Page 379 of 474
378 Practical hintsUnlocking/locking in an emergencyUnlocking and opening the trunk lid
A minimum height clearance of 7.1 ft.
(2.16 m) is required to open the trunk lid.
The emergency release is located on the
inside of the trunk lid.1 Cover
2 Emergency release lever
3 Rear bench seat backrest
Fold backrest 3 forward
(page 251).
Remove cover 1 from the trim on the
trunk lid.
Push release lever 2 all the way to the
right.
The trunk lid unlocks.
Lift the trunk lid.!Always make sure there is sufficient
overhead clearance.
iIf the vehicle has previously been
locked from the outside with the
SmartKey, opening the trunk from the
inside using the emergency release le-
ver will trigger the anti-theft alarm sys-
tem*.
To cancel the alarm, do one of the fol-
lowing:
Press button Œ or ‹ on the
SmartKey.
Insert the SmartKey in the starter
switch.
Page 425 of 474
424 Technical dataMain DimensionsModel
C230Kompressor
C320
Overall vehicle length
171.2 in (4348 mm)
Overall vehicle width
68.0 in (1728 mm)
Overall vehicle height
55.4 in (1406 mm)
Wheelbase
106.9 in (2715 mm)
Track, front
59.2 in (1505 mm)
Track, rear
58.1 in (1476 mm)
Page 444 of 474

443
Index
A
ABS 25, 81, 437
Malfunction indicator lamp 340
Messages in display 353
Warning lamp 340
Accelerator position, automatic transmission* 165
Accessory weight 323
Accident In case of 55
Activating Air conditioning (cooling) 193Climate control 179
Air recirculation mode 189 Climate control 177
Anti-theft alarm system 86
Automatic climate control* 183
Central locking (control system) 148
Charcoal filter 191
Climate control 173
Climate control system 175
Defrosting 188 Climate control 177
Easy-entry/exit feature* 148
Electric air pump 399
ESP 85 Exterior headlamps 51
Exterior lamps 111
Exterior rear view mirror parking
position* 169
Hazard warning flasher 116
Headlamps 51
High beams 114
Ignition 33
Immobilizer 86
Rear fog lamp 113
Rear window defroster 170
Residual heat 193
Seat heating* 106
Tow-away alarm 88
Windshield wipers 53
Adding Coolant 296, 297
Engine oil 294
Headlamp cleaning fluid 299
Windshield washer fluid 299
Additional turn signals 385
Adjustable air vents, rear passenger compartment 194Climate control 180 Adjusting 35
Air distribution 186 Climate control 176
Air volume 187 Climate control 176
Backrest tilt 36, 38
Exterior rear view mirrors 42
Head restraint height 37, 38
Head restraint height, rear seats 103
Head restraint tilt 37, 39
Head restraint tilt, rear seats 105
Head restraints, rear seats Folding back 104
Placing upright 105
Instrument cluster illumination 119
Interior rear view mirror 42
Manual seat 36
Mirrors 42
Rear seat head restraints 103
Seat cushion tilt 36, 38
Seat fore and aft adjustment 36, 38
Seat height 36, 38
Seats 35
Steering column height 42
Steering column length 42
Steering wheel 40
Page 454 of 474

