
1, 2, 3 ...
4-ETS see ETS/4-ETS                                          
4MATIC
see All-wheel drive (4MATIC)                    
911 Emergency calls  ........................ 173
A
ABS (Antilock Brake System)  ............. 61
Indicator lamp ................................ 298
Messages in the multifunction
display  ................................... 280, 281
Accessory weight  .............................. 250
Accidents  ........................................... 105
Air bags  ........................................... 37
Emergency calls (Tele Aid)  .............212
Emergency calls (Telephone)  .........173
NECK-PRO active front head
restraints   ........................................ 52
Active Bi-Xenon headlamps
see Headlamps                                         
Adaptive Brake  .................................... 62
Additives  
Engine oil  ....................................... 353
Gasoline ......................................... 355
Address change  ................................... 21
Advanced Tire Pressure
Monitoring System (Advanced
TPMS)  ................................................. 234
Messages in the multifunction
display  ........................................... 277
Air bags  ................................................ 37
Emergency call upon deployment  ..212
Front, driver and passenger  .............40
Front passenger front air bag off
indicator lamp (Canada
only)  ........................................ 46, 307
Front passenger front air bag off
indicator lamp (USA only)  ........42, 308
Knee bag .......................................... 40
Messages in the multifunction
display  ........................................... 272
OCS (Occupant Classification
System)  ........................................... 42
Pelvis  ............................................... 41
Safety guidelines  ............................. 39
Side impact ...................................... 41
Window curtain  ................................ 42
Air conditioning refrigerant and
lubricant  ............................................. 354
Air distribution  .................................. 194
Air pressure see Tire inflation pressure                        
Air pressure (tires)  ............................ 250
Air recirculation mode  ...................... 195
Air volume  .......................................... 194
Alarm system see Anti-theft systems                              
All-wheel drive (4MATIC)  .................. 183
Alternator  
Messages in the multifunction
display  ........................................... 290
Alternator (Technical data)
see Vehicle specification                          
AMG menu  ......................................... 123
Anticorrosion/antifreeze  .................. 357
Antilock Brake System see ABS                                                     
Anti-theft systems  ............................... 66
Anti-theft alarm system  ...................67
Immobilizer  ...................................... 66
Aquaplaning
see Hydroplaning                                      
Armrest, front  
Storage compartments  ..................206
Armrest, rear  
Storage compartment  ....................206
Ashtrays  ............................................. 209
Aspect ratio (tires)  ............................ 250
Audio menu  ........................................ 126
Audio system  ..................................... 136
Adjusting volume  ........................... 144
Audio and telephone operation  ......136
Audio AUX mode ............................ 166
Bluetooth ®
 settings  ....................... 147
CD mode ........................................ 158
Components  .................................. 137
MP3 mode  ..................................... 158
Operating safety  ............................ 137
Radio operation  ............................. 148
Satellite radio  ................................ 152
Switching on and off  ......................1444Index204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 4 

System settings ............................. 147
Telephone  ...................................... 167
Auto-dimming rear view mirrors  ........ 87
Automatic central locking  .......... 74, 135
Automatic headlamp mode  ................ 91
Automatic interior lighting control  .... 95
Automatic locking when driving  ...... 135
Automatic shift program  .................. 111
Automatic transmission  ................... 108
Automatic shift program  ................111
Gear range indicator  ......................111
Gear ranges  ................................... 111
Gear selector lever  ........................108
Hill-start assist system  ..................183
Kickdown  ....................................... 110
Kickdown (manual shift program)  ..115
Manual shift program ..................... 113
One-touch gearshifting  ..................112
Program mode indicator  ................112
Program mode selector switch
(automatic shift program)  ..............111
Program mode selector switch
(manual shift program)  ..........113, 114
Shifting procedure  .........................109
Steering wheel gearshift control  ....112
Transmission position indicator  .....109
Transmission positions  ..................109
AUX socket  ........................................ 166
Axle oils  .............................................. 351
B
BabySmart™  
Air bag deactivation system  .............46
