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.

__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator