A brake release mechanism for a spring brake actuator, in particular a parking or emergency spring brake actuator for use in a commercial vehicle, said release mechanism comprising: - a brake release bolt (30, 130) having a threaded portion (34, 134) and an operating section (18, 118) for operating the release bolt (30, 130) when inserted into a spring brake actuator, - a running nut (12, 112) engaging the threaded portion (34, 134), said running nut (12, 112) being adapted to axially travel along the threaded portion (34, 134) in order to move a spring brake actuator piston against a force of an actuator power spring, - an indicator device (22, 122) comprising an indicator pin (26, 126) having a longitudinal axis (28, 128) and being at least partially accommodated in a receiving space (36, 136) of the release bolt (30, 130), wherein the indicator device (22, 122) further comprises a pin actuator (38, 138) that is configured to move the pin (26, 126) relative to the receiving space (36, 136) along its longitudinal axis (28, 128), characterized in that the pin actuator (38, 138) comprises a limiting element (40, 140) that is connected to the indicator pin (26, 126), wherein the limiting element (40, 140) extends substantially perpendicularly to the longitudinal axis (28, 128) of the indicator pin (26, 126), and in that a transverse guide opening (42, 142) is arranged in the release bolt (30, 130), the transverse guide opening (42, 142) being configured to movably accommodate the limiting element (40, 140) and the movement to define a motion distance (d) of the indicator pin (26, 126) along the longitudinal axis (28, 128) along which the limiting element moves inside the transverse guide opening. - a brake release bolt (30, 130) having a threaded portion (34, 134) and an operating section (18, 118) for operating the release bolt (30, 130) when inserted into a spring brake actuator, - a running nut (12, 112) engaging the threaded portion (34, 134), said running nut (12, 112) being adapted to axially travel along the threaded portion (34, 134) in order to move a spring brake actuator piston against a force of an actuator power spring, - an indicator device (22, 122) comprising an indicator pin (26, 126) having a longitudinal axis (28, 128) and being at least partially accommodated in a receiving space (36, 136) of the release bolt (30, 130), wherein the indicator device (22, 122) further comprises a pin actuator (38, 138) that is configured to move the pin (26, 126) relative to the receiving space (36, 136) along its longitudinal axis (28, 128), characterized in that the pin actuator (38, 138) comprises a limiting element (40, 140) that is connected to the indicator pin (26, 126), wherein the limiting element (40, 140) extends substantially perpendicularly to the longitudinal axis (28, 128) of the indicator pin (26, 126), and in that a transverse guide opening (42, 142) is arranged in the release bolt (30, 130), the transverse guide opening (42, 142) being configured to movably accommodate the limiting element (40, 140) and the movement to define a motion distance (d) of the indicator pin (26, 126) along the longitudinal axis (28, 128) along which the limiting element moves inside the transverse guide opening. wherein the indicator device (22, 122) further comprises a pin actuator (38, 138) that is configured to move the pin (26, 126) relative to the receiving space (36, 136) along its longitudinal axis (28, 128), characterized in that the pin actuator (38, 138) comprises a limiting element (40, 140) that is connected to the indicator pin (26, 126), wherein the limiting element (40, 140) extends substantially perpendicularly to the longitudinal axis (28, 128) of the indicator pin (26, 126), and in that a transverse guide opening (42, 142) is arranged in the release bolt (30, 130), the transverse guide opening (42, 142) being configured to movably accommodate the limiting element (40, 140) and the movement to define a motion distance (d) of the indicator pin (26, 126) along the longitudinal axis (28, 128) along which the limiting element moves inside the transverse guide opening.