wheel MERCEDES-BENZ C-Class SEDAN 2012 W204 Owner's Manual

Index ....................................................... 4Introduction ......................................... 21At a glance ........................................... 27Safety ................................................... 35Opening/closing ................................. 69Seats, steering wheel and mirrors ....91Lights and windshield wipers ..........105Climate control ................................. 121Driving and parking ..........................135On-board computer and displays ....193Stowing and features .......................253Maintenance and care ......................277Breakdown assistance .....................291Wheels and tires ............................... 309Technical data ................................... 341
Contents3

1, 2, 3 ...
115 V socket ...................................... 263
12 V socket see Sockets
4ETS
see ETS/4ETS (Electronic
Traction System)
4MATIC (permanent four-wheel
drive) .................................................. 175
4MATIC off-road system ................... 175
A
ABS (Anti-lock Braking System) Display message ............................ 214
Function/notes ................................ 59
Important safety notes ....................59
Warning lamp ................................. 242
Activating/deactivating cooling
with air dehumidification ................. 126
Active Blind Spot Assist Activating/deactivating (on-
board computer) ............................ 205
Function/information ....................187
Active Driving Assistance package . 187
Active Lane Keeping Assist Activating/deactivating (on-
board computer) ............................ 205
Display message ............................ 229
Function/information ....................190
Active light function ......................... 110
Active Light System Display message ............................ 224
Active service system PLUS
see ASSYST PLUS service interval
display
ADAPTIVE BRAKE ................................. 64
Adaptive Highbeam Assist Display message ............................ 225
Function/notes ............................. 110
Switching on/off (on-board
computer) ...................................... 207
Additives (engine oil) ........................ 349
Air bags Display message ............................ 221
Front air bag (driver, front
passenger) ....................................... 39
Important safety notes ....................38
Knee bag .......................................... 40
PASSENGER AIR BAG OFF
indicator lamp .................................. 42
Pelvis air bag ................................... 41
Safety guidelines ............................. 37
Side impact air bag ..........................40
Window curtain air bag ....................42
Air-conditioning system
see Climate control
AIR FLOW ........................................... 127
Air pressure see Tire pressure
Air vents
Glove box ....................................... 132
Important safety notes ..................131
Rear ............................................... 133
Setting ........................................... 131
Setting the center air vents ...........132
Setting the side air vents ...............132
Alarm system
see ATA (Anti-Theft Alarm system)
Alertness Assistant
see ATTENTION ASSIST
AMG menu (on-board computer) ..... 210
Anti-lock Braking System see ABS (Anti-lock Braking System)
Anti-Theft Alarm system
see ATA (Anti-Theft Alarm system)
Ashtray ............................................... 262
Assistance menu (on-board
computer) .......................................... 204
ASSYST PLUS see ASSYST PLUS service interval
display
ATA (Anti-Theft Alarm system)
Activating/deactivating ...................67
Function ........................................... 67
Switching off the alarm ....................67
ATTENTION ASSIST
Activating/deactivating .................205
Display message ............................ 228
Function/notes ............................. 182
Audio menu (on-board computer) .... 201
Audio system see separate operating instructions 4Index

Authorized Mercedes-Benz Centersee Qualified specialist workshop
AUTO lights
Display message ............................ 225
see Lights
Automatic headlamp mode .............. 108
Automatic transmission Automatic drive program ...............146
Changing gear ............................... 144
Display message ............................ 236
Driving tips .................................... 144
Emergency running mode ..............149
Kickdown ....................................... 144
Manual drive program ....................147
Problem (malfunction) ...................149
Program selector button ................144
Pulling away ................................... 139
Releasing the parking lock
manually ........................................ 149
Selector lever ................................ 142
Shift ranges ................................... 146
Starting the engine ........................139
Steering wheel paddle shifters ......145
Transmission position display ........143
Transmission positions ..................143
Automatic transmission
emergency mode ............................... 149
B
Back support see Lumbar support
Backup lamp
Changing bulbs .............................. 116
Display message ............................ 224
Bag hook ............................................ 258
