Lighting unit and trim part with interior lighting device

Lighting unit (1) for interior lighting of a motor vehicle, - at least one light source (2) for emitting light, - coupled with at least one light guide (3) connected to the light source (2) from the light source (2) passes emitted light and emits the light on a front side of the light guide via at least one light outlet window (8), - with a common housing for the light source (2) and the light guide (3) and - with a fastening means (5, 6) for fastening the light unit (1) on an interior trim (10) of the motor vehicle, the insertion ribs (6) which the guide and adjustment of the light unit (1) when inserted into a recess (11) the interior trim (10) are used, and a fastening clip (5) which is adapted for fixing and positioning the light unit (1) at a corresponding position of the interior trim (10) engage.