Backup lamps circuit for Mercedes-Benz SLK-class AMG R172 (2011-2016)

A/T BACKUP LAMP BACKUP LAMP SWITCH BLK WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L COMPUTER DATA LINES SYSTEM ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE FRONT PREFUSE BOX FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 152 FUSE 163 HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT REAR LAMP UNIT M/T PRND-D+ REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RFL (+) RFL L RFL R RIGHT REAR LAMP UNIT VIO WIRE VIO/BLK WIRE VIO/RED WIRE