A mounting assembly for a control pedal of a vehicle includes two walls arranged in parallel in relation to each other, a pivot shaft extending between the walls, two locking structures arranged to pivotally retain the pivot shaft in a use position between the walls, and at least a control pedal rigidly provided on the pivot shaft. The control pedal and the pivot shaft are rotatable around an axis of rotation. Further, the mounting assembly is provided with a joint including at least one lock protrusion provided on at least true of the locking structures and an internal groove provided on at least one of the walls. The at least one lock protrusion is arranged to engage with the internal groove, when the locking structure is in a use position. Further, the at least one of the locking structures further includes a rotating prevention protrusion extending radially from an outer surface of the locking structure, the rotating prevention protrusion being arranged to engage with a stop arranged at the at least one of the walls, when in the use position.