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 355 of 376

355 Index
Messages in display 238, 276
Viscosity 342
Engine oil level see Oil level 235
ESP 23, 75, 342
Messages in display 266
Switching off 76
Switching on 77
Synchronizing 266
Warning lamp 261
ETD 342
Safety guidelines 60
ETD (Emergency tensioning device) 64
Ethanol fuel
At the gas station 233
Switching fuels 334
Exterior lamp switch 98
Exterior lamps
Delayed shut-off 127
Exterior rear view mirror
Activating parking position 147Exterior rear view mirrors
Adjusting 40
Parking position for 132
F
Fahrenheit
Setting temperature units 123
Fastening the seat belts 41
Fine adjustment
Cruise control 196
First aid kit 284
Flat tire 301
Inflating the spare tire 304
Lowering the vehicle 306
Mounting the spare wheel 301
Preparing the vehicle 301
Spare wheel 285
Flexible fuel vehicles 334
At the gas station 233
Switching fuels 334
Flexible Service System (FSS) 249, 342Fog lamp, front 101
Fog lamp, rear 101, 294
Fog lamps
Replacing bulbs 293
Fog lamps, front
Messages in display 278
Replacing bulbs 294
Front airbags 61
Front fog lamp
Switching on 101
Front lamps
Bi-Xenon type 296
Halogen-type 295
Messages in display 277, 279
Replacing bulbs 293, 295
Switching on 98
Front seat backrest
Folding backrest back 37
Folding backrest forward 36 
     
        
        Page 362 of 376

362 Index
Washer fluid 283
Multifunction steering wheel   24, 110, 343
Buttons 110
N
Navigation system
Operating 117
See separate COMAND* operating in-
structions
Night security illumination 100
Setting 127
O
Occupant safety 56
Airbags 57
Children and airbags 58
Children in the vehicle 65
Fastening the seat belt 41
Infant and child restraint systems 65
LATCH child seat mounts 70
Seat belts 41, 60
Odometer, main 23Oil
Adding 239
Consumption 237
Dipstick 237
Filler neck 240
Viscosity 342
Oil level
Checking 235
One-touch gearshifting 140
Canceling gear range limit 140
Downshifting 140
Upshifting 140
Opening
Ashtray 203
Doors from the inside 85
Fuel filler flap 233
Fuel filler flap manually 291
Glove box 200
Hood 236
power window with SmartKey 188
Roller sunblind for the 
sliding/pop-up roof 189Side windows 187
Sliding/pop-up roof 190, 292
Sliding/pop-up roof in an 
emergency 292
Sliding/pop-up roof with 
SmartKey 192
Trunk 85
Windows 186, 187
Windows with SmartKey 188
Operating
Audio system 159
Cassette player 116
CD player 116
COMAND* see separate operating in-
structions
Navigation system 117
Radio 115
Radio transmitters 230
Telephone* 134, 159, 179
Operating safety
Audio system 159
Operator’s Manual 10
Ornamental moldings 253