Mercedes-Benz C-class W204/S204 (2006-2011) rear sam control unit w/ fuse, relay module (left side of trunk/cargo area) Wiring diagrams

10 9 CAN B L CAN B H 21 22 RFL-R RFL-L 6 7 CAN C L CAN C H BACKUP CAMERA VOLTAGE SUPPLY MODULE BACKUP LAMP BACKUP LAMP SWITCH (M/T) (ON RIGHT REAR OF TRANSMISSION) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (A/T) (UNDER CENTER CONSOLE) FRONT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 106 ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT COMPUTER DATA LINES SYSTEM REAR LAMP BACKUP UNIT LAMP MODEL CODE 204.0 MODEL CODE 204.2 REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RFL (+) RIGHT REAR LAMP UNIT WHT WIRE YEL WIRE

10 9 CAN B L CAN B H 30 31 11 12 SIG SIG (+) (+) 31 30 CAN B L CAN B H 6 3 2 PNK WIRE 6 7 CAN B L CAN B H BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FL 31 31 FRONT DOME LAMP SWITCH FRONT SAM CONTROL UNIT FUSE 21 W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GLOVE BOX LAMP) GLOVE BOX LAMP/ SWITCH GRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/WHT WIRE INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR PROTECTION SWITCH LEFT FRONT INTERIOR LAMP LEFT FRONT READING LAMP SWITCH LEFT REAR READING LAMP LEFT SUN LEFT FRONT VISOR MIRROR LAMP MIRROR LAMP SWITCH PNK WIRE PNK/YEL WIRE REAR DOME LAMP REAR DOME LAMP, SWITCH REAR INTERIOR LAMP REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLK WIRE RED/VIO WIRE RELAY ENERGIZED RIGHT FRONT INTERIOR LAMP RIGHT FRONT MIRROR LAMP SWITCH RIGHT FRONT READING LAMP SWITCH RIGHT REAR READING LAMP RIGHT SUN VISOR MIRROR LAMP W/ AVANTGARDE, ELEGANCE W/ CLASSIC YEL WIRE

1 2 CAN-E L CAN-E H 2 8 1 10 58 58 54 SL R 27 16 15 23 2 BSL R BSL R 31 30 CAN B L CAN B H 31 LIN 2 6 7 CAN B L CAN B H BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BSL L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM FOG LAMP FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE 89 FUSE 90 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES LEFT LICENSE PLATE LAMP CENTER STOP LAMP LEFT REAR LAMP UNIT MODEL CODE 204.0 MODEL CODE 204.2 NSL-R PNK BSL-L WIRE PNK SL L WIRE PNK/RED WIRE RAIN/LIGHT SENSOR (W/ RAIN/LIGHT REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RIGHT LICENSE PLATE LAMP RIGHT REAR LAMP UNIT SENSOR) (TOP CENTER OF WINDSHIELD) SL L STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STOP/ INNER SIDE MARKER LAMP TURN SIGNAL LAMP TAIL/ STOP/ PARK TAIL LAMP LAMP TURN SIGNAL LAMPS SWITCH VIO WIRE VIO/BLU WIRE WHT WIRE YEL WIRE

1 2 CAN-B H CAN-B L 1 5 CAN-B H CAN-B L 11 9 CAN-B H CAN-B L 2 1 CAN-B H CAN-B L 2 3 CAN-B H CAN-B L 3 1 2 31 CAN-B H CAN-B L 30 31 CAN-B H CAN-B L 6 5 CAN-A H CAN-A L 7 5 CAN-B H CAN-B L 7 6 CAN-B H CAN-B L 9 10 CAN-B L CAN-B H BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN C H CAN C L CAN E H CAN E L CAN-D H CAN-D L CAN-G H CAN-G L COMAND CONTROL UNIT DRIVER SEAT CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT (W/ TELEAID EMERGENCY CALL SYSTEM) (CENTER FRONT OF TRUNK) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE LEFT FRONT DOOR CONTROL UNIT LEFT REAR DOOR CONTROL UNIT LEFT VEHICLE FLOOR INTERIOR CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR OVERHEAD CONTROL PANEL CONTROL MODULE PANORAMIC SLIDING ROOF CONTROL MODULE (LEFT FRONT OF ROOF) RADIO (W/ AUDIO 20 RADIO) RADIO W/ AUTO PILOT SYSTEM (W/ AUDIO 50) REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RIGHT REAR DOOR CONTROL UNIT TRAILER RECOGNITION CONTROL MODULE W/ AUDIO 20 RADIO, RADIO 50 W/ OVERHEAD CONTROL PANEL W/ CAN W/O AUDIO 20 RADIO, RADIO 50 YEL WIRE YEL/WHT WIRE

