Page 140 of 435

139 Controls in detail
Control system
Standard display menu
You can select the functions in the stan-
dard display menu with buttonk 
orj.
The following functions are available:
Display digital speedometer
Press the j or k button repeat-
edly until you see the digital speedom-
eter appear in the display.
The current vehicle speed is shown in 
the multifunction display.
AUDIO menu
The functions in the 
AUDIO
 menu operate 
the audio equipment which you currently 
have turned on.
If no audio equipment is currently turned 
on, the message 
AUDIO OFF
 is shown in the 
display.
The following functions are available:
iThe headings used in the menus table 
are designed to facilitate navigation 
within the system and are not neces-
sarily identical to those shown in the 
control system displays.
The first function displayed in each 
menu will automatically show you 
which part of the system you are in.
Funktion
Page
Call up FSS
295
Check tire pressure*
287
Check engine oil level
274
Call up digital speedometer 
139
Funktion
Page
Select radio station
140
Select satellite radio* station 
(USA only)
140
Operate CD player
141
Operate cassette player
141 
     
        
        Page 148 of 435

147 Controls in detail
Control system
NAVI menu
In the 
NAVI
 menu, you will see which status 
the navigation system has.
Press buttonè orÿ repeatedly 
until you see the message 
NAV
I in the 
display.
If the navigation system is switched off, 
the message 
NAVI OFF
 is shown in the 
display. 
If the navigation system is on and no 
destination has been entered, you will 
see the current direction in which the 
vehicle is moving and the names of 
streets in the display.
Please refer to the COMAND manual for in-
structions on how to activate the route 
guidance system.
Distronic* menu
Use the 
DISTRONIC
 menu to display the 
current settings for your Distronic system. 
What information is shown in the display 
depends on whether the Distronic system 
is active or inactive.
Please refer to the “Driving systems” sec-
tion of this manual (page 206) for in-
structions on how to activate Distronic.
Press buttonè orÿ repeatedly 
until you see one of the following two 
pictures in the display.Distronic deactivated
When Distronic is deactivated you will see 
the standard display in the display.
1Vehicle ahead, if detected
2Actual distance to vehicle ahead
3Preset distance threshold to vehicle 
ahead
4Symbol for activated distance warning 
function
5Your vehicle 
     
        
        Page 404 of 435

403 Technical terms
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 P
rogram)
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. 
->SRSFSS
(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 selector lever.
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying 
geographic location information to and 
from vehicles equipped with special re-
ceivers. Employs DVD digital maps for 
navigation.
Instrument cluster
The displays and indicator/warning 
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer, 
engine temperature and fuel gauge.KEYLESS-GO*
System for entering and operating the 
vehicle without the use of a SmartKey.
Kickdown
Depressing the accelerator past the 
point of resistance shifts the transmis-
sion down to the lowest possible gear. 
This very quickly accelerates the vehi-
cle and should not be used for normal 
acceleration needs.
Lock button
Button on the door which indicates 
whether the door is locked or un-
locked. Pushing the lock button down 
on an individual door from inside will 
lock that door.
Memory function*
Used to store three individual seat, 
steering wheel and exterior mirror posi-
tions for each SmartKey or SmartKey 
with KEYLESS-GO*. 
     
        
        Page 422 of 435

421 Index
Entry position 328
Hood 328
Lamps 331
Parking brake 321
Selector lever 317
SmartKey 328
SmartKey with KEYLESS-GO* 328
TeleAid 334
Telephone* 334
Tires 336, 339
Trunk 334
Washer fluid 334
Multifunction steering wheel 24, 135, 
404
Buttons 135
N
Navigation system
Operating 147
See separate COMAND* operating 
instructions
Night security illumination 126
Nubuck leather upholstery
Cleaning 302O
Occupant safety 58
Airbags 59
Children and airbags 60
Children in the vehicle 69
Fastening the seat belt 40
Infant and child restraint systems 69
LATCH child seat anchors 73
Seat belts 40, 62
Oil
Adding 277
Consumption 273
Dipstick 273
Filler neck 277
Viscosity 403
Oil level
Checking 271
Oil level via control system
Checking 274
One-touch gearshifting 165
Canceling gear range limit 165
Downshifting 165
Upshifting 165Opening
Ashtray 238
Cup holder 237
Doors from the inside 96
Fuel filler flap 269
Fuel filler flap manually 351
Glove box 231
Hood 272
Side windows 196
Sliding/pop-up roof 199, 352
Sliding/pop-up roof in an 
emergency 352
Sliding/pop-up roof with 
SmartKey 201
Storage compartment in the center 
console 232
Storage compartments in the 
armrest 233
Storage compartments in the center 
console 233, 234
Trunk 97
Trunk lid from the inside 97
Windows 195
Windows with SmartKey 197 
     
        
        Page 423 of 435

422 IndexOpening from the inside
Trunk 99
Operating
Cassette player 141
CD player 141
COMAND* see separate operating 
instructions
Garage door opener 255
Integrated remote control 255
Navigation system 147
Radio 140
Radio transmitters 266
Telephone* 144
Vehicle outside the USA and 
Canada 13
Operator’s Manual 10
Ornamental moldings 298
Outside temperature indicator 133
Overdue service 294
Overhead control panel 27
Garage door opener 27
Reading lamp 27
Rear view mirror 27
Tele Aid button 27Override switch see Blocking of rear 
window operation 74
Overspeed range 404
P
Paintwork 297
Panic alarm 76
Panic button on SmartKey 76
Parcel net in front passenger 
footwell 237
Parcel net in trunk 238
Parking 51, 261
Parking and standing lamps
Replacing bulbs 353
Parking assist see Parktronic* 224
Parking brake 45, 52
Engaging 52
Message in display 321
Releasing 45
Warning sound 46
Parking lamps
Replacing bulbs 354, 357
Switching on 124Parking position
Exterior rear view mirrors 122, 162, 
175
Parktronic 224
Parktronic* 224, 404
Malfunctioning 228
Sensor 299
Passenger compartment 266
Fuse box in 374
Interior lighting 129
Interior rear view mirror 38
Parcel net in front passenger 
footwell 237
Passenger safety see Occupant 
safety 58
Passenger seat fore and aft 
adjustment 120
Passenger seat head restraint 
height 120
Passenger seat height 120
Pedals 259
Phone book*
Loading 146
Quick search 146