Self-test  ........................................... 47
Back button  ....................................... 141
Backrest see Seats                                                  
Backup lamps  
Messages in the multifunction
display  ........................................... 292
Replacing bulbs  ............................. 314
Bar (air pressure unit)  ....................... 250
BAS (Brake Assist System)  ................. 61
Batteries, SmartKey  
Checking condition  ..........................73
Replacing  ....................................... 312
Battery, Vehicle ................................. 321
Charging  ........................................ 323
Jump starting  ................................. 323
Messages in the multifunction
display  ........................................... 290
Bead (tire)  .......................................... 250
Beverage holders see Cup holders                                        
Bluetooth ®
 settings  .......................... 147
Brake Assist System see BAS                                                     
Brake fluid  
Checking level  ............................... 228
Messages in the multifunction
display  ........................................... 282
Brake lamps  
Cleaning lenses  ............................. 263
Replacing bulbs  ............................. 314
Brake pads  
Messages in the multifunction
display  ........................................... 279
Brakes  ................................................ 255
High-performance brake system  ....256
Parking brake  ................................ 105
Warning lamp ................................. 298
Break-in period  .................................. 222
Bulbs see Replacing bulbs                                  
C
CAC (Customer Assistance Center)  ... 23
California retail buyers and
lessees, important notice for  ............. 21
Calls (phone)  .............................. 128, 167
Can holders see Cup holders                                        
Capacities and recommended
fuel/lubricants  .................................. 349
Cargo tie-down rings  ......................... 203
Carpets, cleaning  .............................. 265
CD player  ............................................ 158
Center console  
Lower part  ....................................... 32
Upper part  ....................................... 31
Central locking  
Automatic  ................................ 74, 135
KEYLESS-GO  .................................... 71
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Locking/unlocking from inside ........75
SmartKey  ......................................... 70
Central locking/unlocking switch  ..... 75
Certification label  .............................. 332
Children in the vehicle  
Air bags  ........................................... 37
BabySmart™ air bag deactivation
system  ............................................. 46
Child safety locks (rear doors)  .........59
Child seat anchors – LATCH-type
(ISOFIX)  ........................................... 58
Indicator lamp, front passenger
front air bag off (Canada only)  .........46
Indicator lamp, front passenger
front air bag off (USA only)  ..............42
Infant and child restraint systems .... 55
ISOFIX (Child seat anchors –
LATCH-type) ..................................... 58
OCS (Occupant Classification
System)  ........................................... 42
Override switch  ................................ 59
Safety notes ..................................... 54
Tether anchorage points  ..................57
Top tether  ........................................ 57
Child safety
see Children in the vehicle                        
Child seat anchors – LATCH-type
(ISOFIX) see Children in the vehicle                        
Chrome-plated exhaust tip,
cleaning  .............................................. 266
Cigarette lighter  ................................ 209
Clear button  ....................................... 142
Climate control system  
Air conditioning  ............................. 191
Air conditioning refrigerant  ............354
Air distribution  ............................... 194
Air recirculation mode  ...................195
Air volume  ..................................... 194
Automatic mode  ............................ 192
Deactivating system  ......................191
Front defroster  .............................. 194
Maximum cooling MAX COOL  ........195
Temperature  .................................. 192
Clock  ............................................ 29, 132
Cockpit  ................................................. 27
Cold tire inflation pressure  .............. 250
Collapsible wheel chock  ................... 269COMAND system
see separate COMAND system
operating instructions                               
Combination gauge  ............................. 28
Combination switch  ............................ 93
Compass  ............................................ 210
Control system  .................................. 118
Multifunction display  .....................120
Multifunction steering wheel  .........118
Resetting to factory settings  ..........130
Control system menus  ...................... 121
AMG ............................................... 123
Audio  ............................................. 126
Navi  ............................................... 126
Service ........................................... 129
