2004 MERCEDES-BENZ C320 COUPE mirror

280 Practical hintsWhat to do if …Display symbol
Display message
Possible cause
Possible solution
.
TAIL LIGHT, R
CHECK LIGHTS!

BACK-UP LIGHT ON!

The right tail lamp is malfunctioning.
A backup bulb is being used.

Visit an authorized Mercedes-Benz
Center as soon as possible.
TURN SIG., LF
CHECK LIGHT!
The left front turn signal lamp is
malfunctioning.

Replace the bulb as soon as possible.
TURN SIG., RF
CHECK LIGHT!
The right front turn signal lamp is
malfunctioning.

Replace the bulb as soon as possible.
TURN SIG., LR
CHECK LIGHT!

The left rear turn signal lamp is
malfunctioning.

Replace the bulb as soon as possible.
TURN SIG., RR
CHECK LIGHT!

The right rear turn signal lamp is
malfunctioning.

Replace the bulb as soon as possible.
TURN SIG. MIRROR, L
CHECK LIGHT!
The left turn signal in the exterior rear
view mirror is malfunctioning. This mes-
sage will only appear if all light emitting
diodes have stopped working.

Have the LEDs replaced as soon as
possible.
TURN SIG. MIRROR, R
CHECK LIGHT!
The right turn signal in the exterior rear
view mirror is malfunctioning. This mes-
sage will only appear if all light emitting
diodes have stopped working.

Have the LEDs replaced as soon as
possible.

294 Practical hintsReplacing bulbsRear lamps Notes on bulb replacement


Use only 12-volt bulbs of the same type
and with the specified watt rating.


Switch lights off before changing a bulb
to prevent short circuits.


Always use a clean lint-free cloth when
handling bulbs.


Your hands should be dry and free of oil
and grease.


If the newly installed bulb does not
come on, visit an authorized
Mercedes-Benz Center.


Have the LEDs and bulbs for the follow-
ing lamps replaced by an authorized
Mercedes-Benz Center.

Additional turn signals in the exteri-
or rear view mirrors


High mounted brake lamp


Xenon lamps


Front fog lamps
Lamp
Type
6
Side marker lamp
5W5
7
High mounted brake
lamp
LED
8
License plate lamps
C5W
9
Brake lamp
P 21 W
Turn signal lamp
PY21W
Tail, parking stand-
ing and side marker
lamp
P21/5W
Rear fog lamp, driv-
er’s side
P21/4W
Warning!
G
Keep bulbs out of reach of children.
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
Halogen lamps contain pressurized gas. A
bulb can explode if you

touch or move it when hot


drop the bulb


scratch the bulb
Wear eye and hand protection.
Bec a us e o f hi gh vo lt age in xen o n l am ps , i t i s
dangerous to replace the bulb or repair the
lamp and its components. We recommend
that you have such work done by a qualified
technician.

343 Technical terms
GPS*
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers. Employs CD digital maps for
navigation.
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer
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 vehi-
cle and should not be used for normal
acceleration needs.
Lock button
Button on the door which indicates
whether the door is locked or un-
locked. 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 ar-
ranged in menus. Each menu contains
a number of commands for particular
systems. In the Audio menu, for exam-
ple, 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 meth-
od. 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 AN-
TI-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 operat-
ing the control system.
Overspeed range
Engine speeds within the red marking
of the tachometer dial. Avoid this en-
gine speed range, as it may result in se-
rious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.

347 Index
A
ABS 23, 73, 341
Malfunction indicator lamp 258
Messages in display 268
Warning lamp 258
Accelerator position, automatic
transmission 145
Accident
In case of 51
Activating
Air conditioning (cooling) 156
Air recirculation mode 154
Anti-theft alarm system 78
Central locking (control system) 129
Climate control 151
Defrost 154
Easy-entry/exit feature 130
ESP 77
Exterior headlamps 48
Exterior lamps 99
Hazard warning flasher 102Headlamps 48
High beams 102
Ignition 31
Immobilizer 78
Rear fog lamp 100
Rear window defroster 149
Seat heater* 94
Tow-away alarm 79
Windshield wipers 49
Adding
Coolant 241
Engine oil 239
Additional turn signals 293
Adjustable air outlets
Rear passenger compartment 158
Adjusting 32
Air distribution 153
Air volume 153
Backrest tilt 33, 35
Exterior rear view mirror 40Head restraint height 34, 36, 91
Head restraint tilt 34, 36
Head restraints 92
Instrument cluster illumination 105
Interior rear view mirror 39
Manual seat 33
Mirrors 39
Rear seat head restraints 91
Seat cushion tilt 33, 35
Seat fore and aft adjustment 33, 35
Seat height 33, 35
Seats 32
Steering column height 38
Steering column length 38
Steering wheel 37
Air conditioner (cooling)
Turning off 156
Turning on 156
Air conditioner refrigerant 332

