Why does my 7 lb dog set off the security alarm when left in my locked 2003 M150 SUV & how can I prevent it?

Asked by Jan 10, 2015 at 06:20 PM about the Mercedes-Benz M-Class

Question type: General

When I lock my 2003 SUV the security alarm goes off if my 7# dog moves about in the vehicle.  Is there a motion detector in the vehicle? It doesn't seem to happen if I leave a person in the vehicle when it is locked.

3 Answers

65

Before leaving vehicle, DISABLE the alarm's motion sensor by pressing the "motion sensor disable" switch that is near the sunroof controls. It is represented by a tow truck and hook. Just push once. Leave vehicle, close door, and lock it via the remote.

1 of 1 people found this helpful.
Best Answer

Probably the glass. If the pooch disturbs the windows by putting paws on .... that will trigger alarm, as if somebody is trying to use a slim-jim---the alarm is sensitive to that

Ah, ok. Good call Advance. Didn't know it had that

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