A lighting device for a rear-viewing device of a motor vehicle includes at least one housing device, at least one lens, and at least one light guide device arranged at least in certain areas between the housing device and the lens. Light produced from at least one light source can be coupled into the light guide device, and the light guide device on the one hand and the housing device and/or the lens on the other hand are at least in certain areas connected to one another by means of overmolding, at least in certain areas, the light guide device. A method for producing such a lighting device is also described.