348 IndexAir distribution
Adjusting 153
Air outlets
Rear passenger compartment 158
Air pressure see Tire inflation
pressure 245
Air recirculation mode 154
Activating 154
Deactivating 155
Air volume
Adjusting 153
Airbags 57
BabySmartTM
airbag deactivation system 67, 341
Children 58
Front 61
PASS.AIRBAG OFF
indicator lamp 67, 263
Passenger 61
Safety guidelines 60
Side impact 61
Window curtain 61
Alarm
Audible 72, 79Canceling 79
Visual 78
Alarm system
Anti-theft 78
Alignment bolt 303
Alignment bolt (vehicle tool kit) 341
Anticorrosion/antifreeze 337
Antiglare
Automatic 146
Antilock brake system (ABS) 341
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 227
Armrest
Storage compartment in front of 201
Storage spaces 202Ashtray 203
ATF (automatic transmission fluid) 241
AUDIO menu 114
Selecting radio station 115
Audio system 159
Audio and telephone, operation 159
Button and soft key operation 162
Cassette operation 172
CD operation 175
Operating and display elements 160
Operating safety 159
Operation 162
Radio operation 165
Switching off 162
Switching on 162
Telephone operation 179
Automatic antiglare for
rear view mirror 146
Automatic central locking
Activating/deactivating
(control system) 129

352 Index
AUDIO menu 114
Convenience submenu 129
Display digital speedometer 114
Functions 110, 113
Instrument cluster submenu 122
Lighting submenu 125
Malfunction memory menu 117
Menus 112, 113, 343
Multifunction display 109
Multifunction steering wheel 110
NAV menu 117
Selecting radio system 115
Settings menu 118
Standard display menu 114
Submenus 111, 113
TEL* menu 134
Trip computer menu 132
Vehicle submenu 128
Convenience submenu 129
Activating easy-entry/exit
feature 130Setting key dependency 131
Setting parking position for
exterior rear view mirror 132
Coolant 241, 336
Adding 241
Anticorrosion/antifreeze
quantity 336
Capacities 330
Checking level 241
Messages in display 271, 272
Temperature 232
Temperature indicator 106
Warning lamp 272
Coolant level
Checking 235, 241
Cruise control 194, 342
Canceling 195
Driving downhill 195
Driving uphill 195
Fine adjustment 196
Message in display 274
Saving current speed 195Setting speeds 196
Cruise control lever 194
Cruising range, fuel 335
Cup holder
Cleaning 255
In front seat armrest 201
Customer Assistance Center (CAC) 341
D
Daytime running lamp mode 100
Setting 125, 126
Deactivating
Air conditioning (cooling) 156
Air recirculation mode 155
Alarm 79
Anti-theft alarm system 79
Central locking (control system) 129
Climate control 151
Cruise control 195
Defrost 154
ESP 76

355 Index
Messages in display 238, 276
Viscosity 342
Engine oil level see Oil level 235
ESP 23, 75, 342
Messages in display 266
Switching off 76
Switching on 77
Synchronizing 266
Warning lamp 261
ETD 342
Safety guidelines 60
ETD (Emergency tensioning device) 64
Ethanol fuel
At the gas station 233
Switching fuels 334
Exterior lamp switch 98
Exterior lamps
Delayed shut-off 127
Exterior rear view mirror
Activating parking position 147Exterior rear view mirrors
Adjusting 40
Parking position for 132
F
Fahrenheit
Setting temperature units 123
Fastening the seat belts 41
Fine adjustment
Cruise control 196
First aid kit 284
Flat tire 301
Inflating the spare tire 304
Lowering the vehicle 306
Mounting the spare wheel 301
Preparing the vehicle 301
Spare wheel 285
Flexible fuel vehicles 334
At the gas station 233
Switching fuels 334
Flexible Service System (FSS) 249, 342Fog lamp, front 101
Fog lamp, rear 101, 294
Fog lamps
Replacing bulbs 293
Fog lamps, front
Messages in display 278
Replacing bulbs 294
Front airbags 61
Front fog lamp
Switching on 101
Front lamps
Bi-Xenon type 296
Halogen-type 295
Messages in display 277, 279
Replacing bulbs 293, 295
Switching on 98
Front seat backrest
Folding backrest back 37
Folding backrest forward 36

358 IndexImmobilizer 78
Activating 78
Deactivating 78
Infant and child restraint systems 65
Installing 69
LATCH child seat mounts 70
Inflating
Spare tire 304
Information
Button for Tele Aid* 211
Installing
Infant and child restraint systems 69
Towing eye bolt 316
Wiper blades 300
Instrument cluster 22, 105, 343
Cleaning 255
Coolant temperature indicator 106
Illumination 105
Lamps in 261–262
Multifunction display 109Outside temperature indicator 107
Selecting language 124
Instruments and controls see Cockpit 20
Interior lighting 103
Activating automatic control 103
Deactivating automatic control 103
Delayed shut-off 128
Manual operation 103
Interior rear view mirror
Adjusting 39
Antiglare 146
Interior storage spaces 200
Armrest 202
Cup holder 201
Glove box 200
Parcel net in
front passenger footwell 203
Storage compartment in
front of armrest 201J
Jack 285, 286
Jump starting 310
K
Key dependency memory
Settings 131
Key positions in starter switch 31
Key, mechanical 288, 289
Key, SmartKey
Battery check lamp 83
Changing the batteries 290
Checking the batteries 84
Factory setting 83
Global locking 83
Global unlocking 83
Individual setting 83
Loss of 84
Positions in starter switch 31
Remote controls 82
Restoring to factory setting 83