oil viscosity MERCEDES-BENZ C CLASS COUPE 2005 Owners Manual

438 Technical termsControl systemThe 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 ad-
just settings.
Cruise control Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.
Curb weight (
page 323)
DOT (Department o
f Transportation)
(
page 323)
Engine number The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine pro-
duced. Engine oil viscosity
Measurement for the inner friction (vis-
cosity) of the oil at different tempera-
tures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can tol-
erate without becoming viscous, the
better the viscosity.
ESP (E
lectronic S
tability Pr
ogram)
Improves vehicle handling and direc-
tional stability.
ETD (E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem's threshold to tighten the seat
belts.
->SRS FSS (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.
GAWR (G
ross A
xle W
eight R
ating)
(
page 323)
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 le-
ver.

451
Index
Engine oil 292, 428
Adding 294
Additives 428
Checking level 292
Consumption 292
Display messages 363–364
Filler neck 295
Messages in display 293, 363–364
Viscosity 438
Engine oil level see Oil level
ESP 25, 83, 438 Messages in display 355–356
Switching off 84
Switching on 85
Warning lamp 343
ETD 438 Safety guidelines 64
ETD (Emergency tensioning device) 69
Ethanol fuel At the gas station 288
Switching fuels 431
Exterior lamp switch 110
Exterior lamps Delayed shut-off 146
Exterior rear view mirror
Parking position* for 150 Exterior rear view mirrors
Adjusting 42
F
Fahrenheit Setting temperature units 137
Fastening the seat belts 44
Fine adjustment Cruise control 249
First aid kit 373
Flat tire 394 Inflating the spare tire 398
Lowering the vehicle 400
Mounting the spare wheel 394
Preparing the vehicle 394
Spare wheel 375
Tighten wheel bolts 400
Flexible fuel vehicles 431 At the gas station 288
Switching fuels 431
Flexible Service System (Canada vehicles) 330, 438
Fog lamp, rear Message in display 368
Switching on 113 Fog lamps, front
Messages in display 366
Replacing bulbs 385, 386
Switching on 113
Front air bags 65
Front lamps Bi-Xenon* type 388
Halogen-type 386
Messages in display 366–370
Replacing bulbs 385, 386
Switching on 110
Front passenger front air bag off indicator lamp 27, 76, 345
Front seat backrest Folding backrest back 40
Folding backrest forward 39
Front seat head restraints Installing 102 Power seat* 103
Manual seat 102
Power seat* 103
Removing 102 Power seat* 103
Front seats Heating* 106

457
Index
MON 289
MON (Motor Octane Number) 439
Mph or km/h in speedometer 137
Multifunction display 123, 440
Displaying gear range 161
Selecting language 138
Setting date (day) 142
Setting date (month) 141
Setting date (year) 143
Standard display 127
Multifunction display messages ABS 353
BAS 354
Brake fluid 358
Brake pads 358
Coolant 359–361
Cruise control 362
Display 362
Doors 362
Engine oil 363–364
ESP 355–356
Fuel cap 365
Hood 365
Key, SmartKey 365
Lamps, exterior 366–370
Oil 363–364 Panorama roof with power tilt/sliding
panel* 372
Parking brake 358
Restraint system 356
SRS 356
Steering gear oil level 371
Tele Aid* 372
Telephone* 372
Trunk lid 372
Windshield washer fluid 372
Multifunction steering wheel 26, 124, 440Buttons 124
N
Navigation system* Operating 131
See separate COMAND* operating in-structions
Night security illumination 112 Setting 146
Normal occupant weight 324 O
Occupant Classification System see OCS
Occupant distribution 324
Occupant safety 60
Air bags 61
Children and air bags 62
Children in the vehicle 70
Fastening the seat belt 44
Front passenger front air bag off indica-tor lamp 27, 76, 345
Infant and child restraint systems 66, 70
LATCH child seat anchors 78
OCS 73, 440
Seat belts 44, 64
OCS 73, 440 Self-test 77
Odometer, main 25
Oil Adding 294
Consumption 292
Filler neck 295
Viscosity 438
Oil level Checking 290

467
Index
Useful features 254
Ashtrays 257, 258
Cigarette lighter 259
Electrical outlet 260
Storage compartments 254
Tele Aid* 261
Telephone* 260
V
Vehicle Individual settings 133, 136
Locking 27
Locking in an emergency 379
Lowering 400
Performance in cold weather 431
Performance in hot weather 432
Service battery 401
Towing 406
Unlocking 27
Unlocking in an emergency 377
With flexible fuel 431
Vehicle battery 401
Vehicle capacity weight 326 Vehicle care 333
Cup holders 337
Engine cleaning 335
Gear selector lever 337
Hard plastic trim items 337
Headlamps 335
Instrument cluster 337
Leather upholstery 338
Light alloy wheels 336
MB Tex upholstery 338
Ornamental moldings 335
Paintwork 334
Plastic and rubber parts 338
Power washer 334
Seat belts 337
side markers 335
Steering wheel 337
Tail lamps 335
Tar stains 334
Turn signals 335
Upholstery 338
Vehicle washing 335
Window cleaning 336
Wiper blades 336
Wood trims 338 Vehicle jack 374
Vehicle lighting
Checking 290
Vehicle loading terminology 323
Vehicle maximum load on the tire 326
Vehicle status message memory 132
Vehicle tool kit 373 Air pump 373
Alignment bolt 373
Collapsible wheel chock 373
Gloves 373
Spare fuses 373
Special fuse puller 373
Towing eye bolt 373
Vehicle jack 373
Wheel bolts 373
Wheel wrench 373
Vehicle washing 335
VIN (Vehicle Identification Number) 441
Viscosity Engine oil 438
Voice control system* Hands-free microphone 29