Camera monitoring system for at least one lateral area (210, 220, 230) on the passenger side of a commercial vehicle, comprising - a first image processing unit; - a first camera unit for acquiring image data from the at least one lateral area (210, 220, 230), wherein the first camera unit provides the image data to the first image processing unit for processing; - a second image processing unit; - a second camera unit for acquiring further image data from the at least one lateral area (210, 220, 230), wherein the second camera unit provides the further image data to the second image processing unit for processing; and - a data connection between the first image processing unit and the second image processing unit, characterised in that the first image processing unit and the second image processing unit are configured to process image data independently of one another and to output received image data via the data connection, in order to facilitate a redundant image acquisition for the at least one lateral area (210, 220, 230), wherein the first image processing unit and/or the second image processing unit are configured to execute at least one of the following functions: - comparing image data from overlapping data acquisition areas and, based thereon, determining the presence of a defect in the camera monitoring system; - carrying out an image transformation of image data from the first camera unit and/or the second camera unit in order to reduce distortions in horizontal image areas; - identifying road markings in the image data from the first camera unit and/or the second camera unit in order to assist lane tracking. comprising - a first image processing unit; - a first camera unit for acquiring image data from the at least one lateral area (210, 220, 230), wherein the first camera unit provides the image data to the first image processing unit for processing; - a second image processing unit; - a second camera unit for acquiring further image data from the at least one lateral area (210, 220, 230), wherein the second camera unit provides the further image data to the second image processing unit for processing; and - a data connection between the first image processing unit and the second image processing unit, - a first image processing unit; - a first camera unit for acquiring image data from the at least one lateral area (210, 220, 230), wherein the first camera unit provides the image data to the first image processing unit for processing; - a second image processing unit; - a second camera unit for acquiring further image data from the at least one lateral area (210, 220, 230), wherein the second camera unit provides the further image data to the second image processing unit for processing; and - a data connection between the first image processing unit and the second image processing unit, characterised in that the first image processing unit and the second image processing unit are configured to process image data independently of one another and to output received image data via the data connection, in order to facilitate a redundant image acquisition for the at least one lateral area (210, 220, 230), wherein the first image processing unit and/or the second image processing unit are configured to execute at least one of the following functions: - comparing image data from overlapping data acquisition areas and, based thereon, determining the presence of a defect in the camera monitoring system; - carrying out an image transformation of image data from the first camera unit and/or the second camera unit in order to reduce distortions in horizontal image areas; - identifying road markings in the image data from the first camera unit and/or the second camera unit in order to assist lane tracking. - comparing image data from overlapping data acquisition areas and, based thereon, determining the presence of a defect in the camera monitoring system; - carrying out an image transformation of image data from the first camera unit and/or the second camera unit in order to reduce distortions in horizontal image areas; - identifying road markings in the image data from the first camera unit and/or the second camera unit in order to assist lane tracking.