2004 MERCEDES-BENZ C320 COUPE adding oil

238 OperationEngine compartmentChecking engine oil level with the
control system
When checking the oil level the vehicle
must

be parked on level ground


be at normal operating temperature


have been stationary for at least five
minutes with the engine turned off
To check the engine oil level via the
multifunction display, do the following:

Turn the SmartKey in the starter switch
to position2.
The standard display (
page 109) should
appear in the multifunction display.

Press buttonk orj on the
steering wheel until the following
message is seen in the multifunction
display:ENGINE OIL LEVEL
MEASURING NOW
MEASURE. CORRECT
ONLY IF VEH. LEVEL
One of the following messages will
subsequently appear in the indicator:

ENGINE OIL LEVEL
OK


ADD 1.0 Qt. TO
REACH MAX. OIL LEVEL!(Canada:
1.0 LITER
)


ADD 1.5 Qts. TO
REACH MAX. OIL LEVEL!(Canada:
1.5 LITERS
)


ADD 2.0 Qts. TO
REACH MAX. OIL LEVEL!(Canada:
2.0 LITERS
)

If necessary, add engine oil.
For adding engine oil, see (
page 239).
For more information on engine oil, see
“Technical data” section (
page 330).
Other display messages
If the SmartKey is not turned to position2
in the starter switch, the following
message will appear:
FOR ENGINE OIL LEVEL
SWITCH ON IGNITION!
Switch on the ignition.iIf you want to interrupt the checking
procedure, press thek orj
button on the multifunction steering
wheel.

239 Operation
Engine compartment
If you see the message:OBSERVE WAITING PERIOD
If engine is at normal operating
temperature, wait five minutes before
repeating check procedure.

If engine is not yet at normal operating
temperature, wait 30 minutes before
repeating check procedure.
If you see the message:
ENGINE OIL LEVEL
NOT WHEN ENGINE ON!
Turn off the engine.

If the engine is at normal operating
temperature, wait five minutes before
checking oil.

If the engine is not yet at normal
operating temperature, you must wait
30 minutes before checking oil.If there is excess engine oil with the engine
at normal operating temperature, the
following message will appear:
ENGINE OIL LEVEL
REDUCE OIL LEVEL
Have excess oil siphoned or drained
off. Contact your authorized
Mercedes-Benz Center.
For more information on messages in the
display concerning engine oil, see “Practi-
cal hints” (
page 275).Adding engine oil
!Excess oil must be siphoned or drained
off. It could cause damage to the
engine and catalytic converter not
covered by the Mercedes-Benz Limited
Warranty.
!Only use approved engine oils. For a
listing of approved engine oils, refer to
the Factory Approved Service Products
pamphlet in your vehicle literature port-
folio.
In addition, check the oil filler cap for
important information pertaining to the
engine oil needing to meet a specific
Mercedes-Benz specification (e.g. MB
229.5). If such information is printed
on the oil filler cap, only use an engine
oil from the list of approved engine oils
in the Factory Approved Service Prod-
ucts pamphlet that meets the specifi-
cation indicated on the oil filler cap.
Using engine oils of other specification
may cause the FSS to incorrectly deter-
mine the next service interval and will
r e s u l t i n e n g i n e d a m a g e n o t c o v e r e d b y
the Mercedes-Benz Limited Warranty.

240 OperationEngine compartmentC 230 Kompressor1Oil filler cap
Unscrew oil filler cap1 from filler
neck.

Add engine oil as required. Be careful
not to overfill with oil.
Be careful not to spill any oil when adding.
Avoid environmental damage caused by oil
entering the ground or water.

Screw oil filler cap1 back on filler
neck.
C 3201Oil filler cap
Unscrew oil filler cap1 from filler
neck.

Add engine oil as required. Be careful
not to overfill with oil.
Be careful not to spill any oil when adding.
Avoid environmental damage caused by oil
entering the ground or water.

Screw oil filler cap1 back on filler
neck.
For more information on engine oil, see
“Technical data” section (
page 330).
!Excess oil must be siphoned or drained
off. It could cause damage to the
engine and catalytic converter not
covered by the Mercedes-Benz Limited
Warranty.
!Excess oil must be siphoned or drained
off. It could cause damage to the
engine and catalytic converter 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

354 Index
Safety systems 73
Through standing water 229
Driving abroad 230
Driving instructions 223
Driving off 225
Driving safety systems
ABS 73
BAS 74
ESP 75
Driving systems 194
Cruise control 194
Driving safety systems 73
E
Easy-entry/exit feature 89
Activating 130
Interrupting movement 89, 130
Electrical fuses 317
Electrical system
Technical data 327
Electronic Stability Program
see ESP 23, 75, 342Emergency call system* 206
Emergency calls
Initiating an emergency call 209
Telephone* 184
With Tele Aid* 208
Emergency operation
(Limp Home Mode) 145
Emergency operations
Closing sliding/pop-up roof 292
Locking the vehicle 289
Opening sliding/pop-up roof 292
Remote door unlock 213
Unlocking the vehicle 288
Emergency release
Trunk lid 86
Emergency tensioning device
see ETD 64, 342
Emission control 231
Emission control label 322
Ending
A call (telephone) 135Engine
Compartment 236
Message in display 260
Starting with
automatic transmission 45
Starting with manual
transmission 44
Starting with the key 45
Technical data 324
Turning off with the key 53
Engine cleaning 253
Engine compartment 236
Fuse box in 317
Hood 236
Engine malfunction
indicator lamp 23, 260
Engine number 342
Engine oil 237, 332
Adding 239
Additives 332
Checking level 237
Consumption 237
Display messages 275
Filler neck 240

362 Index
Washer fluid 283
Multifunction steering wheel 24, 110, 343
Buttons 110
N
Navigation system
Operating 117
See separate COMAND* operating in-
structions
Night security illumination 100
Setting 127
O
Occupant safety 56
Airbags 57
Children and airbags 58
Children in the vehicle 65
Fastening the seat belt 41
Infant and child restraint systems 65
LATCH child seat mounts 70
Seat belts 41, 60
Odometer, main 23Oil
Adding 239
Consumption 237
Dipstick 237
Filler neck 240
Viscosity 342
Oil level
Checking 235
One-touch gearshifting 140
Canceling gear range limit 140
Downshifting 140
Upshifting 140
Opening
Ashtray 203
Doors from the inside 85
Fuel filler flap 233
Fuel filler flap manually 291
Glove box 200
Hood 236
power window with SmartKey 188
Roller sunblind for the
sliding/pop-up roof 189Side windows 187
Sliding/pop-up roof 190, 292
Sliding/pop-up roof in an
emergency 292
Sliding/pop-up roof with
SmartKey 192
Trunk 85
Windows 186, 187
Windows with SmartKey 188
Operating
Audio system 159
Cassette player 116
CD player 116
COMAND* see separate operating in-
structions
Navigation system 117
Radio 115
Radio transmitters 230
Telephone* 134, 159, 179
Operating safety
Audio system 159
Operator’s Manual 10
Ornamental moldings 253