Page 313 of 473

312 OperationTires and wheelsTire and loading terminology
Accessory weight
The combined weight (in excess of those
standard items which may be replaced) of
automatic transmission, power steering,
power brakes, power windows, power
seats, radio, and heater, to the extent that
these items are available as
factory-installed equipment (whether
installed or not).
Air pressure
The amount of air inside the tire pressing
outward on each square inch of the tire.
Air pressure is expressed in pounds per
square inch (psi), or kilopascal (kPa) or
bars.
Aspect ratio
Dimensional relationship between tire
section height and section width
expressed in percentage.Bar
Another metric unit for air pressure. There
are 14.5038 pounds per square inch (psi)
to 1 bar; there are 100 kilopascals (kPa)
to 1 bar.
Bead
The tire bead contains steel wires wrapped
by steel cords that hold the tire onto the
rim.
Cold tire inflation pressure
Tire inflation pressure when your vehicle
has been sitting for at least 3 hours or driv-
en no more than 1 mile (1.6 km).
Curb weight
The weight of a motor vehicle with stan-
dard equipment including the maximum
capacity of fuel, oil, and coolant, and, if so
equipped, air conditioning and additional
optional equipment, but without passen-
gers and cargo.DOT (D
epartment o
f T
ransportation)
A tire branding symbol which denotes the
tire meets requirements of the
U.S. Department of Transportation.
GAWR (G
ross A
xle W
eight R
ating)
The GAWR is the maximum permissible
axle weight. The gross vehicle weight on
each axle must never exceed the GAWR for
the front and rear axle indicated on the
certification label located on the driver’s
door B-pillar.
GVW (G
ross V
ehicle W
eight)
The GVW comprises the weight of the
vehicle including fuel, tools, spare wheel,
installed accessories, passengers and
cargo and, if applicable, trailer tongue
load. The GVW must never exceed the
GVWR indicated on the certification label
located on the driver’s door B-pillar.
Page 454 of 473

453 Index
A
ABC 225
Messages in display 349
Oil level 279
ABS 87
Indicator lamp 29, 334
Messages in the multifunction
display 351, 352
Warning lamp 27, 332
Accelerator position, automatic
transmission 171
Accessory weight 312
Accident 59
Active Body Control see ABC
Air bags 68
Children in the vehicle 83
Front 71
Front passenger front air bag off
indicator lamp 76
Head-thorax 72
Knee bag 72
Occupant Classification System
(OCS) 72
Passenger 72
Air conditioning system see Automatic cli-
mate control systemAir distribution 188, 189
Air pressure 312
Tire inflation pressure 291
Air pump 410
Air recirculation mode 191
Air vents 185
Air volume 188, 190
Alarm system see Anti-theft systems
Alignment bolt (vehicle tool kit) 409
Anticorrosion/antifreeze 445, 451
Antiglare, Interior rear view mirror 180
Antilock Brake System see ABS
Anti-theft systems
Anti-theft alarm system 96
Immobilizer 96
Tow-away alarm 98
Aquaplaning see Hydroplaning
Armrest 234
Ashtray 31, 239
Aspect ratio 312
ATF 279
Auto-dimming, Rear view mirrors 180
Automatic central locking 119
Control system 162Automatic climate control system 184
Air conditioning, Cooling 193
Air conditioning refrigerant 446
Air distribution 188, 189
Air recirculation mode 191
Air vents 185
Air volume 188, 190
Control panel 185
Deactivating system 187
Defrosting 183, 190
Residual heat utilization 194
Temperature 188
Temperature sensor 33
Ventilated glove box 195
Automatic lighting control, Interior
lighting 135
Automatic locking when driving 119
Automatic shift program 173
Automatic transmission 168
Accelerator position 171
Comfort program mode 173
Emergency operation
(Limp-Home Mode) 179
Gear ranges 172
Gear selector lever 32, 168
Gear selector lever position 168, 170
Page 459 of 473

458 IndexF
Filler neck, Engine oil 278, 279
First aid kit 388
Flat tire 405
Preparing the vehicle 405
Spare wheel 388, 405
Flexible Service System see FSS
Fluids
Automatic climate control
system 444
Automatic transmission 279, 444
Brake system 272, 444, 447
Capacities 444
Engine coolant 280, 444, 449
Engine oil 275, 444, 446
Power steering 444
Retractable hardtop, Hydraulics 444
Windshield washer and headlamp
cleaning system 444
Fog lamps 131
Messages in the multifunction
display 380, 382
Replacing bulbs 398
Front air bags 71
Front lamps see HeadlampsFront passenger front air bag
Messages in the multifunction
display 356–359
Front passenger front air bag off indicator
lamp 76, 345
FSS (Canada only) 319
Fuel 271
Additives 448
Capacity, Fuel tank 444
Consumption statistics 163
Filler flap 271
Fuel reserve warning lamp 29, 339
Gasoline additives 448
Gauge 29
Premium unleaded gasoline 272,
445, 447
Refueling 271
Requirements 448
Fuel filler flap
Opening 271
Fuels, coolants, lubricants etc.
Capacities 444
Functions (control system) 141
Fuse chart see Vehicle tool kit
Fuses 424G
Garage door opener 251
Gasoline see Fuel
GAWR 312
Gear range
Automatic transmission 172
Canceling limit 175
Indicator 29
Limiting 172
Shifting into optimal 175
Gear selector lever 32, 168
Cleaning 328
Lock 52
Position 168, 170
Global locking/unlocking see Key
Glove box 233
Good visibility 180
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GVW 312
GVWR 313
Page 463 of 473

462 IndexMinimum distance (Parktronic*) 230
Mirrors 47, 180
Adjusting interior rear view mirror 48
Exterior rear view mirrors 48
Misfiring 59
MOE tires* see MOExtended system*
MOExtended system* 301, 413
MOExtended tires* 439
MON 272
Mph or km/h in speedometer 156
Multifunction display 139
Displaying gear range 173
Left display field 27
Right display field 29
Selecting language 156
Standard display 139
Multifunction display messages
ABC 349
ABS 351, 352
Battery 366
Brake pads 366
Brake system 370
CHECK ENGINE 374
Coolant 371
Coolant level 373
Display malfunction 374Doors 374
Easy-entry/exit feature 375
Electro-hydraulic brake system 367,
368
Front passenger front air bag 358
Hood 377
Luggage cover 387
Restraint systems 361
Roll bar 384
SmartKey 378
SmartKey with KEYLESS-GO* 379
SRS 361
Tele Aid 384
Telephone* 384
Tires 385
Trunk 387
Washer fluid 387
Multifunction steering wheel 30, 140
Buttons 140
N
Navigation system
Operating 151
Night security illumination 160
Normal occupant weight 313O
Occupant Classification System see OCS
Occupant distribution 313
Occupant safety
Front passenger front air bag off
indicator lamp 76
OCS 72
SRS 66
OCS 72
Self-test 76
Odometer, main 27
Oil
Adding 278
Consumption 275
Oil dipstick 278
Oil see Engine oil
One-touch gearshifting 174
Canceling gear range limit 175
Downshifting 174
Upshifting 175
Ornamental moldings 325
Overdue maintenance service 320
Overhead control panel 33
Overspeed range 138