Mercedes-Benz C-class AMG W204/S204/С204 (2007-2011) can b h Wiring diagrams

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

1 2 CAN-H H CAN-H L 1 2 CAN-I L CAN-I H PNK WIRE 13 12 CAN-E L CAN-E H 4 5 CAN-H H CAN-H L 53 40 42 55 41 54 PNK CAN-I L CAN-I H CAN-C H CAN-C L CAN-E H CAN-E L WIRE 74 75 CAN-E L CAN-E H ADAPTIVE DAMPING SYSTEM CONTROL UNIT (W/ ADAPTIVE DAMPING SYSTEM, ESP) BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L DISTRONIC ELECTRIC CONTROLLER UNIT (IF EQUIPPED) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT GRN WIRE GRN/WHT WIRE ME-SFI (ME) CONTROL MODULE (TOP CENTER OF ENGINE) PNK/WHT WIRE POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR (CAN I) RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) VEHICLE DYNAMICS CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE

1 2 3 4 5 6 HS(-) ML/K HS(+) ML+ HS(+) MK+ 1 2 CAN B L CAN B H 3 2 1 FLAT WIRE FLAT WIRE FLAT WIRE 6 7 8 FLAT WIRE FLAT WIRE FLAT WIRE BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT PASSE- NGER SEAT FORE/AFT ADJUSTMENT MOTOR (UNDER FRONT PASSENGER'S SEAT) FRONT PASSE- NGER SEAT HEIGHT ADJUSTMENT MOTOR (UNDER FRONT PASSENGER'S SEAT) FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR GRY WIRE HV_MOT+ NV_MOT- NV_MOT+ LV_MOT- LV_MOT+ HV_MOT- RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CC CA CHASSIS CIRCUIT 87 RELAY COMPUTER DATA LINES SYSTEM DATA ELECTRIC STEERING LOCK CONTROL UNIT (TOP OF STEERING COLUMN) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FROM FUSE 101 (DIAGRAM 1 OF 5) FROM FUSE 111 (DIAGRAM 1 OF 5) FROM FUSE 16 (DIAGRAM 4 OF 5) FROM FUSE 32 (DIAGRAM 4 OF 5) FUSE FUSE 26 FUSE FUSE FUSE GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT W/ REAR BATTERY W/O REAR BATTERY WHT/RED WIRE

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 CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVE UNIT 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 MODULE (W/ POWER GLASS TILTING/SLIDING SUNROOF) OVERHEAD CONTROL PANEL ELECTRONICS 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 PANORAMIC SLIDING ROOF ROLLER SUN BLIND DRIVE UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE ROOF MOTOR SENSOR 1 HALL SENSOR 2 HALL SIG SIG HS 2 SIG HS 1 SUN BLIND MOTOR TILTING/ SLIDING ROOF TILTING/ SLIDING ROOF SWITCH VIO WIRE W/ OVERHEAD CONTROL PANEL WHT WIRE YEL WIRE

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

1 2 CAN B L CAN B H 1 4 12 13 17 18 31 30 CAN E L CAN E H CAN B L CAN B H 12 31 6 5 31 31 RETURN LINE GSS, FA BBV HL BBV HR BFS BLU WIRE BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) 81 74 75 30 CAN E L CAN E H BRAKE FLUID, PARKING BRAKE WARNING LAMP BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH (IN DRIVER'S SEAT BELT BUCKLE) FLAT WIRE FLAT WIRE FLAT WIRE 5 4 31 SIG FUSE 15 FUSE 28 GRN WIRE GRN/WHT WIRE GRY/GRN WIRE HOT W/ QUIESCENT CUT OUT RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR CONTROL UNIT MULTI-FUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE SUPPORT BRACKET) RED/BRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT BRAKE PAD WEAR SENSOR (AT RIGHT FRONT BRAKE ASSEMBLY) RIGHT REAR BRAKE PAD WEAR SENSOR (AT RIGHT REAR BRAKE ASSEMBLY) SEAT BELT REMINDER LAMP SERVICE BRAKE IND LAMP SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) WARNING BUZZER YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 CAN B H 31 1 2 3 4 5 6 RFL 1 2 3 4 LED AHK 31 AHK 15 GND BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN B L 15 54 FUSE 54 FUSE 53 FUSE 56 FUSE 57 GRN WIRE GRY WIRE GRY/YEL WIRE HOT W/ CIRCUIT 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED PNK/RED WIRE RED WIRE RED/GRN WIRE RED/YEL WIRE TRAILER HITCH LOCKING MECHANISM TRAILER HITCH LOCKING SWITCH TRAILER RECOGNITION CONTROL MODULE TRAILER SOCKET (RIGHT SIDE (7-PIN) OF TRUNK) WHT WIRE

-1 +2 1-2, 3-4, 5-6, 7-8) 4 2 1 5 31 CAN B H CAN B L 30 7 8 6 FLAT WIRE FLAT WIRE FLAT WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN B L CAN B H COMPUTER DATA LINES SYSTEM FLAT WIRE FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 61 GND SIG GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/PNK WIRE HFE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT NCA WIRE OPERATION SWITCH REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED/WHT WIRE RED/YEL WIRE SIG TAILGATE CONTROL BUTTON (W/ AUTOMATIC TAILGATE, KEYLESS GO SYSTEM) TAILGATE CONTROL DRIVE UNIT TAILGATE CONTROL ELECTRIC MOTOR TAILGATE CONTROL HALL SENSOR TAILGATE CONTROL MAGNETIC CLUTCH TAILGATE CONTROL POSITION SENSOR TAILGATE CONTROL UNIT TAILGATE CONTROL WARNING BUZZER TRUNK LID CENTRAL LOCKING MOTOR (CENTER REAR OF TRUNK LID) TRUNK LID CONTACT SWITCH (IN TRUNK LID LATCH ASSEMBLY) TRUNK LID EMERGENCY OPENING SWITCH (TRUNK LID) TRUNK LID EXTERNAL TRUNK LID LOCKING ELEMENT W/ AUTOMATIC TAILGATE W/ MANUAL TAILGATE WHT/YEL WIRE YEL WIRE

30 SIG GND 30 SIG GND 31 BELT TENSION SENSOR (ON RIGHT "B" PILLAR, IN PASSENGER'S SEAT BELT ANCHOR) BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM GRY WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/WHT WIRE SEAT OCCUPIED RECOGNITION PRESSURE SENSOR (BOTTOM OF RIGHT FRONT SEAT) WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) WHT WIRE