Mercedes-Benz CLS-class C257 (2017-2021) Backup lamps circuit

BACKUP RELAY BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BUL (+) HECKL BUL (+) HECKR CAN B H CAN B L COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT FUSE 477 GRY/BLU WIRE HOT AT ALL TIMES LEFT REAR LAMP UNIT N/A REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/GRY WIRE RES FUSE 481 RES FUSE 482 RIGHT REAR LAMP UNIT