Sounds frustrating.  Can you put the battery charger on the vehicle and
leave that charging while you run the diagnostics?

How long is the warranty period on the 'puter?
-------------
Max
Charleston SC


On Mon, Aug 12, 2019 at 7:17 PM Floyd Thursby via Mercedes <
mercedes@okiebenz.com> wrote:

> It would not talk to the car through HHTWIN, though at first it did run
> through the diagnostics on all the systems and show check, f, or F on 8
> or 9 systems.  But then when I went to read them the HHTWIN module would
> not do anything but ask about the cable or something.  Even that
> wouldn't work.  I tried a couple times, had to reboot the computer as
> DAS thought HHTWIN was missing or corrupted or something (at least I
> think that is what the German warning message was telling me).  But
> while I was doing the tests, the RR window was randomly going down on
> its own.  Weird, I guess the tests were triggering something to make it
> do that as I was not touching any buttons, though I could raise it
> again, then after a bit it would go down again.
>
> I think this thing is extremely sensitive to battery voltage, although I
> charged it up the other day I guess I will try again and then leave the
> charger connected, or swap in another battery and see if that works.
>
> It would not talk to the $500E300 either, I think because that battery
> was quite low too.
>
> I hope this system will actually work, at least the other day on the ML
> it got a bit further on but wouldn't give me a 163 choice to read the
> systems, then it wouldn't, and it wouldn't talk to the SL600 the other
> day either even though that battery seems pretty strong.
>
> --
> --FT
>
>
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