2014 MERCEDES-BENZ C-Class Audio Manual

Display settings
Display design
You can adjust the brightness of the display
to suit the prevailing ambient light.
X To call up the basic menu: press0066.
X Switch to the submenu bar by sliding 00520064
the controller.
X Select Settings Settings using the controller (slide
009500520096 or turn 00790052007A) and press 0098to confirm.
X Select Display Display and press 0098to confirm.
X Select Brightness
Brightness, Day Mode
Day Mode,Night
Night
Mode
Mode orAutomatic
Automatic and press0098to con-
firm.
i If you select Brightness
Brightness, an adjustment
scale appears which you can use to adjust
the brightness manually.
When the Automatic Automatic setting is selected,
Audio 20 evaluates the readings from the
automatic vehicle light sensor and
switches between the display designs auto-
matically. Time settings
Accessing the date/time settings
menu
X To call up the basic menu: press0066.
X Switch to the submenu bar by sliding 00520064
the controller.
X Select Time
Time by sliding 009500520096or turning
00790052007Athe controller and press 0098to con-
firm. Setting the time
X Select Set Time
Set Time by sliding00970052or turning
00790052007Athe controller and press 0098to con-
firm. X
To set the time: slide006400520097or turn
00790052007Athe controller and press 0098to con-
firm. Setting the date
X Select Set Date
Set Date by sliding00970052or turning
00790052007Athe controller and press 0098to con-
firm. Time settings
31System settings

X
To set the date: slide006400520097or turn
00790052007Athe controller and press 0098to con-
firm. Setting the format
X Select Format
Format by sliding 00970052or turning
00790052007Athe controller and press 0098to con-
firm. i
You can set the format for the date and
time separately.
X To set the date/time format: slide
0064 00520097or turn 00790052007Athe controller and
press 0098to confirm. Favorites button (asterisk key)
i You can assign a function from the favor-
ites menu to the favorites button (star but-
ton) on the controller. X
To call up the basic menu: press0066.
X Switch to the submenu bar by sliding 00520064
the controller.
X Select Settings
Settings using the controller (slide
00950052 or turn 00790052007A) and press 0098to confirm.
X Select Assign as Favorite Assign as Favorite by sliding
009700520064 the controller and press 0098to con-
firm. Favorites menu (example: vehicle with a favorites
button)
X
Select the desired function by sliding
009700520064 the controller and press 0098to con-
firm.
The selected function is assigned to the
favorites button.
i If your vehicle has two favorites buttons,
you can assign a function to each favorites
button. The favorites menu will then have
an additional submenu where you can
choose the favorites button to which you
want to assign a function. Bluetooth
®
settings General information about Blue-
tooth
®
Bluetooth ®
technology is a standard for
short-range wireless data transmissions up to
approximately 10 meters. The Bluetooth ®
function must be activated in the Audio 20
system in order to call using hands-free mode
and to receive electronic business cards
(vCards). 32
Bluetooth ®
settingsSystem settings

Further information on telephone mode
(Y page 43).
Bluetooth ®
is a registered trademark of Blue-
tooth Special Interest Group (SIG) Inc. Activating/deactivating Bluetooth
®
X To call up the basic menu: press0066.
X Switch to the submenu bar by sliding 00520064
the controller.
X Select Settings
Settings using the controller (slide
009500520096 or turn 00790052007A) and press 0098to confirm.
X Select Activate Bluetooth
Activate Bluetooth using the
controller (slide 00C500520097) and press 0098to
confirm.
This switches Bluetooth ®
on 0073 or off 0053.
Audio 20 is now ready to utilize Blue-
tooth ®
functions, such as receiving data
from other devices or connecting mobile
phones. System language settings
X To call up the basic menu: press0066.
X Switch to the submenu bar by sliding 00520064
the controller.
X Select Settings
Settings using the controller (slide
009500520096 or turn 00790052007A) and press 0098to confirm.
X Select Language Language using the controller (slide
0097005200C5 or turn 00790052007A) and press 0098to con-
firm.
X Select the desired language and press 0098
to confirm.
The menu system is shown in the selected
language. Reset function
i You can reset Audio 20 to the factory set-
tings. Among other things, this will delete
all personal data (e.g. phone book entries),
and all system settings are returned to the
factory settings. A system reset is recom-
mended, e.g. before selling the vehicle.
X To call up the basic menu: press0066.
X Switch to the submenu bar by sliding 00520064
the controller.
X Select Settings Settings using the controller (slide
009500520096 or turn 00790052007A) and press 0098to confirm.
X Select Reset Resetand press 0098to confirm.
A prompt appears asking whether you wish
to reset.
X Select Yes YesorNo
No.
If you select Yes
Yes, a prompt will appear again
asking whether you really wish to reset.
X Select Yes
YesorNo
No and press 0098to confirm.
If you select Yes
Yes, Audio 20 will be reset and
restarted. Reset function
33System settings

