2014 MERCEDES-BENZ C-Class battery

Remote control
Overview 0043
Switches the screen on/off
0044 Switches the button lighting on/off
0087 Selects the screen for the remote control
0085 Selects a menu or menu item
0083 Confirms a selection or setting
0084 Switches the sound on/off (for corded
headphones)
006B Adjusts the volume (for corded head-
phones)
006C Skips to a track, fast-forward/fast-rewind
006D Selects a track; direct entry
006E Exits a menu (back) Selecting the screen for the remote
control You can use the remote control to operate
one of the two rear screens at a time. To do
so, you must switch the remote control to the
desired screen.
X
To select the left-hand screen: turn
thumbwheel 0087until "L REAR" is high-
lighted in the window.
X To select the right-hand screen: turn
thumbwheel 0087until "R REAR" is high-
lighted in the window.
Switching the screen on/off i
If the SmartKey is in position 0or 1in the
ignition lock (see the vehicle Operator's
Manual), or the SmartKey is not inserted,
the screens in the rear will switch off after
30 minutes.
Before the screens switch off, they show a
message to this effect.
You can switch the screens back on. How-
ever, this will discharge the starter battery.
X Point the remote control at the rear-com-
partment screen which has been selected
for remote operation.
X Press button 0043on the remote control.
The respective rear screen switches on or
off.
i You can only switch the screens on using
the remote control if the ignition is
switched on.
Switching the button lighting on/off X
Press button 0044on the remote control.
Depending on the previous status, the but-
ton lighting is switched on or off.
i If you do not use the remote control for
about 15 seconds, the button lighting
switches off automatically. Rear Seat Entertainment
25At a glance

Cordless headphones
Overview 0043
Volume control
0044 Selects a screen for the headphones
0087 Battery compartment cover
0085 Switches the cordless headphones on/off
0083 Indicator lamp with various displays (Y page 27)
X Open both sides of the headphones and adjust the fit of the headphones by pulling the
headphone band in the direction of the arrow.
Switching the cordless headphones
on/off X
Press button 0085.
Depending on the previous status, the
headphones are switched on or off.
To save the battery, the headphones are
switched off automatically if they do not
receive an audio signal within three
minutes.
Adjusting the volume of the head-
phones X
Turn volume control 0043until the desired
volume has been set.
i If you have connected corded head-
phones to a rear-compartment screen, you can adjust the volume by pressing buttons
006B on the remote control (Y page 25).
Selecting a screen for the headphones X
Move push slider 0044toL(left-hand screen)
or R(right-hand screen).
Indicator lamp displays The color of the indicator lamp shows
whether the headphones are switched on or
off and indicates the charge level of the bat-
teries inserted. Rear Seat Entertainment
27At a glance

Function restrictions
The telephone is not ready for use in the fol-
lowing situations:
R The telephone automatically tries to log on
to a network. If no network is available, you
may not be able to make a " 911" emer-
gency call. If you attempt to make an out-
going call, the No Service
No Service message will
appear for a short while.
If Audio 20 is switched off during a call in
hands-free mode, the call is disconnected.
You can prevent this as follows: before
switching off Audio 20, switch the mobile
phone to "Private mode" (see the mobile
phone operating instructions). "911" emergency call
The 911 emergency call is a public service.
Using it without due cause is a criminal
offense.
The following requirements must be fulfilled
for a 911emergency call:
R the mobile phone must be switched on.
R a network must be available.
R a valid and operational SIM card must be
inserted in the mobile phone.
R the mobile phone must be connected to
Audio 20 via Bluetooth ®
.
If you cannot make an emergency call, you
must arrange rescue measures yourself.
X Enter numbers on Audio 20 (Y page 50).
X Press 0061.
The telephone makes the connection.
X Wait until the emergency call center
answers and describe the emergency sit-
uation. Telephony via the Bluetooth
®
inter-
face Prerequisites
To use Bluetooth ®
interface telephony in con-
junction with Audio 20, you need a Blue-
tooth ®
-capable mobile phone.
On Audio 20
X Activate the Bluetooth ®
function on
Audio 20 (Y page 33).
On the mobile phone
X Switch on the mobile phone and enter the
PIN when prompted to do so (see the
mobile phone operating instructions).
X Activate Bluetooth ®
functions and, where
necessary, Bluetooth ®
visibility on the
mobile phone (see the mobile phone oper-
ating instructions).
The battery of the mobile phone should
always be kept sufficiently charged in order
to prevent malfunctions.
In preparation for telephoning via the Blue-
tooth ®
interface, you should check the fol-
lowing items on your mobile phone (see the
mobile phone operating instructions):
R Hands-Free Profile
The mobile phone must support Hands-
Free Profile 1.0 or above.
R Bluetooth ®
visibility
On some mobile phones, it is not enough to
activate only the Bluetooth ®
function. Your
device must also be made "visible" to other
devices (see the mobile phone operating
instructions).
This visibility is for restricted periods of
time on some mobile phones.
R Bluetooth ®
device name
Every Bluetooth ®
device has its own Blue-
tooth ®
device name. This device name is
freely definable, but can be identical for all
devices from the same manufacturer. It is
therefore recommended that you change
this name so that you can easily recognize Telephony via the Bluetooth
®
interface 43Telephone Z

