2004 MERCEDES-BENZ C320S radio

363 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.

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.).

369 Index
Air vents, rear passenger compartment
Adjustable
Automatic climate control* 172
Climate control 161
Air volume
Adjusting
Automatic climate control* 166
Climate control 157
Airbags 55
BabySmart
TM deactivation
system 66, 361
Children 56
Front 59
Passenger 59
Safety guidelines 58
Side impact 60
Window curtain 60
Alarm
Audible 71, 78
Canceling 79
Visual 78Alarm system
Anti-theft* 78
Tow-away* 79
Alignment bolt (vehicle tool kit) 319, 361
Anticorrosion/antifreeze 357
Antiglare
Automatic* 149
Manual 149
Antilock Brake System see ABS
Anti-theft alarm system*
Arming 78
Canceling alarm 79
Disarming 79
Anti-theft systems 78
Anti-theft alarm system* 78
Immobilizer 78
Tow-away alarm* 79
Aquaplaning see Hydroplaning
Armrest
Storage compartment in front of 218
Storage spaces 219
Ashtrays 220ATF 256
AUDIO menu 118
Selecting radio station 119
Selecting satellite radio* station 119
Audio system 173
Audio and telephone, operation 173
Button and soft key operation 176
Cassette operation 186
CD* operation 189
Operating and display elements 174
Operating safety 173
Operation 176
Radio operation 179
Switching off 176
Switching on 176
Telephone* operation 193
Automatic antiglare* for rear view
mirror 149
Automatic central locking
Activating/deactivating
(control system) 133

373 Index
Climate control 154
Adjusting air distribution
and volume 157
Defogging windshield 157
Defrosting 158
Setting the temperature 156
Clock 23, 126
Closing
Glove box 216
Hood 253
Sliding/pop-up roof* 204
Sliding/pop-up roof*
in an emergency 309
Sliding/pop-up roof*
with SmartKey 204
Trunk lid 87
Windows 201
Windows with SmartKey 202
Cloth upholstery
Cleaning 272
Cockpit 20, 361Cockpit Management and Data System
see COMAND*
COMAND* 362
COMAND*
see separate operating instructions
Combination switch 105
High beam flasher 47
Turn signals 47
Windshield wipers 47
Comfort driving
Transmission program mode 146
Consumer information 359
Control and operation of radio
transmitters 246
Control system 113, 362
AUDIO menu 118
Convenience submenu 133
Display digital speedometer 118
Functions 114, 117
Instrument cluster submenu 126
Lighting submenu 129Malfunction memory menu 122
Menus 116, 117, 363
Multifunction display 113
Multifunction steering wheel 114
NAVI* menu 121
Selecting radio system 119
Selecting satellite radio* system 119
Settings menu 123
Standard display menu 118
Submenus 115, 117
TEL* menu 138
Trip computer menu 136
Vehicle submenu 132
Controller Area Network see CAN system
Convenience submenu 133
Activating easy-entry/exit
feature* 134
Setting key dependency 135
Setting parking position* for exterior
rear view mirror 136

385 Index
Cup holder, in rear seat armrest 218
Doors from the inside 85
Fuel filler flap 250
Fuel filler flap manually 308
Glove box 216
Hood 252
Side windows 200
Sliding/pop-up roof* 203, 309
Sliding/pop-up roof*
in an emergency 309
Sliding/pop-up roof*
with SmartKey 204
Trunk 84
Trunk from the inside 87
Windows 200
Windows with SmartKey 202
Operating
Audio system 173
Cassette player 121
CD player* 120
COMAND*
see separate operating instructionsNavigation system* 121
Radio 119
Radio transmitters 246
Satellite radio* 119
Telephone* 138, 173, 193
Vehicle outside
the USA and Canada 13
Operating safety
Audio system 173
Operator’s Manual 10
Ornamental moldings 269
Outer seats
Rear seat head restraints 94, 96
Outside temperature indicator 111
Overdue service 265
Overhead control panel 27
Overspeed range 363
P
Paintwork 268
Panic alarm* 71
Panic button on SmartKey 71Parcel net
In front passenger footwell 220
Parking 50, 241
Parking brake 45, 50
Engaging 50
Message in display 286
Releasing 45
Parking lamps
Replacing bulbs 310, 311, 313, 314
Switching on 102
Parking position*
Exterior rear view
mirrors 101, 136, 150
Parts see Spare parts service
PASS. AIRBAG OFF indicator lamp 279
Passenger compartment 246
Fuse box in 332
Interior lighting 107
Interior rear view mirror 38
Parcel net in front
passenger footwell 220
Passenger safety see Occupant safety