34

Audio system features
.......................36
Seat functions ..................................... 36
Rear view camera ............................... 38 35Vehicle functions

Audio system features
i These Operating Instructions describe all
standard and optional equipment available
for your audio device at the time of going
to print. Country-specific deviations are
possible. Please note that your audio equip-
ment may not offer all the features descri-
bed. Seat functions
Overview
The possible settings depend on the type of
seat and the vehicle model series. For M-
Class and GL-Class vehicles with multicon-
tour seats, you can call up the following
adjustment functions:
R seat cushion length
R backrest side bolsters
R lumbar
R massage Selecting the seat
First select the seat which you wish to adjust.
X Option 1: press the 0050button next to the
controller.
X Option 2: press the 0066button.
X Select Seat
Seatand press 0098to confirm. X
To switch to the lower line, for both options
slide 00520064the controller.
X Select Driver's Seat Driver's Seat orPassenger
Passenger
Seat
Seat by turning 00790052007Athe controller and
press 0098to confirm. Adjustment functions
Adjusting the seat cushion This function allows you to adjust the length
of the seat cushion.
X
Select the seat (Y page 36).
X Select Seat Surface Seat Surface by turning00790052007Athe
controller and press 0098to confirm.
A scale appears. X
Turn 00790052007A or slide 009700520064the controller and
press 0098to confirm.
X To exit the menu: press the0038back
button.
Adjusting the seat contour in the lum-
bar region of the seat backrest This function allows you to adjust the air
cushions in the lumbar region of the backrest
(4-way lumbar support).
X
Select the seat (Y page 36).
X Select Lumbar Lumbar by turning 00790052007Athe control-
ler and press 0098to confirm.
A crosshair appears. You can make two
settings: 36
Seat functionsVehicle functions

R
Vertical: to move the point of greatest
lumbar support up or down
R Horizontal: to adjust the amount of sup-
port X
Slide 009700520064 or009500520096 the controller and press
0098 to confirm.
X To exit the menu: press the0038back
button.
Adjusting the sides of the seat backrest
(backrest side bolsters) X
Select the seat ( Ypage 36).
X Select Seatb. Sides Seatb. Sides by turning00790052007Athe
controller and press 0098to confirm.
A scale appears. X
Turn 00790052007A or009700520064 slide the controller and
press 0098to confirm.
X To exit the menu: press the0038back
button. Massage function X
Select the seat ( Ypage 36).
X Select Massage
Massage by turning 00790052007Athe con-
troller and press 0098to confirm.
A list appears.
You can select different types of massage
function:
R 0: Off 0: Off
R 1: Slow and Gentle
1: Slow and Gentle
R 2: Slow and Vigorous
2: Slow and Vigorous
R 3: Fast and Gentle
3: Fast and Gentle
R 4: Fast and Vigorous
4: Fast and Vigorous X
Turn 00790052007A or slide 009700520064the controller and
press 0098to confirm.
The massage function runs for approx-
imately 15 to 25 minutes, depending on the
setting.
X To exit the menu: press the0038back
button. Resetting all adjustments
X Select the seat ( Ypage 36).
X Select Reset Reset All
Allby turning 00790052007Athe con-
troller and press 0098to confirm.
A prompt appears. Seat functions
37Vehicle functions

X
Select Yes
YesorNo
No and press 0098to confirm.
If you select No
No, the process will be can-
celed.
After you select Yes
Yes , all seat adjustments
are reset to the default values (factory set-
ting). Rear view camera
Important safety notes
The rear view camera is only an aid. It is not
a replacement for your attention to your
immediate surroundings. You are always
responsible for safe maneuvering and park-
ing. When maneuvering or parking, make sure
that there are no persons, animals or objects
in the area in which you are maneuvering.
Under the following circumstances, the rear
view camera will not function, or will function
in a limited manner:
R the tailgate is open
R in heavy rain, snow or fog
R at night or in very dark places
R if the camera is exposed to very bright light
R if the area is lit by fluorescent light or LED
lighting (the display may flicker)
R if there is a sudden change in temperature,
e.g. when driving into a heated garage in
winter
R if the camera lens is dirty or obstructed
R if the rear of your vehicle is damaged. In
this event, have the camera position and setting checked at a qualified specialist
workshop. Activating/deactivating the display
If your vehicle is equipped with a rear view
camera, you can choose to have the rear view
camera switch on automatically. When you
engage reverse gear, the image from the rear
view camera will then be shown automatically
on the Audio display. After completion of the
maneuver, the audio display returns to the
previous screen.
i Further information on the rear view cam-
era driving system can be found in the vehi-
cle Operator's Manual.
X Press the 0066function button.
The system menu appears.
X Select Settings Settings by turning00790052007Athe con-
troller and press 0098to confirm.
X Select Activation by R gear
Activation by R gear and press
0098 to confirm.
The function is switched on 0073or off 0053,
depending on the previous status. 38
Rear view cameraVehicle functions