BAS (Brake Assist System) ................. 59
Basic settings see Settings
BAS PLUS (Brake Assist System
PLUS) .................................................... 60
Battery (SmartKey) Checking .......................................... 74
Important safety notes ....................74
Replacing ......................................... 74
Battery (vehicle)
Charging ........................................ 300
Display message ............................ 227
Important safety notes ..................298
Jump starting ................................. 301
Belt
see Seat belts
Blind Spot Assist
Activating/deactivating .................205
Notes/function .............................. 183
see Active Blind Spot Assist
Brake Assist System
see BAS (Brake Assist System)
Brake fluid
Display message ............................ 217
Notes ............................................. 350
Brake fluid level ................................ 282
Brake lamps Changing bulbs .............................. 116
Display message ............................ 223
Brakes
ABS .................................................. 59
BAS .................................................. 59
BAS PLUS ........................................ 60
Brake fluid (notes) .........................350
Display message ............................ 214
Driving tips .................................... 156
High-performance brake system ....158
Important safety notes ..................156
Maintenance .................................. 157
Parking brake ................................ 154
Warning lamp ................................. 241
Breakdown
see Flat tire
see Towing away/tow-starting
Bulbs
see Changing bulbs
C
California Important notice for retail
customers and lessees ....................22
Calling up a malfunction
see Display messages
Capacities
see Technical data
Car
see Vehicle
Index5

CareCarpets .......................................... 289
Car wash ........................................ 284
Display ........................................... 288
Exterior lights ................................ 287
Gear or selector lever ....................288
Matte finish ................................... 285
Notes ............................................. 283
Paint .............................................. 285
Plastic trim .................................... 288
Power washer ................................ 284
Rear view camera .......................... 287
Roof lining ...................................... 289
Seat belt ........................................ 289
Seat cover ..................................... 288
Sensors ......................................... 287
Steering wheel ............................... 288
Tail pipes ....................................... 287
Trim pieces .................................... 288
Washing by hand ........................... 284
Wheels ........................................... 285
Windows ........................................ 286
Wiper blades .................................. 286
Wooden trim .................................. 288
Cargo tie down rings ......................... 258
Car wash (care) ................................. 284
CD player/CD changer (on-board
computer) .......................................... 202
Cell phone see Mobile phone
Center console ..................................... 32
Central locking Automatic locking (on-board
computer) ...................................... 208
Locking/unlocking (SmartKey) ........70
Changing bulbs
Brake lamps ................................... 116
Cornering light function .................115
High-beam headlamps ...................115
Important safety notes ..................113
Low-beam headlamps ....................114
Overview of bulb types ..................114
Parking lamps ................................ 115
Reversing lamps ............................ 116
Standing lamps (front) ...................115
Child-proof locks
Important safety notes ....................57
Rear doors ....................................... 57Children
In the vehicle ................................... 53
Restraint systems ............................ 53
Child seat
LATCH-type (ISOFIX) child seat
anchors ............................................ 55
Special seat belt retractor ...............55
Top Tether ....................................... 56
Cigarette lighter ................................ 262
Climate control Automatic climate control (3-
zone) .............................................. 125
Controlling automatically ...............127
Cooling with air dehumidification ..126
Defrosting the windows .................130
Defrosting the windshield ..............129
Dual-zone automatic climate
control ........................................... 123
Important safety notes ..................122
Indicator lamp ................................ 127
Maximum cooling .......................... 130
Notes on using automatic climate
control ................................... 124, 126
Overview of systems ......................122
Problems with cooling with air
dehumidification ............................ 127
Problem with the rear window
defroster ........................................ 130
Rear control panel .........................125
Refrigerant ..................................... 350
Setting the air distribution .............128
Setting the airflow .........................129
Setting the air vents ......................131
