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IPod Touch and Mercedes Benz

2538 Views 8 Replies Latest reply: Oct 14, 2009 2:13 PM by elkriverken RSS
elkriverken Level 1 Level 1 (15 points)
Currently Being Moderated
Oct 12, 2009 10:01 AM
Recently obtained a Mercedes Benz with iPod integration kit. Directions indicate that iPod Touch not a compatible item, and indeed it does not work. Does anyone know of a workaround that allows the Touch music to play in this car? Thanks.
Powerbook G4, Mac OS X (10.5.7)
  • rockmyplimsoul Level 5 Level 5 (5,375 points)
    Currently Being Moderated
    Oct 12, 2009 10:17 AM (in response to elkriverken)
    There are a few threads around here that indicate that starting with 3.0 various car manufacturers' iPod integration got fouled up (MB included). What version OS do you have on your Touch? If it is 3.0 or higher then the solution may be to step back to a 2.x version, but you might check with your dealer to see if MB has a firmware update for the stereo system. If not, then you may be looking at putting the Touch into "DFU mode" and then installing an earlier OS version.
    Windows XP Pro, "Cogito, ergo iPod." (I Think, Therefore iPod)
  • rockmyplimsoul Level 5 Level 5 (5,375 points)
    Currently Being Moderated
    Oct 13, 2009 10:12 AM (in response to elkriverken)
    DFU = Device Firmware Update. It reboots the Touch but prevents the resident OS from being loaded, and iTunes detects it as a device that needs to be restored (which lets you install a prior OS version).

    To put into DFU mode, connect the Touch to the computer with iTunes running, press and hold the Sleep and Home buttons until the iPod screen goes black, then release the Sleep button but keep holding the Home button until iTunes tells you it found a device in recovery mode. It may take a few tries since the timing is kind of tricky, but you'll get the hang of it. Once in DFU mode, you then do a Shift-Restore to select a prior OS version on your computer. The OS files have the revision as part of their filename and have an .ipsw extension, and can be found here:

    PC: C:\Documents and Settings\(account name)\Application Data\Apple Computer\iTunes\iPod Software Updates

    Mac: Library/iTunes/iPod Software Updates

    When you hold the Shift key as you restore, a dialog box will prompt you to find the OS file. Just navigate to this folder and select the OS file, but you have to have it on your computer (obviously) so you have to have done an update to a 2.x revision on your computer in order to have the OS file. If you can't find the 2.x OS file, then there are sites that host these files, but you're taking a risk getting the OS from some unknown party.
    Windows XP Pro, "Cogito, ergo iPod." (I Think, Therefore iPod)
  • Sam11 Level 1 Level 1 (130 points)
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    Oct 13, 2009 11:39 AM (in response to rockmyplimsoul)
    It's option + click on a mac, not shift + click.
    MacBook
  • rockmyplimsoul Level 5 Level 5 (5,375 points)
    Currently Being Moderated
    Oct 13, 2009 11:41 AM (in response to Sam11)
    Sam11 wrote:
    It's option + click on a mac, not shift + click.


    Thanks, I completely missed that he's on a Mac.
    Windows XP Pro, "Cogito, ergo iPod." (I Think, Therefore iPod)
  • rockmyplimsoul Level 5 Level 5 (5,375 points)
    Currently Being Moderated
    Oct 14, 2009 1:20 PM (in response to elkriverken)
    elkriverken wrote:
    Rock: Questions:
    1. Will this change or delete material and/or apps on the touch?


    You won't lose anything as long as all your media and Apps exist in your iTunes library. You'll have to re-load them onto the Touch, but they won't be removed from your computer. After installing a down-rev OS version you might be able to re-load your last backup, but not if you step down to a lower major revision (i.e. 2.x). No matter what, you will have to re-load your Touch's contents, and if your last backup can be used during the Restore process (using your 3.1.1) then all your Music, Apps, Video, Contacts, Web links, etc. will all be restored (unless you manually manage your music, in which case you'll have to re-select what to load).

    However, as I said stepping down to 2.x (or 1.x) requires setting the Touch up as a new iPod, which means re-doing everything, including your Contacts, web links, etc. You won't lose any Apps, Music, etc. as long as they exist in your iTunes library.

    2. Using Powerbook G4, I found a "home" key, but no "sleep" key.


    No, Home and Sleep are the two buttons on your Touch

    3. I of course have a "shift" key, but where is the "restore" found?


    Since you're on a Mac, you need to hold the Opt key, not Shift (my bad). The Restore button is what you see in iTunes when your Touch is connected (below the picture of your Touch). After getting into DFU mode, hold down your Opt key as you click Restore, then navigate to where the .ipsw file is located.

    4. In my library I have <iPod 1, 13.1.1_7C145Restore.ipsw>. I assume no 2.x, only 1.x, correct?


    That could very well be. If you never did a firmware update to a 1.x or 2.x OS version from this computer, then you would not have these versions on this computer. Try the 3.1.1 to see if that gets your Touch communicating with your MB stereo. If not, then you will have to see if MB has its own firmware update for their stereo system, or try to find a 2.x OS version (I wouldn't step all the way down to 1.x).
    Windows XP Pro, "Cogito, ergo iPod." (I Think, Therefore iPod)

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