Page 411 of 442

409 Index
High mounted brake lamp 345
License plate lamps 345, 351
Low beam headlamps 345
Parking lamps, front 345, 348, 350
Parking lamps, rear 345, 351
Rear lamps 345
Side marker lamps, front 345, 350
Side marker lamps, rear 345, 351
Standing lamps, front 345, 348, 350
Standing lamps, rear 345, 351
Tail lamp unit 351
Tail lamps 345, 351
Turn signal lamps, 
front 345, 348, 350
Turn signal lamps, 
rear 345, 351
Button
Audio system 186C
CAC 399
California
Important notice 11
Calling up
Maintenance service indicator 293
Range (distance to empty) 150
CAN system 399
Cargo area see Trunk
Cargo tie-down rings* 240
Catalytic converter 273
CD changer* 201
CD changer* operation 203
CD player*
Operating 129
CD* operation 201
Center console 27
Front passenger front air bag off 
indicator lamp 27, 63, 70, 308
Lower part 28
Upper part 27Center console ashtray 245
Centigrade
Setting temperature units 135
Central locking
Automatic 96
From inside 96
Locking from inside 96
Switch 96
Switching on/off 
(control system) 145
Unlocking from inside 96
Central locking switch 96
Central unlocking
Switch 96
Unlocking from inside 96
Central unlocking switch 96
Certification label 376
Changing
Batteries (SmartKey) 343
CDs 201
Changing key setting 147 
         
        
        
     
        
        Page 412 of 442

410 IndexCharging
Vehicle battery 361
Checking
Brake fluid 277
Coolant level 277, 283
Engine oil level 277, 280
Tire inflation pressure 277
Vehicle lighting 277
Washer reservoir level 277
Child safety 67
Air bags 60
Infant and child restraint 
systems 64, 67
LATCH-type child seat anchors 73
Child safety switch see 
Blocking of rear door window operation
Child seat anchors see 
LATCH-type child seat anchors
Cigarette lighter 246
Cleaning
Cloth upholstery 300
Cup holders 299
Gear selector lever 299Hard plastic trim items 299
Headlamps 168
Headliner and shelf below 
rear window 299
Instrument cluster 298
Leather upholstery 299
Light alloy wheels 298
MB Tex upholstery 300
Plastic and rubber parts 300
Seat belts 299
Steering wheel 299
Upholstery 299
Windows 298
Windshield 52
Wiper blades 298
Wood trims 300
Climate control 174
Clock 25, 121, 137, 138
Closing
Cup holder, in rear seat armrest 245
Glove box 241
Hood 279Tilt/sliding sunroof* 227
Tilt/sliding sunroof* 
in an emergency 341
Tilt/sliding sunroof* 
with SmartKey 229
Trunk lid 94
Windows 223, 224
Windows with SmartKey 225
Cloth upholstery
Cleaning 300
Cockpit 22, 399
Cockpit Management and 
Data System see COMAND*
Collapsible tire 383
Collapsible tire (C 55 AMG only) 334
Collapsible wheel chock 332
COMAND* 400
COMAND* see separate 
operating instructions
Combination switch 113
High beam flasher 50
Turn signals 50
Windshield wipers 51 
         
        
        
     
        
        Page 413 of 442

411 Index
Consumer information 397
Control and operation 
of radio transmitters 272
Control system 121, 400
AUDIO menu 127
Convenience submenu 146
Display digital speedometer 127
Display outside temperature 127
Functions 122, 125
Instrument cluster 
submenu 135, 137
Lighting submenu 141
Menus 124, 125
Multifunction display 121
Multifunction steering wheel 122
NAV* menu 130
Selecting radio system 128
Selecting satellite radio* system 128
Settings menu 132
Standard display menu 126
Submenu Time/Date 137Submenus 123, 125
TEL* menu 150
Trip computer menu 148
Vehicle status 
message memory menu 130
Vehicle submenu 145
Controller Area Network see CAN system
Convenience submenu 146
Activating easy-entry/exit 
feature* 146
Setting key dependency 147
Setting parking position* for 
exterior rear view mirror 148
Coolant 283
Adding 283
Anticorrosion/antifreeze 
quantity 394
Capacities 387, 388
Checking level 283
Messages in display 316–318
Temperature 274
Temperature gauge 118Coolant level
Checking 277, 283
Coolant temperature gauge 25
Coolants 394
Cruise control 231, 400
Canceling 232
Driving downhill 232
Driving uphill 232
Fine adjustment 233
Message in display 319
Setting current speed 232
Setting speeds 233
Cruise control lever 231
Cruising range, fuel 393
Cup holder
In rear seat armrest 244
Cup holders
Cleaning 299
In front of seat armrest 243
Customer Assistance Center see CAC 
         
