Page 307 of 409

306 Practical hintsWhat to do if ...Lamp in center consoleProblem
Possible cause/consequence
Suggested solution
PASSENGER AIRBAG OFF
The front passenger front airbag
off indicator lamp comes on and
remains illuminated.
A BabySmart
TM child seat is installed on the
front passenger seat. Therefore the passen-
ger front airbag is switched off.
The system is malfunctioning when there is
no BabySmart
TM child seat installed on the
front passenger seat.
Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
PASSENGER AIRBAG OFF
The front passenger front airbag
off indicator lamp does not come
on or does not remain illuminat-
ed with a BabySmart
TM child seat
properly installed on the front
passenger seat.
The system is malfunctioning.
Make sure there is nothing between
seat cushion and child seat.
Check installation of the child seat.
If the indicator lamp remains out:
Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
Do not use the BabySmart
TM restraint to
transport children on the front passenger
seat until the system has been repaired.
Page 386 of 409

385 Technical terms
ABS
(A
nti-lock B
raking S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Accessory weight
(
page 281)
ACL
(Airbrake/C
entral L
ocking)
Controls the locking mechanism of the
Airbrake and the central locking sys-
tem.
Air pressure
(
page 281)
Aspect ratio
(page 281)BabySmart
TM airbag 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 airbag when such a
seat is properly installed (PASSENGER
AIRBAG OFF indicator lamp on the low-
er center console illuminates and re-
mains illuminated).
BabySmartTM compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the pas-
senger front airbag if a BabySmart
TM
compatible child seat is installed. See
an authorized Mercedes-Benz Center
for availability.
Bar
(
page 281)BAS
(B
rake As
sist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
Bead
(
page 281)
Bi-Xenon headlamps
Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-Xenon headlamps produce low
beam and high beam.
CAC
(Customer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.
Page 393 of 409

392 IndexAutomatic climate control 182
Adjusting air volume 186
Air conditioning refrigerant 378
Air conditioning, Cooling 192
Air distribution 187
Air recirculation mode 188
Air vents 183
Control panel 184
Deactivating system 191
Defrosting 181, 188
MAXCOOL 187
Residual heat utilization 190
Side air vents 31
Temperature 185
Temperature sensor 33
Automatic headlamp mode 106
Automatic lighting control, Interior
lighting 111Automatic transmission 167
Accelerator position 173
Damage 362
Driving tips 173
Emergency operation (Limp Home
Mode) 178
Gear ranges 170
Gear selector lever 32, 167
Gear selector lever position 167, 171
Gear shifting malfunctions 178
Kickdown 173
Manual gearshift program 176
Manual shifting 168
One-touch gearshifting 168
Shift program mode selector
switch 173
Starting the engine 49
Steering wheel gearshift control 174
Towing 362
Transmission fluid level 249
Automatic transmission fluid 249B
BabySmart
TM
Airbag deactivation system 75, 385
Compatible child seats 385
Self-test 75
Backup lamp 349
Messages in the multifunction
display 332
Bar 281
BAS 81, 385
Batteries, SmartKey
Checking battery condition 99
Replacing 346
Batteries, Vehicle 251
Charging 358
Consumer battery 356
Jump starting 356
Maintenance 356
Messages in the multifunction
display 315
Starter battery 251
Batteries, vehicle
Consumer battery 251
Battery charger 358
Bead 281
Bi-Xenon headlamps 385
Page 401 of 409

400 IndexMultifunction display messages
ABS 309
ACL malfunction 312
Airbrake 315
Battery, Vehicle 315
Brake pads 318
Coolant 323
Cruise control 310
Differential 326
Display 327
Doors 327
Electrohydraulic brake system 319
Engine 328
Engine oil 328
ESP
®
310
Fuel system 329
Hood 329
Lamps 330
Parking brake 322
Reserve fuel 329
Seat belt 334
Service brake 322
SmartKey 329
Telephone 329
Tires 335
Trunk lid 341Washer fluid 341
Multifunction steering wheel 30, 118,
387
Button operation 118
Gearshift control, Automatic
transmission 174
N
Net, parcel 201
New vehicle break-in 230
Night security illumination 108, 134
Normal occupant weight 282
Number, Vehicle Identification
(VIN) 368, 389
O
Occupant distribution 282
Occupant safety
Airbags 63
BabySmart
TM airbag deactivation
system 75
Children and airbags 64
Children in the vehicle 72
Fastening the seat belts 46
Infant and child restraint systems 73
Seat belts 69
Octane number 388Odometer
Main 117
Trip 115
Oil level see Engine oil, Checking level
Oil see Engine oil
One-touch gearshifting, Automatic
transmission 168
Operating safety
Audio system 143
Vehicle 20
Operator’s manual 342
Outside temperature see Displays
Overdue maintenance service 290
Overhead control panel 33
Overspeed range, Engine 115, 388
P
Panic alarm 78
Parcel net in trunk 201
Parking 57, 234
Parking brake 32
Engaging 57
Message in the multifunction
display 322
Releasing 50
Page 402 of 409

