2005 MERCEDES-BENZ C320 engine oil

400 Technical termsCOMAND*
(C
ockpit M
anagement and D
ata
System)
Information and operating center for
vehicle sound and communications
systems, including the radio and the
navigation system, as well as other
optional equipment (CD changer*,
telephone*, etc.).
Control system
The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to
adjust settings.
Cruise control
Driving convenience system that
automatically maintains the vehicle
speed set by the driver.Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine
produced.
Engine oil viscosity
Measurement for the inner friction
(viscosity) of the oil at different temper-
atures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can
tolerate without becoming viscous, the
better the viscosity.
ESP
(E
lectronic S
tability P
rogram)
Improves vehicle handling and
directional stability.
ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the
system's threshold to tighten the
seat belts.
->SRSFSS (Canada vehicles)
(F
lexible S
ervice S
ystem)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. FSS evaluates
engine temperature, oil level, vehicle
speed, engine speed, distance driven
and the time elapsed since your last
maintenance service, and calls for the
next maintenance service accordingly.
Gear range
Number of gears which are available to
the automatic transmission for shifting.
The automatic gear shifting process
can be adapted to specific operating
conditions using the gear selector
lever.
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special
receivers. Employs CD digital maps for
navigation.

405 Index
A
ABS 77, 399
ABS control 77
Indicator lamp 25
Malfunction indicator lamp 302
Messages in display 310
Accelerator position,
automatic transmission* 163
Accident
In case of 53
Activating
Air conditioning (cooling) 181
Air recirculation mode 179
Anti-theft alarm system* 84
Central locking (control system) 145
Climate control 175
Climate control system 177
Defrosting 178
Easy-entry/exit feature* 146
Electric air pump 358
ESP 81Exterior headlamps 49
Exterior lamps 110
Exterior rear view mirror
parking position* 170
Hazard warning flasher 114
Headlamps 49
High beam headlamps 50
High beams 113
Ignition 33
Immobilizer 56, 83
Low beam headlamps 49
Manual shift program
(C 55 AMG only) 166
Rear window defroster 173
Seat heating* 105
Tow-away alarm* 85
Windshield wipers 51
Adding
Coolant 283
Engine oil 281
Additional turn signals 345
Adjustable air vents,
rear passenger compartment 182Adjusting 35
Air distribution 178
Air volume 178
Backrest contour 104
Backrest side bolsters 104
Backrest tilt, manual seat 36
Backrest tilt, power seat* 38
Exterior rear view mirrors 41
Folding back rear seat
head restraints, electrical 102
Folding back rear seat
head restraints, manual 102
Head restraint height,
manual seat 37
Head restraint height,
power seat* 38
Head restraint height, rear seats 101
Head restraint tilt, manual seat 37
Head restraint tilt, power seat* 39
Head restraint tilt, rear seats 103
Instrument cluster illumination 117
Interior rear view mirror 41
Manual seat 36
Mirrors 41

410 IndexCharging
Vehicle battery 361
Checking
Brake fluid 277
Coolant level 277, 283
Engine oil level 277, 280
Tire inflation pressure 277
Vehicle lighting 277
Washer reservoir level 277
Child safety 67
Air bags 60
Infant and child restraint
systems 64, 67
LATCH-type child seat anchors 73
Child safety switch see
Blocking of rear door window operation
Child seat anchors see
LATCH-type child seat anchors
Cigarette lighter 246
Cleaning
Cloth upholstery 300
Cup holders 299
Gear selector lever 299Hard plastic trim items 299
Headlamps 168
Headliner and shelf below
rear window 299
Instrument cluster 298
Leather upholstery 299
Light alloy wheels 298
MB Tex upholstery 300
Plastic and rubber parts 300
Seat belts 299
Steering wheel 299
Upholstery 299
Windows 298
Windshield 52
Wiper blades 298
Wood trims 300
Climate control 174
Clock 25, 121, 137, 138
Closing
Cup holder, in rear seat armrest 245
Glove box 241
Hood 279Tilt/sliding sunroof* 227
Tilt/sliding sunroof*
in an emergency 341
Tilt/sliding sunroof*
with SmartKey 229
Trunk lid 94
Windows 223, 224
Windows with SmartKey 225
Cloth upholstery
Cleaning 300
Cockpit 22, 399
Cockpit Management and
Data System see COMAND*
Collapsible tire 383
Collapsible tire (C 55 AMG only) 334
Collapsible wheel chock 332
COMAND* 400
COMAND* see separate
operating instructions
Combination switch 113
High beam flasher 50
Turn signals 50
Windshield wipers 51

414 Index
Releasing trunk lid from inside 95
Remote door unlock 255
Unlocking the vehicle 337
Emergency Tensioning Device see ETD
Emission control 273
Emission control information label 376
Ending
A call (telephone*) 152
Engine
Compartment 278
Starting with automatic
transmission* 47
Starting with manual
transmission 46
Starting with the SmartKey,
automatic transmission* 47
Starting with the SmartKey,
manual transmission 46
Technical data 378
Turning off with the SmartKey 56
Engine cleaning 297Engine compartment 278
Fuse box in 370
Hood 278
Engine malfunction
indicator lamp 25, 304
Engine number 376, 400
Engine oil 279
Adding 281
Additives 390
Checking level 277, 280
Consumption 279
Display messages 280, 320–321
Filler neck,
C 230 Kompressor
(all models) 282
Filler neck,
C 240 (all models),
C 320 (all models),
C 55 AMG 282
Messages in display 280, 320–321
Viscosity 400Engine oil level
Checking 277, 280
Engine oils 390
ESP 79, 400
Four wheel electronic traction
system with ESP 82
Messages in display 312–313
Switching off 80
Switching on 81
Warning lamp 25, 306
ETD 67, 400
Safety guidelines 62
Ethanol fuel
At the gas station 275
Requirements 392
Switching fuels 393
Exterior lamp switch 49, 109
Exterior lamps
Delayed shut-off 143
Exterior rear view mirrors
Adjusting 41
Parking position* for 148