        
        
     
        
        Page 414 of 442

412 IndexD
Date (day)
Setting 140
Date (month)
Setting 139
Date (year)
Setting 141
Daytime running lamp mode 111
Setting 142
Deactivating
Air conditioning (cooling) 181
Air recirculation mode 180
Alarm 84
Anti-theft alarm system* 84
Central locking (control system) 145
Climate control 175
Climate control system 177
Cruise control 232
Defrosting 179
Engine with the SmartKey 56ESP 80
Exterior lamps 110
Exterior lamps delayed shut-off 143
Hazard warning flasher 114
Headlamps 55
Immobilizer 83
Interior lighting delayed shut-off 145
Manual shift program 
(C 55 AMG only) 167
Rear window defroster 173
Seat heating* 105
Tow-away alarm* 85
Deep water see Standing water
Defogging
Windshield 178
Defrosting 178
Delayed shut-off
Exterior lamps 143
Interior lighting 145
Dialing
A number (telephone*) 152Difficulties
While driving see 
Problems while driving
With starting 47
Digital clock 121
Digital speedometer 127
Direction of rotation (tires) 287
Discharged battery
Jump starting 363
Disconnecting
Vehicle battery 361
Display
Messages in display 319
Display elements
Audio system 184
Displays
Digital speedometer 127
Maintenance service indicator 292
Outside temperature 127
Selecting display for 
status indicator 136
Showing vehicle status 
messages 131 
         
        
        
     
        
        Page 416 of 442

414 Index
Releasing trunk lid from inside 95
Remote door unlock 255
Unlocking the vehicle 337
Emergency Tensioning Device see ETD
Emission control 273
Emission control information label 376
Ending
A call (telephone*) 152
Engine
Compartment 278
Starting with automatic 
transmission* 47
Starting with manual 
transmission 46
Starting with the SmartKey, 
automatic transmission* 47
Starting with the SmartKey, 
manual transmission 46
Technical data 378
Turning off with the SmartKey 56
Engine cleaning 297Engine compartment 278
Fuse box in 370
Hood 278
Engine malfunction 
indicator lamp 25, 304
Engine number 376, 400
Engine oil 279
Adding 281
Additives 390
Checking level 277, 280
Consumption 279
Display messages 280, 320–321
Filler neck, 
C 230 Kompressor 
(all models) 282
Filler neck, 
C 240 (all models), 
C 320 (all models), 
C 55 AMG 282
Messages in display 280, 320–321
Viscosity 400Engine oil level
Checking 277, 280
Engine oils 390
ESP 79, 400
Four wheel electronic traction 
system with ESP 82
Messages in display 312–313
Switching off 80
Switching on 81
Warning lamp 25, 306
ETD 67, 400
Safety guidelines 62
Ethanol fuel
At the gas station 275
Requirements 392
Switching fuels 393
Exterior lamp switch 49, 109
Exterior lamps
Delayed shut-off 143
Exterior rear view mirrors
Adjusting 41
Parking position* for 148 
         
        
        
     
        
