Abstract: A vehicle brake system with an electronically controllable brake booster, comprising an actuation member (70, 80) transferring the actuation travel of a brake pedal to a master cylinder, which is allocated a travel limiting element (82) accepted between two abutment faces which limits the actuation travel of the actuation member (70), and a switching element (85) which upon an actuation movement of the actuation member (70) can be activated by one of the abutments (91, 91a) in order to issue a signal to the controller of the brake booster, with the traveling limiting element being arranged on the actuation member (80) between two collars (83, 84), and a carrier (86) accepting the switching element (85) being arranged between the travel limiting element and one of the collars.