Setting the climate mode (AIR
FLOW) ............................................ 127
Setting the temperature ................128
Switching air-recirculation mode
on/off ............................................ 130
Switching on/off ........................... 126
Switching residual heat on/off ......131
Switching the rear window
heating on/off ............................... 130
Switching the ZONE function on/
off .................................................. 129
Cockpit
Overview .......................................... 28
see Instrument cluster 6Index

E
EASY-ENTRY feature Activating/deactivating .................209
Function/notes ............................. 100
EASY-EXIT feature
Crash-responsive ........................... 101
Function/notes ............................. 100
Switching on/off ........................... 209
EBD (electronic brake force
distribution) Display message ............................ 216
Function/notes ................................ 64
Electrical fuses
see Fuses
Electronic brake force distribution
see EBD (electronic brake force
distribution)
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Electronic Traction System
see ETS/4ETS (Electronic
Traction System)
Emergency release
Driver's door .................................... 79
Fuel filler flap ................................. 151
Trunk ............................................... 82
Vehicle ............................................. 79
Emergency spare wheel
Storage location ............................ 293
Emergency Tensioning Devices
Function ........................................... 52
Safety guidelines ............................. 37
Emissions purification
Service and warranty information ....21
Engine
Check Engine warning lamp ........... 246
Display message ............................ 225
Emergency starting ........................305
Engine number ............................... 344
Irregular running ............................ 141
Starting problems ..........................141
Starting the engine with the
SmartKey ....................................... 139
Starting with KEYLESS-GO .............139
Switching off .................................. 153
Engine electronics
Problem (malfunction) ...................141Engine oil
Adding ........................................... 279
Additives ........................................ 349
Checking the oil level ..................... 279
Checking the oil level using the
dipstick .......................................... 279
Display message ............................ 227
Filling capacity ............................... 346
Notes about oil grades ................... 349
Notes on oil level/consumption ....279
Temperature (on-board computer) . 210
Viscosity ........................................ 349
ESP ®
(Electronic Stability
Program) AMG menu (on-board computer) ...210
Deactivating/activating (AMG
vehicles) .......................................... 62
Deactivating/activating (except
AMG vehicles) ................................ 204
Deactivating/activating (notes;
except AMG vehicles) ......................62
Display message ............................ 214
ETS/4ETS ........................................ 61
Function/notes ................................ 61
Important safety information ...........61
Warning lamp ................................. 243
ETS/4ETS (Electronic Traction
System) ................................................ 61
Exhaust check ................................... 156
Exhaust tail pipe (cleaning
instructions) ...................................... 287
Exterior lighting see Lights
Exterior mirrors
Adjusting ....................................... 101
Dipping (automatic) .......................102
Folding in/out (automatically) .......102
Folding in/out (electrically) ...........101
Folding in when locking (on-board
computer) ...................................... 209
Out of position (troubleshooting) ...102
Setting ........................................... 102
Storing settings (memory
function) ........................................ 103
Storing the parking position ..........102
Eyeglasses compartment ................. 255Index9

F
Filler cap see Fuel filler flap
First-aid kit ......................................... 292
Flat tire Changing a wheel/mounting the
spare wheel ................................... 293
MOExtended run-flat system .........297
Preparing the vehicle .....................293
Raising the vehicle .........................295
Floormat ............................................. 276
Frequencies Garage door opener .......................275
Front fog lamps ................................. 108
Display message ............................ 223
Switching on/off ........................... 108
Front windshield
see Windshield
Fuel
Additives ........................................ 348
Consumption statistics ..................199
Displaying the current
consumption .................................. 199
Displaying the range ......................199
Driving tips .................................... 155
Flexible fuel vehicles ......................347
Fuel gauge ....................................... 29
Important safety notes ..................347
Premium-grade unleaded gasoline . 347
Problem (malfunction) ...................153
Refueling ........................................ 150
Specifications ................................ 348
