Anti theft system malfunction with beeping

08-26-2023, 04:57 PM

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rika

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GLA

Anti theft system malfunction with beeping

I have 2021 GLA for 6 month , when I open the door, the alarming beep noise goes off and anti theft system malfunction message appears. After a few seconds later alarm and message disappear so I can start car as usual. I changed key fob battery but still the same. Mercedes me APP says that car voltage is normal.

What could cause this please?

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