Mercedes-Benz C-class W204/S204/С204 facelift (2011-2015) front sam control unit w/ fuse, relay module (left rear of engine compt) Wiring diagrams

10 9 CAN B L CAN B H 18 17 CAN B H CAN B L 2 1 COMPUTER DATA LINES SYSTEM CAN E H CAN E L 2.1L TURBO DIESEL BLK/PNK WIRE BRN WIRE BRN/RED WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 152 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LWR RED WIRE RED/YEL WIRE SIG STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) W/O ECO START/STOP FUNCTION WINDSHIELD WASHER SYSTEM SWITCH WIPER SWITCH

3 2 SIG SIG 30 RLS 5 4 SIG SIG 5 6 8 7 9 10 31 HS 1 HS 2 HS (+) MOTOR - MOTOR + 9 10 6 7 30 31 CAN B L CAN B H BLK WIRE BLK/GRY WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY WIRE HALL SENSOR 1 HALL SENSOR 2 HOT AT ALL TIMES FUSE 17 OVERHEAD CONTROL PANEL CONTROL UNIT (W/ POWER GLASS TILTING/SLIDING SUNROOF) OVERHEAD CONTROL PANEL ELECTRONICS (C-CLASS: CENTER REAR OF TRUNK) PANORAMIC SLIDING ROOF CONTROL MODULE (LEFT FRONT OF ROOF) PANORAMIC SLIDING ROOF CONTROL UNIT PANORAMIC SLIDING ROOF HALL SENSOR 1 PANORAMIC SLIDING ROOF HALL SENSOR 2 PANORAMIC SLIDING ROOF MOTOR RED WIRE RED/BLU WIRE RED/WHT WIRE ROOF FRONT OF ROOF) MOTOR SEAT) AREA) SENSOR 1 HALL SENSOR 2 HALL SIG SIG HS 2 SIG HS 1 TILTING/ SLIDING ROOF DRIVE UNIT (GLK-CLASS: CENTER TILTING/ SLIDING ROOF SWITCH VIO WIRE W/ POWER GLASS TILTING/SLIDING SUNROOF W/ PANORAMIC SLIDING ROOF WHT WIRE YEL WIRE

1 3 CAN E H CAN E L 10 2 1 3 4 7 31 CAN E H CAN E L CAN B H CAN B L 18 17 CAN B H CAN B L 2 1 CAN E H CAN E L 30 31 2 3 1 4 (+) LIN 2 31 4 5 31 SIG 8 4 9 SIG GND SIG 9 10 CAN-B H CAN-B L ANST BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 10 FUSE 17 FUSE 13 FUSE 27 GRN WIRE GRN/WHT WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HOT W/ QUIESCENT CURRENT HOT W/ CUTOUT CIRCUIT RELAY ENERGIZED ENERGIZED INSTRUMENT CLUSTER LIN 2 NCA WIRE PNK/GRY WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK) RED WIRE RED/BLU WIRE SPRAY NOZZLE HOSE HEATER (IF EQUIPPED) STEERING COLUMN MODULE CONTROL UNIT TAILGATE WINDSHIELD WIPER RELAY TAILGATE WIPER MOTOR VIO/YEL WIRE WINDSHIELD WASHER SYSTEM FLUID LEVEL SWITCH (ON WASHER FLUID RESERVOIR) WINDSHIELD WASHER SYSTEM SWITCH WIPER MOTOR WIPER PARK HEATER (IF EQUIPPED) WIPER SWITCH YEL/BLU WIRE