A mounting structure for a vehicle comprising a cover member (68, 160) of a vehicle body and a lighting device (10, 10A, 10B, 10C, 10D, 10E), the lighting device (10, 10A, 10B, 10C, 10D, 10E) comprising a base (82, 142, 164, 172) surrounded along an outer periphery thereof by the cover member (68, 160), a lens (84, 146, 166, 174) mounted on a front portion of the base (82, 142, 164, 172) and which is exposed through an opening (69, 162) defined in the cover member (68, 160), and a light-emitting diode and a reflector (96, 132, 182), which are housed in a space defined by the base (82, 142, 164, 172) and the lens (84, 146, 166, 174), wherein: the light-emitting diode is disposed in a predetermined position on a support assembly, which is supported on the base (82, 142, 164, 172) and extends into the space; characterized in that the support assembly includes a wall (112, 120, 134, 180) positioned forwardly of and in proximity to the predetermined position in which the light-emitting diode is disposed, the wall (112, 120, 134, 180) being disposed higher than the light-emitting diode, for limiting light that is emitted directly from the light-emitting diode such that a visual perception prevention range, in which direct light is prevented from being visually perceived, is increased; the support assembly includes a cavity (110, 130) that houses the light-emitting diode therein; and the wall (112, 134) comprises a portion of an inner wall, which surrounds a peripheral side portion of the light-emitting diode in the cavity (110, 130), wherein the cover member (68, 160) covers a portion of the lens (84, 146, 166, 174), so as to conceal the light-emitting diode and the support assembly when the lighting device is viewed from the front in a front elevational view, and wherein the reflector (96, 132, 182) is provided in the lighting device (10, 10A, 10B, 10C) such that an observer can visually perceive only the reflector (96, 132, 182) from the front in a front elevational view. the light-emitting diode is disposed in a predetermined position on a support assembly, which is supported on the base (82, 142, 164, 172) and extends into the space; characterized in that the support assembly includes a wall (112, 120, 134, 180) positioned forwardly of and in proximity to the predetermined position in which the light-emitting diode is disposed, the wall (112, 120, 134, 180) being disposed higher than the light-emitting diode, for limiting light that is emitted directly from the light-emitting diode such that a visual perception prevention range, in which direct light is prevented from being visually perceived, is increased; the support assembly includes a cavity (110, 130) that houses the light-emitting diode therein; and the wall (112, 134) comprises a portion of an inner wall, which surrounds a peripheral side portion of the light-emitting diode in the cavity (110, 130), wherein the cover member (68, 160) covers a portion of the lens (84, 146, 166, 174), so as to conceal the light-emitting diode and the support assembly when the lighting device is viewed from the front in a front elevational view, and wherein the reflector (96, 132, 182) is provided in the lighting device (10, 10A, 10B, 10C) such that an observer can visually perceive only the reflector (96, 132, 182) from the front in a front elevational view.