Settings  ......................................... 130
Telephone  ...................................... 128
Trip  ................................................ 121
Control system submenus  
Convenience  .................................. 135
Instrument cluster  .........................131
Lighting  .......................................... 133
Time/Date  ..................................... 132
Vehicle  ........................................... 135
Convenience submenu  
Easy-entry/exit feature .................. 136
Fold-in function for exterior rear
view mirrors  ................................... 136
Coolant  
Anticorrosion/antifreeze  ...............357
Capacities  ...................................... 351
Checking level  ............................... 227
Messages in the multifunction
display  ........................................... 288
Temperature gauge ........................ 117
Warning lamp ................................. 305
Coolant temperature gauge  ............... 28
Corner-illuminating front fog
lamps  .................................................... 94
Cruise control  .................................... 180
Activating ....................................... 181
Canceling  ....................................... 181
Changing the set speed  .................182
Last stored speed  ..........................183
Lever .............................................. 181
Messages in the multifunction
display  ........................................... 2756Index204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 6 

Electrical system 
Improper work on or
modifications  ................................... 22
Power outlets ................................. 210
Electrical system (Technical data)
see Vehicle specification                          
Electronic Stability Program
see ESP ®
                                                  
Electronic Traction System
see ETS/4-ETS                                          
Emergency, in case of  
First aid kit ..................................... 268
Flat tire  .......................................... 317
Hazard warning flasher  ....................93
Roadside Assistance ................ 21, 214
Towing the vehicle  .........................325
Emergency calls  
Tele Aid  .......................................... 212
Telephone  ...................................... 173
Emergency operations  
Remote door lock (Tele Aid) ........... 216
Remote door unlock (Tele Aid)  .......215
Trunk lid, emergency release  ...........76
Emergency Tensioning Device
see ETD                                                     
Emission control  ............................... 258
Information label ............................ 333
System warranties  ...........................20
Engine  
Break-in recommendations  ............222
Cleaning ......................................... 262
Compartment  ................................ 224
Malfunction indicator lamp  ............305
Messages in the multifunction
display  ........................................... 288
Number .......................................... 333
Starting  .......................................... 101
Turning off  ..................................... 106
Engine (Technical data)
see Vehicle specification                          
Engine coolant
see Coolant                                               
Engine oil  
Adding  ........................................... 226
Additives  ........................................ 353
Checking level  ............................... 226
Consumption  ................................. 225Messages in the multifunction
display  ........................................... 291
Oil dipstick ..................................... 226
Recommended engine oils and oil
filter  ............................................... 353
ESP ®
 (Electronic Stability
Program)  .............................................. 62
ETS/4-ETS  ....................................... 63
Messages in the multifunction
display  ........................... 280, 281, 283
Warning lamp ................................. 302
ETD (Emergency Tensioning
Device)  ................................................. 52
Safety guidelines  ............................. 39
Ethanol fuel (E85)  .............................. 355
ETS/4-ETS (Electronic Traction
System)  ................................................ 63
Express operation  
Panorama roof  ............................... 200
Power windows  ................................ 98
Tilt/sliding sunroof  ........................196
Exterior lamp switch  ........................... 90
Exterior rear view mirrors  .................. 86
Fold-in function  ................................ 88
Parking position  ............................... 87
Power-folding  ................................... 88
Switching fold-in function on or
off  .................................................. 136
Exterior view of vehicle  ...................... 26
F
Fastening the seat belts  ..................... 50
First aid kit  ......................................... 268
Flat tire  ............................................... 317
Lowering the vehicle  ......................321
Mounting the spare wheel  .............318
Preparing the vehicle  .....................318
Spare wheel ........................... 317, 349
Flexible Fuel Vehicles  ....................... 355
