Does anyone know under what parameters the airbags on a 1999 E430 would deploy on a frontal impact?

The car hit a pole square on at about 25mph and the bags didn't deploy.

Is it speed or a G-force or a combo?

Thanks

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Steve
1989 560 SEC

I'm pretty certain they only work above a certain speed, and also that the sensors don't work on G-force, but something else

Unless someone's badly injured because of it (I suspect you're in America so you'll sue if that's the case) you should be glad - they are very expensive to replace.

later..

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There isn't any printed speed thresholds for deployment of the bag BUT if the seat belts are fastened, then the threshold is raised to the highest level. I would think around 25 MPH for a direct frontal impact would be criteria for bag deployment. The crash sensor does RECORD crash info.

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