Page 340 of 442

338 Practical hintsUnlocking/locking in an emergencyUnlocking and opening the trunk
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
The trunk lid lock is located next to the
handle above the rear license plate recess.
1Unlocking in an emergency
2Handle
Insert the mechanical key into the
trunk lid lock until it stops.
Turn the mechanical key
counterclockwise to position1.
The trunk lid unlocks.
Pull on handle2.
The trunk lid opens.
Turn the mechanical key back and
remove it from the trunk lid lock.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey, do the following:
Close the passenger doors and the
trunk lid.
Press the central locking switch in the
center console (
page 96).
Check to see whether the locking
knobs on the passenger doors have
moved down.
If necessary push them down manually.
Except for the driver’s door, the vehicle
should now be locked.
!The trunk lid swings open upwards
automatically. Always make sure there
is sufficient overhead clearance.
Page 387 of 442
385 Technical data
Main dimensions
Main dimensions
Model
C 230 Kompressor
C240
C 240 4MATIC
C320
C 320 4MATIC
C230KompressorSport
C 320 Sport
C55AMG
Overall vehicle length
178.4 in (4 531 mm)
178.4 in (4 531 mm)
181.8 in (4 617 mm)
Overall vehicle width
68.0 in (1 728 mm)
68.0 in (1 728 mm)
68.7 in (1 744 mm)
Overall vehicle height
56.3 in (1 429 mm)
55.6 in (1 413 mm)
55.6 in (1 412 mm)
Wheelbase
106.9 in (2 715 mm)
106.9 in (2 715 mm)
106.9 in (2 715 mm)
Track, front
59.3 in (1 505 mm)
59.3in (1505mm)
59.3 in (1 507 mm)
Track, rear
58.1 in (1 476 mm)
58.1 in (1 476 mm)
58.0 in (1 474 mm)
Page 407 of 442

405 Index
A
ABS 77, 399
ABS control 77
Indicator lamp 25
Malfunction indicator lamp 302
Messages in display 310
Accelerator position,
automatic transmission* 163
Accident
In case of 53
Activating
Air conditioning (cooling) 181
Air recirculation mode 179
Anti-theft alarm system* 84
Central locking (control system) 145
Climate control 175
Climate control system 177
Defrosting 178
Easy-entry/exit feature* 146
Electric air pump 358
ESP 81Exterior headlamps 49
Exterior lamps 110
Exterior rear view mirror
parking position* 170
Hazard warning flasher 114
Headlamps 49
High beam headlamps 50
High beams 113
Ignition 33
Immobilizer 56, 83
Low beam headlamps 49
Manual shift program
(C 55 AMG only) 166
Rear window defroster 173
Seat heating* 105
Tow-away alarm* 85
Windshield wipers 51
Adding
Coolant 283
Engine oil 281
Additional turn signals 345
Adjustable air vents,
rear passenger compartment 182Adjusting 35
Air distribution 178
Air volume 178
Backrest contour 104
Backrest side bolsters 104
Backrest tilt, manual seat 36
Backrest tilt, power seat* 38
Exterior rear view mirrors 41
Folding back rear seat
head restraints, electrical 102
Folding back rear seat
head restraints, manual 102
Head restraint height,
manual seat 37
Head restraint height,
power seat* 38
Head restraint height, rear seats 101
Head restraint tilt, manual seat 37
Head restraint tilt, power seat* 39
Head restraint tilt, rear seats 103
Instrument cluster illumination 117
Interior rear view mirror 41
Manual seat 36
Mirrors 41
Page 408 of 442

406 Index
Multicontour seat* 104
Placing upright rear seat
head restraints 102
Power seat* 38
Rear seat head restraints 101
Seat belt height 45
Seat cushion depth 104
Seat cushion tilt, manual seat 36
Seat cushion tilt, power seat* 38
Seat fore and aft adjustment,
manual seat 36
Seat fore and aft adjustment,
power seat* 38
Seat height, manual seat 36
Seat height, power seat* 38
Seats 35
Steering column height,
electrical* 41
Steering column height,
manual 40
Steering column length,
electrical* 41
Steering column length,
manual 40
Steering wheel 39Adjusting air distribution
and volume 178
Adjusting sound functions 187
Adjusting the volume 187
Aids for changing fuses 369
Air bags 59
BabySmart
TM deactivation
system 70, 399
Children 60
Front 63
Passenger 63
Safety guidelines 62
Side impact 64
Window curtain 64
Air conditioning (cooling) 181
Turning off 181
Turning on 181
Air conditioning refrigerant 390
Air distribution
Adjusting 178
Air pressure see Tire inflation pressure
Air pump, electric
Turning on 358Air recirculation mode 179
Activating 179
Deactivating 180
Air vents, rear passenger compartment
Adjustable 182
Air volume
Adjusting 178
Alarm
Audible 76, 83
Canceling 84, 86
Visual 83
Alarm system
Anti-theft* 83
Tow-away* 85
Alignment bolt (vehicle tool kit) 355, 399
Anticorrosion/antifreeze 395
Antiglare
Automatic* 169
Manual 168
Antilock Brake System see ABS
Anti-theft alarm system*
Arming 84
Canceling alarm 84
Disarming 84
Page 419 of 442

