2014 MERCEDES-BENZ C-Class SEDAN cooling

1, 2, 3 ...
115 Vsocket ...................................... 271
12 Vsocket
see Sockets
4MATIC (permanent four-wheel
drive) .................................................. 185A
ABS (Anti-lock Braking System) Display message ............................ 223
Function/notes ................................ 65
Important safety notes ....................65
Warning lamp ................................. 250
Activating/deactivating cooling
with air dehumidification .................135
Active Blin dSpot Assist
Activating/deactivating (on-
board computer) ............................ 214
Display message ............................ 238
Function/informatio n.................... 196
Active Driving Assistance package .196
Active Lane Keeping Assist Activating/deactivating (on-
board computer) ............................ 214
Display message ............................ 237
Function/informatio n.................... 199
Active light function .........................117
ADAPTIVE BRAKE ................................. 71
Adaptive Highbeam Assist Display message ............................ 233
Function/notes ............................. 118
Switching on/off ...................118, 119
Switching on/off (on-board
computer) ...................................... 216
Additives (engine oil) ........................355
Airb ags
Display message ............................ 229
Front air bag (driver, front
passenger )....................................... 44
Important safety notes ....................42
Knee bag .......................................... 44
PASSENGER AIR BAG OFF
indicator lamp .................................. 47
Pelvis airb ag................................... 46
Safety guidelines ............................. 41Side impact airb
ag.......................... 45
Windo wcurtain air bag .................... 46
Air-conditioning system
see Climate control
AIRF LOW ........................................... 137
Airv ents
Glove box ....................................... 143
Important safet ynotes .................. 142
Rea r............................................... 143
Setting ........................................... 142
Setting the center air vents ...........142
Setting the side air vents ...............142
Alarm system
see ATA (Anti-Theft Alarm system)
AMG menu (on-board computer) .....219
Anti-loc kbraking system
see ABS (Anti-lock Braking System)
Anti-theft alarm system
see ATA (Anti-Theft Alarm system)
Ashtray ............................................... 269
Assistance display (on-board
computer) .......................................... 213
Assistance menu (on-board
computer) .......................................... 213
ASSYST PLUS Displaying a service message ........286
Hiding a service message ..............286
Notes ............................................. 286
Resetting the service interval
displa y........................................... 286
Service message ............................ 286
Special service requirements ......... 287
ATA (Anti-Theft Alarm system)
Activating/deactivating ...................73
Function .......................................... .73
Switching off the alarm ....................73
ATTENTIO NASSIST
Activating/deactivating .................214
Display message ............................ 236
Function/notes ............................. 192
Audio menu (on-board
computer) .......................................... 210
Audio system see separate operating instructions
Authorized Centers
see Qualified specialist workshop 4
Index

