The four self-locking nuts used to attach the airbag might not have been correctly tightened. As a result, in the event of an accident in which the airbag was deployed, it could become detached from its base plate, failing to provide its restraining effect and increasing the risk of injuries.
The Mercedes-Benz B-Class models affected by this recall were manufactured between May 2018 and September 2019.
Mercedes recall code: 9192105
Source: Rapex Alert 2/2020 A12/00069/19