Tank content/reserve fuel .............346
Fuel filler flap
Emergency release ........................151
Opening/closing ............................ 151
Fuel level
Calling up the range (on-board
computer) ...................................... 199
Fuel tank
Capacity ........................................ 346
Problem (malfunction) ...................153
Fuse allocation chart (vehicle tool
kit) ...................................................... 292
Fuses Allocation chart ............................. 305
Before changing ............................. 305Dashboard fuse box .......................305
Fuse box in the engine
compartment ................................. 306
Fuse box in the trunk .....................306
Important safety notes ..................305
G
Garage door opener Clearing the memory .....................274
Frequencies ................................... 275
Notes ............................................. 270
Opening/closing the garage door ..273
Programming (button in the rear-
view mirror) ................................... 271
Gasoline ............................................. 150
Gear indicator (on-board
computer) .......................................... 210
Gear or selector lever (cleaning
guidelines) ......................................... 288
Genuine Mercedes-Benz parts ......... 342
Glove box ........................................... 254
H
Handbrake see Parking brake
Hazard warning lamps ...................... 109
Headlamp cleaning system Notes ............................................. 351
Headlamps
Adding fluid to cleaning system .....281
Cleaning system (function) ............109
Fogging up ..................................... 112
see Automatic headlamp mode
Head restraints
Adjusting ......................................... 95
Adjusting (electrically) .....................96
Adjusting (manually) ........................95
Adjusting (rear) ................................ 96
Installing/removing (rear) ................97
Luxury .............................................. 96
see NECK-PRO head restraints
see NECK-PRO head restraints/
NECK-PRO luxury head restraints
Heating
see Climate control
10Index

Multifunction displayFunction/notes ............................. 196
Permanent display .........................206
Multifunction steering wheel
Operating the on-board computer . 195
Overview .......................................... 31
Multifunction steering wheel (4
buttons) see 4-button multifunction
steering wheel
N
Navigation Menu (on-board computer) ............200
see separate operating instructions
NECK-PRO head restraints
Operation ......................................... 47
Resetting after being triggered ........47
NECK-PRO luxury head restraints
Operation ......................................... 47
Resetting after being triggered ........47
Notes on breaking-in a new
vehicle ................................................ 136
O
Occupant Classification System
(OCS) Faults ............................................... 46
Operation ......................................... 42
System self-test ............................... 45
Occupant safety
Children in the vehicle .....................53
System overview .............................. 36
Octane number (fuel) ........................ 348
Odometer ........................................... 199
see Trip odometer
Oil
see Engine oil
On-board computer
AMG menu ..................................... 210
Assistance menu ........................... 204
Audio menu ................................... 201
Convenience submenu ..................209
Displaying a service message ........283
Display messages ..........................213
DISTRONIC PLUS ........................... 168
Factory settings submenu .............210
Important safety notes ..................194
Instrument cluster submenu ..........206
Lighting submenu .......................... 207
Menu overview .............................. 198
Message memory .......................... 213
Navigation menu ............................ 200
Operation ....................................... 195
RACETIMER ................................... 211
Service menu ................................. 206
Settings menu ............................... 206
Standard display ............................ 199
Telephone menu ............................ 202
Trip menu ...................................... 199
Vehicle submenu ........................... 208
Video DVD operation .....................202
On-board diagnostics interface .......... 24
Opening and closing the side trim
panels ................................................. 115
Operating safety On-board diagnostics interface ........24
Operating system
see On-board computer
Outside temperature display ........... 195
Overhead control panel ...................... 33
Override feature Rear side windows ...........................57
P
Paint code number ............................ 343
Paintwork (cleaning instructions) ... 285
Panic alarm .......................................... 58
Panorama roof with power tilt/
sliding panel Opening/closing .............................. 87
Opening/closing the roller
sunblind ........................................... 88
Problem (malfunction) .....................89
Resetting ......................................... 88
Panorama sliding sunroof
Important safety notes ....................86
Parcel net ........................................... 256
