2004 MERCEDES-BENZ C320 wheel bolts

321 Practical hints
Flat tire

Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.Lowering the vehicle

Lower vehicle by turning crank
counterclockwise until vehicle is
resting fully on its own weight.

Remove the jack.
1 - 5Wheel bolts

Tighten the five wheel bolts evenly,
following the diagonal sequence
illustrated (1to5), until all bolts are
tight. Observe a tightening torque
of 80 lb-ft (110 Nm).Before storing the jack, it should be fully
collapsed, with handle folded in (storage
position) (
page 302).

Store the jack and the other vehicle
tools in the vehicle tool kit storage well
casing (
page 303).

Store the wheel cover (Canada only)
and the damaged wheel in the trunk.
Warning!
G
Only use genuine equipment
Mercedes-Benz wheel bolts. Other wheel
bolts may come loose.
Do not tighten the wheel bolts when the
vehicle is raised. Otherwise the vehicle
could tip over.
Warning!
G
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque
of 80 lb-ft (110 Nm).

365 Technical terms
Tele Aid* System
(T
elematic A
larm I
dentification on
D
emand)
The Tele Aid system consists of three
types of response: automatic and
manual emergency, roadside assis-
tance and information. Tele Aid is
initially activated by completing a
subscriber agreement and placing an
acquaintance call.
The Tele Aid system is operational
provided that the vehicle’s battery is
charged, properly connected, not
damaged and cellular and GPS
coverage is available.Telematics*
A combination of the terms “tele-
communications” and “informatics”.
Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.
Tire speed rating
Part of tire designation; indicates the
speed range for which a tire is
approved.Traction
Force exerted by the vehicle on the
road via the tires.
VIN
(V
ehicle I
dentification N
umber)
The number set by the manufacturer
and placed on the body to uniquely
identify each vehicle produced.
Voice control system*
Voice control system for car phones,
portable cell phones and audio
systems (radio, CD, etc.).

371 Index
Bi-Xenon headlamps* 361
Bi-Xenon type*
Front lamp bulbs 313
Block heater 264
Blocking
Rear door window operation 70
Bolts
For Minispare wheel 304
Brake Assist System see BAS
Brake fluid 352
Checking 251
Message in display 286
Brake lamp bulbs 311
Brake lamp, high mounted 311
Brake pads
Message in display 286
Brakes 240
Warning lamp 275
Break-in period 238Bulbs, replacing 310
Additional turn signals 310
Backup lamps 311
Brake lamps 311
Fog lamps 310
Front lamps 310
High beam 310
High beam flasher 310
High mounted brake lamp 311
License plate lamps 311, 315
Low beam 310
Parking lamps 310, 311, 313, 314
Rear fog lamp 311, 315
Rear lamps 311
Side marker lamps 310, 314
Standing lamps 310, 311, 313, 314
Tail lamp assemblies 311, 315
Turn signal lamps 310, 311
Button
Audio system 176C
CAC 361
California
Important notice 11
Calling up
Range (distance to empty) 138
Service indicator 266
CAN system 361
Capacities
Fuels, coolants, lubricants, etc. 349
Cargo area see Trunk
Cassette operation
Playing cassettes 186
Cassette player
Operating 121
Catalytic converter 247
CD changer* 189
CD player*
Operating 120
CD* operation 189

383 Index
Manual seat
Adjusting 33
Adjusting backrest tilt 33
Adjusting head restraint height 34
Adjusting head restraint tilt 34
Adjusting seat cushion tilt 33
Adjusting seat height 33
Front seat head restraints 93
Seat fore and aft adjustment 33
Manual transmission 141
Gearshift lever 43
Shifting into reverse 141
Starting with 43
MAXCOOL Maximum cooling 167
MB Tex upholstery
Cleaning 272
Mechanical key 305
Memory function* 99, 363
Recalling positions from
memory 100
Storing exterior rear view mirror
parking position 101
Storing key dependent settings 100Menus 114
AUDIO 118
Control system 363
In control system 116, 117
Malfunction memory 122
NAVI* 121
Settings menu 123
Standard display 118
Submenus 115
TEL* 138
Trip computer 136
Microphone
Hands-free microphone 27
Miles/kilometers in speedometer
Setting 128
Minispare wheel 302
Bolts 304
Mounting 317
Removing 302Mirrors
Activating exterior rear view mirror
parking position* 150
Adjusting 38
Automatic antiglare* for
interior mirror 149
Automatic antiglare* for
rear view mirror 149
Exterior rear view mirror 38
Exterior rear view mirror
parking position* 136
Interior rear view mirror 38
Storing exterior rear view mirror
parking position* 101
MON 250, 363
Motor Octane Number see MON
Mph or km/h in speedometer 128
Multicontour seat* 97
Multifunction display 113, 363
Displaying gear range 144
Selecting language 128
Standard display 117

