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. <EOS>