heating MERCEDES-BENZ C-Class COUPE 2012 CL204 Owner's Manual

Matte finish ................................... 272
Notes ............................................. 269
Paint .............................................. 271
Plastic trim .................................... 274
Power washer ................................ 271
Rear view camera .......................... 273
Roof lining ...................................... 275
Seat belt ........................................ 275
Seat cover ..................................... 274
Sensors ......................................... 273
Steering wheel ............................... 274
Tail pipes ....................................... 273
Trim pieces .................................... 274
Washing by hand ........................... 270
Wheels ........................................... 271
Windows ........................................ 272
Wiper blades .................................. 272
Wooden trim .................................. 274
Cargo tie down rings ......................... 245
Car wash (care) ................................. 270
CD player/CD changer (on-board
computer) .......................................... 190
Cell phone see Mobile phone
Center console ..................................... 32
Central locking Automatic locking (on-board
computer) ...................................... 196
Locking/unlocking (SmartKey) ........68
Changing bulbs
Brake lamps ................................... 110
Cornering light function .................109
High-beam headlamps ...................108
Important safety notes ..................106
Low-beam headlamps ....................108
Overview of bulb types ..................107
Parking lamps ................................ 109
Reversing lamps ............................ 110
Standing lamps (front) ...................109
Children
In the vehicle ................................... 52
Restraint systems ............................ 52
Child seat
LATCH-type (ISOFIX) child seat
anchors ............................................ 54
Special seat belt retractor ...............54
Top Tether ....................................... 55
Cigarette lighter ................................ 248Climate control
Controlling automatically ...............117
Cooling with air dehumidification ..117
Defrosting the windows .................119
Defrosting the windshield ..............119
Dual-zone automatic climate
control ........................................... 115
Important safety notes ..................114
Indicator lamp ................................ 117
Maximum cooling .......................... 119
Notes on using automatic climate
control ........................................... 116
Overview of systems ......................114
Problems with cooling with air
dehumidification ............................ 117
Problem with the rear window
defroster ........................................ 120
Refrigerant ..................................... 330
Setting the air distribution .............118
Setting the airflow .........................118
Setting the air vents ......................120
Setting the temperature ................118
Switching air-recirculation mode
on/off ............................................ 120
Switching on/off ........................... 117
Switching the rear window
heating on/off ............................... 120
Switching the ZONE function on/
off .................................................. 118
Cockpit
Overview .......................................... 28
see Instrument cluster
COMAND
see separate operating instructions
Combination switch .......................... 103
Compass Calibrating ..................................... 261
Calling up ....................................... 260
Setting ........................................... 260
Consumption statistics (on-board
computer) .......................................... 187
Convenience closing feature .............. 82
Convenience opening feature ............ 82
Coolant (engine) Checking the level .........................266
Display message ............................ 213
Notes ............................................. 331
Temperature (on-board computer) . 1986Index

Specifications ................................ 329
Tank content/reserve fuel .............328
Fuel filler flap
Opening/closing ............................ 138
Fuel level
Calling up the range (on-board
computer) ...................................... 187
Fuel tank
Capacity ........................................ 328
Problem (malfunction) ...................140
Fuse allocation chart (vehicle tool
kit) ...................................................... 278
Fuses Allocation chart ............................. 291
Before changing ............................. 291
Fuse box in the engine
compartment ................................. 291
Fuse box in the trunk .....................292
Important safety notes ..................291
G
Garage door opener Clearing the memory .....................260
Notes ............................................. 256
Opening/closing the garage door ..259
Programming (button in the rear-
view mirror) ................................... 257
Gasoline ............................................. 138
Gear indicator (on-board
computer) .......................................... 198
Gear or selector lever (cleaning
guidelines) ......................................... 274
Genuine Mercedes-Benz parts ......... 324
Glove box ........................................... 243
H
Handbrake see Parking brake
Hazard warning lamps ...................... 103
Headlamp cleaning system Notes ............................................. 332
Headlamps
Adding fluid to cleaning system .....267
Cleaning system (function) ............103
Fogging up ..................................... 105
see Automatic headlamp mode
Head restraints
Adjusting ......................................... 91
Adjusting (electrically) .....................91
see NECK-PRO head restraints
Heating
see Climate control
High-beam headlamps
Changing bulbs .............................. 108
Display message ............................ 211
Switching Adaptive Highbeam
Assist on/off ................................. 104
Switching on/off ........................... 103
Hill start assist .................................. 128
HOLD function Display message ............................ 216
Function/notes ............................. 159
Hood
Closing ........................................... 265
Display message ............................ 225
Opening ......................................... 264
Hydroplaning ..................................... 145
I
Ignition lock see Key positions
Immobilizer .......................................... 64
Indicator lamps see Warning and indicator lamps
Indicators
see Turn signals
Instrument cluster
Overview .......................................... 29
Settings ......................................... 194
Warning and indicator lamps ...........30
Instrument cluster lighting ................ 29
Instrument lighting see Instrument cluster lighting
Interior lighting ................................. 106
Automatic control ..........................106
Delayed switch-off (on-board
computer) ...................................... 196
Emergency lighting ........................106
Manual control ............................... 106
Overview ........................................ 106
Reading lamp ................................. 106
10Index

