2014 MERCEDES-BENZ C-Class SEDAN heating

Eyeglasses compartment
.................263 F
Fille rcap
see Fuel filler flap
First-aid kit ......................................... 300
Flat tire MOExtended run-fla tsystem ......... 301
Preparing the vehicle .....................301
see Emergency spare wheel
Floormats ........................................... 284
Fog lamps Switching on/off ........................... 115
Front fog lamps
Display message ............................ 231
Switching on/off ........................... 115
Fuel
Additives ........................................ 353
Consumption statistics ..................207
Displaying the current
consumption .................................. 208
Displaying the range ......................208
Driving tips .................................... 166
Flexible fuel vehicles ......................354
Fuel gauge ....................................... 31
Grade (gasoline) ............................ 353
Important safety notes ..................352
Notes for AMG vehicles .................353
Premium-grade unleaded gasoline .353
Problem (malfunction) ...................164
Refueling ........................................ 162
Tank content/reserve fuel .............352
Fuel filler flap
Emergency release ........................163
Opening/closing ............................ 162
Fuel level
Calling up the range (on-board
computer) ...................................... 208
Fuel tank
Capacity ........................................ 352
Problem (malfunction) ...................164
Fuse allocation chart (vehicle tool
kit) ...................................................... 300
Fuses Allocation chart ............................. 310
Before changing ............................. 310
Dashboard fuse box .......................311Fuse box in the engine
compartment
................................. 311
Fuse box in the trunk .....................312
Important safety notes ..................310 G
Garage door opener Clearing the memory .....................284
Important safety notes ..................281
Opening/closing the garage door ..283
Programming (button in the rear-
view mirror) ................................... 282
Gear indicator (on-board computer) 219
Gear or selector lever (cleaning
guidelines) ......................................... 296
Genuine parts ...................................... 21
Glove box ........................................... 263 H
Handbrake see Parking brake
Hazard warning lamps ......................117
Headlamps Adding fluid to cleaning system .....291
Cleaning system (function) ............117
Cleaning system (notes) ................357
Fogging up ..................................... 119
see Automatic headlamp mode
Head restraints
Adjusting ....................................... 101
Adjusting (electrically). ..................102
Adjusting (manually). .....................102
Adjusting (rear) .............................. 102
Installing/removing (rear) ..............103
Luxury ............................................ 102
see NECK-PRO head restraints/
NECK-PRO luxury head restraints
Heating
see Climate control
High-beam headlamps
Changing bulbs .............................. 122
Display message ............................ 231
Switching on/off ........................... 117
Hill start assist .................................. 15010
Index

Reporting safety defects
....................26
Reserve (fuel tank) see Fuel
Reserve fuel
Display message ............................ 236
Warning lamp ................................. 256
see Fuel
Residual heat (climate control) ........141
Restraint system see SRS (Supplemental Restraint
System)
Reverse gear
Engaging (automatic transmission) 154
Reversing feature
Panorama sliding sunroo f................ 91
Roller sunblinds ............................... 93
Side windows ................................... 88
Sliding sunroo f................................. 91
Trunk lid .......................................... .84
Roadside Assistance (breakdown) ....23
Roller blind see Roller sunblind
Roller sunblind
Panorama roof with power tilt/
sliding panel ..................................... 93
Rea rside windows ......................... 269
Rea rwindow .................................. 269
Roof carrier ........................................ 267
Roof lining and carpets (cleaning
guidelines) ......................................... 297
Roof load (maximum) ........................358
Route (navigation) see Route guidance (navigation)
Route guidance (navigation) ............209 S
Safety Childre ninthe vehicle ..................... 59
Child restraint systems ....................59
Occupant Classification System
(OCS) ............................................... 47
Overview of occupant safety
systems ........................................... 40
Safety system
see Driving safety systems Seat belts
Adjusting the driver's and front-
passenger sea tbelt ......................... 56
Adjusting the height ......................... 56
Belt force limiters ............................ 58
Cleaning ......................................... 297
Correct usage .................................. 55
Emergency Tensioning Devices ....... .58
Fastening ......................................... 56
Important safety guidelines .............54
Releasing ......................................... 57
Safety guidelines ............................. 41
Switching belt adjustment on/off
(on-board computer) ......................218
Warning lamp ................................. 248
Warning lamp (function) ................... 57
Seats
Adaptive sea tbackrests (AMG
vehicles) ........................................ 103
Adjusting (electrically). ..................100
Adjusting (manually and
electrically). ................................... 100
Adjusting lumba rsuppor t.............. 103
Adjusting the 4-way lumbar
support .......................................... 103
Adjusting the head restraint ..........101
Cleaning the cover .........................297
Correct driver's seat position ........... 98
Important safety notes ....................99
Seat heating problem ....................105
Seat ventilation problem ................105
Storing settings (memory function) 110
Switching sea theating on/off .......104
Switching seat ventilation on/off ..105
Sensors (cleaning instructions) .......295
Service menu (on-board computer) .215
Service products Brake fluid ..................................... 355
Coolant (engine) ............................ 356
Engine oil ....................................... 354
Fuel ................................................ 351
Important safety notes ..................351
Refrigerant (air-conditioning
system) .......................................... 357
Washer fluid .................................. .357
Service work
see ASSYST PLUS Index
15

