2004 MERCEDES-BENZ C320 4MATIC WAGON radio

359 Technical terms
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision,
including the tachometer, speedo-
meter, engine temperature display and
fuel gauge.
Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible gear.
This very quickly accelerates the
vehicle and should not be used for
normal acceleration needs.
Lock button
Button on the door which indicates
whether the door is locked or
unlocked. Pushing the lock button
down on an individual door from inside
will lock that door.
Memory function*
Used to store three individual seat,
steering wheel and mirror positions for
each SmartKey.Menu
The control system displays are
arranged in menus. Each menu
contains a number of commands for
particular systems. In the Audio menu,
for example, you will find the
commands
SELECT RADIO STATION
or
OPERATE CD PLAYER
. Using commands,
you can directly change the settings for
your vehicle.
MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized
method. It is an indication of a
gasoline's ability to resist undesired
detonation (knocking). The average of
both the MON (Motor Octane Number)
and ->RON (Research Octane Number)
is posted at the pump, also known as
ANTI-KNOCK INDEX.Multifunction display
Display field in the instrument cluster
used to present information provided
by the control system.
Multifunction steering wheel
Steering wheel with buttons for
operating the control system.
Overspeed range
Engine speeds within the red marking
of the tachometer dial. Avoid this
engine speed range, as it may result in
serious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.

361 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.).

364 Index
Seats 32, 33
Steering column height 38
Steering column length 38
Steering wheel 36
Air conditioning (cooling)
Turning off 156, 166
Turning on 156, 166
Air conditioning refrigerant 348
Air distribution
Adjusting 153, 162
Air pressure see Tire inflation pressure
Air recirculation mode 154, 163
Activating 154, 163
Deactivating 155, 164
Air vents, rear passenger compartment
Adjustable 157, 168
Air volume
Adjusting 153, 162Airbags 57
BabySmart
TM deactivation
system 68
Children 58
Front 61
Passenger 61
Side impact 62
Window curtain 62
Alarm
Audible 73, 81
Canceling 81
Visual 80
Alarm system
Anti-theft 80
Alignment bolt 357
Alignment bolt (vehicle tool kit) 320
Anticorrosion/antifreeze 353
Antiglare
Automatic 146
Manual 146
Antilock brake system (ABS) 357Anti-theft alarm system
Arming 80
Canceling alarm 81
Disarming 81
Anti-theft systems 80
Anti-theft alarm system* 80
Immobilizer 80
Tow-away alarm 81
Aquaplaning see Hydroplaning
Armrest
Storage compartment in front of 217
Storage spaces 218
Ashtray 219
ATF (automatic transmission fluid) 256
AUDIO menu 116
Selecting radio station 117
Audio system 169
Audio and telephone, operation 169
Button and soft key operation 172
Cassette operation 182
CD operation 185
Operating and display elements 170

365 Index
Operating safety 169
Operation 172
Radio operation 175
Switching off 172
Switching on 172
Telephone operation 189
Automatic antiglare
for rear view mirror 146
Automatic central locking
Activating/deactivating
(control system) 131
Automatic climate control* 158
Activating 159
Adjusting air distribution 162
Adjusting air volume 162
Air recirculation mode 163
Deactivating 159
Defrosting 163
Rear window defroster 149
Residual heat utilization 167
Residual ventilation 167
Setting the temperature 161Automatic headlamp mode 101
Automatic lighting control
Activating 105
Deactivating 105
Automatic locking when driving 88
Automatic transmission 139
Accelerator position 144
Comfort program mode 143
Emergency operation
(Limp Home Mode) 144
Fluid level 256
Gear ranges 141
Gear selector lever position 139, 142
Gear shifting malfunctions 144
Kickdown 144
Manual shifting 140
One-touch gearshifting 140
Program mode selector switch 143
Starting with 43
Transmission fluid 256
Auxiliary fuse box 334B
BabySmart
TM
Airbag deactivation system 68
Compatible child seats 68
Self-test 68
BabySmart
TM airbag
deactivation system 357
BabySmartTM compatible
child seats 357
Backrest
Folding forward 211
Folding rearward 212
Backrest tilt 33
Backup lamps 311, 316
Bulbs 311
BAS 75, 357
Messages in display 281
Batteries, SmartKey
Changing 306
Check lamp 85
Checking 86

