277 MERCEDES-BENZ C240 2005 W203 Owner's Manual

ContentsOperation......................................... 263
The first 1 000 miles (1 500 km) ......... 264
Driving instructions ............................ 265
Drive sensibly – save fuel ............. 265
Drinking and driving ..................... 265
Pedals .......................................... 265
Power assistance ......................... 265
Brakes .......................................... 266
Driving off..................................... 267
Parking ......................................... 267
Tires ............................................. 268
Hydroplaning ................................ 268
Tire traction .................................. 269
Tire speed rating .......................... 269
Winter driving instructions ........... 270
Standing water ............................. 271
Passenger compartment .............. 272
Driving abroad .............................. 272
Control and operation of radio
transmitters.................................. 272
Catalytic converter ....................... 273
Emission control........................... 273
Coolant temperature .................... 274At the gas station .............................. 275
Refueling ...................................... 275
Check regularly and before
a long trip ..................................... 277
Engine compartment ......................... 278
Hood ............................................ 278
Engine oil ..................................... 279
Transmission fluid level ................ 282
Coolant level ................................ 283
Battery ......................................... 284
Windshield washer system and
headlamp cleaning system* ......... 285
Tires and wheels ................................ 286
Important guidelines .................... 286
Life of tire..................................... 287
Direction of rotation ..................... 287
Checking tire inflation pressure ... 287
Rotating tires ............................... 289Winter driving .................................... 290
Winter tires .................................. 290
Block heater (Canada only) .......... 291
Snow chains................................. 291
Maintenance...................................... 292
Clearing the maintenance
service indicator .......................... 293
Maintenance service term
exceeded ..................................... 293
Calling up the maintenance
service indicator .......................... 293
Resetting the maintenance
service indicator .......................... 294
Vehicle care....................................... 295
Cleaning and care of the
vehicle ......................................... 295

277 Operation
At the gas station
Check regularly and before a long trip
1Coolant
2Brake fluid (fuse box cover removed)
3Windshield washer and headlamp
cleaning system*Coolant
For normal replenishing, use water (pota-
ble water quality). For more information,
see “Coolant level” (
page 283) and see
“Fuels, coolants, lubricants, etc.”
(
page 387).
Brake fluid
Removing fuse box cover (
page 370).Windshield washer and headlamp
cleaning system*
For more information on filling up the
washer reservoir, see “Windshield washer
system and headlamp cleaning system*”
(
page 285).
Engine oil level
For more information on engine oil level,
see “Engine oil” (
page 279).
Vehicle lighting
Check function and cleanliness. For more
information on replacing light bulbs, see
“Replacing bulbs” (page 344).
Exterior lamp switch (page 109).
Tire inflation pressure
More information on tire inflation pressure
(
page 287).
iOpening the hood, see (
page 278).
!If you find that the brake fluid in the
brake fluid reservoir has fallen to the
minimum mark or below, have the
brake system checked for brake pad
thickness and leaks immediately.
Notify an authorized Mercedes-Benz
Center immediately. Do not add brake
fluid as this will not solve the problem.
For more information, see “Practical
hints” (
page 303).

408 Index
Starting with 47
Steering wheel gearshift control
(C 55 AMG only) 164
Transmission fluid 282
B
BabySmart
TM
Air bag deactivation system 70, 399
Compatible child seats 70, 399
Self-test 70
Backrest
Folding forward 238
Folding rearward 238
Backrest contour
Adjusting 104
Backrest side bolsters
Adjusting 104
Backrest tilt
Manual seat 36
Power seat* 38
Backup lamps
Messages in display 323
Replacing bulbs 345BAS 78, 399
Messages in display 311
Batteries, SmartKey
Changing 343
Check lamp 90
Checking 91
Battery discharged
Jump starting 363
Battery, vehicle 284, 360
Charging 361
Disconnecting 361
Reconnecting 362
Reinstalling 361
Removing 361
Bi-Xenon headlamps* 399
Bi-Xenon type*
Front lamp bulbs 349
Block heater (Canada only) 291
Blocking
Rear door window operation 75
Bolts
For spare wheel 336Brake Assist System see BAS
Brake fluid 390
Checking 277
Message in display 315
Brake lamp bulbs 345
Brake lamp, high mounted 345
Brake lamps
Messages in display 323
Brake pads
Message in display 315
Brakes 266
Warning lamp 25, 303
Break-in period 264
Bulbs, replacing 344
Additional turn signals 345
Backup lamps 345, 351
Brake lamps 345, 351
Fog lamp, rear 345, 351
Fog lamps, front 345
Front lamps 345
High beam flasher 345
High beam headlamps 345