Display
........................................... 296
Exterior lights ................................ 295
Gea rors electo rlever .................... 296
Interior ........................................... 296
Matte finish ................................... 294
Notes ............................................. 291
Paint .............................................. 293
Plastic trim .................................... 296
Power washer ................................ 293
Rea rview camera .......................... 295
Roof lining ...................................... 297
Seat bel t........................................ 297
Seat cover ..................................... 297
Sensors ......................................... 295
Steering wheel ............................... 296
Tai lpipes ....................................... 296
Trim pieces .................................... 296
Washing by hand ........................... 292
Wheels ........................................... 293
Windows ........................................ 294
Wiper blades .................................. 294
Wooden trim .................................. 296
Cargo tie down rings .........................265
Car wash (care) ................................. 292
CD player/CD changer (on-board
computer) .......................................... 211
Center console Lowe rsection .................................. 35
Uppe rsection .................................. 34
Central locking
Automatic locking (on-board
computer) ...................................... 217
Locking/unlocking (SmartKey) ........76
Changing bulbs
Brake lamps ................................... 124
Cornering light function .................123
High-beam headlamps ...................122
Low-beam headlamps ....................122
Parking lamps ................................ 123
Reversing lamps ............................ 124
Standing lamps (front) ...................123
Child-proof locks
Important safety notes ....................64
Rea rdoors ....................................... 64
Children
In the vehicle ................................... 59
Restraint systems ............................ 59
Specia lseat belt retractor ...............61Child seat
LATCH-type (ISOFIX) child seat
anchors ............................................ 62
Top Tether ....................................... 63
Cigarette lighter ................................ 270
Cleaning Mirro rturn signal ........................... 295
Climate control
Adjusting the airflow (AIR FLOW) ...137
Automatic climate control (3-zone) 134
Controlling automatically ...............137
Cooling with aird ehumidification..135
Defrosting the windows .................140
Defrosting the windshield ..............139
Dual-zone automatic climate
control ........................................... 131
Important safety notes ..................130
Indicator lamp ................................ 137
Maximum cooling .......................... 140
Notes on using automatic climate
control ........................................... 135
Notes on using dual-zone
automatic climate control ..............132
Overview of systems ......................130
Problems with cooling with air
dehumidification ............................ 137
Problem with the rear window
defroster ........................................ 141
Rea rcontrol panel ......................... 134
Refrigerant ..................................... 357
Refrigerant filling capacity .............358
Setting the aird istribution.............138
Setting the airflow .........................139
Setting the airv ents...................... 142
Setting the temperature ................138
Switching air-recirculation mode
on/off ............................................ 141
Switching on/off ........................... 135
Switching residual hea ton/off ......141
Switching the rear window
defroster on/off ............................ 140
Switching the ZONE function on/
off .................................................. 139
Cockpit
Overview .......................................... 30
see Instrument cluster
COMAND
see separate operating instructions 6
Index

Combination switch
..........................116
Consumption statistics (on-board
computer) .......................................... 207
Convenience closing feature ..............89
Convenience opening feature ............89
Coolan t(engine)
Checkin gthe level ......................... 290
Display message ............................ 233
Filling capacity ............................... 357
Important safety notes ..................356
Temperature (on-board computer) .219
Temperature gauge ........................ 204
Warning lamp ................................. 257
Cooling
see Climate control
Copyright ............................................. 27
Cornering light function Changing bulbs .............................. 123
Display message ............................ 230
Function/notes ............................. 118
Crash-responsive emergency
lighting ............................................... 121
Cruise control Cruise control leve r....................... 172
Deactivating ................................... 173
Display message ............................ 241
Driving system ............................... 171
Function/notes ............................. 171
Important safety notes ..................171
Setting aspeed .............................. 173
Storing and maintaining current
speed ............................................ .172
Cup holder
Center console .............................. 267
Important safety notes ..................267
Rea rcompartmen t......................... 268
Customer Assistance Center (CAC) ...26
Customer Relations Department .......26 D
Dashboard see Instrument cluster
Dashboard lighting
see Instrument cluster lighting
Data
see Technical data Daytime running lamps
Display message ............................ 232
Switching on/off (on-board
computer) ...................................... 216
Switching on/off (switch) ..............115
Dealerships
see Qualified specialist workshop
Declarations of conformity ................. 25
Delaye dswitch-off
Exterio rlighting (on-board
computer )...................................... 216
Interior lighting .............................. 217
Diagnostics connection ......................25
Digital speedometer .........................208
Display (cleaning instructions) ........296
Display messages ASSYST PLUS ................................ 286
Calling up (on-board computer) .....222
Driving systems ............................. 236
Engine ............................................ 233
General notes ................................ 222
Hiding (on-board computer) ...........222
KEYLESS-GO .................................. 246
Lights ............................................ .230
Safety systems .............................. 223
SmartKey ....................................... 246
Tires ............................................... 242
Vehicle .......................................... .244
Distance recorder ............................. 207
see Odometer
see Trip odometer
Distance warning (warning lamp) ....259
DISTRONIC PLUS Activatio ncondition s..................... 175
Deactivating ................................... 179
Display message ............................ 239
Displays in the multifunction
displa y........................................... 179
Driving tips .................................... 180
Function/notes ............................. 173
Important safety notes ..................173
Setting the specified minimum
distance ......................................... 178
Warning lamp ................................. 259
Doors
Automatic locking (on-board
computer) ...................................... 217
Automatic locking (switch) .............. .83 Index
7

