Lighting fixture for a vehicle

In a lighting body (1) for a vehicle with an elongated light guide element (3) and a base body (2) for fixing the light guide element (3), the light guide element (3) can be clamped to the base body (2) by means of a clamping element (4) that can be fixed to the base body (2) on both sides of the light guide element (3), and the light guide element (3) and the clamping element (4) are covered by a cover (5) fixed to the base body (2), which holds the clamping element (4) in a position that clamps the light guide element (3).