Points to remember

The on-board computer is activated as soon as the key is turned to position 1 in the ignition lock. You can use the on-board computer to call up information relating to your vehicle and to make and adjust settings.

You can call up the next service due date, select the display language for the instrument cluster and set other functions.

The on-board computer shows information in the multi-function display.

Multi-function steering wheel

You can control the multi-function display and the settings in the on-board computer with the buttons on the multi-function steering wheel.

	Multi-function display
	Selects submenus in the Settings menu Changes values Adjusts the volume
	Accepts or rejects a call*
	Scrolls back and forth within a menu
	Audio 5*: Press briefly: in the Audio* menu, selects an audio track or a stored station or selects the next/previous station (depending on the setting).
	Audio 20*, Audio 50 APS* and COMAND APS* Press briefly: in the Audio/TV*/DVD*menu, selects a stored station, an audio track or a video scene*. In the Telephone* menu: switches to the phone book and selects a name or phone number.
	Audio 20*, Audio 50 APS* and COMAND APS* Press and hold: in the Audio*/DVD* menu, selects the next/previous station or selects an audio track using rapid scrolling. In the Telephone* menu: starts rapid scrolling through the telephone book.
	Selecting menus: scrolls back and forth

Several functions are combined thematically in the menus.

For example, the Audio*/DVD* menu contains functions for operating the radio* or CD player*. The functions can be used either to look up information or to change settings for your vehicle.

You can think of the configuration of the menus and the functions within a menu as a circle:

Unlike other menus, the Settings menu contains a number of submenus more.

The number of menus depends on the equipment in your vehicle.

Multi-function display

The multi-function display shows you values and settings as well as any display messages that may have been generated.

Display area for menus or submenus Status bar with outside temperature or speed more

Menus and submenus

	Function
	Operation menu more Trip meter and total distance recorder (standard display) more Tyre pressure loss warning system more Digital speedometer or outside temperature more ASSYST PLUS service display more Engine oil level* more
	Audio*/DVD* menu more Radio station more Audio drive or media*more DVD video* more
	Navigation* menu (NAV) more
	Message memory menu (This menu is only visible if there is a display message available.) (fault and warning messages) more
	Settings menu more Resetting to factory settings more Selecting a submenu more
	Trip computer menu more Consumption statistics more Range more
	Telephone* menu more

This is what the displays look like when you scroll through the menus.

The generic terms in the table overview are intended to help you navigate through the menus. The terms themselves are not always displayed in the multi-function display.

For the Audio 5*, the on-board computer displays the Audio* and Telephone* menus in English. The language for these menus is not dependent on the language selected for the multi-function display.

Audio 20*, Audio 50 APS* and COMAND APS*:

Depending on the audio system* fitted, the Audio*, Navigation* and Telephone* menus are slightly different. The examples given in this Owner's Manual apply to vehicles equipped with COMAND APS*.

Operation menu

Use the buttons on the multi-function steering wheel.

You can select the following functions in the Operation menu by pressing the or button:

• trip meter and total distance recorder (standard display)

• tyre pressure loss warning system more

• digital speedometer or outside temperature

• ASSYST PLUS service display more

• engine oil level* more

Standard display

Trip meter Total distance recorder

Standard display

Displaying the digital speedometer or outside temperature

If you have selected the digital speedometer for the status line more, select the outside temperature display here

(Vehicles for the United Kingdom: the outside temperature is always displayed.)

.

Digital speedometer

Example illustration showing the digital speedometer displayed

Audio*/DVD* menu

Use the functions in the Audio/DVD menu to operate the audio equipment* or COMAND APS*. If the audio equipment* or COMAND APS* is switched off, the multi-function display shows the AUDIO OFF message (Audio 20, Audio 50 APS* and COMAND APS*: Audio off).

Use the buttons on the multi-function steering wheel.

Selecting a radio station

You can only store new stations using the audio system*or COMAND APS*. Please refer to the separate operating instructions for notes on how to do this.

Waveband (preset number, only if the channel is stored) Station

Using the CD player (Audio 5*)

You can play MP3/WMA CDs in the Audio 5* drive.

Function (with a CD changer* the CD number is also shown) Current track

Example

Operating the audio player or audio media* (Audio 20*, Audio 50 APS* or COMAND APS*)

Audio data from various audio devices or media can be played, depending on the equipment fitted in the vehicle.

Current CD (for CD/DVD changer*) Current track

Example

In audio AUX mode, the current track is not displayed.

Operating the DVD video* 

Disc number (only for DVD changer*) Current scene

Navigation* menu

In the Navigation menu, the multi-function display shows information from the navigation system.

Use the buttons on the multi-function steering wheel.

Route guidance inactive

The multi-function display shows the direction of travel.

Direction of travel

Route guidance active

The following may appear in the multi-function display:

Message memory menu

Previous display messages can be called up in the Message memory menu. You will only see the Message memory menu if there are any display messages.

Switching off the ignition clears the Message memory except for the highest priority display messages. The on-board computer will delete these display messages only after the reason for the message has been rectified.

Displaying messages

Use the buttons on the multi-function steering wheel.

Settings menu

In the Settings menu, you can use the To reset: Press reset button for 3 seconds function to restore most settings to the factory settings. There are also submenus in which you can make individual settings for your vehicle.

Use the buttons on the multi-function steering wheel.

Resetting to factory settings

For safety reasons, not all functions are reset: permanent Speedtronic* can only be set in the Vehicle submenu. The Headlamp mode function in the Lighting submenu is only reset if the vehicle is stationary.