453
Index
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GVW 324
GVWR 324
H
Halogen-type
Front lamp bulbs 386
Hands-free microphone* 29
Hard plastic trim items Cleaning 337
Hazard warning flasher 116 Switching off 116
Switching on 116
Head restraints Front seats 37, 102Manual seat 102
Power seat* 103
Manual seat 37, 102
Power seat* 38, 102
Rear seats 103
Headlamp cleaning fluid Checking 290
Headlamp cleaning system* Refilling 299 Headlamps
Automatic control 111
Bi-Xenon* 437
Bi-Xenon* typeReplacing bulbs 388
Cleaning system* 167
Halogen-type Replacing bulbs 386
Refilling washer fluid 299
Switching off 57
Switching on 51
Washer fluid* 435
Washer system* 435
Headliner Cleaning 337
Heated seats* 106
Height adjustment Head restraints 37, 38
Rear seat head restraints 103
Seat belts 46
High beam flasher 114
High beam headlamps Messages in display 367
Replacing bulbs 385, 387Bi-Xenon-type 389
Switching on 114 High mounted brake lamp 385
Hood 291
Closing 292
Message in display 365
Opening 291
Hydroplaning see Aquaplaning 281
I
Identification labels 416
Ignition 33 Switching on 48, 49
Immobilizer 86 Activating 86
Deactivating 86
Indicator lamps see Lamps, indicator and warning
Infant and child restraint systems 70 Installing 77
LATCH child seat anchors 78
Inflating Spare tire 398
Information Button for Tele Aid* 266
Installing Infant and child restraint systems 77
Towing eye bolt 409
Wiper blades 393
Page 457 of 474

456 IndexM
Main dimensions 424
MaintenanceVehicles with E85 fuel 432
Maintenance service Overdue 331
Types 331
Maintenance service indicator Calling up 331, 332
Clearing 331, 332
Maintenance System (USA vehicles) 330, 439
Malfunction Displaying 132
Malfunction memory Calling up 132
Clearing 133
Manual headlamp mode 111
Manual operations Fuel filler flap 379
Interior lighting control 118
Locking the vehicle 379
Panorama roof with power tilt/sliding panel* 381
Unlocking the driver’s door 377
Unlocking the trunk lid 378 Unlocking transmission gear selector
lever 380
Manual seat Adjusting 36
Adjusting backrest tilt 36
Adjusting head restraint height 37
Adjusting head restraint tilt 37, 39
Adjusting seat cushion tilt 36
Adjusting seat height 36
Front seat head restraints 102
Seat fore and aft adjustment 36
Manual transmission 157 Shifting into reverse 158
Starting with 48
MAXCOOL maximum cooling 188
Maximum load rating 324
Maximum loaded vehicle weight 324
Maximum tire inflation pressure 324
MB Tex upholstery Cleaning 338
Mechanical key 377
Memory function* 107, 439 Recalling positions from memory 108
Storing exterior rear view mirror park-
ing position 109 Storing key dependent settings 108
Menus 124 AUDIO 129
In control system 126, 127
NAVI* 131
Settings menu 133
Standard display 128
Submenus 125
TEL* 153
Trip computer 151
Vehicle status message memory menu 132
Microphone Hands-free microphone 29
Miles/kilometers in speedometer Setting 137
Mirrors Adjusting 42
Auto-dimming* for rear view mirrors 168
Exterior rear view mirror parking position* 150, 169
Exterior rear view mirrors 42
Interior rear view mirror 42, 167
Storing exterior rear view mirror park-
ing position* 109
Page 460 of 474

459
Index
Parts see Parts service 414
Parts service 414
Passenger compartment 284
Fuse box in 411
Interior lighting 117
Interior rear view mirror 42
Parcel net in front passenger footwell 257
Passenger safety see Occupant safety
Pedals 277
Performance In cold weather 431
In hot weather 432
Phone book* Loading 154
Quick search 155
Phone number* Dialing 154
Redialing 156
Plastic and rubber parts Cleaning 338
Playing CDs 216
Poly-V-belt drive 440 Layout 417 Positions (Memory function*)
Recalling from memory 108
Storing into memory 108
Potential problems associated with under- inflated and overinflated tires 312
Power assistance 277
Power seat* Adjusting backrest tilt 38
Adjusting head restraint height 38
Adjusting seat cushion tilt 38
Adjusting seat height 38
Memory function* 107
Removing/installing front head restraints 103
Seat fore and aft adjustment 38
Power train 440
Power washer 334
Power windows 237 Side windows 237
Synchronizing 240
Practical hints First aid kit 373
Fuses 410
Lamp in center console 345
Lamps in instrument cluster 340
Spare wheel 375 Spare wheel bolts 376
Symbol messages 357
Text messages 349
Towing the vehicle 406
Vehicle jack 374
Vehicle status messages in the
display 347
Vehicle tool kit 373
Premium unleaded gasoline 429
Problems While driving 55
Production options weight 324
Program mode selector switch 440 Automatic transmission* 164
PSI 325
Q
Quick search Phone book* 155
R
Radio Selecting stations 130
Radio operation 203
Radio transmitters Control and operation 284
Page 461 of 474