Parking ............................................... 153
Important safety notes ..................153
Parking brake ................................ 154
Index13

Position of exterior mirror, front-
passenger side ............................... 102
Rear view camera .......................... 181
see PARKTRONIC
Parking aid
Parking Guidance ........................... 178
see Exterior mirrors
see PARKTRONIC
Parking brake
Display message ............................ 216
Notes/function .............................. 154
Parking Guidance
Display message ............................ 230
Important safety notes ..................178
Parking lamps (changing bulbs) ...... 115
PARKTRONIC Deactivating/activating .................177
Driving system ............................... 175
Function/notes ............................. 175
Problem (malfunction) ...................178
Range of the sensors .....................176
Warning display ............................. 177
PASSENGER AIR BAG OFF indicator
lamp ...................................................... 42
Pedals ................................................. 155
Permanent four-wheel drive see 4MATIC (permanent four-
wheel drive)
Plastic trim (cleaning instructions) . 288
Power washers .................................. 284
Power windows see Side windows
PRE-SAFE ®
Brake (vehicles with
DISTRONIC PLUS) Display message ............................ 218
Function/notes ................................ 65
Switching on/off ........................... 205
Warning lamp ................................. 249
Preventive occupant safety
system
see PRE-SAFE ®
(Preventive
occupant safety system)
Product information ............................ 21
Program selector button .................. 144
Pulling away Automatic transmission .................139Q
Qualified specialist workshop ........... 24
R
RACE START (AMG vehicles) ............. 174
RACETIMER (on-board computer) .... 211
Radar sensor system Activating/deactivating .................208
Display message ............................ 229
Radio
Selecting a station .........................201
see separate operating instructions
Reading lamp ..................................... 112
Rear compartment Setting the airflow .........................129
Setting the air vents ......................133
Rear fog lamp
Display message ............................ 223
Switching on/off ........................... 108
Rear seat
Display message ............................ 237
Folding the backrest forwards/
back ............................................... 257
Rear view camera
Cleaning instructions .....................287
Function/notes ............................. 181
Rear-view mirror
Anti-glare (manual) ........................101
Dipping (automatic) .......................102
Rear window blind ............................ 261
Rear window defroster Problem (malfunction) ...................130
Rear window heating
Switching on/off ........................... 130
Rear window wiper
Replacing the wiper blade .............. 118
Switching on/off ........................... 117
Refueling
Fuel gauge ....................................... 29
Important safety notes ..................150
Refueling process ..........................151
see Fuel
Releasing the parking lock
manually (automatic
transmission) ..................................... 149
14Index

SettingsFactory (on-board computer) .........210
On-board computer .......................206
Setting the air distribution ............... 128
Setting the airflow ............................ 129
SETUP (on-board computer) ............. 210
Side impact air bag ............................. 40
Side marker lamp (display
message) ............................................ 224
Side windows Convenience closing feature ............84
Convenience opening feature ..........84
Important safety information ...........83
Opening/closing .............................. 83
Problem (malfunction) .....................86
Resetting ......................................... 85
Sliding sunroof
Important safety notes ....................86
Opening/closing .............................. 87
Problem (malfunction) .....................89
Resetting ......................................... 87
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery .......................74
Changing the programming .............73
Checking the battery .......................74
Convenience closing feature ............84
Convenience opening feature ..........84
Display message ............................ 238
Door central locking/unlocking .......70
Important safety notes ....................70
Loss ................................................. 76
Mechanical key ................................ 73
Positions (ignition lock) .................137
Problem (malfunction) .....................76
Starting the engine ........................139
Snow chains ...................................... 313
Sockets Points to observe before use .........263
Rear compartment .........................263
Spare wheel
Notes/data .................................... 337
Storage location ............................ 293
see Emergency spare wheel
Specialist workshop ............................ 24
Speed, controlling see Cruise control Speedometer
Digital ............................................ 199
In the Instrument cluster .................29
Segments ...................................... 195