R
RACE START (AMG vehicles) ............. 161
RACETIMER (on-board computer) .... 198
Radar sensor system Activating/deactivating .................196
Display message ............................ 217
Radio
Selecting a station .........................189
see separate operating instructions
Reading lamp ..................................... 106
Rear compartment Setting the air vents ......................122
Rear fog lamp
Display message ............................ 211
Switching on/off ........................... 102
Rear seat (folding the backrest
forwards/back) ................................. 244
Rear view camera Cleaning instructions .....................273
Function/notes ............................. 168
Rear-view mirror
Anti-glare (manual) ..........................95
Dipping (automatic) .........................96
Rear window defroster
Problem (malfunction) ...................120
Rear window heating
Switching on/off ........................... 120
Refueling
Fuel gauge ....................................... 29
Important safety notes ..................137
Refueling process ..........................138
see Fuel
Releasing the parking lock
manually (automatic
transmission) ..................................... 137
Remote control Garage door opener .......................256
Reporting
Malfunctions relevant to safety ........ 24
Reserve (fuel tank)
see Fuel
Reserve fuel
Display message ............................ 216
Warning lamp ................................. 234
see Fuel Restraint system
see SRS (Supplemental Restraint
System)
Reverse gear
Engaging (automatic
transmission) ................................. 130
Roadside Assistance (breakdown) .... 21
Roller blind see Roller sunblind
Roller sunblind
Opening/closing .............................. 85
Panorama roof with power tilt/
sliding panel ..................................... 85
Roof carrier ........................................ 246
Roof lining and carpets (cleaning
guidelines) ......................................... 275
Roof load (maximum) ........................ 332
Route see Route guidance (navigation)
Route guidance (navigation) ............ 188
S
Safety Children in the vehicle .....................52
Child restraint systems ....................52
Occupant Classification System
(OCS) ............................................... 42
Overview of occupant safety
systems ........................................... 36
Safety systems
see Driving safety systems
Seat belts
Belt force limiters ............................ 51
Cleaning ......................................... 275
Correct usage .................................. 48
Emergency Tensioning Devices ........ 51
Fastening ......................................... 49
Important safety guidelines .............48
Releasing ......................................... 50
Safety guidelines ............................. 37
Special seat belt retractor ...............54
Warning lamp ................................. 227
Warning lamp (function) ................... 50
Seats
Adjusting (electrically) .....................90
Adjusting (manually and
electrically) ...................................... 90
14Index

