1998 Mercedes-Benz ML320 Q&A

1998 Mercedes-Benz ML320 Question: Why does the Alarm sound shortly after doors have been locked using remote key.

This problem has started just recently and it now occurs every time the car is locked. I have tried using differnt remote keys to lock the vehicle but the alarm is set off each time. -
Answer 1
sounds like you may have a faulty door ajar switch,or trunk,hood switch. -
Comment 1
You were correct. My rear passenger door lock has a faulty switch. Thank you for your help. Singlemalt -
Comment 2
Your very welcome! -