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Hello, i just bought a prefacelift C320 with navigation audio 30 APS and i wonder how dificult will be to upgrade it to comand 2.0 since the car already have at least GPS antenna...
I did a lot of retrofitings to my C32 including factory alarm system, so messing up with wires is not a problem, just need to have a clue about the retrofit
I swapped out the Audio 30 for a command some years ago. The physical installation wasn't too bad. I believe the wiring was plug and play except for the aux jack in the glove box - I bought an adapter cable and spliced it into some wiring along the front passenger foot well. I believe I used the 'noisy air conditioner/stepper motor replacement' tutorial to disassemble to the point where you can replace the radio.
To be totally honest, I went with the command because I wanted to keep everything stock looking but have found myself regretting not upgrading to a newer unit (i.e. a Pioneer/Kenwood or something along those lines).
Thanks mate! I'm not afraid of the dismantling, i did it many times to my C32|
You sure every wirings was just plug&play?
The AUX wire is not big problem i think, i must see if the 320 have aux in the glovebox, if not i will buy the correct one and add it to the new 2.0 unit
I think i will need the plastic holder to accommodate the 2.0?
I'm also fan of the OEM look and for that reason want to add 2.0 yes it's useless here because there are no maps available for my country... But it looks better than any aftermarket headunit or the audio 30 APS
The connectors on the back of the audio 30 are A, B, C, D2B, antenna and FM diverse.
The connectors on the back of the command are A, B, C1, C2, D2B, Antenna, FM diverse and GPS antenna.
You need an adapter to go from the C connector to C1 & C2, and you need a GPS antenna with appropriate connector. Everything else is plug and play, and with the correct C->C1/C2 adapter that is plug and play too.
Some Mercedes come with a GPS antenna installed in the rear of the car (passenger side pillar?) so in that case you would run co-ax cable from there up to the front of the car (along the side of the foot wells) up to the command. Mine didn't have the factory GPS antenna so I bought a stand alone and placed it up front under the dash. The first GPS antenna I bought mucked up the connector on the command unit and I had to send it to Midwest Audio (I believe) to have the connector replaced. I think I even had to do that twice because the person I bought the antenna from insisted it wasn't the antenna connector's fault (bought from a place in New York who does audio installs on Mercedes and is/was on this forum). I bought one from EBay and it worked like a charm.
For the aux input in the glove box I bought a harness with 'pin sockets' at one end and the 1/8" audio jack assembly (i.e. mounting stuff for the glove box) at the other end. I had to find the correct connector in the side of the passenger foot well and insert the pin sockets into the female part of that connector, then run the harness up to the glove box.
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