Adjusting the 4-way lumbar
support ............................................ 91
Adjusting the head restraint ............91
Cleaning the cover .........................274
Correct driver's seat position ........... 88
Folding the backrests forward/
back ................................................. 91
Important safety notes ....................89
Seat backrest display message .....225
Seat backrest display message
(12-button multifunction steering
wheel) ............................................ 225
Seat heating problem ......................92
Seat ventilation problem ..................93
Storing settings (memory
function) .......................................... 97
Switching seat heating on/off .........92
Switching seat ventilation on/off ....92
Sensors (cleaning instructions) ....... 273
Service see ASSYST PLUS service interval
display
Service interval display
Displaying service messages .........269
Hiding service messages ...............269
Notes ............................................. 269
Service messages ..........................268
Service menu (on-board computer) . 194
Service products Brake fluid ..................................... 331
Capacities ...................................... 328
Coolant (engine) ............................ 331
Engine oil ....................................... 330
Fuel ................................................ 328
Important safety notes ..................326
Refrigerant (air-conditioning
system) .......................................... 330
Washer fluid ................................... 332
Settings
Factory (on-board computer) .........198
On-board computer .......................194
Setting the air distribution ............... 118
Setting the airflow ............................ 118
SETUP (on-board computer) ............. 198
Side impact air bag ............................. 40
Side marker lamp (display
message) ............................................ 212Side windows
Convenience closing feature ............82
Convenience opening feature ..........82
Important safety information ...........81
Opening/closing .............................. 81
Problem (malfunction) .....................83
Resetting ......................................... 83
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery .......................72
Changing the programming .............71
Checking the battery .......................72
Convenience closing feature ............82
Convenience opening feature ..........82
Display message ............................ 226
Door central locking/unlocking .......68
Important safety notes ....................68
Loss ................................................. 74
Mechanical key ................................ 71
Positions (ignition lock) .................125
Problem (malfunction) .....................74
Starting the engine ........................127
Snow chains ...................................... 297
Sockets Points to observe before use .........249
Rear compartment .........................249
Spare wheel
Notes/data .................................... 321
Storage location ............................ 279
see Emergency spare wheel
Specialist workshop ............................ 23
Speed, controlling see Cruise control
Speedometer
Digital ............................................ 187
In the Instrument cluster .................29
Segments ...................................... 183
Selecting the unit of
measurement ................................ 194
see Instrument cluster
SPORT handling mode
Activating/deactivating (AMG
vehicles) .......................................... 60
Warning lamp ................................. 232Index15

Center consoleFunctionPage:Audio system/COMAND;
see the separate operating
instructions;c Seat heating92=s Seat ventilation92?5 PARKTRONIC
(Canada only)
162
A£ Hazard warning
lamps
103
B45 Indicator lamp42CM Dynamic driving
package with sports mode
158
å AMG vehicles: ESP ®60FunctionPageDStowage compartment242Ashtray248Cigarette lighter248Power socket249ESelector lever130FCup holder246GStowage compartment242HAudio/COMAND controllerISelects the drive program13232Center consoleAt a glance

ProblemPossible causes/consequences and M SolutionsThe engine cannot be
started using the
SmartKey.The on-board voltage is too low.XSwitch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
XCheck the starter battery and charge it if necessary
( Y page 284).
or
XJump-start the vehicle ( Y page 287).
or
XConsult a qualified specialist workshop.The engine cannot be
started using the
SmartKey.The steering lock is mechanically blocked.XRemove 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.A door is open. Therefore, the SmartKey cannot be detected as
easily.XClose the door and try to start the vehicle again.There is interference from a powerful source of radio waves.XStart your vehicle with the SmartKey in the ignition lock.Doors
Important safety notes
GWARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system, and do not give them access
to an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and a child could be burned on these
parts.GWARNING
Do not carry heavy or hard objects in the
passenger compartment or trunk unless they
are firmly secured in place.
Doors75Opening/closingZ

injury to the head and neck in the event of an
accident or similar situation.
Do not drive the vehicle without the seat head
restraints. Head restraints are intended to
help reduce injuries during an accident.
! 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.
! When you move the seats, make sure that
there are no objects in the footwell or
behind the seats. Otherwise, you could
damage the seats and the objects.
i Vehicles without the through-loading
feature: the head restraints cannot be
removed from the rear compartment seats.
Please contact an authorized Mercedes-
Benz Center for more information.
i Other topics:
R Rear bench seat through-loading feature
( Y page 243)
Adjusting the seats manually and
electrically
You can only adjust the front-passenger seat
manually and electrically.
:Backrest angle;Seat height=Seat cushion angle?Seat fore-and-aft adjustment
i Adjust the seat cushion angle so that your
thighs are lightly supported.
Seat fore-and-aft adjustment
XLift handle ? and slide the seat forwards
or backwards.XRelease lever ? again.
Make sure that you hear the seat engage in
position.
Seat cushion angle
XTurn handwheel = in the desired direction.
Adjusting the seats electrically
:Head restraint height;Seat cushion angle=Seat height90SeatsSeats, steering wheel and mirrors