422 Index
Automatic antiglare*
for rear view mirror 169
Exterior rear view mirror 41
Exterior rear view mirror
parking position* 148
Interior rear view mirror 41
Storing exterior rear view mirror
parking position* 108
MON 276, 401
Motor Octane Number see MON
Mph or km/h in speedometer 135
Multicontour seats* 104
Multifunction display 121, 401
Displaying gear range 159
Selecting language 136
Setting date (day) 140
Setting date (month) 139
Setting date (year) 141
Multifunction display messages
ABS 310
BAS 311
Brake fluid 315
Brake pads 315Coolant 316–318
Cruise control 319
Display 319
Doors 319
Engine oil 320–321
ESP 312–313
Fuel cap 305, 322
Hood 322
Key, SmartKey 322
Lamps, exterior 323–326
Oil 320–321
Parking brake 315
Restraint system 313
Seat belt system 327
SRS 313
Steering gear oil level 327
Tele Aid* 328
Telephone* 328
Tilt/sliding sunroof* 328
Trunk lid 328
Windshield washer fluid 328
Multifunction steering
wheel 26, 122, 401
Buttons 122N
Navigation system*
Operating 130
See separate COMAND*
operating instructions
Night security illumination 112
Setting 143
O
Occupant safety 58
Air bags 59
Children and air bags 60
Children in the vehicle 67
Fastening the seat belt 43
Infant and child restraint systems 67
LATCH-type child seat anchors 73
Seat belts 43, 62
Odometer, main 121
Oil
Adding 281
Oil level see Engine oil level
Oil see Engine oil

429 Index
Ski sack* (Canada only) 234
Installing 237
Removing 237
Unfolding and loading 234
Unloading and folding 236
Sliding in
Swiveling cup holder,
in front of seat armrest 244
Sliding out
Swiveling cup holder,
in front of seat armrest 243
SmartKey 88
Changing batteries 343
Locking and unlocking 88
Opening and closing the
tilt/sliding sunroof* with 229
Opening and closing the
windows with 225
Unlocking with 32
Snow chains 291
Soft keys
Audio system 186
Sound system* 188Spare fuses 369
Spare wheel 383
Bolts 336
Mounting 353
Speed
Setting current 232
Speed settings
Cruise control 233
Speedometer 25
Settings units 135
Speedometer display mode
Selecting 135
Split rear bench seat* 237
SRS 66, 402
Indicator lamp 25, 307
Message in display 313
Standing lamps, front
Replacing bulbs 345
Standing lamps, rear
Replacing bulbs 345
Standing water
Driving instructions 271
Starter switch 23, 33
Positions 33Starting difficulties 47
Starting position 33
Starting the engine 46
Station (satellite radio)
selecting 198
Steering column
Height adjustment, electrical* 41
Height adjustment, manual 40
Length adjustment, electrical* 41
Length adjustment, manual 40
Steering gear oil
Message in display 327
Steering wheel
Adjusting 39
Buttons 26
Cleaning 299
Electrical adjustment* 40
Manual adjustment 40
Steering wheel gearshift control
(C 55 AMG only)
Automatic transmission* 164
Stolen vehicle
Recovery services 256

431 Index
Technical data
Air conditioning refrigerant 390
Brake fluid 390
Coolant 387, 388
Coolants 394
Electrical system 384
Engine 378
Engine oil additives 390
Engine oils 390
Flexible fuel vehicles 392
Fuel requirements 391
Fuels 387, 388
Gasoline additives 392
Lubricants 387
Main dimensions 385
Premium unleaded gasoline 391
Rims and tires 380
Weights 386
Windshield washer 389
Windshield washer and headlamp
cleaning* system 389, 396Tele Aid* 248
Emergency calls 250
Hands-free microphone 29
Information 253
Initiating an emergency
call manually 251
Message in display 328
Remote door unlock 255
Roadside Assistance 252
SOS button 251
Stolen Vehicle Recovery
services 256
System self-check 249
Tele Aid System 249, 403
Upgrade scenario 254
Telematics* 403
Telephone* 26, 247
Answering a call 151
Dialing a number from
the phone book 152
Ending a call 152
Hands-free microphone 29Loading phone book 152
Message in display 328
Operation 150, 208
Redialing 153
Temperature
Display mode 135
Grades of tires 398
Setting interior temperature 177
Setting units in display 135
Tires 288
Tie-down rings* (Trunk) 240
Tightening torque
(Wheel bolts) 359, 403
Tilt
Head restraint, manual seat 37
Head restraint, power seat* 39
Tilt/sliding sunroof*
Closing 227, 341
Closing with SmartKey 229
Messages in display 328
Opening 227, 341
Opening with SmartKey 229
Stopping 229
Synchronizing 230