368 Index
Upholstery 271
Windows 270
Windshield 48
Wiper blades 270
Wood trims 272
Climate control 150
Adjusting 153
Defogging windshield 153
Defrosting 154
Setting the temperature 152
Clock 23, 124
Closing
Glove box 215
Hood 253
Side windows 197
Sliding/pop-up roof 199, 309
Sliding/pop-up roof with
SmartKey 200
Tailgate 88
Windows 196
Windows with SmartKey 198Closing sliding/pop-up roof
In an emergency 309
Cloth upholstery
Cleaning 272
Cockpit 20, 357
Cockpit management and
data system (COMAND*) 358
COMAND*
See separate operating instructions
Combination switch 103
High beam flasher 47, 104
Turn signals 46
Windshield wipers 47
Comfort driving
Transmission program mode 143
Consumer information 355
Control and operation of radio
transmitter 246
Control system 111, 358
AUDIO menu 116
Convenience submenu 132
Display digital speedometer 116Functions 112, 115
Instrument cluster submenu 124
Lighting submenu 127
Malfunction memory menu 120
Menus 114, 115
Multifunction display 111
Multifunction steering wheel 112
NAVI menu 119
Selecting radio system 117
Selecting satellite radio* system 117
Settings menu 121
Standard display menu 116
Submenus 113, 115
TEL* menu 136
Trip computer menu 134
Vehicle submenu 131
Convenience submenu 132
Activating easy-entry/exit
feature 132
Setting key dependency 133
Setting parking position for
exterior rear view mirror 134

379 Index
N
Navigation system
Operating 119
See separate COMAND*
operating instructions
Night security illumination 102
Setting 129
O
Occupant safety 56
Airbags 57
Children and airbags 58
Children in the vehicle 65
Fastening the seat belt 40
Infant and child restraint systems 65
LATCH-type child seat anchors 71
Seat belts 40, 60
Odometer, main 23
Oil
Adding 256
Consumption 254
Filler neck 256Oil level
Checking 251
One-touch gearshifting 140
Canceling gear range limit 140
Downshifting 140
Upshifting 140
Opening
Ashtray 219
Doors from the inside 87
Fuel filler flap 250
Fuel filler flap manually 308
Glove box 215
Hood 252
Side windows 197
Sliding/pop-up roof 199, 309
Sliding/pop-up roof in an
emergency 309
Sliding/pop-up roof with
SmartKey 200
Tailgate 87
Windows 196
Windows with SmartKey 198Operating
Audio system 169
Cassette player 119
CD player 118
COMAND* see separate
operating instructions
Navigation system 119
Radio 117
Radio transmitter 246
Telephone* 136, 169, 189
Vehicle outside
the USA and Canada 13
Operating safety
Audio system 169
Operator’s Manual 10
Ornamental moldings 269
Outer seats
Rear seat head restraints 94
Outside temperature indicator 109
Overdue service 265
Overhead control panel 27

381 Index
Practical hints
First aid kit 300
Fuses 333
Lamp in center console 279
Lamps in instrument cluster 274
Messages in the display 280
Minispare wheel 302
Symbol messages 284
Text messages 281
Towing the vehicle 329
Vehicle jack 301
Vehicle tool kit 300
Premium unleaded gasoline 349
Problems
While driving 50
With vehicle 17
Product information 9
Program mode selector switch
Automatic transmission 143
Program mode selector switch
(Automatic transmission) 360Q
Quick search
Phone book* 138
R
Radio
Selecting stations 117
Station search 117
Station selection setting 131
Radio operation 175
Radio see Radio operation
Radio transmitter, control and
operation 246
Range (distance to empty)
Calling up 136
Rapid seat heater*
Switching off 96
Switching on 96
Reading lamp 27
Rear bench seat
Foldable 211Rear door window
Blocking operation 72
Rear fog lamp 311
Bulb 311
Switching on 103
Rear lamp bulbs
Replacing 315
Rear lamps see Tail lamps
Rear outer seats
Adjusting head restraint height 92
Rear passenger compartment
Adjustable air vents 157, 168
Rear seat head restraints 92
Adjusting 92
Adjusting tilt 93
Folding back 93
Installing 94
Outer seats 94
Placing upright 93
Removing 94

383 Index
S
Safety
Occupant 56
Safety belts see Seat belts
Safety defects
Reporting 18
Safety systems
Driving 74
Saving current speed 203
Searching
Radio station 117
Seat belt force limiter 65
Seat belt height adjustment 42
Front seats 42
Rear outer seats 42
Seat belts 62
Cleaning 271
Fastening 40
Height adjustment 42Proper use of 42, 64
Safety guidelines 60
Warning lamp 278
Seat cushion depth
Adjusting 95
Seat heater*
Switching off 96
Switching on 96
Seats 90
Adjusting 32, 33
Easy entry/exit feature* 90
Heater* 95
Manual seat 33
Multicontour seat* 95
Power seat* 35
Split rear bench seat 211
Securing cargo
Cargo tie-down rings 214
Selecting
Display 127Self-test
BabySmart
TM airbag
deactivation system 68
Tele Aid* 223
Service
Calling up the service indicator 266
Major service (Service B) 265
Minor service (Service A) 265
Overdue 265
Spare parts 336
Types 265
When due 265
Service and Warranty Booklet
Loss of 337
Service and warranty information 10
Service indicator 265
Calling up 266
Clearing 265, 266
Service life (tires) 261
Service see Maintenance
Service System see FSS