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. General information
Replacing batteries
Batteries are required for the remote control
and for the two sets of cordless headphones. G
WARNING
Batteries contain toxic and corrosive substan-
ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatal
injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately. H
Environmental note
Dispose of discharged batteries in an envi-
ronmentally responsible manner. 0043
Battery compartment
0044 Catch tab
0087 Battery compartment cover
0085 Retaining lugs
0083 Batteries
The remote control contains two AAA, 1.5 V
batteries.
X To open the battery compartment:
remove battery compartment cover 0087on
the back of the remote control.
X To do so, push catch tab 0044downwards and
take off battery compartment cover 0087.
X Remove discharged batteries 0083from the
tray.
X Insert the new batteries. Observe the polar-
ity markings on the batteries and battery
compartment when doing so.
Left-hand battery: the positive pole (+)
must face upwards.
Right-hand battery: the positive pole (+)
must face downwards.
X To close the battery compartment:
insert battery compartment cover 0087start-
ing with retaining lugs 0085into the battery
compartment and allow catch tab 0044to
engage in place. 88
General infor
mationRear SeatEntertainment

On the cordless headphones
The battery compartment cover is located on
the left headphone. 0043
Battery compartment cover
The cordless headphones contain 2 type AAA,
1.5 V batteries.
X To open the battery compartment: flip
battery compartment cover 0043upwards.
As you do so, hold the left-hand side of the
headphones as shown to prevent the bat-
teries from falling out.
X Remove the discharged batteries from the
tray.
X Insert the new batteries. Observe the polar-
ity markings on the batteries and battery
compartment when doing so.
Left-hand battery: the positive pole (+)
must face upwards.
Right-hand battery: the positive pole (+)
must face downwards.
X To close the battery compartment:
press battery compartment cover down-
wards until it engages into place.
If the batteries have been inserted cor-
rectly, the indicator lamp will light up green
when the headphones are switched on.
i The operating duration of the headphones
with a set of batteries is up to 40 hours. Basic functions
Introduction
The following operating modes are available
for the Rear Seat Entertainment System:
R CD/DVD audio and MP3 mode
(Y page 91)
R Video DVD operation (Y page 91)
R AUX mode (Y page 101)
In AUX mode, you can view external video
sources which are connected either to the
rear screens (display AUX) or to the CD/
DVD drive (drive AUX).
The system settings allow you to adjust
screen-related settings, such as the design
and the language (Y page 90). Using headphones
You can use the cordless headphones sup-
plied and/or up to two sets of corded head-
phones connected to the corresponding jack
of the rear-compartment screens
(Y page 24). Adjusting the sound settings
Call up the menu for the respective mode:
R Audio CD (Y page 92)
R Audio DVD (Y page 92)
R MP3 (Y page 92)
R Video DVD (Y page 97)
R AUX (Y page 102)
X Select Treble Treble orBass
Bass and press the 008B
button to confirm.
An adjustment scale appears.
X To make a setting: press the0063
or 0064 button until the desired format has
been selected.
X To confirm your selection: press the008B
button. Basic functions
89Rear Seat Entertainment Z