Center console
Center console, upper section
Function Page
0002
Audio system/COMAND;
see the separate operating
instructions
0002
Audio system/COMAND;
see the separate operating
instructions
0003
0009
Seat heating 104
0022
0012
Seat ventilation 105
0021
0005
PARKTRONIC 185 Function Page
001F
001A
Hazard warning
lamps 117
0020
0019001B
Indicator lamp 47
0012
0013
Roller sunblind in the
rear window 269
0013
0003
Dynamic driving
package with sports mode 181
0015
AMG vehicles: ESP ® 6934
Center consoleAt a glance

Problem Possible causes/consequences and
0001 Solutions
The engine cannot be
started using the
SmartKey. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 302).
or
X Jump-start the vehicle (Y page 306).
or
X Consult a qualified specialist workshop. The engine cannot be
started using the
SmartKey. The steering lock is mechanically blocked.
X
Remove the SmartKey and reinsert it into the ignition lock. While
doing this, turn the steering wheel in both directions. The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle. Ad
oor is open. Therefore, the SmartKey cannot be detected as
easily.
X Close the door and try to start the vehicle again. There is interference from a powerful source of radio waves.
X
Start your vehicle with the SmartKey in the ignition lock. Doors
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shifting the automatic transmission out of
park position P
R Start the engine.
There is a risk of an accident and injury. When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
G
WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
You should preferably place luggage or loads
in the cargo compartment. Observe the
loading guidelines (Y page 262). Doors
81Opening and closing Z

!
To avoid damage to the seats and the seat
heating, observe the following information:
R keep liquids from spilling on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat
heating should also not be used to dry
the seats.
R clean the seat covers as recommended;
see the "Interior care" section.
R do not transport heavy loads on the
seats. Do not place sharp objects on the
seat cushions, e.g. knives, nails or tools.
The seats should only be occupied by
passengers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating
materials, e.g. blankets, coats, bags,
seat covers, child seats or booster seats.
! Make sure that there are no objects in the
footwell or behind the seats when resetting
the seats. There is a risk that the seats
and/or the objects could be damaged.
i The head restraints in the front seats are
installed with the NECK-PRO system
(Y page 52). For this reason, it is not
possible to remove the head restraints
from the front seats.
Vehicles without the through-loading
feature: the head restraints cannot be
removed from the rear compartment seats.
For more information, contact a qualified
specialist workshop.
i Further related subjects:
R Rear bench seat through-loading feature
(Y page 264) Adjusting the seats manually and
electrically
0002
Backrest angle
0003 Seat height
0022 Seat cushion angle
0021 Seat fore-and-aft adjustment
i AMG vehicles are equipped with a seat
with an integrated head restraint. It is
therefore not possible to set the height and
angle of the head restraint.
i Adjust the seat cushion angle so that your
thighs are lightly supported.
Seat fore-and-aft adjustment X
Lift handle 0021and slide the seat forwards
or rearwards.
X Release lever 0021again.
Make sure that you hear the seat engage in
position.
Seat cushion angle X
Turn handwheel 0022in the desired direction. Adjusting the seats electrically
i Vehicles without Memory function: the
seats can be adjusted within three minutes
of a front door being opened. 100
SeatsSeats, steering wheel and mirrors

