Mercedes-Benz Metris W447 (2015-2024) Rear defogger circuit

AIR CONDITIONING CONTROL, OPERATING UNIT (FRONT, REAR KLA) BLK WIRE BRN WIRE FIREWALL FUSE, RELAY MODULE FUSE 35 GRY WIRE HEATED REAR WINDOW RELAY HOT AT ALL TIMES HSH RT LEFT REAR END DOOR REAR WINDOW HEATER PREFUSE BOX REAR WINDOW HEATER RED WIRE RIGHT REAR END DOOR REAR WINDOW HEATER W/ TWO LEAF REAR END DOOR W/O TWO LEAF REAR END DOOR