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 Read the information on qualified
specialist workshops: (Y page 25).Overview of climate control systems
Important safety notes
Observe the settings recommended on the
following pages. The windows could
otherwise fog up.
To preven tthe windows from fogging up:
R switch off climate control only briefly
R switch on air-recirculation mode only
briefly
R switch on the cooling with air
dehumidification function
R switch on the defrost windshield function
briefly, if required
Climate control regulates the temperature
and the humidity in the vehicle interior and
filters undesirable substances out of the air.
Climate control can only be operated when
the engine is running. Optimum operation is
only achieved with the side windows and roof
closed.
The residual heat function can only be
activated or deactivated with the ignition
switched off (Y page 141).
i Ventilate the vehicle for a brief period
during warm weather, e.g. using the
convenience opening feature (Y page 89).
This will speed up the cooling process and
the desired vehicle interior temperature
will be reached more quickly. i
The integrated filter filters out most
particles of dust and soot and completely
filters out pollen. It also reduces gaseous
pollutants and odors. Aclogged filter
reduces the amoun tofair supplied to the
vehicle interior .For this reason, you should
always observe the interval for replacing
the filter, which is specified in the
Maintenance Booklet .As it depends on
environmental conditions, e.g. heavy air
pollution, the interval may be shorter than
stated in the Maintenance Booklet.
i It is possible that the dehumidification
function of the climate control system may
be activated automatically an hour after the
SmartKey has been removed. The vehicle
is then ventilated for 30 minutes. 130
Overview of climate control systemsClimate control

Control panel for dual-zone automatic climate control
Canada only
0002
To set the temperature, left (Y page 138)
0003 To defros tthe windshield (Y page 139)
0022 To switch the ZONE function on/off (Y page 139)
0021 To switch cooling with air dehumidification on/off (Y page 135)
001F To switch the rear window defroster on/off (Y page 140)
0020 To set the temperature, right (Y page 138)
0012 To activate/deactivate air-recirculation mode (Y page 141)
0013 To set the air distribution (Y page 138)
0014 To increase the airflow (Y page 139)
0015 To reduce the airflow (Y page 139)
0016 To switch climate control on/off (Y page 135)
0018 To set climate control to automatic (Y page 137) Overview of climate control systems
131Climate control

USA only
0002
To set the temperature, left (Y page 138)
0003 To defrost the windshield (Y page 139)
0022 To switch maximum cooling on/off (Y page 140)
0021 To switch cooling with air dehumidification on/off (Y page 135)
001F To switch the rear window defroster on/off (Y page 140)
0020 To set the temperature, right (Y page 138)
0012 To activate/deactivate air-recirculation mode (Y page 141)
0013 To set the air distribution (Y page 138)
0014 To increase the airflow (Y page 139)
0015 To reduce the airflow (Y page 139)
0016 To switch climate control on/off (Y page 135)
0018 To set climate control to automatic (Y page 137)Notes on using climate control
Automatic climate control The following contains notes and
recommendations on optimum use of dual-
zone automatic climate control.
R
Activate climate control using the 0004and
0005 buttons. The indicator lamps in the
0004 and0005 buttons light up.
R Set the temperature to 72 ‡ (22 †).
R Only use the "windshield defrosting"
function briefly until the windshield is clear
again. R
Only use air-recirculation mode briefly, e.g.
if there are unpleasant outside odors or
when in a tunnel. The windows could
otherwise fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
R Use the ZONE function to adopt the
temperature settings on the driver's side
for the front-passenger side as well.T he
indicator lamp in the 0003button goes out.
ECO start/stop function During automatic engine switch-off, the ECO
start/stop function only operates at a
reduced capacity. If you require the full132
Overview of climate control systemsClimate control

