A driver monitoring system (10) for a motor vehicle configured to track pupil of a driver (12) of the motor vehicle comprises a first camera device (14) including a first main optical axis (O1), said first camera device (14) being configured to capture a first set of images of the pupils of the driver (12)； a first illumination device (16) including a first main light axis (L1), said first illumination device (16) being configured to illuminate the pupils of the driver (12) during a capture operation of the first set of images； a second camera device (18) including a second main optical axis (O2), said second camera device (18) being configured to capture a second set of images of the pupil of the driver (12)； a second illumination device (20) including a second main light axis (L2), said second illumination device (20) being configured to illuminate the pupil of the driver (12) during a capture operation of the second set of images； a first camera assembly (22) comprising the first camera device (14) and the second illumination device (20)； and a second camera assembly (24) comprising the second camera device (18) and the first illumination device (16).
