Abstract: A motor vehicle seat having a backrest and a seat part, at least one flexible, fluid-fillable hollow body attached to the seat part or the backrest, and at least two chambers that are in fluid communication with one another. The chambers are arranged one on top of the other and have in their walls corresponding passages which enable a fluid exchange between the chambers. The chambers are firmly connected to one another in the region of the passages, wherein the volume of the lowermost chamber adjacent to the seat part or the backrest is the largest and the volume of each additional chamber is smaller compared with the volume of the chamber below it. The chambers are arranged one on top of the other such that the maximum lift of the fluid-fillable hollow body when it is being filled with fluid is outside the center of the lowermost chamber.

Abstract: A motor vehicle seat having a backrest and a seat part, at least one flexible, fluid-fillable hollow body attached to the seat part or the backrest, and at least two chambers that are in fluid communication with one another. The chambers are arranged one on top of the other and have in their walls corresponding passages which enable a fluid exchange between the chambers. The chambers are firmly connected to one another in the region of the passages, wherein the volume of the lowermost chamber adjacent to the seat part or the backrest is the largest and the volume of each additional chamber is smaller compared with the volume of the chamber below it. The chambers are arranged one on top of the other such that the maximum lift of the fluid-fillable hollow body when it is being filled with fluid is outside the center of the lowermost chamber.

Abstract: A motor vehicle seat having bubbles that can be filled with fluid, a controller, and a line system connected to the bubbles. The bubbles can be filled or emptied according to the controller. First bubbles are arranged in the backrest and the seat part of the motor vehicle seat in a two-column arrangement on either side of the spine contact region of the backrest, beneath the thigh contact region, or beneath the contact region of the hip bones. Second bubbles may be arranged in the side flanges region of the seat and/or backrest or in the lumbar support or head support regions. The controller outputs a haptic signal when a predefined event occurs to inform a vehicle occupant that as event has occurred, by the controller applying a predefined filling or emptying pattern to at least one of the first and/or second bubbles.