Floormats  ........................................... 220
Fluids  
Automatic transmission fluid  .........350
Brake fluid  ..................................... 351
Capacities  ...................................... 349
Engine coolant  ............................... 351
Engine oil  ....................................... 350
Manual transmission oil  .................350
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N
Navigation system see Separate operating instructions         
Navi menu  .......................................... 126
NECK-PRO active front head
restraints  ............................................. 52
Resetting  ....................................... 311
Nets, parcel  ....................................... 203
Normal occupant weight  .................. 251
Number, vehicle identification
(VIN)  ................................................... 333
O
Occupant Classification System see OCS (Occupant Classification
System)                                                     
Occupant distribution  ....................... 251
Occupant safety  
Air bags  ........................................... 37
BabySmart™  .................................... 46
Children and air bags  .......................37
Children in the vehicle  .....................54
Child seat anchors – LATCH-type
(ISOFIX)  ........................................... 58
Fastening the seat belts ................... 50
Front passenger front air bag off
indicator lamp (Canada
only)  ........................................ 46, 307
Front passenger front air bag off
indicator lamp (USA only)  ........42, 308
Infant and child restraint systems .... 55
Introduction  ..................................... 36
ISOFIX (Child seat anchors –
LATCH-type) ..................................... 58
OCS (Occupant Classification
System)  ........................................... 42
Seat belts  .................................. 39, 48
OCS (Occupant Classification
System)  ................................................ 42
Self-test  ........................................... 46
Odometer  ........................................... 121
Oil, oil level see Engine oil                                            
On-board computer
see Control system                                   
One-touch gearshifting  ..................... 112
Operating safety  .................................. 22
Ornamental moldings, cleaning  ....... 263
Overhead control panel  ...................... 32
P
Paintwork, cleaning  .......................... 261
Paintwork code  ................................. 333
Panic alarm  .......................................... 60
Panorama roof with power tilt/
sliding panel  ...................................... 200
Cleaning ......................................... 264
Operation ....................................... 200
Roller sunblinds  ............................. 199
Synchronizing  ................................ 201
Parcel nets  ......................................... 203
Parking  ............................................... 105
Parktronic system  ..........................185
Parking brake  .................................... 105
Messages in the multifunction
display  ........................................... 281
Parking position  
Exterior rear view mirrors  ................87
Transmission position  ....................109
Parktronic system  
Cleaning system sensors  ...............263
Malfunction .................................... 187
Minimum distance  .........................186
Sensor range  ................................. 185
Switching on/off  ........................... 187
System sensors  ............................. 185
Warning indicators  .........................186
Parts service  ...................................... 332
PASS AIR BAG OFF indicator lamp
(Canada only) see Front passenger front air bag
off indicator lamp (Canada only)               
PASS AIR BAG OFF indicator lamp
(USA only) see Front passenger front air bag
off indicator lamp (USA only)                    
Passenger safety
see Occupant safety                                 
Pedals  ................................................. 254
Pelvis air bags  ..................................... 41
Phone see Telephone                                           
Plastic parts, cleaning  ...................... 265
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Sun visors .......................................... 208
T
Tachometer  .................................. 28, 117
Overspeed range  ........................... 117
Tail lamps  ........................................... 314
Cleaning lenses  ............................. 263
Messages in the multifunction
display  ........................................... 295
Replacing bulbs  ............................. 314
Tar stains  ........................................... 261
Technical data  
Air conditioning refrigerant  ....352, 354
Brake fluid  ............................. 351, 354
Capacities fuels, coolants,
lubricants etc.  ................................ 349
Coolant  .................................. 351, 356
Engine oil additives  ........................353
Engine oils  ............................. 350, 353
Fuel requirements .......................... 354
Gasoline additives .......................... 355
Identification labels  .......................332
Premium unleaded gasoline  ...........354
