The Safety of the Bentley Mulsanne are as follow:
| Variants | 2017 Bentley Mulsanne Extended Wheelbase | 2018 Bentley Mulsanne Speed | 2017 Bentley Mulsanne Mulsanne |
| Euro NCAP Rating | |||
| ASEAN NCAP Rating | |||
| Airbags | |||
| Driver/Front Passenger Seat Airbags | Y/Y | Y/Y | Y/Y |
| Front/Rear Side Airbags | Y/N | Y/N | Y/N |
| Front/Rear Curtain Airbags | |||
| Knee Airbags | |||
| Rear Airbags | |||
| Airbag Disable Function | |||
| Seatbelt Reminder | |||
| Autonomous Emergency Braking | |||
| Lane-keeping Alert | |||
| Blind Spot Info System | |||
| Collision Warning | |||
| ABS/EBD | Y | Y | Y |
| Electronic Stability Control(ESC) | |||
| Child Safety Lock | Y | Y | Y |
| ISOFIX | |||
| Security Alarm | Y | Y | Y |
| Immobilizer | Y | Y | Y |