Control panel for 3-zone automatic climate control
Canada only
Fron tcontrol panel
0002 To set the temperature, left (Y page 138)
0003 To defrost the windshield (Y page 139)
0022 To switch the residual heat function on/off (Y page 141)
0021 To switch cooling with air dehumidificatio non/off (Y page 135)
001F To switch the rea rwindow defroster on/off (Y page 140)
0020 To set the temperature, right (Y page 138)
0012 To switch the ZONE function on/off (Y page 139)
0013 To switch climate control on/off (Y page 135)
0014 To set the air distribution (Y page 138)
0015 To increase the airflow (Y page 139)
0016 To reduce the airflow (Y page 139)
0018 To adjust airflow (Y page 137)
0019 To activate/deactivate air-recirculation mode (Y page 141)
001A To set climate control to automatic (Y page 137)
Rear control panel
001B To increase the airflow (Y page 139)
001D To reduce the airflow (Y page 139)
001E Display
0023 To reduce the temperature (Y page 138)
0024 To increase the temperature (Y page 138)134
Overview of climate control systemsClimate control

Notes on using 3-zone automatic
climate control
Automatic climate control The following contains instructions and
recommendations to enable you to ge tthe
most out of your automatic climate control.
R Activate climate control using the 0004and
0005 buttons. The indicator lamps in the
0004 and0005 buttons light up.
R In automatic mode, you can also use the
000A button to adjust airflow (FOCUS/
MEDIUM/DIFFUSE). The MEDIUM level is
recommended.
R Set the temperature to 72 ‡ (22 †).
R Only use the "windshield defrosting"
function briefly until the windshield is clear
again.
R Only use air-recirculation mode briefly, e.g.
if there are unpleasant outside odors or
when in a tunnel. The windows could
otherwise fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
R Use the ZONE function to adopt the
temperature settings on the driver's side
for the front-passenger side and the rear
compartmenta s well.The indicator lamp in
the 0003 button goes out.
R Use the residual heat function if you want
to heat or ventilate the vehicle interior
when the ignition is switched off. The
residual heat function can only be activated
or deactivated with the ignition switched
off.
ECO start/stop function During automatic engine switch-off, the ECO
start/stop function only operates at a
reduced capacity. If you require the full
climate control output, you can switch off the
ECO start/stop function by pressing the ECO
button (Y page 152).
i The ECO start/stop function is not
available on AMG vehicles. Operating the climate control
systems
Switching climate control on/off
General notes When the climate control is switched off, the
air supply and air circulation are also
switched off. The windows could fog up.
Therefore, switch off climate control only
briefly
i
Switch on climate control primarily using
the 0004 button (Y page 137).
Activating/deactivating X
Turn the SmartKey to position 2in the
ignition lock (Y page 147).
X To activate: press the0004button.
The indicator lamp in the 0004button lights
up. Airflow and air distribution are set to
automatic mode.
or
X Press the 000Cbutton.
The indicator lamp in the 000Cbutton goes
out. The previously selected settings are
restored.
X To deactivate: press the000Cbutton.
The indicator lamp in the 000Cbutton lights
up. Activating/deactivating cooling with
air dehumidification
General notes If you deactivate the "Cooling with air-
dehumidification" function, the air inside the
vehicle will not be cooled. The air inside the
vehicle will also not be dehumidified. The
windows can fog up more quickly. Therefore,
deactivate the cooling with air-
dehumidification function only briefly.
The "Cooling with air dehumidification"
function is only available when the engine is
running. The air inside the vehicle is cooledOperating the climate control systems
135Climate control