        Page 420 of 442

418 IndexIgnition 33
Switching on, 
automatic transmission* 47
Switching on, 
manual transmission 46
Immobilizer 83
Activating 83
Deactivating 83
Indicator lamps see 
Lamps, indicator and warning
Infant and child restraint systems 67
Installing 72
LATCH-type child seat anchors 73
Information
About service and warranty 10
Inside door handle 92
Installing
Infant and child restraint systems 72
Ski sack* (Canada only) 237
Towing eye bolt 368
Wiper blades 352Instrument cluster 24, 117, 401
Cleaning 298
Coolant temperature gauge 118
Illumination 117
Lamps in 302–307
Multifunction display 121
Outside temperature indicator 119
Selecting language 136
Instrument lighting 117
Instruments and controls see Cockpit
Interior lighting 115
Activating automatic control 115
Deactivating automatic control 115
Delayed shut-off 145
Manual operation 115
Interior rear view mirror
Adjusting 41
Antiglare 168Interior storage spaces 241
Armrest 242
Cup holder in rear seat armrest 244
Cup holders in front of 
seat armrest 243
Glove box 241
Parcel net in 
front passenger footwell 245
Intermittent wiping 52
J
Jack 329
Jump starting 363
K
Key 191
Key dependency memory
Settings 147
Key positions in starter switch 33
Key, mechanical 337 
         
        
        
     
        
        Page 421 of 442

419 Index
Key, SmartKey
Battery check lamp 89
Checking the batteries 91
Factory setting 89
Global locking 89
Global unlocking 89
Loss of 91
Messages in display 322
Positions in starter switch 33
Remote control 88
Restoring to factory setting 90
Selective setting 89
Starting the engine, 
automatic transmission* 47
Starting the engine, 
manual transmission 46
Turning off the engine 56
Unlocking the trunk lid 91
Unlocking with 32
Kickdown 163, 401
Kilometers/miles in speedometer 135
Km/h or mph in speedometer 135L
Labels, identification 376
Lamp bulbs, exterior 344
Lamp sensor
Message in display 324
Lamps, exterior
Front 345
Light sensor 324
Messages in display 323–326
Rear 345
Lamps, indicator and warning
ABS 25, 302
Battery (SmartKey) 89
Brakes 25, 303
Engine diagnostics 304, 307
Engine malfunction 25, 304–305
ESP 25, 306
Front fog lamps 109
Front passenger 
front air bag off 27, 63, 70, 308
Fuel reserve 25, 307
High beam headlamps 25Instrument cluster 302–307
Low beam headlamps 25
Maintenance service indicator 292
Rear fog lamp 109
Seat belt telltale 25, 307
SRS 25, 59, 307
Turn signals 25
Language
Multifunction display 136
Setting 136
LATCH-type child seat anchors 73
Folding back 74
Layout of poly-V-belt drive 377
Leather upholstery
Cleaning 299
Lever for voice control system* 23
License plate lamps
Messages in display 324
Replacing bulbs 345
Light alloy wheels
Cleaning 298
Technical data 381, 382 
         
        
        
     
        
        Page 422 of 442

420 IndexLight sensor 324
Lighter see Cigarette lighter
Lighting 109
Automatic headlamp mode 110
Combination switch 113
Daytime running lamp mode 111
Door entry lamps 116
Exterior lamp switch 109
Front fog lamps 112
High beams 113
Instrument cluster illumination 117
Instruments 117
Interior 115
Locator lighting 112
Low beam 109
Manual headlamp mode 110
Night security illumination 112
Parking lamps 109
Rear fog lamp 113
Settings (control system) 141
Standing lamps 109
Trunk lamp 116Limiting the gear range 159
Limp Home Mode 167
Loading 234
Cargo tie-down rings* 240
Instructions 239
Roof rack* 234
Split rear bench seat* 237
Locator lighting 112
Setting 143
Lock button 401
Locking 54, 88
Automatic while driving 96
Centrally from inside 96
Fuel filler flap 275
Global, SmartKey 89
Glove box 241
Vehicle in an emergency 338
Loss of keys 91
Loss of Service and Warranty 
Information Booklet 375
Low beam headlamps
Indicator lamp 25
Messages in display 324–325
Replacing bulbs 345, 347
Switching on 49Lowering
Vehicle 359
Lubricants
Technical data 387
M
Main dimensions 385
Main fuse box
In passenger compartment 370
Mainodometer 121
Maintenance 12, 292
Vehicles with E85 fuel 393
Maintenance service
Calling up the maintenance 
service indicator 293
Major service (Service B) 292
Minor service (Service A) 292
Overdue 293
Types 293
When due 292
Maintenance service indicator 292
Calling up 293, 294
Clearing 293, 294
Maintenance System 
(U.S. vehicles) 292, 401