387 Index
R
Radio
Selecting stations 119
Station search 119
Station selection setting 132
Radio operation 179
Radio see Radio operation
Radio transmitters,
control and operation 246
Range (distance to empty)
Calling up 138
Rapid seat heating*
Switching off 98
Switching on 98
Reading lamp 27
Rear bench seat
Foldable* 212
Rear door window
Blocking operation 70
Rear fog lamp 311
Bulb 311
Switching on 105Rear lamp bulbs
Replacing 315
Rear lamps
Messages in display 293–296
Rear lamps see Tail lamps
Rear outer seats
Adjusting head restraint height 94
Rear passenger compartment,
adjustable air vents
Automatic climate control* 172
Climate control 161
Rear seat head restraints 94
Adjusting 94
Adjusting tilt 96
Folding back 95
Folding back with
switch in center console 95
Installing 97
Outer seats 96
Placing upright 95
Removing 96
Rear view mirrors see MirrorsRear window defroster 153
Rear window sunshade* 152
Reconnecting
Vehicle battery 325
Refrigerant
Air conditioning 352
Refueling 249
Regular checks 251
Reinstalling vehicle battery 324
Remote control
SmartKey 82
Remote door unlock
With Tele Aid* 230
Remote Vehicle Diagnostics 364
Removing
Minispare wheel 302
Ski sack* 212
Vehicle battery 324
Vehicle tool kit 300
Wheel 319
Wiper blades 316

388 IndexReplacing
Backup lamp bulbs 315
Brake lamp bulbs 315
Bulbs 310
Front lamp bulbs 310, 312
Front turn signal bulbs 312, 314
Fuses 334
High beam bulbs 312
High beam bulbs
(xenon-type* headlamps) 313
License plate lamp bulbs 315
Low beam bulbs 312
Parking lamp bulbs 313, 314
Rear fog lamp bulb 315
Rear lamp bulbs 311, 315
Rear turn signal bulbs 315
Side marker lamp bulbs 314
Standing lamp bulbs 313, 314
Wiper blades 316
Reporting
Safety defects 18Research Octane Number see RON
Reset button in the
instrument cluster 23, 123, 124
Resetting
All functions (control system) 123
All functions of a submenu 124
Fuel consumption 137
Service indicator (FSS) 266
Trip odometer 111
Residual heat utilization 171
Residual ventilation 171
REST 171, 364
Restraint system
Message in display 297
Restraint system see
Infant and child restraint systems
Reverse (manual transmission)
Shifting into 141
Rims 342
Roadside Assistance 12
RON 250, 364
Roof rack* 209Rotating wheels 262
Rubber parts
Cleaning 272
S
Safety
Occupant 54
Safety belts see Seat belts
Safety defects
Reporting 18
Safety systems
Driving 72
Searching
Radio station 119
Seat belt force limiter 63
Seat belt height adjustment 42
Seat belts 60
Cleaning 271
Fastening 40
Height adjustment 42
Messages in display 297
Proper use of 42, 62
Safety guidelines 58
Warning lamp 278

391 Index
Sliding/pop-up roof* 203
Closing 203, 309
Closing with SmartKey 204
Messages in display 299
Opening 203, 309
Opening with SmartKey 204
Stopping 204
Synchronizing 205
SmartKey 82
Changing batteries 307
Locking and unlocking 82
Opening and closing the
sliding/pop-up roof* with 204
Opening and closing
windows with 202
Unlocking with 30
Snow chains 264
Soft keys
Audio system 176
Spare fuses 334
Spare parts service 336Speed
Setting current 207
Speed settings
Cruise control 208
Speedometer 23
Settings units 128
Speedometer display mode
Selecting 128
Split rear bench seat* 212
SRS 62, 364
Indicator lamp 278
Message in display 297
Standing lamps 102
Replacing bulbs 310, 311, 313, 314
Standing water
Driving instructions 245
Starter switch 21, 31
Positions 31
Starting difficulties 44
Starting position 31
Starting the engine 43Station (radio)
Search 119
Station selection
Setting 132
Steel rims
Technical data 343
Steering column
Height adjustment, electrical* 38
Height adjustment, manual 37
Length adjustment, electrical* 38
Length adjustment, manual 37
Message in display 298
Steering gear oil
Message in display 298
Steering wheel
Adjusting 36
Buttons 24
Cleaning 271
Electrical adjustment* 37
Manual adjustment 37
Stolen vehicle
Tracking services 230