The invention describes a belt buckle (10) for a motor vehicle comprising a belt buckle housing (12) as well as a lighting unit (20) present in the area of a tongue insertion opening (36) and including a lamp (22) and a light conductor (16). A front panel (14) surrounding the tongue insertion opening (36) is provided which limits the belt buckle (10) on the end face. The front panel (14) is coupled to the belt buckle housing (12) via at least one detent mechanism (24, 30) such that the light conductor (16) provided at least partially between the front panel (14) and the belt buckle housing (12) is aligned. The invention further describes a method for manufacturing a belt buckle (10).