Rear SAM Signal Acquisition Module Fits Mercedes-Benz M-Class W164 ML 320 CDI
164 900 48 00, 164 900 54 01 80, 164 900 72 00. A 164 900 48 00, A 164 900 54 01 80, A 164 900 72 00. Therefore, this product can be used for trailers and tractors. Will fit F ollowing M odels. -Our warranty is valid for max.