Mercedes-Benz C-class W204/S204/С204 facelift (2011-2015) front electrical prefuse box (at right rear of engine compt) Wiring diagrams

1.8L TURBO 2.1L TURBO DIESEL 3.5L 18 17 CAN B H CAN B L 2.1L TURBO DIESEL 31 30 CAN B L CAN B H 39 38 42 55 42 55 CAN C H CAN C L ADDITIONAL BATTERY ADDITIONAL BATTERY RELAY CIRCUIT 30 ADDITIONAL FUSE ALTERNATOR BATTERY LIN SENSOR (C-CLASS: ON BATTERY) (GLK CLASS: ON BATTERY NEGATIVE POST) BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DECOUPLING RELAY FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL UNIT W/ FUSE AND RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUNCTION ADDITIONAL BATTERY RELAY FUSE FUSE 159 GLOW OUTPUT STAGE (2.1L TURBO DIESEL) GRY/YEL WIRE INSTRUMENT CLUSTER LIN MULTI-FUNCTION DISPLAY ON-BOARD ELECTRICAL SYSTEM BATTERY REAR SAM CONTROL UNIT W/ FUSE AND RELAY MODULE CIRCUIT 30 FUSE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK) RED WIRE RED/BLU WIRE STARTER TERMINAL BLOCK (CIRCUIT 30) W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION

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

ADJUSTMENT MOTOR (IN FRONT PASSENGER'S SEAT BACK) BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR (IN DRIVER'S SEAT BACK) DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR (UNDER DRIVER'S SEAT) DRIVER SEAT HEIGHT ADJUSTMENT MOTOR (UNDER DRIVER'S SEAT) DRIVER SEAT INCLINATION ADJUSTMENT MOTOR (UNDER DRIVER'S SEAT) FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT PASSENGER SEAT BACKREST INCLINATION FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSENGER SEAT INCLINATION ADJUSTMENT MOTOR FUSE FUSE FUSE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED FUSE LEFT FRONT BACKREST ADJUSTMENT SWITCH LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT FORE/AFT ADJUSTMENT SWITCH LEFT FRONT SEAT HEIGHT ADJUSTMENT SWITCH LEFT FRONT SEAT INCLINATION ADJUSTMENT SWITCH REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/WHT WIRE RIGHT FRONT BACKREST ADJUSTMENT SWITCH RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT FORE/AFT ADJUSTMENT SWITCH RIGHT FRONT SEAT HEIGHT ADJUSTMENT SWITCH RIGHT FRONT SEAT INCLINATION ADJUSTMENT SWITCH SEAT ADJUSTMENT RELAY SIDE OF CARGO AREA) W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE