Becker Grand Prix Mercedes SL 560 US Version 0028203886 Model Nr 780 Code

[username0815]

Hi Everybody,

the unit shows only " - - - - "
Can someone decode this unit?

I read in other forums that it has something to do with the alarm system in the car
and noone in Europe can help.

some hints?


regards

[criollo]

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[username0815]

here are pictures