
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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Delayed shut-off ............................ 134
Halogen  ......................................... 314
High-beam flasher ............................ 93
High-beam headlamps  .....................93
Low-beam headlamps  ......................91
Messages in the multifunction
display  ........................................... 292
Replacing bulbs  ............................. 313
Switch  .............................................. 90
Headliner and shelf below rear
window, cleaning and care of  .......... 265
Head restraints  .................................... 79
Adjustment  ................................ 79, 82
Folding back  .................................... 83
NECK-PRO active front head
restraints  ......................................... 52
Rear seat head restraints ................. 83
Height adjustment  
Seat belt outlet  ................................ 51
Seats  ............................................... 79
High-beam flasher  ............................... 93
High-beam headlamps  ................ 93, 314
High-performance brake system  ..... 256
Hill-start assist system  ..................... 183
Hood  ................................................... 224
Messages in the multifunction
display  ........................................... 286
Horn  ...................................................... 27
Hydroplaning  ..................................... 257
I
Identification labels  .......................... 332
Identification number, vehicle
(VIN)  ................................................... 333
Ignition  ......................................... 78, 102
Immobilizer  .......................................... 66
Infant and child restraint systems see Children in the vehicle                        
Inflation pressure
see Tires, Inflation pressure                      
Inside door handle  .............................. 74
Instrument cluster  ...................... 28, 116
Illumination  .................................... 117
Lamps  ............................................ 297
Multifunction display  .....................120
Instrument lighting
see Instrument cluster, Illumination         
Instrument panel
see Instrument cluster                              
Instruments and controls
see Cockpit                                               
Interior lighting  
Delayed shut-off  ............................ 135
Emergency lighting  ..........................95
Front  ................................................ 95
Front reading lamps  .........................95
Rear  ................................................. 95
Rear reading lamps  ..........................95
Interior rear view mirror  ..................... 86
Auto-dimming rear view mirrors ....... 87
Interior storage spaces
see Storage compartments                      
Intermittent wiping  ............................. 96
Rain sensor  ...................................... 96
ISOFIX (Child seat anchors –
LATCH-type) see Children in the vehicle                        
J
Jack  ..................................................... 269
Jump starting  ..................................... 323
K
Key, Mechanical  
Loss of  ............................................. 73
Replacing  ......................................... 74
Unlocking/locking manually  ..........309
Valet locking  .................................... 77
Key, SmartKey  
Battery check lamp  ..........................73
Checking batteries  ...........................73
Factory setting ........................... 71, 73
Global locking (KEYLESS-
GO)  .................................................. 73
Global locking (SmartKey) ................ 71
Global unlocking (KEYLESS-
GO)  .................................................. 73
Global unlocking
(SmartKey)  ....................................... 71
Important notes on KEYLESS-GO  .....72
Locking/unlocking ........................... 70
Loss of  ............................................. 73
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Messages in the multifunction
display  ........................................... 286
Opening, trunk  ................................. 75
Opening and closing the power
tilt/sliding sunroof or the
panorama roof  ................................. 99
Opening and closing the windows .... 99
Remote control  ................................ 70
Replacing  ......................................... 74
Replacing batteries  ........................312
Restoring to factory setting  .......71, 73
Selective setting  ........................71, 73
Starter switch positions  ...................77
KEYLESS-GO  
Starter switch positions  ...................78
Kickdown  ........................................... 110
Kickdown (manual shift program)  ... 115
Kilopascal (air pressure unit)  ........... 251
Knee bag  .............................................. 40
L
Labels  
Certification  ................................... 332
Emission control information  .........333
Tire and Loading Information
placard ........................................... 238
Tire inflation pressure  ....................231
Lamps, exterior  
Exterior lamp switch  ........................90
Front  .............................................. 314
Messages in the multifunction
display  ........................................... 292
Rear  ............................................... 314
Switching on/off .............................. 90
Lamps, indicator and warning  
ABS .......................................... 29, 298
Brakes  ..................................... 28, 298
Center console  ................................ 31
Coolant  .................................... 28, 305
Engine malfunction  ..................28, 305
ESP ®
 ........................................ 28, 302
ESP ®
 OFF  ................................ 28, 303
Fog lamps  ........................................ 92
Front fog lamps ................................ 28
Front passenger front air bag off
(Canada only)  .......................... 46, 307
Front passenger front air bag off
(USA only) ................................ 42, 308
Fuel tank reserve  .....................28, 304
High-beam headlamps  ...............28, 93
Instrument cluster  ...................28, 297
Low-beam headlamps  ................28, 91
Low tire pressure/TPMS
malfunction telltale  ..................28, 306
Rear fog lamp  .................................. 28
Seat belt telltale  ................29, 51, 301
SRS .................................... 28, 36, 302
Turn signals  ..................................... 28
LATCH-type child seat anchors (ISOFIX)
see Children in the vehicle                        
