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Controls in detail
Audio system
TEL-Basic display
̈ Press button h on the audio control
unit to call up the telephone mode.
When the connected phone is ready for op-
eration, the display will look like this:
The following information is displayed in
the status bar:
ț Actual time:
04:38
ț Bluetooth
®
device name of the con-
nected phone, in this case:
blue_mobil
ț Mobile phone network signal
strength I. This information will
only be shown with suitable tele-
phones.
The bars indicate the current signal
strength of the mobile phone network
for reception. Optimum reception is in-
dicated by all bars full. All bars empty
indicates very poor or no reception.
ț Receiver symbol s or t.
The receiver symbol indicates whether
a call is being connected or is in
progress:
t - not active
ț
READY
indicates that a call is possible.
ț
NO SERVICE
indicates that the mobile
network is not available.
Setting transmit and receive volume
̈ h Ǟ
Tel
Ǟ
Phone List
.
̈ Select an mobile phone from the list.
̈ Select
Options
Ǟ
Reception Volume
or
Transmission Volume
.
̈ To set the volume: Slide qmr or
rotate ymz the audio controller.
The volume bar moves up or down.
̈ To confirm selection: Press n or
slide omp the audio controller.
i
These settings should normally not be
changed as the factory settings are matched to
most mobile phones. Find out about the opti-
mum settings for your mobile phone at an
authorized Mercedes-Benz Center.
i
Changes may result in significant impair-
ments to the transmission quality. These set-
tings may not be changed during an active phone
call.