Rims and tires  ................................ 344
Spare wheel  ................................... 349
Vehicle specification C 250  ...........334
Vehicle specification
C 250 4MATIC  ............................... 335
Vehicle specification
C 250 4MATIC Sport ...................... 336
Vehicle specification C 250 Sport .. 334
Vehicle specification C 300  ...........337
Vehicle specification
C 300 4MATIC  ............................... 339
Vehicle specification
C 300 4MATIC Sport ...................... 340
Vehicle specification C 300 Sport .. 338
Vehicle specification C 350  ...........341
Vehicle specification
C 350 4MATIC  ............................... 343
Vehicle specification C 350 Sport .. 342
Vehicle specification C 63 AMG ..... 343
Washer and headlamp cleaning
system  ................................... 352, 358
Technical data (dimensions)
see Vehicle specification                          
Technical data (electrical system)
see Vehicle specification                          
Technical data (engine)
see Vehicle specification                          
Technical data (weights)
see Vehicle specification                          
Tele Aid  ............................................... 211
Emergency calls  ............................. 212
Information button  .........................215
Initiating an emergency call
manually  ........................................ 213
Messages in the multifunction
display  ........................................... 284
Remote door lock  .......................... 216
Remote door unlock  ......................215
Roadside Assistance button  ..........214
Search & Send  ............................... 215
SOS button  .................................... 213
Stolen Vehicle Recovery Services  ..216
System self-test  ............................. 212
Telephone  .......................................... 167
Answering/ending a call  ................128
Call lists  ......................................... 176
Emergency calls “911”  ..................173
Hands-free microphone  ...................33
Making calls ................................... 177
Menu  ............................................. 128
Operation ....................................... 128
Phone book  ........................... 128, 174
Redialing  ........................................ 129
Temperature  
Coolant  .......................................... 117
Interior temperature  ......................192
Outside  .......................................... 118
Tether anchorage points
see Children in the vehicle                        
Tie-down rings  ................................... 203
Tightening torque  
Wheels  ........................................... 321
Time setting  ....................................... 132
TIN (Tire Identification Number)  ...... 252
Tire and Loading Information
placard  ............................................... 238
Tire and loading terminology  ........... 250
Tire Identification Number see TIN                                                      16Index204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 16 

FunctionPage! Antilock Brake
System (ABS) indicator
lamp 
61,
298
7 Seat belt telltale 51,
301
DOutside temperature
(manual transmission)118
Permanent display:
Outside temperature or
speedometer
(automatic transmission)
118,
132
EOutside temperature
(automatic transmission)
118,
132
FProgram mode indicator
(automatic transmission)111
GTransmission position
indicator/gear range
indicator
(automatic transmission)
109,
111
Additional speedometer
(manual transmission)132
HDigital clock 132IInstrument cluster
illumination117Multifunction steering wheelFunctionPage:Multifunction display120;Press button ~:to end a call128to reject an incoming call128Press button 6:to answer a call128to dial1128to redial1129Press button W or X:to set the volume126to operate the RACETIMER2124Press button 8 to mute=Press button ? to
activate the Voice Control
System3
1Function only available in telephone menu.2AMG vehicles only.3The Voice Control System is only available with the COMAND system. Refer to separate operatinginstructions.
Multifunction steering wheel29At a glance204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 29Z   

FunctionPage?Press button % briefly:to go to the next higher
menu level
120
to confirm display message120to cancel the Voice Control
System 3Press and hold button
%  to select the standard
display
120
APress button  = or ; :120to call up line for main
menusto scroll to the left or right
to select menusPress button  9 or :
briefly:
120
to select submenusto scroll up or down through
liststo select previous or next
track, scene, or stored
station within  Audio menu
126
to switch to the phone book
and select a name or
number within  Tel menu
128
Press and hold button
9  or : :
120
to select previous or next
track or scene with quick
search or to select previous
or next station in waveband
(if no station list is
available) within  Audio
menu
126
to start the quick search in
the phone book within  Tel
menu
128
FunctionPagePress button  a:to confirm selection or
message
120
to switch to the phone
book 1
128
to dial a selected phone
number 1
1283
The Voice Control System is only available with the COMAND system. Refer to separate operating
instructions.
1 Function only available in telephone menu.30Multifunction steering wheelAt a glance
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