License plate lamps  
Messages in the multifunction
display  ........................................... 294
Light alloy wheels, cleaning  ............. 265
Lighter see Cigarette lighter                                 
Lighting  ................................................ 90
Daytime running lamp mode  ............91
Exterior  ............................................ 90
Interior  ............................................. 95
Limp-home mode  .............................. 116
Load index (tires)  ...................... 246, 251
Loading see Vehicle loading                                   
Locator lighting  ................................. 134
Locking the vehicle  
KEYLESS-GO  .................................... 71
Manually  ........................................ 310
SmartKey  ......................................... 70
Loss of  
Key  .................................................. 73
Service and Warranty Information
booklet  .......................................... 332
Low-beam headlamps  ......................... 91
Exterior lamp switch  ........................90
Replacing bulbs  ............................. 314
Switching on  .................................... 91
Lubricants  .......................................... 349
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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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Power assistance .............................. 255
Power outlets  .................................... 210
Power seats see Seats                                                  
Power steering  
Messages in the multifunction
display  ........................................... 288
Power tilt/sliding sunroof  
Operation ....................................... 196
Synchronizing  ................................ 199
Power washer  .................................... 261
Power windows  ................................... 98
Cleaning ......................................... 264
Operation  ......................................... 98
Rear door window, override
switch  .............................................. 59
Synchronizing  .................................. 99
Practical hints  ................................... 268
Problems  
While driving  .................................. 104
With vehicle  ..................................... 23
With wipers  ...................................... 97
Product information  ............................ 20
Production options weight  ............... 251
Program mode selector switch  
Automatic shift program  ................111
Manual shift program  ............113, 114
Proximity key
see Key, SmartKey                                    
PSI (air pressure unit)  ....................... 251
R
RACETIMER  ........................................ 124
Radio  .................................................. 148
Satellite radio  ................................ 152
Selecting stations  ..........................126
Radio transmitters  ............................ 258
Rain sensor see Intermittent wiping                             
Rear axle oil  ....................................... 351
Rear center console ashtray see Ashtrays                                             
Rear doors  
Child safety locks  ............................ 59
Rear door window  
Override switch  ................................ 59
Rear fog lamp
see Fog lamps                                           
Rear lamps
see Tail lamps                                           
Rear seat head restraints
see Head restraints                                   
Rear view camera  .............................. 188
Cleaning the camera lens  ..............263
Rear window defroster  ..................... 196
Recommended tire inflation
pressure  ..................................... 230, 251
Refrigerant, air conditioning  ............ 354
Refueling  ............................................ 222
Regular checks  .................................. 224
Reminder, Seat belt see Seat belts, Telltale                              
Remote control
see Key, SmartKey                                    
Remote door lock (Tele Aid)  ............. 216
Remote door unlock (Tele Aid)  ......... 215
Replacing  
Key  .................................................. 74
Replacing bulbs  ................................. 313
Reporting safety defects  .................... 23
Research Octane Number see RON                                                    
Reserve fuel  
Messages in the multifunction
display  ........................................... 291
Warning lamp ................................. 304
Restraint systems
see Occupant safety                                 
Retaining hooks  ................................. 203
Rims  ........................................... 251, 344
Roadside Assistance  ................... 21, 214
Roller sunblinds  ................................. 199
RON (Research Octane Number)  ..... 354
Roof rack  ............................................ 203
Rubber parts, cleaning  ...................... 265
S
Safety  
Driving safety systems  .....................60
Occupant safety ............................... 36
Reporting defects  ............................ 23
Safety belts
see Seat belts                                           
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Satellite radio .................................... 152
Seat belt force limiter  ......................... 52
Seat belts  ............................................. 48
Children in the vehicle  .....................54
Cleaning ......................................... 265
Fastening  ......................................... 50
Height adjustment  ...........................51
Proper use of  ................................... 49
Safety guidelines  ............................. 39
Safety notes ..................................... 48
Telltale  ........................................... 301
Seat heating  ......................................... 84
Seating capacity  ................................ 239
Seats  ..................................................... 79
Adjustment  ...................................... 79
Easy-entry/exit feature  ....................85
Heating  ............................................ 84
Memory function .............................. 89
Messages in the multifunction
display  ........................................... 286
Split rear seat bench  .....................204
Securing cargo  
Cargo tie-down rings ...................... 203
Selective setting
see Key, SmartKey                                    
Selector lever
see Gear selector lever                             
Self-test  
BabySmart™  .................................... 47