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

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

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

425 Index
Premium unleaded gasoline 391
Problems
While driving 53
With vehicle 17
Product information 9
Program mode 121
Program mode selector switch 402
Automatic shift program,
automatic transmission* 162
Manual shift program (C 55 AMG only),
automatic transmission* 166
Q
Quick search
Phone book* 153
R
Radio
Selecting stations 128
Radio operation 191
Radio see Radio operation
Radio transmitters, control and
operation 272Range (distance to empty)
Calling up 150
Reading lamp 115
Rear bench seat
Foldable* 237
Rear door window
Blocking operation 75
Rear fog lamp 345
Bulb 345
Indicator lamp 109
Switching on 113
Rear lamp bulbs
Replacing 351
Rear lamps
Messages in display 323–326
Rear lamps see Tail lamps
Rear outer seats
Adjusting head restraint height 101
Rear passenger compartment,
adjustable air vents 182
Rear seat ashtray 246Rear seat head restraints 101
Adjusting 101
Adjusting tilt 103
Folding back, electrical 102
Folding back, manual 102
Installing 103
Outer seats 103
Placing upright 102
Removing 103
Rear view mirrors see Mirrors
Rear window defroster 173
Rear window sunshade* 172
Reconnecting
Vehicle battery 362
Recovery services
For stolen vehicle 256
Refrigerant
Air conditioning 390
Refueling 275
Regular checks 277
Reinstalling vehicle battery 361
Remote control
SmartKey 88

432 IndexTime
Setting hours 137
Setting minutes 138
Time display
Setting 139
Time synchronization*
With head unit 137
Tire inflation pressure
Checking 277, 287
Tire speed rating 269, 403
Tire traction 269
Tires 286, 380
Consumer information 397
Direction of rotation 287
Driving instructions 268
Retreads 286
Rims and tires 380
Rotating 289
Service life 287
Temperature 288
Temperature grades 398Traction 397
Tread depth 290
Wear pattern 289
Winter 290
Tools 329
Tow away alarm*
Canceling alarm 86
Tow-away alarm* 85
Arming 85
Disarming 85
Disarming for transport 85
Towing eye bolt (vehicle tool kit)
Installing 368
Towing the vehicle 365
Traction 162, 403
Traction (Tires) 397
Transmission gear selector lever
Unlocking manually 340
Transmission see
Automatic* or Manual transmission
Traveling abroad 272Tread depth (tires) 290
Tread Wear 397
Trip computer 148
Trip odometer
Resetting 119
Trunk
Closing the lid 94
Fuse box in 371
Lamp 116
Opening 91
Opening from inside vehicle 93
Opening from outside vehicle 92
Tie-down rings 240
Trunk lid emergency release 95
Trunk lid
Closing 94
Emergency release 95
Message in display 328
Turn signal lamps, front
Messages in display 326
Replacing bulbs 345

434 IndexVehicle battery 360
Vehicle care 295
Cloth upholstery 300
Cup holders 299
Engine cleaning 297
Gear selector lever 299
Hard plastic trim items 299
Headlamps 297
Instrument cluster 298
Leather upholstery 299
Light alloy wheels 298
MB Tex upholstery 300
Ornamental moldings 297
Paintwork 296
Plastic and rubber parts 300
Power washer 296
Seat belts 299
Side markers 297
Steering wheel 299Tail lamps 297
Tar stains 296
Turn signals 297
Upholstery 299
Vehicle washing 297
Window cleaning 298
Wiper blades 298
Wood trims 300
Vehicle Identification Number see VIN
Vehicle jack 331
Vehicle lighting
Checking 277
Vehicle status message memory 130
Calling up 130
Clearing 131
Vehicle status messages
Displaying 131Vehicle tool kit 329
Alignment bolt 329
Collapsible wheel chock 329
Gloves 329
Jack 329
Protective wrap (C 55 AMG only) 329
Removing (C 55 AMG only) 330
Removing (except C 55 AMG) 329
Spare fuses 329
Spare wheel bolts 329
Towing eye bolt 329
Valve extractor
(C 55 AMG only) 329, 331
Vehicle jack 329
Wheel wrench 329
Vehicle washing 297
VIN 376, 403
Voice control system* 403
Hands-free microphone 29

435 Index
W
Warning lamps see
Lamps, indicator and warning
Warning sounds
Drivers seat belts 64
Parking brake 48
Warranty coverage 375
Washer fluid see Windshield washer fluid
Washer reservoir level
Checking 277
Washing the vehicle 295
Wear pattern (tires) 289
Weights 386
Wheel bolts 336
Wheel change
Tightening torque 359
Wheels
Tires and wheels 286
Window curtain air bags 64
Windows see Side windowsWindshield
Defogging 178
Refilling washer fluid 285
Replacing wiper blades 352
Washer fluid 285, 396
Washer system 396
Windshield washer fluid 396
Message in display 328
Mixing ratio 396
Refilling 285
Wiping with 52
Windshield washer system 396
Windshield wipers 51
Fast wiper speed 51
Intermittent wiping 52
Replacing wiper blades 352
Single wipe 52
Switching on 51
Wiping with
windshield washer fluid 52Winter driving 290
Block heater (Canada only) 291
Snow chains 291
Tires 290
Winter driving instructions 270
Winter tires 290
Wiper blades
Cleaning 298
Installing 352
Removing 352
Replacing 352
Wiping
With windshield washer fluid 52
Wood trims
Cleaning 300
X
Xenon headlamps
Bi-Xenon* 399