Submenus in the Settings menu

The following tables show the settings you can make in the individual submenus. You will find additional information on the pages shown.

Instrument cluster submenu
Unit of measurement for distance more Language more Status line display more

Time/date submenu (This function is not available on vehicles with Audio 50 APS* or COMAND APS*.)
Time and date more

Lighting submenu
Constant headlamp mode more Surround lighting*more Exterior lighting delayed switch-off*more Interior lighting delayed switch-off more

Vehicle submenu
Permanent Speedtronic* more Radio station selection*more Automatic locking feature more

Convenience submenu*
Fold in the exterior mirrors when locking the vehicle* more

Selecting the unit of measurement for distance

The selected unit of measurement for distance applies to:

• the total distance recorder and the trip meter

• the trip computer

• the digital speedometer

  (Vehicles for the United Kingdom: the digital speedometer always displays km/h.)

• Speedtronic*

Selecting the language

Selecting the status line display

Vehicles for the United Kingdom: this function is not available.

Setting the date and time

A:	Audio 5* or Audio 20*

B:	Audio 50 APS*

C:	COMAND APS*

Depending on the audio system* fitted, time and date are received from GPS satellites and therefore cannot be set using the on-board computer; see the following table.

	A	B	C
Set using the on-board computer	X
Automatic GPS satellite reception		X	X

Setting the time

Setting the date

Setting constant headlamp mode

If you have selected constant headlamp mode and the light switch is set to the or position, the side lamps, dipped-beam headlamps and licence plate lighting switch on automatically when the engine is running. Turning the light switch to a different position switches on the corresponding lights.

In countries in which constant headlamp mode is a legal requirement, Constant is the factory setting.

Switching the surround lighting* on/off.

If the surround lighting is switched on, the following lights will be switched on automatically in the dark after you have unlocked the vehicle using the key:

• the side lamps

• the tail lamps

• the licence plate lighting

• the front foglamps*

The surround lighting switches off automatically if you open the driver's door or after 40 seconds.

Activating or deactivating the exterior lighting delayed switch-off*

Using the Headl. delayed switch-off function, you can set whether the exterior lighting should remain on when it is dark for 15 seconds after the doors are closed. If none of the doors are opened after the engine is switched off or if an open door is not closed, the exterior lighting goes out after 60 seconds.

When you have set a delayed switch-off time and then switch off the engine, the following remain lit:

• the side lamps

• the tail lamps

• the licence plate lighting

• the front foglamps*

To temporarily deactivate the delayed switch-off:

Delayed switch-off is reactivated as soon as you restart the engine.

Activating or deactivating the interior lighting delayed switch-off

Using the Inter. lighting delay.sw.off function you can set whether the interior lighting should remain on when it is dark for 10 seconds after the key is removed from the ignition lock.

Setting the radio station selection*

This function is only available in conjunction with Audio 5*.

You can use the Audio search function to set whether a new station is to be searched for or whether a stored station is to be selected every time you operate the radio*. If the Frequency setting is selected, the station search is started. If the Memory setting is selected, the next stored station is selected.

Activating/deactivating the automatic door locking feature

The Automatic door lock function allows you to set whether your vehicle will lock centrally from a speed of about 15 km/h upwards.

Activating or deactivating the fold-in mirrors when locking* function

The Fold in mirr. when locking function allows you to determine whether the exterior mirrors should fold in when you lock the vehicle. If you unlock the vehicle and then open the driver's or front-passenger door, the exterior mirrors fold out again.

If you have switched the function on and you fold in the exterior mirrors using the button on the door more, they will not fold out automatically. The exterior mirrors can then only be folded out using the button on the door.

Trip computer menu

You can use the Trip computer menu to call up or reset statistical data for your vehicle.

Use the buttons on the multi-function steering wheel.

Consumption statistics from start

The values refer to the start of the journey.

Kilometres Time Average speed Average fuel consumption

If the vehicle is parked for more than 4 hours, the From start consumption statistics are reset (key in position 0 of the ignition lock or removed).

The values will not be reset if you turn the key to position 1 or 2 during this time.

Consumption statistics from the last reset

The values refer to the last reset of the function.

Kilometres Time Average speed Average fuel consumption

Resetting the consumption statistics

The From start consumption statistics are reset automatically after 999 hours or 9,999 kilometres.

The From reset consumption statistics are reset automatically after 9,999 hours or 99,999 kilometres.

Calling up the range

Telephone menu*

Functions and displays are dependent on the optional equipment installed in your vehicle.

You can place your mobile phone in the mobile phone cradle* more, or set up a Bluetooth connection to the audio system* or COMAND APS* (see the separate operating instructions).

Use the buttons on the multi-function steering wheel.

Mobile phone on

PIN code not yet entered

Once you have inserted the mobile phone into the mobile phone cradle* the multi-function display shows the Enter PIN: message.

Mobile phone operational

The multi-function display shows the Ready message or the name of the GSM network provider. If the operational readiness symbol goes out, your vehicle is outside the transmission and reception range.

Accepting a call

If someone calls you while you are in the Telephone menu, the following message appears in the multi-function display:

Rejecting or ending a call

Dialling a number from the phone book

If your mobile phone is operational, you can select and dial a number from the phone book at any time. It is only possible to enter new numbers into the phone book using the mobile phone. Please refer to the separate operating instructions for notes on how to do this.

Redialling

The on-board computer stores the last phone numbers which were dialled.