401 Index
Parking lamps 105
Message in the multifunction
display 332
Replacing bulbs 348
Parts service 366
PASSENGER AIRBAG OFF
Indicator lamp 75, 306
Passenger compartment 238
Passenger safety see Occupant safety
Pedals 231
Performance enhancement system,
Airbrake 87
Phone see Telephone
Poly-V-belt drive 388
Layout 369
Power assistance 232
Power outlet 203
Power train 388
Power washer 293
Power windows 193
Cleaning 294
Operating 193
Synchronizing 195
Practical hints 296
Premium unleaded gasoline 379Problems
While driving 56
With the vehicle 21
Product information 13
Production options weight 282
Program mode selector switch, Automatic
transmission 173, 388
PSI 283
Push starting 356
R
Radio
Operation 149
Selecting stations 123
Radio transmitters 238
Range (distance to empty) 139
Reading lamp 112
Rear fog lamp see Fog lamps
Rear lamps see Tail lamps
Rear view mirrors see Mirrors
Rear window defroster 181
Recommended tire inflation
pressure 283
Recovery services, Stolen vehicle
(Tele Aid) 215
Redial memory 142
Refrigerant, Air conditioning 378Refueling 241
Regular checks 242
Remote control, SmartKey 96
Remote door unlock, Tele Aid 215
Replacing bulbs 348
Reporting safety defects 22
Research Octane Number see RON
Reset button, in Instrument cluster 113,
289
Residual heat utilization 190
Restraint systems 62
Airbags 62, 63
Children in the vehicle 72
Emergency Tensioning Device
(ETD) 62, 72
Seat belts 62, 69
Rims 283, 371
Roadside Assistance 16, 211
RON 241, 388
Roof rack 227
S
Safety
Driving safety systems 79
Occupant 62
Reporting defects 22
Safety belts see Seat belts
Page 403 of 409

402 IndexSeat belt force limiter 72
Seat belts 62
Children in the vehicle 72
Fastening seat belts 46
Message in the multifunction
display 334
Proper use of 48
Safety guidelines 67
Telltale 69, 304
Seating capacity 259
Seats 42
Selector lever see Gear selector lever
Self-test
BabySmart
TM airbag deactivation
system 75
Lamps in the instrument cluster 298
Tele Aid 209
Service and warranty information 14
Service intervals see Service indicator
Service life
Tires 255
Vehicle batteries 251
Service see Maintenance
Service, Parts 366Settings
Control system menus 120
Control system submenus 121
Factory, SmartKey 98
Individual, Vehicle 126
Menus and submenus 119
Resetting all, Control system 126
Selective, SmartKey 98
Time 131
Shift program mode selector switch, Auto-
matic transmission 173
Shifting, Automatic transmission 167
Side air vents 31
Side marker lamps
Messages in the multifunction
display 332
Replacing bulbs 349
Side windows see Power windows
Sidewall 283
SmartKey see Key, SmartKey
Snow chains 288
Snow tires* 287
Spare fuses 363
Spare parts service 366
Speed setting
Cruise control 199Speedometer 29
SRS 62, 389
Indicator lamp 29, 304
Messages in the multifunction
display 312
Standing lamps 105
Standing water, Driving trough 238
Start button 49
Starter battery 251, 356
Starter switch 27, 40
Starting difficulties, Engine 50
Starting the engine 49
Steering wheel 43
Buttons 30
Steering wheel gearshift control
Automatic transmission 174
Indicator lamp 303
Stolen Vehicle Recovery services 215
Storage compartments 200
Armrest 200
Center 201
Map pocket, Passenger footwell 200
Parcel net in trunk 201
Rear 201
Storing tires 256
Submenus see Control system submenus
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