ML320 w163 passenger seat airbag sensor

Fault is the passengers seat occupational sensor, inside the seat there is a module and seat weight pad that measures the weight of the occupant to determine the speed of which the air bag deploys during a collision, the sensors and module become faulty very often, the seat pad can become faulty when the pad has not been stuck properly and this folds the circuit board like pad.
The fixes for this fault are one of 3 options
1. Replace the occupational seat sensor with new or second hand parts.
2. Replace the sensor with an emulator.
3. Do nothing and have no insurance when things go wrong