Check whether you are permitted to replace the bulb yourself
(Y page 121).
or
X Visit a qualified specialist workshop. 0002
Check Front Left
Sidemarker
Lamp or
Check Front Right Sidemarker
Lamp The left or right front side marker lamp is defective.
X
Visit a qualified specialist workshop. 0002
Check Rear Left
Sidemarker
Lamp or
Check Rear Right Sidemarker
Lamp The rear left or right side marker lamp is defective.
X
Visit a qualified specialist workshop. 0002
Check
Left Daytime
Running
Light or
Check Right Daytime
Running Light The left-hand or right-hand daytime running lamp is faulty.
X
Visit a qualified specialist workshop. 0002
Active Headlamps
Inoperative The active light function is defective.
X
Visit a qualified specialist workshop. 0002
Malfunction See
Operator's Manual The exterior lighting is defective.
X
Visit a qualified specialist workshop. 0002
Malfunction See
Operator's Manual The exterior lighting is defective.
X
Visit a qualified specialist workshop. 0002
Auto
Lamp Function
Inoperative The light sensor is defective.
X
Visit a qualified specialist workshop. 232
Display messagesOn-board computer and displays

X
Slowly turn cap 0002half a turn counter-
clockwise and allow excess pressure to
escape.
X Turn cap 0002further counter-clockwise and
remove it.
If the coolant is at the level of marker bar
0022 in the fille rneck when cold, there is
enough coolant in coolant expansion
tank 0003.
If the coolant level is approximately 0.6 in
(1.5 cm) above marker bar 0022in the fuel
filler neckw hen warm, there is enough
coolant in expansion tank 0003.
X If necessary, add coolant that has been
tested and approved by Mercedes-Benz.
X Replace cap 0002and turn it clockwise as far
as it will go.
For further information on coolant, see
(Y page 356).
Adding washer fluid to the windshield
washer system/headlam pcleaning
system G
WARNING
Certain components in the engine
compartment, such as the engine, radiator
and parts of the exhaust system, can become
very hot .Working in the engine compartment
poses a risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following. G
WARNING
Windshield washer concentrate is highly
flammable. If it comes into contact with hot
engine components or the exhaust system it
could ignite. There is a risk of fire and injury.
Make sure that no windshield washer
concentrate is spilled next to the filler neck. X
To open: pull cap0002upwards by the tab.
X Add the premixed washer fluid.
X To close: press cap 0002onto the filler neck
until it engages.
The washer fluid reservoir is used for both the
windshield washer system and the headlamp
cleaning system.
If the washer fluid level drops below the
recommended minimum of 1liter, a message
appears in the multifunction display
prompting you to add washer fluid
(Y page 246).
Further information on windshield washer
fluid/antifreeze (Y page 357). Care
General notes
! For cleaning your vehicle, do not use any
of the following:
R dry, rough or hard cloths
R abrasive cleaning agents
R solvents
R cleaning agents containing solvents
Do not scrub.
Do not touch the surfaces or protective
films with hard objects, e.g. a ring or ice
scraper. You could otherwise scratch or
damage the surfaces and protective film. Care
291Maintenance and care Z

adequate antifreeze and corrosion
protection.
i The coolan tis checked with every
maintenance interval at a qualified
specialist workshop.
Filling capacities Model Capacity
C 250
Approx. 8.1 US qt
(7.7 l) C 350 4MATIC
(Canada only)
Approx. 8.9 US qt
(8.4 l) C 63 AMG
Approx. 12.4 US qt
(11.7 l) All other models
Approx. 10.1 US gal
(9.6 l) i
Use MB 325.0 or MB 326.0 corrosion
inhibitor/antifreeze. Windshield washer system
Important safety notes G
WARNING
Windshield washer concentrate is highly
flammable. If it comes into contact with hot
engine components or the exhaust system it
could ignite. There is a risk of fire and injury.
Make sure that no windshield washer
concentrate is spilled next to the filler neck.
! Only use washer fluid that is suitable for
plastic lamp lenses, e.g. MB SummerFit or
MB WinterFit. Unsuitable washer fluid
could damage the plastic lenses of the
headlamps.
! Do not add distilled or de-ionized water to
the washer fluid container. Otherwise, the
level sensor may be damaged.
! Only MB SummerFit and MB WinterFit
washer fluid should be mixed together. The spray nozzles may otherwise become
blocked.
When handling washer fluid, observe the
important safety notes on service products
(Y page 351).
At temperatures above freezing:
X Fill the washer fluid reservoir with a mixture
of water and windshield washer fluid, e.g.
MB SummerFit.
X Add 1 part MB SummerFit to 100 parts
water.
At temperatures below freezing:
X Fill the washer fluid reservoir with a mixture
of water and washer fluid, e.g. MB
WinterFit.
Adapt the mixing ratio to the outside
temperature.
R Down to 14 ‡ (001710 †): mix 1 part MB
WinterFit to 2 parts water.
R Down to 00174 ‡ (001720 †): mix 1 part MB
WinterFit to 1 part water.
R Down to 001720.2 ‡ (001729 †): mix 2 parts MB
WinterFit to 1 part water.
i Add windshield washer fluid, e.g. MB
SummerFit or MB WinterFit, to the washer
fluid all year round. Climate control system refrigerant
Important safety notes The climate control system of your vehicle is
filled with refrigerant R-134a.
The instruction label regarding the refrigerant
type used can be found on the radiator cross
member.
!
Only the refrigerant R-134a and the PAG
oil approved by Mercedes-Benz may be
used. The approved PAG oil may not be
mixed with any other PAG oil that is not
approved for R-134a refrigerant.
Otherwise, the climate control system may
be damaged. Service products and filling capacities
357Technical data Z