Mercedes-Benz S-class W221 facelift (2009-2013) engine compartment prefuse box Wiring diagram

1 2 3 FLAT WIRE FLAT WIRE FLAT WIRE 1 2 CAN B L CAN B H 10 11 CAN-E H CAN-E L 14 5 13 11 12 9 3 1 7 H+ GND MLS- MLS+ H+ GND MLS- MLS+ 31 16 15 CAN-B L CAN-B H 3 2 1 DATA 31 UB BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT PREFUSE BOX FLAT WIRE FLAT WIRE FLAT WIRE FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) FUSE (RIGHT REAR ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT SEAT OPERATION SWITCH GROUP MEMORY 1, 2, 3 SWITCH MEMORY SWITCH RAISE/LOWER, FORWARD/ BACKWARD SWITCH RED WIRE RED/WHT WIRE RED/YEL WIRE STEERING COLUMN IN/OUT MOTOR STEERING COLUMN MODULE (TOP OF STEERING COLUMN) STEERING COLUMN UP/DOWN MOTOR