Page 15 of 232
15 At a glance
Single CD operating elements
FunctionPage
1Audio menu44
2Soft keys
(multifunction keys)
3Color screen with single
CD main menu
The status bar indicates
CD status information
63
41 - 0, *
Track select
66
5Push the joystick to
g and G
Track select
Press E to confirm
66
FunctionPage
6l
Ejecting/loading a CD into
the CD drive
i
There are two l
buttons. One is on the
display unit. The other is
located left of the CD
AUDIO slot behind the
display.
54
7J
Muting
68
8Volume control38
9e Switching on and off37
ad and D
Track select
Fast forward/reverse
66
68
Page 19 of 232
19 At a glance
MP3 CD operating elements
FunctionPage
1Audio menu44
2Soft keys
(multifunction keys)
3Color screen with MP3
main menu
The status bar indicates
MP3 CD status
information
75
41 - 0, *
Track select
78
5Push the joystick to
H and h
Selecting a folder
Push the joystick to
g and G
Track select or
Activating playback mode
Selecting a folder
Press E to confirm
75
77
80
76
6l
Ejecting/loading a MP3
CD into the CD drive
i
There are two l
buttons. One is on the
display unit. The other is
located left of the CD
AUDIO slot behind the
display.
54
7J
Muting
79
8Volume control38
9e Switching on and off37
ad and D
Fast forward/reverse
79
FunctionPage
Page 25 of 232
25 At a glance
Navigation operating elements
FunctionPage
1b
Navigation main menu
During route guidance:
Change over to navigation
display
Cancelling route guidance
146
169
177
2c
Switches to map display
Changing the map display
(split and full view)
169
171
3Soft keys
(multifunction keys)
4Color screen with
Navigation main menu
146
5Entering a house or street
number
Entering a POI by phone
number
153
199
6Push the joystick to
H,h,g,G,F,f
Function selection,
Scrolling on map
Press E to confirm
7l
Updating software/
changing map data
i
There are two l
buttons. One is on the
display unit. The other is
located left of the DVD
NAVIGATION slot behind
the display.
204
FunctionPageFunctionPage
8J
During a voice instruction:
Muting current voice
instruction
Switching off voice
instructions
168
168
9j
Repeating current voice
instruction
Switching on voice
instructions
168
168
aVolume control38
be Switching on and off37
Page 29 of 232
29 At a glance
Multifunction steering wheel
Switch the multifunction display to the
respective system if you wish to
operate the system using the buttons
on the multifunction steering wheel.
Selecting the multifunction display
On the multifunction steering wheel,
press è or ÿ repeatedly until
one of the following, Radio, Single CD
or MP3 CD, CD changer*, Satellite
radio*, Telephone* or AUX/Rear Seat
Entertainment* display appears in the
multifunction display of the instrument
cluster.Radio operation
1Waveband
2Station frequency
Single CD/ CD changer* operation
1Current CD
2Current trackMP3 CD operation
1MP3 mode
2Current MP3 track
Satellite radio* operation
1SAT mode and preset channel number
2Channel name
Page 31 of 232
31 At a glance
Multifunction steering wheel
Switch the multifunction display to the
respective system if you wish to
operate the system using the buttons
on the multifunction steering wheel.
CLK-Class steering wheelFunctionPage
1Multifunction display
2Volume setting
ç Volume down
æ Volume up
38
38
3Making calls:
s
Accepting calls,
Redialing
t
Ending or rejecting calls
131
133
132
4Multifunction display
menu change:
è forward
ÿ back
32
5Radio mode:
j Next station
k Previous station
47
47
Single CD and CD
changer* mode:
j Next track
k Previous track
66
66
MP3 CD mode:
j Next track
k Previous track
77
77
Satellite radio* mode
j Next station
k Previous station
117
117
Telephone* mode
j Next list entry
k Previous list entry
140
140
FunctionPage
Page 54 of 232

54 Audio
CD operation
Avoid touching the CD surface with
your fingers.
Clean the CD with a dry, lint-free cloth.
Wipe them from the inside to the outer
edge. Never wipe the CD in a circular
motion.
Do not use rubbing alcohol or solvents
to clean the CDs.
Do not expose the CDs to heat or direct
sunlight.
Do not write or put stickers on a CD.Loading a CD into the CD drive
Tips on caring for your CDsLoading/Ejecting a CD
WarningG
In order to avoid distraction which could
lead to an accident, the driver should insert
CDs with the vehicle at a standstill and
operate the audio system only if permitted
by road, weather and traffic conditions.
Bear in mind that at a speed of just 30
m.p.h. (approximately 50 km/h), your car
covers a distance of 44 feet (approximately
14 m) every second.
i
There are two l buttons. One is on
the display unit. The other is located
left of the CD AUDIO slot behind the
display, see next page.
i
The CD drive can accommodate either
audio or MP3 CDs (
page 71).
Page 57 of 232

57 Audio
CD changer* operation
CD changer* operation
The CD changer* can play audio or MP3
CDs. When playing MP3 CDs, only the first
99 tracks will be played back in successive
order. After that, playback will begin with
track 1 of the MP3 CD. Folder selection is
not possible.
Multi session CDs include mixed file types
(e.g. MP3 and audio CD) in either succes-
sive or random order on the disc. Audio
tracks will be played back first, followed by
MP3 tracks until 99 tracks are reached.
Refer to additional MP3 information:
Permissible MP3 CDs (page 72)
Permissible file systems (page 72)
Permissible MP3 formats (page 73)
Permissible bit and scan rates
(
page 73)
Refer to additional CD information:
General information on CD operation
(
page 53)
Activate the CD changer* main menu
(
page 63).
or
Load a CD into the CD changer*
(
page 58) for M, GL and R-Class or
(
page 62) for CLK-Class.
Accessing the CD changer*
The CD changer* is located in the glove
box.
Open the glove box.
Press the chrome CDC button 1.
The CD changer* lowers and becomes
accessible.1CD changer* release button
2CD slot
3Magazine compartment buttons
Retracting the CD changer*
By hand, lift the CD changer* into the
stowed position.
A click is heard when fully retracted.
Switching to CD changer* mode
M, GL and R-Class CD changer*
Page 58 of 232

58 Audio
CD changer* operation
Loading CDsThe CD changer* has a built-in magazine
which can hold up to six CDs. The CD
changer* has six magazine compartment
buttons 3 for controlling the loading
procedure. LEDs in the buttons indicate
the status of the corresponding magazine
compartment.
Button LED off:
Magazine compartment empty
Button LED continuously red:
Magazine compartment loaded with a
CD
Button LED flashes green:
CD changer requesting CD to be
loaded
Button LED flashes red:
CD is loading
The status of a magazine compartment can
also be seen when selecting a CD in the
Magazine menu (
page 66).
The CD slot 2 for loading CDs into the CD
changer* is located above the buttons 3.
Loading options:
Loading a single magazine
compartment
Loading all six magazine
compartments
Loading a single magazine compartment
1CD changer* release button
2CD slot
3Magazine compartment buttons
Access the CD changer* (page 57).
Briefly press the button 3 of the
empty magazine compartment to be
loaded.
WarningG
In order to avoid distraction which could
lead to an accident, the driver should insert
CDs with the vehicle at a standstill and
operate the audio system only if permitted
by road, weather and traffic conditions.
Bear in mind that at a speed of just 30
m.p.h. (approximately 50 km/h), your car
covers a distance of 44 feet (approximately
14 m) every second.
i
For more information see General
Information on CD operation
(
page 53).
i
Loading a magazine slot will stop the
playback of a CD in the changer.