Page 341 of 376

341 Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up 
during braking so that the vehicle can 
continue to be steered.
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.
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 (indicator 
lamp PASS. AIRBAG OFF in the center 
console comes on). See your autho-
rized Mercedes-Benz Center for avail-
ability.BabySmart
TM 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.
BAS
(B
rake A
ssist 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.
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
(C
ustomer 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.
CAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or 
windshield wiping.
Cockpit
All instruments, switches, buttons and 
indicator/warning lamps in the passen-
ger compartment needed for vehicle 
operation and monitoring. 
         
        
        
     
        
        Page 342 of 376

342 Technical termsCollapsible tire
An especially compact spare tire that 
must be inflated with a provided air 
pump before using. It should only be 
used to bring the vehicle to the nearest 
service station.
COMAND*
(C
ockpit M
anagement and D
ata Sys-
tem)
Information and operating center for 
vehicle sound and communications 
systems, including the radio and navi-
gation 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 ad-
just settings.Cruise control
Driving convenience system for auto-
matically maintaining 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 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
(F
lexible S
ervice S
ystem)
Service indicator in the multifunction 
display that informs the driver when 
the next vehicle maintenance service is 
due.
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. 
         
        
        
     
        
        Page 350 of 376

350 Index
Warning lamp 259
Break-in period 222
Bulbs, replacing 293
Additional turn signals 293
Brake lamps 294
Fog lamps 293
Front lamps 293
High beam 293
High mounted brake lamp 294
License plate lamps 294, 299
Low beam 293
Parking lamps 293, 294, 296, 297
Rear fog lamp 294
Rear fog lamps 298
Side marker lamps 294, 298
Standing lamps 293, 294, 296, 297
Tail lamp assemblies 294, 298
Turn signal lamps 293, 294
Button
Audio system 162C
CAC (Customer Assistance Center) 341
Calling up
Range (distance to empty) 134
Service indicator 250
CAN system 341
Capacities
Fuels, coolants, lubricants, etc. 330
Cargo compartment
Lighting 104
Cassette operation
Playing cassettes 172
Cassette player
Operating 116
Catalytic converter 231
CD changer* 175
CD operation 175
CD player
Operating 116
Center console 25Lower part 26
PASS.AIRBAG OFF indicator 
lamp 263
Upper part 25
Centigrade
Setting temperature units 123
Central locking
From inside 88
Switch 88
Switching on/off 
(control system) 129
Unlocking from inside 88
Central locking switch 88
Changing
Batteries (SmartKey) 290
Key setting 129
Changing CDs 175
Charging
Vehicle battery 308
CHECK ENGINE 
malfunction indicator lamp 260
Check gas cap
Message in display 277 
         
        
        
     
        
        Page 353 of 376

353 Index
Exterior lamps 99
Exterior lamps delayed shut-off 127
Front fog lamps 127
Hazard warning flasher 102
Headlamps 53
Immobilizer 78
Interior lighting delayed shut-off 128
Rear window defroster 149
Seat heater 94
Tow-away alarm 80
Deep water see Standing water 229
Defogging
Windshield 153
Defrosting 154
Delayed shut-off
Exterior lamps 127
Interior lighting 128
Dialing
A number (telephone) 136
Difficulties
While driving 
see Problems while driving 50
With starting 46Digital speedometer 114
Direction of rotation (tires) 245
Discharged battery
Jump starting 310
Disconnecting
Vehicle battery 308
Display
Selecting 125
Display elements
Audio system 160
Displays
Digital speedometer 114
Messages 238, 264
Selecting 125
Service indicator 249
Showing malfunctions 118
Symbol messages 268
Text messages 265Distance to empty (range)
Calling up 132
Door control panel 28
Door handle 28
Door unlock
With Tele Aid* 213
Doors
Message in display 274
Opening from inside vehicle 85
Opening from outside 83
Downhill driving
Cruise control 195
Downshifting 138, 140
Drink holder see Cup holder 201
Drinking and driving 223
Driving
Aquaplaning 227
General instructions 41, 223
In winter 228
Problems 50 
         
        
        
     
        
        Page 359 of 376

359 Index
Starting the engine 45
Unlocking with 30
Kickdown 145, 343
Kilometers/miles in speedometer 124
Km/h or mph in speedometer 124
L
Labels, identification 322
Lamp bulbs, exterior 293
Lamps
Fog lamps 101
Lamps, exterior
Front 293
Light sensor 278
Messages in display 277, 279–??
Rear 294
Lamps, indicator and warning
ABS 258
Airbag Off 61
Battery (SmartKey) 83
Brakes 259CHECK ENGINE 260
Coolant 271
Engine diagnostics 260, 262
ESP 261
Fuel reserve 262
Instrument cluster 261–262
Seat belts 262
Service indicator 249
SRS 57
Turn signals 23
Language
Multifunction display 124
Setting 124
LATCH child seat mounts 70
Folding back 70
Layout of poly-V-belt drive 323
Leather upholstery
Cleaning 256
License plate lamps
Messages in display 278Replacing bulbs 294, 299
Light alloy wheels
Cleaning 254
Technical data 326
Light sensor 278
Lighter see Cigarette lighter 204
Lighting 98
Automatic headlamp mode 99
Combination switch 102
Daytime running lamp mode 100
Exterior lamp switch 98
Fog lamps 101
Front fog lamp 101
High beam flasher 102
High beams 102
Instrument cluster illumination 105
Interior 103
Locator lighting 100
Low beam 98
Manual headlamp mode 99 
         