Selecting the unit of
measurement ................................ 206
see Instrument cluster
SPORT handling mode
Activating/deactivating (AMG
vehicles) .......................................... 62
Warning lamp ................................. 244
SRS (Supplemental Restraint
System) Display message ............................ 219
Introduction ..................................... 36
Warning lamp ................................. 245
Warning lamp (function) ................... 36
Standing lamps
Changing bulbs .............................. 115
Display message ............................ 224
Switching on/off ........................... 106
Starting (engine) ................................ 138
Station see Radio
Steering (display message) .............. 237
Steering wheel Adjusting (electrically) ...................100
Adjusting (manually) ........................99
Button overview ............................... 31
Buttons (on-board computer) ......... 195
Cleaning ......................................... 288
Important safety notes ....................99
Paddle shifters ............................... 145
Storing settings (memory
function) ........................................ 103
Steering wheel paddle shifters ........ 145
Stopwatch (RACETIMER) ................... 211
Stowage compartments Armrest (under) ............................. 255
Cup holders ................................... 259
Eyeglasses compartment ...............255
Glove box ....................................... 254
Important safety information .........254
Parcel net ...................................... 256
Rear ............................................... 256
Under driver's seat/front-
passenger seat .............................. 25616Index

Stowage well beneath the trunk
floor .................................................... 258
Summer opening see Convenience opening feature
Summer tires ..................................... 312
Sun visor ............................................ 260
Supplemental Restraint System see SRS (Supplemental Restraint
System)
Surround lighting (on-board
computer) .......................................... 207
Switching air-recirculation mode
on/off ................................................. 130
Switching off the alarm (ATA) ............ 67
T
Tachometer ........................................ 195
Tail lamps Display message ............................ 223
Tank
see Fuel tank
Tank content
Fuel gauge ....................................... 29
Technical data
Notes ............................................. 342
Tires/wheels ................................. 335
Vehicle data ................................... 351
TELEAID
Call priority .................................... 268
Display message ............................ 218
Downloading destinations
(COMAND) ..................................... 269
Emergency call .............................. 266
Important safety notes ..................264
Locating a stolen vehicle ...............270
MB info call button ........................268
Remote vehicle locking ..................270
Roadside Assistance button ..........267
Search & Send ............................... 269
Self-test ......................................... 265
System .......................................... 265
Vehicle remote unlocking ..............269
Telephone
Accepting a call ............................. 203
Display message ............................ 237
Menu (on-board computer) ............202
Number from the phone book ........ 203
Redialing ........................................ 203
Rejecting/ending a call .................203
Temperature
Coolant .......................................... 194
Coolant (on-board computer) ......... 210
Engine oil (on-board computer) ...... 210
Outside temperature ...................... 195
Setting (climate control) ................128
Theft deterrent systems
ATA (Anti-Theft Alarm system) .........67
Immobilizer ...................................... 66
Through-loading feature ................... 256
Tilt/sliding sunroof see Sliding sunroof
Timing (RACETIMER) ......................... 211
Tiredness assistant see ATTENTION ASSIST
Tire pressure
Calling up (on-board computer) .....319
Checking manually ........................317
Display message ............................ 233
Maximum ....................................... 316
Notes ............................................. 315
Pressure loss warning ....................317
Recommended ............................... 313
Tire pressure monitoring system
Function/notes ............................. 319
Restarting ...................................... 321
Warning lamp ................................. 250
Tires
Aspect ratio (definition) .................333
Average weight of the vehicle
occupants (definition) ....................331
Bar (definition) ............................... 331
Characteristics .............................. 331
Checking ........................................ 311
Definition of terms .........................331
Direction of rotation ......................334
Display message ............................ 233
Distribution of the vehicle
occupants (definition) ....................334
DOT, Tire Identification Number
(TIN) ............................................... 330
DOT (Department of
Transportation) (definition) ............331
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 332Index17