Mercedes-Benz G-Class Owner's Manual page 291

288 Multimedia system
Select Reception volume or
#
volume.
Set the volume.
#
Further information on the recommended recep‐
tion and transmission volume: https://
www.mercedes-benz-mobile.com/
Adjusting the call and ringtone volume
Multimedia system:
System õ Audio
4 5
Select Speech volume or Ringtone
#
Set the volume.
#
Starting/stopping mobile phone voice recog‐
nition
Requirements:
The mobile phone is connected to the multi‐
R
media system ( page 284).
/
Starting mobile phone voice recognition
Press and hold the ó button on the multi‐
#
function steering wheel for more than one
second.
You can use mobile phone voice recognition.
Stopping mobile phone voice recognition
Transmission
Press the 8 or ~ button on the multi‐
#
function steering wheel.
Business telephony
Overview of business telephony operating
modes
Business telephony offers you the following
operating modes:
Telephone
5
Using SIM card (
R
volume.
Using SIM card in combination with a spe‐
R
cific mobile phone
This operating mode is mainly intended for
those using multiple SIM cards. As soon as
the mobile phone associated with the SIM
card is connected with the multimedia sys‐
tem in the vehicle, the SIM card is automati‐
cally activated for business telephony. The
association of the SIM card with the set
mobile phone prevents automatic activation
of business telephony via the SIM card if the
vehicle is borrowed by other persons, for
example (
page 288)
/
page 288).
/
Using a mobile phone with Bluetooth
R
SAP (SIM Access Profile) (
/
Using a SIM card for business telephony
Open flap 1 in the footwell at the front
#
right.
Lightly press cover 5 of the compartment
#
for the SIM card reader.
The compartment opens.
® profile
page 289)