It is very difficult to find the correct coding for the 3C0.035.730.B bluetooth unit as VCDS/VagCom has little information and what it does have is incomplete. The previous 729 versions have a completely different coding with binaries for MFSWs and MFDs which do not seem to apply here. I suspect that this might also only apply to SW2660 and above but am not sure. Here are two screenshots for coding:
There is also a list of codes which are not in VCDS written by derRookie on page 2 of this webpage
0: No language fallback
0: UHV Language an Audioset 1
1: UHV Language an Audioset 2
2: UHV Language an Audioset 3
6: UHV Language off
7: UHV Language off
8: UHV Language off
0: Antenne Diagnose ON; phone cradle diagnosis ON
1: Antenne Diagnose ON; phone cradle diagnosis OFF
2: Antenne Diagnose OFF; phone cradle diagnosis OFF
3: Antenne Diagnose OFF; phone cradle diagnosis ON
This gets complex as I can't get a good translation. (co-op mute means the navi gos down in volume while you are on the phone.) I have no idea what the keyboard means... it might mean the buttons in the steering wheel.
0: Radio-CAN-wake-up OFF; Keyboard wake-up OFF; Cooperative Mute OFF
1: Radio-CAN-wake-up OFF; Keyboard wake-up ON; Cooperative Mute OFF
2: Radio-CAN-wake-up ON; Keyboard wake-up OFF; Cooperative Mute OFF
3: Radio-CAN-wake-up ON; Keyboard wake-up ON; Cooperative Mute OFF
4: Radio-CAN-wake-up ON; Keyboard wake-up OFF; Cooperative Mute ON
5: Radio-CAN-wake-up ON; Keyboard wake-up ON; Cooperative Mute ON
Something about LINE wake-up on or off; something about MUTE function perhaps on or off or the key action. There is also a three button module fitted on some cars and I am not sure if this refers to the buttons in the wheel or in the console. The german refers to a three-button control module, so it is probably the buttons either in the headlining for SOS and breakdown etc or similar ones in the centre console.
1: Line-Out Wake-up ON; Mute-Ltg OFF; Buttons OFF
2: Line-Out Wake-up OFF; Mute-Ltg ON; Buttons OFF
3: Line-Out Wake-up ON; Mute-Ltg ON; Buttons OFF
5: Line-Out Wake-up ON; Mute-Ltg OFF; Buttons ON
4: Line-Out Wake-up OFF, Mute-Ltg OFF, Buttons ON
6: Line-Out Wake-up OFF, Mute-Ltg ON, Buttons ON
7: Line-Out Wake-up ON, Mute-Ltg ON, Buttons ON
8: Line-Out Wake-up OFF, Mute-Ltg OFF, Buttons OFF
I would recommend the following:
0=Uhv Language 1
3= Antenna and cradle diagnosis off. Aftermarket antennas tend to give an open circuit fault becasue of different internal resistance and most of us don't have a phone charging cradle so this will also show open circuit (baseplate).
4=For navigation use, as we want the navigation to lower in volume if we are on the phone and we want CAN wake-up. Not sure about the keyboard wake-up but we may want to enable this if it does indeed apply to MFSW. When I have one fitted I may update this.
2=Not sure on this one, but I didn't want line wake-up and have no three button control module on my car.
Applies to the following:
Hope this helps with coding.