A headlight module for outputting a low beam profile including a cut off section for projection towards a driver-side road section, the headlight module comprising: an exit lens comprising an optical axis extending through said exit lens; a low beam unit for generating at least a portion of said low beam profile, the low beam unit comprising: a first LED for generating a first luminous distribution; and a reflector structure for reflecting the first luminous distribution onto a first region of the exit lens to generate said at least portion of the low beam profile; a second beam unit in between the low beam unit and the exit lens, the further beam unit comprising: a second LED; and a collimating element being optically coupled with the second LED through a light input window and having a light output window facing the exit lens such that the light output window generates a second luminous distribution onto a second region of the exit lens, the collimating element comprising a surface including a stepped profile for generating said cut off section, wherein the second luminous distribution is a further portion of the low beam profile, said further portion including the cut off section, and wherein the stepped profile delimits the light output window, wherein the headlight module further comprises a planar shutter element positioned within the light path of the reflected first luminous distribution, substantially parallel with the surface, for creating an upper horizontal cut-off to the lower beam profile, characterized in that the planar shutter element comprising a first planar portion positioned adjacent to a first lateral side of the surface, and having a first curved front edge which curves toward the exit lens, and a second planar portion positioned adjacent to a second lateral side of the surface, and having a second curved front edge which curves toward the exit lens. an exit lens comprising an optical axis extending through said exit lens; a low beam unit for generating at least a portion of said low beam profile, the low beam unit comprising: a first LED for generating a first luminous distribution; and a reflector structure for reflecting the first luminous distribution onto a first region of the exit lens to generate said at least portion of the low beam profile; a first LED for generating a first luminous distribution; and a reflector structure for reflecting the first luminous distribution onto a first region of the exit lens to generate said at least portion of the low beam profile; a second beam unit in between the low beam unit and the exit lens, the further beam unit comprising: a second LED; and a collimating element being optically coupled with the second LED through a light input window and having a light output window facing the exit lens such that the light output window generates a second luminous distribution onto a second region of the exit lens, the collimating element comprising a surface including a stepped profile for generating said cut off section, wherein the second luminous distribution is a further portion of the low beam profile, said further portion including the cut off section, and wherein the stepped profile delimits the light output window, a second LED; and a collimating element being optically coupled with the second LED through a light input window and having a light output window facing the exit lens such that the light output window generates a second luminous distribution onto a second region of the exit lens, the collimating element comprising a surface including a stepped profile for generating said cut off section, wherein the second luminous distribution is a further portion of the low beam profile, said further portion including the cut off section, and wherein the stepped profile delimits the light output window, wherein the headlight module further comprises a planar shutter element positioned within the light path of the reflected first luminous distribution, substantially parallel with the surface, for creating an upper horizontal cut-off to the lower beam profile, characterized in that the planar shutter element comprising a first planar portion positioned adjacent to a first lateral side of the surface, and having a first curved front edge which curves toward the exit lens, and a second planar portion positioned adjacent to a second lateral side of the surface, and having a second curved front edge which curves toward the exit lens.