AC HOUSING, ADAPTIVE DAMPING SYSTEM CONTROL UNIT (IF EQUIPPED) ALARM SIREN (IF EQUIPPED) ANTENNA AMPLIFIER (IF EQUIPPED) BATTERY BATTERY SENSOR BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE COMBUSTION ENGINE, AIR CONDITIONING W/ INTEGRATED CONTROL FAN MOTOR COMPT) FROM FUSE 103 (DIAGRAM 1 OF 1) FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE FRONT FUSE 126 FUSE 116 ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE FUSE 104 FUSE 105 FUSE 106 FUSE 111 FUSE 117 FUSE 129 FUSE 113 FUSE 114 RES RES RES RES RES FUSE FUSE FUSE FUSE FUSE FUSE FUSE 40 RES FUSE 46 FUSE 61 FUSE 64 FUSE 89 FUSE 90 FUSE 100 FUSE FUSE 91 FUSE FUSE GENERATOR GRN WIRE III ANTENNA (W/ DIGITAL AUDIO BROAD CASTING), NOT USED NOT USED QUIESCENT CURRENT CUTOUT RELAY REAR BLOWER MOTOR (W/ THERMOTRONIC) REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RES FUSE 107 FUSE 101 FUSE 103 RES FUSE 121 RES FUSE 120 FUSE 119 RES RES FUSE 123 RES FUSE 125 RES FUSE 122 RES FUSE 124 RES FUSE 128 RES RES RES FUSE FUSE FUSE RSS AUS RSS EIN SPECIAL PURPOSE VEHICLE MULTI-FUNCTION CONTROL UNIT TO FUSE (W/ TAXI) STARTER TAILGATE CONTROL UNIT (W/ AUTOMATIC TAILGATE) TO CIRCUIT 15 RELAY (DIAGRAM 2 OF 5) TO FUSE TO FUSE 108 (DIAGRAM 1 OF 5) TO FUSE 87 (DIAGRAM 2 OF 5) VIO WIRE WHT WIRE YEL WIRE

1 2 HOCH TIEF 1 2 VOR ZUR 2 1 TIEF HOCH 2 1 ZUR VOR BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BRN WIRE DRIVER SEAT BACKREST ADJUSTMENT SWITCH DRIVER SEAT HEIGHT ADJUSTMENT SWITCH DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR (IN DRIVER'S SEAT BACK) DRIVER SEAT HEIGHT ADJUSTMENT MOTOR (UNDER DRIVER'S SEAT) DRIVER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FRONT PASSENGER SEAT BACKREST ADJUSTMENT SWITCH FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR (UNDER FRONT PASSENGER'S SEAT) FRONT PASSENGER SEAT HEIGHT ADJUSTMENT SWITCH FRONT PASSENGER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FUSE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE SEAT ADJUSTMENT RELAY WHT/BLK WIRE WHT/GRN WIRE

1 2 CAN-B H CAN-B L 2 HS AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM FUSE FUSE 106 HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) REAR WINDOW ANTENNA AMPLIFIER 1 (IF EQUIPPED) (CENTER REAR OF ROOF) REAR WINDOW DEFROSTER RELAY REAR WINDOW HEATER REAR WINDOW HEATER BUTTON REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 1 REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 2 RED WIRE VIO/WHT WIRE W/ MODEL CODE 204.0 W/ MODEL CODE 204.2

2 4 3 31 (+) (-) 31 30 CAN B L CAN B H BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 12 GRN WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LIN 1 LIN 1 31 REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) REAR WINDOW ROLLER SUN BLIND BUTTON REAR WINDOW ROLLER SUN BLIND MOTOR (IF EQUIPPED) (CENTER OF HAT SHELF) RED WIRE RED/GRN WIRE UPPER CONTROL PANEL CONTROL UNIT WHT WIRE YEL WIRE

BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BRN WIRE 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 FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR (UNDER FRONT PASSENGER'S SEAT) FRONT PASSENGER SEAT INCLINATION ADJUSTMENT MOTOR (UNDER FRONT PASSENGER'S SEAT) FUSE (AT RIGHT REAR OF ENGINE COMPT) FUSE FUSE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT BACKREST ADJUSTMENT SWITCH LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT HEIGHT ADJUSTMENT SWITCH REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RIGHT FRONT BACKREST ADJUSTMENT SWITCH RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT HEIGHT ADJUSTMENT SWITCH SEAT ADJUSTMENT RELAY VOR ZUR HOCH TIEF VOR ZUR HOCH TIEF WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE ZUR VOR TIEF HOCH ZUR VOR TIEF HOCH

BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C H CAN E H COMPUTER DATA LINES SYSTEM DST EKP FRONT ELECTRICAL FUEL TANK PRESSURE SENSOR (IN FUEL TANK) FUSE FUSE 101 FUSE 111 FUSE 89 PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES LIN ME-SFI (ME) CONTROL MODULE (TOP CENTER OF ENGINE) NCA WIRE ORG/ WIRE PNK/BLK WIRE PNK/RED WIRE REAR BATTERY REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SLP STARTING/ CHARGING SYSTEM STR+ VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE