Lighting device for a motor vehicle headlight, comprising - a first light guide, which is set up to guide light from a light source and to radiate it along a first direction (x) - a second light guide which is arranged to guide light from a light source and to radiate it along a second direction (y); - an optical device arranged to emit light from the first and second light guides as an optical light function into a traffic space, wherein the optical device comprises a first light coupling surface, a first light decoupling surface associated with the first light coupling surface, a second light coupling surface and a second light decoupling surface associated with the second light coupling surface, wherein the first light guide is arranged relative to the first light coupling surface in such a way that the light of the first light guide can be coupled into the optical device via the first light coupling surface, the light coupled in by the first light guide passing through the optical device and being able to be coupled out via the first light decoupling surface, wherein the second light guide is arranged relative to the second light coupling surface in such a way that the light of the second light guide can be coupled into the optical device via the second light coupling surface, wherein the light coupled in by the second light guide passes through the optical device and can be coupled out via the second light decoupling surface, wherein the first light decoupling surface is formed from a plurality of first surface elements and the second light decoupling surface is formed from a plurality of second surface elements, characterized in that the first and second surface elements are arranged alternately to one another in such a way that they essentially form a stepped structure, a first surface element with a subsequent second surface element in each case forming a step, the first surface element forming an angle of 45° to 135°, preferably essentially 90°, with the subsequent second surface element. - a first light guide, which is set up to guide light from a light source and to radiate it along a first direction (x) - a second light guide which is arranged to guide light from a light source and to radiate it along a second direction (y); - an optical device arranged to emit light from the first and second light guides as an optical light function into a traffic space, wherein the optical device comprises a first light coupling surface, a first light decoupling surface associated with the first light coupling surface, a second light coupling surface and a second light decoupling surface associated with the second light coupling surface, the first light guide is arranged relative to the first light coupling surface in such a way that the light of the first light guide can be coupled into the optical device via the first light coupling surface, the light coupled in by the first light guide passing through the optical device and being able to be coupled out via the first light decoupling surface, wherein the second light guide is arranged relative to the second light coupling surface in such a way that the light of the second light guide can be coupled into the optical device via the second light coupling surface, wherein the light coupled in by the second light guide passes through the optical device and can be coupled out via the second light decoupling surface, wherein the first light decoupling surface is formed from a plurality of first surface elements and the second light decoupling surface is formed from a plurality of second surface elements, characterized in that the first and second surface elements are arranged alternately to one another in such a way that they essentially form a stepped structure, a first surface element with a subsequent second surface element in each case forming a step, the first surface element forming an angle of 45° to 135°, preferably essentially 90°, with the subsequent second surface element.