417 Index
H
Halogen-type
Front lamp bulbs 347
Hands-free microphone 29
Hard plastic trim items
Cleaning 299
Hazard warning flasher 114
Switching off 114
Switching on 114
Head restraints 99
Front seats, manual seat 100
Front seats, power seat* 100
Manual seat 37
Power seat* 38
Rear seats 101
Head unit
Time synchronization* with 137
Headlamp cleaning system* 285
Headlamp shut-off delay see
Delayed shut-off, exterior lampsHeadlamps
Automatic control 110
Bi-Xenon* 399
Bi-Xenon* type
Replacing bulbs 349
Cleaning 297
Cleaning system* 168, 285, 396
Halogen-type, replacing bulbs 347
Refilling washer fluid 285
Switching off 55
Switching on 49
Washer fluid 396
Headliner and shelf below rear window
Cleaning 299
Heated seats* 105
Height adjustment
Head restraints, manual seat 37
Head restraints, power seat* 38
Rear seat head restraints 101
Seat belts 45
Steering wheel,
electrical* adjustment 40
Steering wheel,
manual adjustment 40High beam flasher 50, 113
High beam headlamps
Indicator lamp 25
Messages in display 324
Replacing bulbs 345, 348
Switching on 50, 113
High beam headlamps xenon type*
Replacing bulbs 349
High mounted brake lamp 345
Hood 278
Closing 279
Message in display 322
Opening 278
Horn 23
Hydroplaning 268
I
Identification labels 376
Certification label 376
Emission control
information label 376
Vacuum line routing
diagram label 376
Vehicle Identification Number 376
Page 423 of 442

421 Index
Manual headlamp mode 110
Manual operation
Interior lighting control 115
Manual operations
Fuel filler flap 339
Locking the vehicle 338
Tilt/sliding sunroof* 341
Unlocking the driver’s door 337
Unlocking the trunk 338
Unlocking transmission
gear selector lever 340
Manual seat
Adjusting 36
Adjusting backrest tilt 36
Adjusting head restraint height 37
Adjusting head restraint tilt 37
Adjusting seat cushion tilt 36
Adjusting seat height 36
Front seat head restraints 100
Seat fore and aft adjustment 36Manual shift program (C 55 AMG only)
Activating 166
Automatic transmission* 165
Deactivating 167
Manual transmission 154
Gearshift lever 46, 155
Shifting into reverse 155
Starting with 46
MB Tex upholstery
Cleaning 300
Mechanical key 337
Memory
TV station 200
Memory function* 106, 401
Recalling positions from
memory 107
Storing exterior rear view mirror
parking position 108
Storing key dependent settings 107Menus 122
AUDIO 127
In control system 124, 125
NAV* 130
Settings menu 132
Standard display 126
Submenus 123
TEL* 150
Trip computer 148
Vehicle status message memory 130
Microphone
Hands-free microphone 29
Miles/kilometers in speedometer
Setting 135
Minispare wheel 383
Minispare wheel (except C 55 AMG) 333
Mirrors
Activating exterior rear view
mirror parking position* 170
Adjusting 41
Automatic antiglare*
for interior mirror 169
Page 426 of 442

424 IndexPassenger compartment 272
Interior lighting 115
Interior rear view mirror 41
Main fuse box in 370
Parcel net in front passenger
footwell 245
Passenger safety see Occupant safety
Pedals 265
Performance
In cold weather 393
In hot weather 393
Phone book*
Loading 152
Quick search 153
Phone number*
Dialing 152
Redialing 153
Plastic and rubber parts
Cleaning 300
Playing
CDs 204Poly-V-belt drive 401
Layout 377
Positions (Memory function*)
Recalling from memory 107
Storing into memory 107
Power assistance 265
Power seat*
Adjusting backrest tilt 38
Adjusting head restraint height 38
Adjusting head restraint tilt 39
Adjusting seat cushion tilt 38
Adjusting seat height 38
Memory function* 106
Removing/installing front
head restraints 100
Seat fore and aft adjustment 38
Power tilt/sliding sunroof* 227
Power train 402
Power washer 296Power windows 223
Blocking of rear door
window operation 75
Side windows 223
Synchronizing 226
Practical hints
Collapsible tire (C 55 AMG only) 334
Collapsible wheel chock 332
First aid kit 329
Fuses 369
Lamp in center console 308
Lamps in instrument cluster 302
Minispare wheel
(except C 55 AMG) 333
Spare wheel bolts 336
Symbol messages 314
Text messages 310
Towing the vehicle 365
Vehicle jack 329, 331
Vehicle status messages
in the display 309
Vehicle tool kit 329
Page 427 of 442

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