460 IndexRange (distance to empty)Calling up 152
Reading lamp 29
Rear bench seat Foldable 250
Rear fog lamp 385 Bulb 385
Switching on 113
Rear lamp bulbs Replacing 390
Rear lamps Messages in display 366–370
Rear lamps see Tail lamps
Rear passenger compartment Adjustable air vents 194
Rear passenger compartment, adjustable air ventsClimate control 180
Rear seat head restraints 103 Adjusting 103
Adjusting tilt 105
Folding back 104
Installing 105
Placing upright 105
Removing 105
Seats 105 Rear seats
Adjusting head restraint height 103
Head restraints 103
Rear view mirrors see Mirrors
Rear window defroster 170 Activating 170
Deactivating 170
Recommended tire inflation pressure 325
Reconnecting Vehicle battery 403
Refilling Coolant 296
Headlamp cleaning system* 299
Refrigerant Air conditioner 428
Refuelling 288
Regular checks 290
Reinstalling vehicle battery 402
Remote control SmartKey 90
Remote door unlock With Tele Aid* 268 Removing
Spare wheel 375
Vehicle battery 402
Wheel 396
Wiper blades 393
Replacing Backup lamp bulbs 390
Batteries (SmartKey) 382, 383
Brake lamp bulbs 390
Bulbs 384
Front lamp bulbs 385, 386
Front turn signal bulbs 388, 389
High beam bulbs (xenon-type* headlamps) 389
License plate lamp bulbs 392
Low beam bulbs 387
Parking lamp bulbs 388, 390
Rear fog lamp bulb 390
Rear lamp bulbs 385, 390
Rear turn signal bulbs 390
Side marker lamp bulbs 390, 391
Standing lamp bulbs 388, 390
Wiper blades 393
Reset button in the instrument cluster 134, 135
Page 462 of 474

461
Index
Resetting
All functions (control system) 133
All functions of a submenu 135
Fuel consumption 152
Maintenance service indicator 332
Trip odometer 121
Residual heat utilization 193
Residual ventilation 193
Restraint system Message in display 356
Restraint system see Infant and child re- straint systems
Restraint systems 440
Reverse (manual transmission) Shifting into 158
Rim 325
Rims 419
Roller sunblinds* Closing 241
Opening 241
RON 289
RON (Research Octane Number) 440
Roof rack* 250
Rubber parts Cleaning 338 S
Safety
Occupant 60
Safety belts see Seat belts
Safety systems Driving 81
Satellite radio Additional text information 212
General information 208
Manual channel input 210
Storing of station 212
Seat belt Force limiter 69
Seat belt force limiter 69
Seat belt outlet height adjustment 46
Seat belts 66 Cleaning 337
Fastening 44
Height adjustment 46
Proper use of 47, 68
Safety guidelines 64
Warning lamp 344
Seat heating* Switching off 106
Switching on 106
Seating capacity 305 Seats 100
Adjusting 35
Easy entry/exit feature* 100
Heating* 106
Manual 36
Rear seat head restraints 105
Split rear bench seat 250
Securing cargo Cargo tie-down rings 253
Selecting Display for status indicator 138
Station (satellite radio) 210
Selector lever Lock 49
Selector lever see gear selector lever
Self-test OCS 77
Tele Aid* 262
Service Major service (Service B) 330
Minor service (Service A) 330
Parts 414
When due 330
Service and Warranty Booklet Loss of 415
Service indicator 330