A charge port door assembly for a vehicle, comprising: - a charge port door; - an actuation system, configured to move the charge port door between a closed position, in which the door is intended to cover a charge port of a vehicle and to remain flush with an outer surface of the vehicle, and an open position, in which the door is intended to permit access to the charge port, the actuation system comprising a linkage connecting the door to a support intended to be fixed relative to the vehicle, and an actuator configured to actuate the linkage to move the door, the linkage comprising at least a first lever rotatably coupled to the door, the actuation system further comprising at least an actuation arm being directly or indirectly connected at a first end to an output member of the actuator, and connected at an opposite, second end to a tilting member, the actuation arm being movable between a first position corresponding to the closed position of the door and a second position corresponding to the open position of the door, characterized in that the tilting member comprising a tilting lever and an elastic biasing device, the tilting lever being rotatably coupled to the actuation arm, and being rotatably coupled to the first lever, so as to be moveable relative to the first lever between a blocking position and an extended position, the elastic biasing device being configured to bias the tilting lever towards the blocking position. - a charge port door; - an actuation system, configured to move the charge port door between a closed position, in which the door is intended to cover a charge port of a vehicle and to remain flush with an outer surface of the vehicle, and an open position, in which the door is intended to permit access to the charge port, the actuation system comprising a linkage connecting the door to a support intended to be fixed relative to the vehicle, and an actuator configured to actuate the linkage to move the door, the linkage comprising at least a first lever rotatably coupled to the door, the actuation system further comprising at least an actuation arm being directly or indirectly connected at a first end to an output member of the actuator, and connected at an opposite, second end to a tilting member, the actuation arm being movable between a first position corresponding to the closed position of the door and a second position corresponding to the open position of the door, characterized in that the tilting member comprising a tilting lever and an elastic biasing device, the tilting lever being rotatably coupled to the actuation arm, and being rotatably coupled to the first lever, so as to be moveable relative to the first lever between a blocking position and an extended position, the elastic biasing device being configured to bias the tilting lever towards the blocking position. the linkage comprising at least a first lever rotatably coupled to the door, the actuation system further comprising at least an actuation arm being directly or indirectly connected at a first end to an output member of the actuator, and connected at an opposite, second end to a tilting member, the actuation arm being movable between a first position corresponding to the closed position of the door and a second position corresponding to the open position of the door, characterized in that the tilting member comprising a tilting lever and an elastic biasing device, the tilting lever being rotatably coupled to the actuation arm, and being rotatably coupled to the first lever, so as to be moveable relative to the first lever between a blocking position and an extended position, the elastic biasing device being configured to bias the tilting lever towards the blocking position.