:To raise the backrest contour;To soften the backrest contour=To lower the backrest contour?To harden the backrest contour
Switching the seat heating on/off
Switching on/off
GWARNING
Repeatedly setting the seat heating to level
3 may result in excessive seat temperatures.
The health of passengers that have limited
temperature sensitivity or a limited ability to
react to excessively high temperatures may
be affected or they may even suffer burn-like
injuries. Therefore, do not use seat heating
level 3 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 3 to level 2 after approximately
eight minutes.
The system automatically switches down
from level 2 to level 1 after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.XMake sure that the SmartKey is in position
1 or 2 in the ignition lock.XTo switch on: press button : repeatedly
until the desired heating level is set.XTo switch off: press button : repeatedly
until all the indicator lamps go out.
Problems with the seat heating
The seat heating 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.
XSwitch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting.
Switching the seat ventilation on/off
Switching on/off
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.
92SeatsSeats, steering wheel and mirrors

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Please read the information on qualified
specialist workshops ( Y page 23).
Overview of climate control systems
Important safety notes
GWARNING
Severe conditions (e.g. strong air pollution)
may require replacement of the filter before
its scheduled replacement interval. A clogged
filter will reduce the air volume to the interior
and the windows could fog up, impairing
visibility and endangering you and others.
Have a blocked filter replaced at a Mercedes-
Benz Center as soon as possible.
GWARNING
Follow the recommended settings for heating
and cooling given on the following pages.
Otherwise, the windows could fog up,
impairing visibility and endangering you and
others.
Automatic climate control controls the
temperature and the humidity in the vehicle
interior and filters undesirable substances
from the air.
Automatic climate control is only operational
when the engine is running. Optimum
operation is only achieved if you drive with the
side windows and panorama roof with power
tilt/sliding panel closed.
i Ventilate the vehicle for a brief period
during warm weather, e.g. using the
convenience opening feature ( Y page 82).
This will speed up the cooling process and
the desired vehicle interior temperature
will be reached more quickly.
i The integrated filter can filter out most
particles of dust and completely filters out
pollen. A clogged filter reduces the amount
of air supplied to the vehicle interior. For
this reason, you should always observe the
interval for replacing the filter, which is
specified in the Service Booklet. As it
depends on environmental conditions, e.g.
heavy air pollution, the interval may be
shorter than stated in the Service Booklet.
i It is possible that the residual heat
function may be activated automatically an
hour after the SmartKey is removed. The
vehicle is then ventilated for 30 minutes to
dry the air-conditioning system.114Overview of climate control systemsClimate control

Always keep sufficient distance between
unprotected parts of the body and the air
vents. If necessary, use the air distribution
adjustment to direct the air to air vents in the
vehicle interior that are not in the immediate
area of unprotected skin.
In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes:
R never cover the air vents or air intake grille
in the vehicle interior.
i For virtually draft-free ventilation, adjust
the sliders of the air vents to the center
position.
Setting the center air vents
:Center air vent, left;Center air vent, right=Center vent thumbwheel, right?Center vent thumbwheel, leftXTo open/close: turn thumbwheels =
and ? up or down.Setting the side air ventsXTo open/close: turn thumbwheel = to the
left or right.
i Side window defroster vent : is never
completely shut, even if side air vent ; is
shut.
Setting the glove box air vent
When automatic climate control is activated,
the glove box can be ventilated, for instance
to cool its contents. The level of airflow
depends on the airflow and air distribution
settings.
! Close the air vent when heating the
vehicle.
At high outside temperatures, open the air
vent and activate the "cooling with air
dehumidification" function. Otherwise,
temperature-sensitive items stored in the
glove box could be damaged.
:Air vent thumbwheel;Air ventSetting the air vents121Climate controlZ