OCS (Occupant Classification
System)  ........................................... 46
Tele Aid  .......................................... 212
Service
see Maintenance                                       
Service, parts  .................................... 332
Service and warranty information  ..... 20
Service intervals see Maintenance System, Service
indicator message                                     
Service life (tires)  .............................. 243
Service menu  ..................................... 129
Settings  
Factory setting (KEYLESS-GO)  .........73
Factory setting (SmartKey)  ..............71
Memory function .............................. 89
Menu  ............................................. 130Selective setting (KEYLESS-GO)  .......73
Selective setting (SmartKey)  ............71
Shelf below rear window, cleaning  .. 265
Side impact air bags  ........................... 41
Side marker lamps  
Cleaning lenses  ............................. 263
Messages in the multifunction
display  ........................................... 293
Replacing bulbs  ............................. 314
Sidewall (tires)  .................................. 252
SmartKey see Key, SmartKey                                    
SmartKey with KEYLESS-GO
see Key, SmartKey                                    
Snow chains  ...................................... 253
Snow tires see Winter tires                                         
Spare wheel  ....................................... 344
Mounting  ....................................... 318
Storage location  ............................ 270
Speedometer  ....................................... 28
Speed settings  
Cruise control  ................................ 181
Resume function  ............................ 183
SRS (Supplemental Restraint System)  
Indicator lamp  ......................... 36, 302
Messages in the multifunction
display  ........................................... 284
Standing water, driving through  ...... 257
Starter switch positions  
KEYLESS-GO  .................................... 78
SmartKey  ......................................... 77
Starting difficulties (engine)  ............ 102
Starting the engine  ........................... 101
Steering column see Multifunction steering wheel,
Adjustment                                               
Steering wheel
see Multifunction steering wheel              
Steering wheel gearshift control  ..... 112
Stolen Vehicle Recovery Services  ... 216
Storage compartments  ..................... 205
Storing tires  ....................................... 244
Sunroof see Power tilt/sliding sunroof                  
Sunshade  
Rear window  .................................. 208Index15204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 15 

U
Uniform Tire Quality Grading
Standards  .................................. 244, 252
Units  
Selecting speedometer display
mode  ............................................. 131
Unleaded gasoline, premium  ........... 354
Unlocking the vehicle  
KEYLESS-GO  .................................... 71
Manually  ........................................ 309
SmartKey  ......................................... 70
Upholstery, cleaning  ......................... 266
Useful features  .................................. 207
V
Valet locking  ........................................ 77
Vehicle  
Battery  ........................................... 321
Care  ............................................... 260
Control system  .............................. 118
Identification Number (VIN)  ...........332
Locking/unlocking ........................... 70
Lowering (wheel change)  ...............321
Modifications and alterations,
Operating safety  .............................. 22
Towing  ........................................... 325
Unlocking/locking manually  ..........309
Vehicle dimensions
see Vehicle specification                          
Vehicle Identification Number
(VIN)  ................................................... 332
Vehicle jack see Jack                                                     
Vehicle lighting  .................................... 90
Vehicle loading  
Cargo tie-down rings ...................... 203
Instructions .................................... 202
Load limit  ....................................... 239
Roof rack  ....................................... 203
Split rear seat bench  .....................204
Terminology  ................................... 250
Vehicle maximum load on the tire  ... 252
Vehicle specification  
C 250 ............................................. 334
C 250 4MATIC  ............................... 335
C 250 4MATIC Sport ...................... 336
C 250 Sport  ................................... 334
C 300 ............................................. 337
C 300 4MATIC  ............................... 339
C 300 4MATIC Sport ...................... 340
C 300 Sport  ................................... 338
C 350 ............................................. 341
C 350 4MATIC  ............................... 343
C 350 Sport  ................................... 342
C 63 AMG  ...................................... 343
Vehicle status message memory  .... 129
Vehicle tool kit  .................................. 268
Vehicle washing see Vehicle care                                        
Vehicle weights
see Vehicle specification                          
W
Warning sounds  
Driver’s or passenger’s seat belt  .....51
Parking brake  ................................ 281
Parktronic system  ..........................187
Seat belt telltale  ............................ 301
Warranty coverage  ............................ 332
Washer and headlamp cleaning
system  ................................................ 358
Washer fluid  
Mixing ratio  .................................... 358
Refilling  .......................................... 228
Washing the vehicle  .......................... 260
Wear pattern (tires)  .......................... 245
Weights (vehicle) see Vehicle specification                          
Wheel  
Changing  ....................................... 317
Removing  ....................................... 320
Spare  ............................................. 317
Tightening torque ........................... 321
Wheels, sizes  ..................................... 344
Wheels, Tires and  .............................. 229
Window curtain air bags  ..................... 42
Windows see Power windows                                  
Windows, cleaning  ............................ 264
Windshield  
Cleaning wiper blades .................... 264
Defogging  ...................................... 195
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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