386 IndexPedals 239
Performance
In cold weather 355
In hot weather 355
Phone book*
Loading 140
Quick search 140
Phone number*
Dialing 140
Redialing 140
Plastic and rubber parts
Cleaning 272
Playing
CDs 191
Poly-V-belt drive 363
Layout 339
Positions (Memory function*)
Recalling from memory 100
Storing into memory 100
Power assistance 239Power seat*
Adjusting backrest tilt 35
Adjusting head restraint height 35
Adjusting head restraint tilt 36
Adjusting seat cushion tilt 35
Adjusting seat height 35
Memory function* 99
Removing/installing front
head restraints 94
Seat fore and aft adjustment 35
Power train 364
Power washer 268
Power windows 200
Blocking of
rear door window operation 70
Side windows 200
Synchronizing 202
Practical hints
First aid kit 300
Fuses 332
Lamp in center console 279Lamps in instrument cluster 274
Messages in the display 280
Minispare wheel 302
Minispare wheel bolts 304
Symbol messages 284
Text messages 281
Towing the vehicle 328
Vehicle jack 301
Vehicle tool kit 300
Premium unleaded gasoline 353
Problems
While driving 49
With vehicle 17
Product information 9
Program mode selector switch 364
Automatic transmission* 146
Q
Quick search
Phone book* 140

393 Index
Technical data
Air conditioning refrigerant 352
Brake fluid 352
Coolant 350
Coolants 356
Electrical system 346
Engine oil additives 352
Engine oils 352
Flexible fuel vehicles 354
Fuel requirements 353
Fuels 350
Gasoline additives 354
Lubricants 349
Main dimensions 347
Premium unleaded gasoline 353
Rims and tires 342
Weights 348
Windshield washer 351
Windshield washer and headlamp
cleaning* system 351, 358Tele Aid* 223
Emergency calls 224
Information 227
Initiating an emergency call
manually 226
Message in display 299
Remote door unlock 230
Roadside assistance 226
SOS button 226
Stolen vehicle tracking services 230
System self-check 224
Tele Aid System 223, 365
Upgrade signals 229
Telematics* 365
Telephone* 24, 222
Answering a call 139
Dialing a number from
the phone book 140
Emergency call 198
Ending a call 139
Hands-free microphone 27Loading phone book 140
Message in display 299
Operation 138, 193
Redialing 140
Signal strength 139
Temperature
Display mode 127
Grades of tires 360
Setting interior temperature
Automatic climate control* 165
Climate control 156
Setting units in display 127
Tires 262
Tightening torque
(Wheel bolts) 321, 365
Tilt
Head restraint
Manual seat 34
Power seat* 36
Time
Setting hours 126
Setting minutes 126

396 Index
Upholstery 271
Vehicle washing 269
Window cleaning 270
Wiper blades 270
Wood trims 272
Vehicle Identification Number see VIN
Vehicle jack 301
Vehicle lighting
Checking 251
Vehicle tool kit 300
Alignment bolt 300
Removing 300
Spare fuses 300
Special fuse puller 300
Towing eye bolt 300
Vehicle jack 300
Wheel bolts 300
Wheel wrench 300
Vehicle washing 269Ventilated storage compartment 160
Ventilation
Storage compartment 160
VIN 338, 365
Voice control system* 365
Hands-free microphone 27
W
Warning lamps
see Lamps, indicator and warning
Warning sounds
Drivers seat belts 60
Parking brake 45
Warranty coverage 337
Washer fluid see Windshield washer fluid
Washing the vehicle 267
Wear pattern (tires) 262
Weights 348
Wheel change
Tightening torque 321Wheels
Rotating 262
Tires and wheels 260
Window curtain airbags 60
Windows see Side windows
Windshield
Defogging
Automatic climate control* 166
Climate control 157
Refilling washer fluid 259
Replacing wiper blades 316
Washer fluid 259, 358
Washer system 358
Windshield washer fluid 358
Message in display 299
Mixing ratio 358
Refilling 259
Wiping with 48
Windshield washer system 358