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

C-ClassOperator's Manual

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In this Operator's Manual, you will find the
following symbols:GWARNING
Warning notes draw your attention to hazards
that endanger your health or life, or the health
or life of others.
! These warning notes draw your attention
to hazards that could cause damage to your
vehicle.
i This symbol indicates useful instructions
or further information that could be helpful
to you.XThis symbol designates an
instruction you must follow.XSeveral consecutive symbols
indicate an instruction with several
steps.Y PageThis symbol tells you where you
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an instruction that is continued on
the next page.DisplayThis font indicates a display
message in the multifunction
display/COMAND display.
Parts of the software in the vehicle are
subject to copyright according to ©
2005
The FreeType Project
http://www.freetype.org. All rights
reserved.

Welcome to the world of Mercedes-Benz
Before you drive off, please familiarize
yourself with your vehicle and read this
manual, especially the safety and warning
notes. This will help you to obtain the
maximum pleasure from your vehicle and
avoid endangering yourself and others.
The equipment or model designation of your
vehicle may differ according to:
R model
R order
R country variant
R availability
Mercedes-Benz is constantly updating its
vehicles to the state of the art.
Mercedes-Benz therefore reserves the right
to introduce changes in the following areas:
R design
R equipment
R technical features
Therefore, you cannot base any claims on the
illustrations or text content in this Operator's
Manual.
The following are integral components of the
vehicle:
R Operator's Manual
R Service Booklet
R Equipment-dependent supplements
Keep these documents in the vehicle at all
times. When you sell the vehicle, always pass
the documents on to the new owner.
The technical documentation team at
Daimler AG wishes you safe and pleasant
motoring.
Mercedes-Benz USA, LLC
Mercedes-Benz Canada, Inc.
A Daimler Company2045843582 É2045843582ÇËÍ

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

COMANDsee separate operating instructions
Combination switch .......................... 109
Compass Calibrating ..................................... 276
Calling up ....................................... 275
Setting ........................................... 275
Consumption statistics (on-board
computer) .......................................... 199
Convenience closing feature .............. 84
Convenience opening feature ............ 84
Coolant (engine) Checking the level .........................280
Display message ............................ 225
Notes ............................................. 350
Temperature (on-board computer) . 210
Temperature gauge ........................ 194
Warning lamp ................................. 247
Cooling
see Climate control
Cornering light function
Changing bulbs .............................. 115
Display message ............................ 222
Function/notes ............................. 110
Crash-responsive emergency
lighting ............................................... 113
Cruise control Cruise control lever .......................160
Deactivating ................................... 161
Display message ............................ 233
Driving system ............................... 159
Function/notes ............................. 159
Important safety notes ..................159
LIM indicator lamp .........................160
Setting a speed .............................. 160
Storing and maintaining current
speed ............................................. 160
Cup holder
Center console .............................. 260
Important safety notes ..................259
Rear compartment .........................260
Customer Assistance Center (CAC) ... 25
Customer Relations Department ....... 25D
Dashboard see Cockpit
Data
see Technical data
Daytime running lamps
Display message ............................ 224
Switching on/off (on-board
computer) ...................................... 207
Switching on/off (switch) ..............107
Delayed switch-off
Exterior lighting (on-board
computer) ...................................... 207
Interior lighting .............................. 208
Digital speedometer ......................... 199
Display (cleaning instructions) ........ 288
Display messages Calling up (on-board computer) .....213
Driving systems ............................. 228
Engine ............................................ 225
General notes ................................ 213
Hiding (on-board computer) ...........213
KEYLESS-GO .................................. 238
Lights ............................................. 222
Safety systems .............................. 214
Service interval display ..................282
SmartKey ....................................... 238
Tires ............................................... 233
Vehicle ........................................... 236
Distance display (on-board
computer) .......................................... 204
Distance recorder ............................. 199
see Odometer
see Trip odometer
Distance warning (warning lamp) .... 249
DISTRONIC PLUS Deactivating ................................... 169
Display message ............................ 231
Displays in the multifunction
display ........................................... 168
Driving tips .................................... 170
Function/notes ............................. 161
Important safety notes ..................161
Setting the specified minimum
distance ......................................... 168
Warning lamp ................................. 249Index7

DoorsAutomatic locking (on-board
computer) ...................................... 208
Automatic locking (switch) ............... 78
Central locking/unlocking
(SmartKey) ....................................... 70
Control panel ................................... 34
Display message ............................ 237
Emergency locking ........................... 79
Emergency unlocking .......................79
Important safety notes ....................77
Opening (from inside) ......................78
Drinking and driving ......................... 155
Drinks holder see Cup holder
Drive program
Automatic ...................................... 146
Display ........................................... 143
Manual ........................................... 147
SETUP (on-board computer) ..........210
Drive program selector ..................... 145
Driver's door see Doors
Driver's seat
see Seats
Driving abroad
Mercedes-Benz Service .................283
Symmetrical low beam ..................106
Driving lamps
see Daytime running lamps
Driving on flooded roads .................. 158
Driving safety systems ABS (Anti-lock Braking System) .......59
ADAPTIVE BRAKE ............................. 64
BAS (Brake Assist System) ..............59
BAS PLUS (Brake Assist System
PLUS) ............................................... 60
Electronic brake force distribution ...64
ESP ®
(Electronic Stability
Program) .......................................... 61
ETS/4ETS (Electronic Traction
System) ........................................... 61
Important safety information ...........59
Overview .......................................... 58
PRE-SAFE ®
Brake ............................. 65Driving systems
Active Blind Spot Assist .................187
Active Driving Assistance
package ......................................... 187
Active Lane Keeping Assist ............190
ATTENTION ASSIST ........................182
Blind Spot Assist ............................ 183
Cruise control ................................ 159
Display message ............................ 228
DISTRONIC PLUS ........................... 161
Dynamic handling package with
sports mode .................................. 171
HOLD function ............................... 172
Lane Keeping Assist ......................185
Lane Tracking package ..................183
Parking Guidance ........................... 178
PARKTRONIC ................................. 175
RACE START (AMG vehicles) ..........174
Rear view camera .......................... 181
Driving tips
Automatic transmission .................144
Brakes ........................................... 156
Break-in period .............................. 136
DISTRONIC PLUS ........................... 170
Downhill gradient ........................... 156
Drinking and driving .......................155
Driving abroad ............................... 106
Driving in winter ............................. 158
Driving on flooded roads ................158
Driving on wet roads ......................158
Exhaust check ............................... 156
Fuel ................................................ 155
General .......................................... 155
Hydroplaning ................................. 158
Icy road surfaces ........................... 159
Limited braking efficiency on
salted roads ................................... 157
Pedals ............................................ 155
Snow chains .................................. 313
Symmetrical low beam ..................106
Wet road surface ........................... 156
DVD audio (on-board computer) ...... 202
DVD video (on-board computer) ...... 202
Dynamic handling package with
sports mode ....................................... 1718Index