Motor vehicle safety arrangement and method

Embodiments herein relate to a motor vehicle (30) safety arrangement (10) and method for positioning an occupant properly on a vehicle seat and restraining the occupant thus positioned in preparation of the vehicle (30) potentially being subject to a rear-end collision. A safety belt (B 1 , B 2 ...B n ) is associated with the vehicle seat and an electric reversible safety belt retractor (R 1 , R 2 ...R n ) associated with the safety belt (B 1 , B 2 ...B n ). A rearward-looking detection system (D 1 ) detects and classifies the collision risk for an approaching object. At least one sensor (S 1 , S 2 ...S n ) monitors one or more vehicle parameters. A control unit (20) determines a driving state as critical or non-critical from the monitored vehicle parameters. The control unit (20) controls the electric reversible safety belt retractor (R 1 , R 2 ...R n ) to apply a predetermined pullback force on the safety belt (B 1 , B 2 ...B n ) in response to the collision risk for an approaching object being classified as high within a predetermined time of an indicated critical driving state.