0002
To adjust the upper back support
0003 To adjust the contour of the backrest in
the lumbar region
0022 To adjust the lateral structure and support
of the seat
X Make sure that the SmartKey is in position
2in the ignition lock.
i Repeat the adjustmen tifthe seat no
longer has the desired contour after a
certain amount of time. Switching the seat heating on/off
Activating/deactivating G
WARNING
Repeatedly switching on the seat heating can
cause the seat cushion and backrest pads to
become very hot. The health of persons with
limited temperature sensitivity or a limited
ability to react to excessively high
temperatures may be affected or they may
even suffer burn-like injuries. There is a risk
of injury.
Therefore, do not switch the seat heating on
repeatedly.
The three red indicator lamps in the button
indicate the heating level you have selected.
i If the battery voltage is too low, the seat
heating may switch off. Driver's and front-passenger seat
The system automatically switches down
from level
3to level 2after approximately
eight minutes.
The system automatically switches down
from level 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Make sure that the SmartKey is in position
1or 2in the ignition lock.
X To switch on: press button0002repeatedly
until the desired heating level is set.
X To switch off: press button0002repeatedly
until all the indicator lamps go out. 104
SeatsSeats, steering wheel and mirrors

Problems with the seat heating
Problem Possible causes/consequences and
0001 Solutions
The seat heating has
switched off
prematurely or cannot
be switched on. The on-board voltage is too low because too many electrical
consumers are switched on.
X
Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting. Switching the seat ventilation on/off
Activating/deactivating The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
i If the battery voltage is too low, the seat
ventilation may switch off. X
Make sure that the SmartKey is in position
2 in the ignition lock.
X To switch on: press button0002repeatedly
until the desired ventilation level is set.
i You can open the side windows and the
sliding sunroof using the "Convenience
opening" feature (Y page 89). The seat
ventilation of the driver's seat
automatically switches to the highest level.
X To switch off: press button0002repeatedly
until all the indicator lamps go out. Problems with the seat ventilation The seat ventilation has switched off
prematurely or cannot be switched on. The
vehicle's electrical system voltage is too low
because too many electrical consumers are
switched on.
X
Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting. Steering wheel
Important safety notes
G
WARNING
You could lose control of your vehicle if you
do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint,
steering wheel and mirror and fasten your
seat belt before starting the engine. G
WARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle. Steering wheel
105Seats, steering wheel and mirrors Z

For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder.
The convex exterior mirrors provide a larger
field of vision.
The exterior mirrors are automatically heated
afte rstarting the vehicl eifthe rear window
defroster is switched on and the outside
temperature is low. Mirror heating lasts up to
10 minutes.
i You can also heat up the exterior mirrors
manually by switching on the rear window
defroster. X
Make sure that the SmartKey is in position
1or 2in the ignition lock.
X Press button 0002for the left-hand exterior
mirror or button 0003for the right-hand
exterior mirror.
The indicator lamp in the corresponding
button lights up in red.
The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button 0022as long
as the indicator lamp is lit.
X Press adjustment button 0022up, down, or
to the left or right until you have adjusted
the exterior mirror to the correct position.
You should have a good overview of traffic
conditions. Folding the exterior mirrors in or out
electrically This function is only available in vehicles for
Canada.
X
Make sure that the SmartKey is in position
1or 2in the ignition lock.
X Briefly press button 0002.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
i If you are driving faster than
9m ph(15 km/h), you can no longer fold in
the exterior mirrors.
Setting the exterior mirrors This function is only available in vehicles for
Canada.
If the battery has been disconnected or
completely discharged, the exterior mirrors
must be reset
.The exterior mirrors will
otherwise not fold in when you select the
"Fold in mirrors when locking" function in the
on-board computer (Y page 218).
X Make sure that the SmartKey is in
position 1in the ignition lock.
X Briefly press button 0002.
Folding the exterior mirrors in or out
automatically This function is only available in vehicles for
Canada.108
MirrorsSeats, steering wheel and mirrors