Mercedes-Benz C-class W204/S204/С204 facelift (2011-2015) rear sam control module w/ fuse, relay module (right side of trunk/cargo area) Wiring diagrams

12 13 17 18 CAN E L CAN E H CAN B L CAN B H 2 3 1 31 LIN 1 30 30 31 5 CAN B H CAN B L EMD 4 3 2 1 S_GB 30 6 5 4 3 2 1 ASS OFF ASS LED 31 6 5 4 3 2 1 OFF INTERIOR PROTECTION SWITCH ANTI-THEFT ALARM SYSTEM INDICATOR LAMP INSTRUMENT PANEL SWITCH GROUP BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B L CAN B H CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT OF TRUNK/CARGO AREA) FAN RELAY MODULE FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE FUSE 17 FUSE 18 GRN WIRE GRN/WHT WIRE GRY/YEL WIRE HORNS SYSTEM HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INFO INFO LED INSTRUMENT CLUSTER INTERIOR LEFT INTERIOR PROTECTION PROTECTION RECEIVER TRANSMITTER INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT (IF EQUIPPED) IRS LED IRS-OFF LEFT ENGINE HOOD CONTACT SWITCH (LEFT FRONT CORNER OF ENGINE COMPT) MULTI-FUNCTION DISPLAY NCA WIRE OFF TOWING SENSOR BUTTON 8 7 6 4 3 2 SOS LED WS LED INFO LED WS INFO SOS REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RIGHT INTERIOR PROTECTION TRANSMITTER RIGHT REAR WINDOW GLASS BREAKAGE SENSOR SOS SOS LED W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION WHT WIRE WS LED YEL WIRE YEL/RED WIRE YEL/VIO WIRE

ANT GPS SHIELD BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/VIO WIRE BRN WIRE CAN D H CAN D L CENTER INSTRUMENT PANEL SPEAKER COMAND CONTROL UNIT (W/ COMAND) COMPUTER DATA LINES SYSTEM DIAGNOSTIC CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) EMERGENCY CALL SYSTEM ANTENNA (CENTER OF HAT SHELF) EMERGENCY CALL SYSTEM BUTTON EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT TRUNK/CARGO AREA) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 87 GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER (RIGHT FRONT OF TRUNK/ CARGO AREA) GPS GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES INFO MB-INFO, BREAKDOWN ASSISTANCE BUTTON MIKR + MIKR - (-) MULTI-FUNCTION ANTENNA (CENTER REAR OF ROOF) MUTE NCA WIRE OVERHEAD CONTROL PANEL ELECTRONICS (W/O CAN) OVERHEAD CONTROL PANEL CONTROL UNIT RADIO (W/ AUDIO 20) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) RED/BLU WIRE SHIELD SIG ANT NOT SHIELD 1 2 SOS LED WS LED INFO LED SOS WS INFO CRASH SOUND SYSTEM AMPLIFIER CONTROL UNIT (LEFT SIDE TRUNK/ CARGO AREA) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) TEL TELEDIAGNOSIS W/ NAVIGATION W/ SOUND SYSTEM W/O NAVIGATION W/O SOUND SYSTEM YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE

4 5 2 3 30 31 CAN E L CAN E H BRN WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) RED/VIO WIRE RED/WHT WIRE

1 2 3 4 5 6 7 8 9 10 ANT GND ANT GND DATA GND DATA GND 1 2 3 4 5 6 7 8 9 10 ANT GND ANT GND SIG (-) SIG (-) 1 2 3 4 5 6 7 8 9 10 CAN B-L CAN B-H 17 18 12 13 CAN B L CAN B H CAN E L CAN E H 30 31 CAN-B H CAN-B L ANT SHIELD BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/GRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE C-CLASS COUPE C-CLASS SEDAN, C-CLASS GLK- COUPE CLASS C-CLASS SEDAN, GLK- CLASS COMPUTER DATA LINES SYSTEM FUSE FUSE SIG GO ANTENNA AMPLIFIER (CENTER REAR OF ROOF) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HOT W/ ADDITIONAL BATTERY RELAY ENERGIZED INSTRUMENT CLUSTER KEYLESS GO CONTROL UNIT (RIGHT SIDE OF TRUNK/CARGO AREA) LEFT REAR KEYLESS GO GO DOOR HANDLE MULTI-FUNCTION DISPLAY NCA WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) RED WIRE RIGHT FRONT KEYLESS GO DOOR HANDLE RIGHT REAR DOOR KEYLESS GO ANTENNA (IN RIGHT REAR DOOR) RIGHT REAR KEYLESS GO DOOR HANDLE TAILGATE KEYLESS GO BUTTON W/O ECO START/STOP FUNCTION WHT WIRE YEL WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CHASSIS CIRCUIT 87 RELAY COMPUTER DATA LINES SYSTEM DATA ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT EXTERIOR LIGHTS SWITCH FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) FROM FUSE 16 (DIAGRAM 4 OF 5) FROM FUSE 29 (DIAGRAM 4 OF 5) FROM FUSE 29 (DIAGRAM 4 OF 5) FUSE FUSE FROM FUSE 32 (DIAGRAM 4 OF 5) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 26 FUSE 35 FUSE 33 FUSE 34 FUSE 36 FUSE FUSE FUSE FUSE FUSE GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT ME-SFI (ME) CONTROL UNIT ME-SFI HEADLAMP CONTROL (ME) CONTROL UNIT UNIT PNK WIRE PNK/RED WIRE PNK/WHT WIRE RADIO CONTROL UNIT REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR CONTROL UNIT STARTER CIRCUIT 50 RELAY W/ KEYLESS GO W/O KEYLESS GO WHT/RED WIRE

BRN WIRE FUSE GRN/RED WIRE GRN/YEL WIRE GRY/YEL WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS LEFT FRONT SEAT VENTILATION BLOWER REGULATOR LEFT FRONT SEAT VENTILATION BUTTON LIN 1 NCA WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT BACKREST SEAT VENTILATION MOTORS RIGHT FRONT SEAT CUSHION SEAT VENTILATION MOTORS RIGHT FRONT SEAT VENTILATION BLOWER REGULATOR RIGHT FRONT SEAT VENTILATION BUTTON UPPER CONTROL PANEL CONTROL UNIT

BASS BASS SPEAKER (C-CLASS) BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER INSTRUMENT PANEL SPEAKER COUPE EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED) (CENTER FRONT TRUNK/CARGO AREA) FUSE GRN WIRE GRY WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LCT LEFT FRONT DOOR SPEAKER LEFT REAR BASS LEFT REAR DOOR SPEAKER LEFT REAR SURROUND LOUDSPEAKER LEFT REAR TWEETER MOST DATA BUS CIRCUIT NCA WIRE ON MUTE ORG/ WIRE PNK EXCEPT COUPE WIRE PNK PNK WIRE PNK WIRE REAR BASS SPEAKER REAR BASS SPEAKER AMPLIFIER (GLK-CLASS) (LEFT SIDE OF TRUNK/ CARGO AREA) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER RIGHT REAR BASS SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR SURROUND LOUDSPEAKER RIGHT REAR TWEETER SOUND SYSTEM AMPLIFIER CONTROL UNIT (LEFT SIDE OF TRUNK/CARGO AREA) SPEAKER TWEETER VIO WIRE VIO/BRN WIRE VIO/RED WIRE VIO/WHT WIRE WAKE-UP WHT WIRE YEL WIRE YEL/BLK WIRE