2004 MERCEDES-BENZ C320 COUPE fuel

338 Technical dataFuels, coolants, lubricants, etc.Windshield washer system and headlamp cleaning system
Both the windshield and headlamp washer
systems are supplied from the windshield
washer fluid reservoir.
The washer fluid reservoir has a capacity of
approx.

6.4 US qt (6.0 l) in vehicles with head-
lamp cleaning system*


3.2 US qt (3.0 l) in vehicles without
headlamp cleaning system

Refill the reservoir with MB Windshield
Washer Concentrate and water (or con-
centrate and commercially available
premixed windshield washer sol-
vent/antifreeze, depending on ambient
temperatures).Windshield and headlamp washer fluid
mixing ratio
For temperatures above freezing point use
MB Windshield Washer Concentrate “S”
and water:


1 part “S” to 100 parts water
[40 ml “S” to 1 gallon (4 liters) water]
For temperatures below freezing point use
MB Windshield Washer Concentrate “S”
and commercially available premixed
windshield washer solvent/antifreeze:


1 part “S” to 100 parts solvent
[40 ml “S” to 1 gallon (4 liters) solvent].
Warning!
G
Washer solvent/antifreeze is highly flamma-
ble. Do not spill washer solvent/antifreeze
on hot engine parts, because it may ignite
and burn. You can be seriously burned.

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.

350 Index
Warning lamp 259
Break-in period 222
Bulbs, replacing 293
Additional turn signals 293
Brake lamps 294
Fog lamps 293
Front lamps 293
High beam 293
High mounted brake lamp 294
License plate lamps 294, 299
Low beam 293
Parking lamps 293, 294, 296, 297
Rear fog lamp 294
Rear fog lamps 298
Side marker lamps 294, 298
Standing lamps 293, 294, 296, 297
Tail lamp assemblies 294, 298
Turn signal lamps 293, 294
Button
Audio system 162C
CAC (Customer Assistance Center) 341
Calling up
Range (distance to empty) 134
Service indicator 250
CAN system 341
Capacities
Fuels, coolants, lubricants, etc. 330
Cargo compartment
Lighting 104
Cassette operation
Playing cassettes 172
Cassette player
Operating 116
Catalytic converter 231
CD changer* 175
CD operation 175
CD player
Operating 116
Center console 25Lower part 26
PASS.AIRBAG OFF indicator
lamp 263
Upper part 25
Centigrade
Setting temperature units 123
Central locking
From inside 88
Switch 88
Switching on/off
(control system) 129
Unlocking from inside 88
Central locking switch 88
Changing
Batteries (SmartKey) 290
Key setting 129
Changing CDs 175
Charging
Vehicle battery 308
CHECK ENGINE
malfunction indicator lamp 260
Check gas cap
Message in display 277

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

356 IndexFront seat head restraints
Installing 90
Manual seat 90
Power seat* 91
Removing 90
Front seats
Heater 93
FSS (Flexible Service System) 249, 342
Fuel 234
Additives 334
Cruising range 335
E85 (Ethanol fuel) 335
Fuel reserve warning lamp 262
Gasoline additives 334
Premium
unleaded gasoline 234, 331, 333
Requirements 333
Reserve warning 23
Switching (Flexible fuel vehicle) 334
Technical data 330
Fuel additives 334Fuel consumption statistics
After start 133
Since last reset 133
Fuel filler flap 233
Locking 233
Opening 291
Unlocking 233
Fuel requirements 333
Fuel reserve tank
Message in display 277
Fuel tank
Capacity 331
Filler flap 233
Fuels, coolants, lubricants etc.
Capacities 330
Functions (control system) 110, 113
Resetting 120
Fuse box 317
Fuse chart 317
Fuse extractor 318
Fuses 317Auxiliary fuse box in trunk 318
Fuse box in engine compartment 317
Fuse box in passenger
compartment 317
Fuse chart 317
Fuse extractor 318
G
Garage door opener 27, 214
Gasoline see Fuel 234
Gasoline additives 334
Gear range 342
Automatic transmission 141
Limiting 141
Shifting into optimal 140
Gear range limit
Canceling 140
Gear selector lever 291
Cleaning 255
Position 142
Unlocking manually 291
Global
Locking 83
Unlocking 83

359 Index
Starting the engine 45
Unlocking with 30
Kickdown 145, 343
Kilometers/miles in speedometer 124
Km/h or mph in speedometer 124
L
Labels, identification 322
Lamp bulbs, exterior 293
Lamps
Fog lamps 101
Lamps, exterior
Front 293
Light sensor 278
Messages in display 277, 279–??
Rear 294
Lamps, indicator and warning
ABS 258
Airbag Off 61
Battery (SmartKey) 83
Brakes 259CHECK ENGINE 260
Coolant 271
Engine diagnostics 260, 262
ESP 261
Fuel reserve 262
Instrument cluster 261–262
Seat belts 262
Service indicator 249
SRS 57
Turn signals 23
Language
Multifunction display 124
Setting 124
LATCH child seat mounts 70
Folding back 70
Layout of poly-V-belt drive 323
Leather upholstery
Cleaning 256
License plate lamps
Messages in display 278Replacing bulbs 294, 299
Light alloy wheels
Cleaning 254
Technical data 326
Light sensor 278
Lighter see Cigarette lighter 204
Lighting 98
Automatic headlamp mode 99
Combination switch 102
Daytime running lamp mode 100
Exterior lamp switch 98
Fog lamps 101
Front fog lamp 101
High beam flasher 102
High beams 102
Instrument cluster illumination 105
Interior 103
Locator lighting 100
Low beam 98
Manual headlamp mode 99

360 Index
Night security illumination 100
Parking lamps 98
Rear fog lamp 101
Settings (control system) 125
Trunk 104
Limiting the gear range 141
Limp Home Mode 145
Loading 197
Instructions 199
Roof rack 197
Split rear bench seat 197
Locator lighting 100
Setting 126
Lock button 343
Lock buttons 343
Locking 52, 82
Fuel filler flap 233
Global, SmartKey 83
Vehicle in an emergency 289
Loss of keys 84Loss of Service and Warranty
Information Booklet 321
Low beam headlamps
Messages in display 279
Replacing bulbs 293, 295
Lowering
Vehicle 306
Lubricants
Technical data 330
Luggage cover 197
M
Main dimensions 328
Maintenance 249
Vehicles with E85 fuel 335
Malfunction
Displaying 118
Malfunction memory 117
Calling up 117
Manual headlamp mode 99
Manual operations
Fuel filler flap 291Interior lighting control 103
Locking the vehicle 289
Sliding/pop-up roof 292
Unlocking gear selector lever 291
Unlocking the driver’s door 288
Unlocking the trunk lid 289
Manual seat
Adjusting 33
Adjusting backrest tilt 33
Adjusting head restraint height 34
Adjusting head restraint tilt 34, 36
Adjusting seat cushion tilt 33
Adjusting seat height 33
Front seat head restraints 90
Seat fore and aft adjustment 33
Manual transmission 137
Shifting into reverse 138
Starting with 44
MB Tex upholstery
Cleaning 256