        
        
     
        
        Page 363 of 376

363 Index
Outside temperature indicator 107
Overdue service 249
Overhead control panel 27
Overspeed range 343
P
Paintwork 252
Panic alarm 72
Panic button on SmartKey 72
Panorama sliding/pop-up roof* 189
Parcel net
In front passenger footwell 203
Parking 52, 225
Parking brake 46, 52
Engaging 52
Message in display 269
Releasing 46
Parking lamps
Replacing bulbs 293, 294, 296, 297
Switching on 98
Parking position
Exterior rear view mirrors 97, 132Parts see Spare parts service 320
PASS.AIRBAG OFF 
indicator lamp 67, 263
Passenger compartment 230
Fuse box in 317
Interior lighting 103
Interior rear view mirror 39
Parcel net 
in front passenger footwell 203
Passenger safety see Occupant 
safety 56
Pedals 223
Performance
In cold weather 335
In hot weather 335
Phone book*
Loading 136
Quick search 136
Phone number*
Dialing 136
Redialing 136Plastic and rubber parts
Cleaning 256
Playing
CDs 177
Poly-V-belt drive 344
Layout 323
Positions (Memory function*)
Recalling from memory 96
Storing into memory 96
Power assistance 223
Power seat*
Adjusting backrest tilt 35
Adjusting head restraint height 36
Adjusting seat cushion tilt 35
Adjusting seat height 35
Front seat head restraints 91
Seat fore and aft adjustment 35
Power train 344
Power washer 252
Power window
Opening and closing with 
SmartKey 188 
         
        
        
     
        
        Page 365 of 376

365 Index
Removing 93
Rear seats
Adjusting head restraint height 91
Rear view mirror automatic antiglare 146
Rear view mirrors see Mirrors
Rear window defroster 149
Activating 149
Deactivating 149
Reconnecting
Vehicle battery 308
Refrigerant
Air conditioner 332
Refuelling 233
Regular checks 234
Reinstalling vehicle battery 308
Remote controls
SmartKey 82
Remote door unlock
With Tele Aid* 213
Remote Vehicle Diagnostics 344Removing
Vehicle battery 308
Wheel 303
Wiper blades 300
Replacing
Backup lamp bulbs 298
Brake lamp bulbs 298
Bulbs 293
Front lamp bulbs 295
Front turn signal bulbs 295, 296
High beam bulbs 295
High beam bulbs 
(xenon-type headlamps) 296
License plate lamp bulbs 299
Low beam bulbs 295
Parking lamp bulbs 296, 297
Rear fog lamp bulbs 298
Rear lamp bulbs 294, 298
Rear turn signal bulbs 298
Side marker lamp bulbs 298
Standing lamp bulbs 296, 297Wiper blades 300
Reset button in 
the instrument cluster 119
Reset knob in 
the instrument cluster 119, 120
Resetting
All functions (control system) 119
All functions of a submenu 120
Fuel consumption 133
Service indicator (FSS) 250
Trip odometer 107
Residual heat utilization 344
REST 
(Residual engine heat utilization) 344
Restraint system see 
Infant and child restraint systems      65, 69Reverse (manual transmission)
Shifting into 138
Rims 325
Roadside assistance
Tele Aid* 210
Roller sunblind for the sliding/pop-up roof
Closing 189
Opening 189 
         
        
        
     
        
        Page 366 of 376

366 IndexRON 234
RON (Research Octane Number) 344
Roof rack 197
Rotating wheels 246
Rubber parts
Cleaning 256
S
Safety
Occupant 56
Safety belts see Seat belts 41
Safety systems
Driving 73
Saving current speed 195
Searching
Radio station 115
Seat belt force limiter 64
Seat belt outlet height adjustment 43
Seat belts 62
Cleaning 255
Fastening 41Height adjustment 43
Proper use of 43, 63
Safety guidelines 60
Warning lamp 262
Seat heater*
Switching off 94
Switching on 94
Seats 89
Adjusting 32
Easy entry/exit feature 89
Heater 93
Manual 33
Rapid seat heating 94
Split rear bench seat 197
Selecting
Display 125
Selector lever 23
Lock 45
Position 
(automatic transmission) 23, 139Self-test
BabySmartTM 
airbag deactivation system 68
Tele Aid* 207
Service
Calling up the service indicator 250
Major service (Service B) 249
Minor service (Service A) 249
Overdue 249
Spare parts 320
Types 249
When due 249
Service and Warranty Booklet
Loss of 321
Service indicator 249
Calling up 250
Clearing 249, 250
Service life (tires) 245
Service System see FSS 249
Setting
Convenience functions 121, 129
Cruise control 195