Page 444 of 481

443 Technical terms
ABC
(A
ctive B
ody C
ontrol)
Active, computer-controlled system
that hydraulically adjusts the suspen-
sion at all four wheels in response to
various driving situations.
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Accessory weight
(
page 323)
ADS
(Adaptive D
amping S
ystem)
Automatically adapts the optimum sus-
pension damping to prevailing driving
conditions.Airmatic
Automatically selects the optimum sus-
pension tuning and ride height for your
vehicle. Airmatic consists of two com-
ponents:
Adaptive Damping System
Vehicle level control
Air pressure
(
page 323)
Alignment bolt
Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.
Aspect ratio
(page 323)BabySmart
TM1
air bag deactivation
system
This system detects if a special system
compatible child restraint seat is in-
stalled on the front passenger seat. The
system will automatically deactivate
the passenger front air bag when such
a seat is properly installed
(the58indicator lamp in the
center console comes on).
BabySmart
TM
compatible child seats
Special restraint system for children.
The sensor system for the front pas-
senger seat prevents deployment of
the passenger front air bag if a
BabySmartTM compatible child seat is
installed. See an authorized
Mercedes-Benz Center for availability.
Bar
(
page 323)
1BabySmart
TM is a trademark of Siemens Automo-
tive Corp.
Page 453 of 481

452 IndexADS 229, 443
Air bag off indicator lamp 348
Air bags 61
BabySmart
TM air bag deactivation
system 73, 443
Children 62
Front 65
Passenger 65
Safety guidelines 64
Side impact 66
Window curtain 66
Air conditioning
Turning off 202
Turning on 202
Air pressure 323
Air pressure see Tire inflation pressure
Air recirculation mode 198
Activating 198
Deactivating 199
Air vents, rear passenger compartment
Adjustable 204
Air volume
Adjusting 197
AIRMATIC 229
Airmatic 229, 443
Messages in display 358Alarm
Audible 78, 87, 89
Canceling 87, 89
Visual 86
Alarm system
Anti-theft 86
Anti-theft alarm system indicator
lamp 27
Alignment bolt (vehicle tool kit) 385,
406, 443
Antiglare
Automatic 186
Antilock brake system (ABS) 443
Antilock Brake System see ABS 25
Anti-theft alarm system
Arming 86
Canceling alarm 87
Disarming 87
Anti-theft systems 85
Anti-theft alarm system 86
Anti-theft alarm system indicator
lamp 27
Immobilizer 85
Tow-away alarm 88
Aquaplaning see Hydroplaning 277Armrest
Storage compartment in front of 243,
244, 245, 246
Ashtray 249
Aspect ratio 323
At the gas station 284
ATF (Automatic Transmission Fluid) 293
AUDIO menu 148
Selecting CD track 150
Selecting MP3-CD track 150
Selecting radio station 149
Selecting satellite radio* station (USA
only) 149
Audio system
CD mode 151
Auto-dimming for rear view mirror 186
Automatic central locking
Activating/deactivating (control
system) 168
Automatic climate control 192
Air recirculation mode 198
Defrosting 197
Rear window defroster 201
Setting the temperature 195
Setting the temperature in the rear
passenger compartment 206
Page 459 of 481

458 IndexDriving
Abroad 281
General instructions 43, 273
Hydroplaning 277
In winter 279
Problems 54
Safety systems 79
Through standing water 280
With Distronic* 227
Driving abroad 281
Driving instructions 273
Driving off 276
Driving safety systems
4MATIC 84
ABS 79
BAS 80
ESP
®
81
Driving systems 215
ABC 232
AIRMATIC 229
Airmatic 229
Cruise control 215
Distronic* 218
Driving safety systems 79
Parktronic system* 235
Vehicle level control 230, 233E
Easy-entry/exit feature 114
Activating 170
Electrical fuses 416
Electrical system 432
Electronic Stability Program see
ESP
®
81, 445
Emergency call system 254
Emergency calls
Initiating an emergency call 256
With Tele Aid 255
Emergency operation (Limp Home
Mode) 185
Emergency operations
Closing the power tilt/sliding
sunroof 391
Locking the vehicle 389
Opening the power tilt/sliding
sunroof 391
Remote door unlock 261
Unlocking the vehicle 388
Emergency tensioning device see
ETD 69, 445
Emission control 282
Emission control information label 422Ending
A call (telephone) 154
Engine
Cleaning 334
Compartment 287
Data 424
Message in display 342, 343
Starting 46
Starting with KEYLESS-GO* 47
Starting with the SmartKey 46
Turning off with the SmartKey or the
SmartKey with KEYLESS-GO* 57
Engine compartment 287
Fuse box in 418
Hood 287
Engine malfunction indicator lamp 342,
343
Engine number 422, 445
Engine oil 288
Adding 292
Additives 437
Checking level 288
Consumption 288
Display messages 366
Filler neck 291, 292, 293
Messages in display 290, 366
Page 466 of 481

465 Index
Mph or km/h in speedometer 163
Multicontour backrest* 122
Multifunction display 143, 447
Selecting language 164
Standard display 147
Multifunction display messages
ABC 351
ABS 353
Airmatic 358
Brake fluid 361
Brake pads 361
Check engine 342, 343
Coolant 363
Coolant level 362
Distronic* 354
Doors 365
Engine 342, 343
Engine oil level 366
Entry position 368
Hood 368Lamps 371
Parking brake 360
Selector lever 357
SmartKey 368
SmartKey with KEYLESS-GO* 368
TeleAid 374
Telephone* 374
Tires 376–383
Trunk 375
Washer fluid 375
Multifunction steering wheel 26, 144,
447
Buttons 144
N
Navigation system
Operating 155
See separate COMAND* operating in-
structions
Night security illumination 133
Normal occupant weight 324O
Occupant distribution 324
Occupant safety 60
Air bags 61
Children and air bags 62
Children in the vehicle 71
Fastening the seat belt 43
Infant and child restraint systems 71
LATCH child seat anchors 75
Seat belts 43, 64
Oil
Adding 292
Consumption 288
Dipstick 288
Filler neck 291, 292, 293
Viscosity 445
Oil level
Checking 286
Oil level via control system
Checking 289