Page 138 of 457
137 Controls in detail
Control system
Menus, submenus and functions
Menu1Menu2Menu3Menu4
Standard displayAudioNAVVehicle status message 
memory1
1The vehicle status message memory menu is only displayed if there is a message stored.
(page 140)(page 141)(page 144)(page 144)
Commands/submenu
Trip- and main odometerSelecting radio stationRoute guidance instructions, 
current direction traveledCalling up malfunction 
messages, warning messages, 
and system status messages 
stored in memory
Checking tire inflation 
pressureSelecting satellite radio 
station* (USA only)
Calling up digital speedometer 
or outside temperatureOperating CD player
Calling up maintenance 
service indicator
Checking engine oil level
iThe headings used in the menus table are 
designed to facilitate navigation within the 
system and are not necessarily 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. 
     
        
        Page 142 of 457

141 Controls in detail
Control system
Outside temperature
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 appears in the 
multifunction display.
The following functions are available:Selecting radio station
Turn on the COMAND system and 
select radio. Refer to separate 
COMAND system operating instruc-
tions.
Press buttonè orÿ repeatedly 
until the currently tuned station 
appears in the multifunction display.
1Waveband setting or stored memory 
position (
FM0 through FM9)
2Station frequency
3Waveband setting
iYou can select whether the digital 
speedometer or the outside temperature is to be 
displayed.
You can change the setting in the submenu 
Inst. cluster via the function Status line 
display
, see “Selecting display (digital speed-
ometer or outside temperature) for status indica-
tor” (
page 150).
FunctionPage
Selecting radio station141
Selecting satellite radio station* 
(USA only)142
Operating CD player143
 
     
        
        Page 144 of 457

143 Controls in detail
Control system
Operating the CD player
Selecting CD track
Turn on the COMAND system and 
select CD. Refer to separate COMAND 
system operating instructions.
Press buttonè orÿ repeatedly 
until the settings for the CD currently 
being played appear in the multifunc-
tion display.1Current CD (CD0 for CD in head unit, 
CD1throughCD6 for CD in CD changer)
2Current track
Press buttonk orj repeatedly 
until the desired track is selected.Selecting MP3-CD track
Turn on the COMAND system and 
select MP3. Refer to separate 
COMAND system operating instruc-
tions.
Press buttonè orÿ repeatedly 
until the settings for the MP3-CD 
currently being played appear in the 
multifunction display.
iThe COMAND system and the CD changer 
can play CDs as well as MP3-CDs.
iTo select a CD from the CD changer 
magazine, press a number on the COMAND 
system key pad located in the center console.
iA MP3-CD inserted in the CD changer is 
handled by the COMAND system like an 
audio CD. Information contained on a MP3-CD 
will not appear in the multifunction display or in 
the COMAND system display.
 
     
        
        Page 435 of 457

434 Index
Cargo tie-down rings 209
Carpets, Cleaning 321
Catalytic converter 262
CD changer 368
CD player
Operating 143
Center console 30
Front passenger front air bag off 
indicator lamp 337
Lower part 31
Upper part 30
Central locking
From inside 107
Switch 107
Switching on/off (control 
system) 155
Unlocking from inside 107
Central unlocking
Switch 107
Certification label 412
Charging
Vehicle battery 398
Checking
Coolant level 266, 274
Oil level 266, 269Checking tire pressure electronically with 
the Advanced Tire Pressure Monitoring 
System (Advanced TPMS) 289
Checklist
Off-road driving 254
Child safety 78
Infant and child restraint systems 68, 
79
LATCH child seat anchors 83
Child safety switch see Blocking of rear 
door window operation
Cigarette lighter 222
Cleaning
Gear selector lever 321
Headlamps 177
Headliner 321
Leather upholstery 322
Light alloy wheels 320
Rear Parking Assist sensors 318, 
319
Seat belts 321
Steering wheel 321Upholstery 322
Windows 319
Windshield 59
Wiper blades 319
Wood trims 322
Cleaning tires 279
Climate control 182
Adjusting air distribution 186
Adjusting air volume 186
Air conditioning 189
Air recirculation mode 188
Defogging windshield 188
Defrosting 187
Rear window defroster 181
Residual heat utilization (REST) 190
Setting the temperature 185
Windshield defroster 180
Clock 27
Closing
Glove box 215
Hood 269
Tailgate 106
Tilt/sliding sunroof 196, 374
Windows 192
Closing tilt/sliding sunroof
In an emergency 374 
     
        
        Page 445 of 457

444 Index
O
Occupant distribution 305
Occupant safety 68
Air bags 70
Children in the vehicle 78
Fastening the seat belt 48
Front passenger front air bag off 
indicator lamp 81
Infant and child restraint systems 79
LATCH child seat anchors 83
Seat belts 48, 72
Odometer, main 27
Off-road driving 253
Checklist 254
Crossing obstacles 258
Driving on sand 259
Driving through water 257
Returning 260
Rules 253
Special driving features 253
Steep terrain 255
Oil
Adding 273
Consumption 269
Oil dipstick 272Oil level
Checking 266
Checking with the control 
system 270
Checking with the oil dipstick (G 500 
only) 272
One-touch gearshifting 168
Canceling gear range limit 169
Extending gear range 168
Limiting gear range 168
Opening
Doors from the inside 104
Fuel filler flap 264
Fuel filler flap manually 372
Glove box 215
Hood 267
Tailgate 105
Tilt/sliding sunroof 196, 374
Tilt/sliding sunroof in an 
emergency 374
Windows 192Operating
CD player 143
COMAND see separate operating 
instructions
Navigation system 144
Radio 141
Radio transmitters 261
Telephone 159
Operator’s Manual 10
Ornamental moldings 317
Outside temperature indicator 132
Overdue maintenance service 313
Overhead control panel 32
P
Paintwork 316
Paintwork code 412
Panic alarm 87
Panic button on SmartKey 87
Parcel net
In front passenger footwell 218
Parking 62, 248
Parking brake 55, 62
Engaging 62
Message in display 347
Releasing 55