Mercedes-Benz C-class W204/S204/С204 facelift (2011-2015) 31 sig Wiring diagrams

1 2 3 4 (+) (-) 31 (+) 1 2 5 4 CAN B L CAN B H 30 31 1 3 2 6 7 8 9 31 DATA 10 11 12 FLAT WIRE FLAT WIRE 31 SIG 4 10 5 6 8 7 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE SIG 4 10 5 SIG 6 7 8 9 ZV-MOT ZV-MOT GND SIG 9 10 CAN-B H CAN-B L BRN WIRE BRN/GRN WIRE BRN/PNK WIRE BRN/RED WIRE CENTRAL MOTOR LOCKING RIGHT FRONT DOOR LOCK CENTRAL W/ KEYLESS GO LOCKING MOTOR W/O KEYLESS GO LEFT FRONT DOOR LOCK COMPUTER DATA LINES SYSTEM FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE FUSE 2 FUSE 3 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT (FRONT OF LEFT FRONT DOOR) REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH RIGHT FRONT DOOR CONTROL UNIT (FRONT OF RIGHT FRONT DOOR) RIGHT FRONT DOOR EXIT, WARNING LAMP (W/ INTERIOR LIGHTS PACKAGE) RIGHT FRONT DOOR HANDLE ILLUMINATION (W/ INTERIOR LIGHTS PACKAGE) RIGHT FRONT DOOR HANDLE RECESS ILLUMINATION (W/ INTERIOR LIGHTS PACKAGE) ROTARY TUMBLER SWITCH W/ KEYLESS GO W/O KEYLESS GO WHT WIRE ZV-MOT ZV-MOT GND SIG

15 SIG 30 30 (+) 31 SIG 58 SL-L SL-R (+) PNK WIRE 7 8 9 10 11 12 13 14 (+) ANST ZV ANT BSL-R ANTI-THEFT SYSTEM SOUND SYSTEMS SEATS SYSTEM SUPPLEMENTAL BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE BSL-R BSL-L ZV CAN B H CAN B L 31 31 31 31 CAN B L CAN B H (+) (+) SIG LIN COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR LOCKS SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE FUSE 164 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/YEL WIRE HFE HFE SIG SIG SIG HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM POWER DISTRIBUTION SYSTEM INSTRUMENT CLUSTER, ANTI-THEFT SYSTEMS INSTRUMENT CLUSTER, ANTI-THEFT SYSTEMS INSTRUMENT CLUSTER, ANTI-THEFT SYSTEMS PNK BSL-L WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RFL-R RFL-L NSL-R NSL-L RSS EIN RSS AUS SEATS SYSTEM SEATS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM SIG SIG SIG SIG SOUND SYSTEMS SOUND SYSTEMS SEATS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM STARTING/CHARGING SYSTEM VIO/BLU WIRE VIO/WHT WIRE W/O ECO START/STOP FUNCTION WHT/BLU WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM SOUND SYSTEMS EXTERIOR LIGHTS SYSTEM YEL WIRE

1 2 3 4 5 6 CAN C H CAN C L 1 2 CAN-C L CAN-C H 17 18 CAN B L CAN B H 2 3 CAN-C L CAN-C H 31 CAN C L CAN C H 31 SIG 4 3 CAN B L CAN B H 87 GND AUTOMATIC TRANSMISSION MODE BUTTON AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH (BASE OF SHIFT LEVER ASSEMBLY) BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN C H CAN C L CLUTCH CONTROL SOLENOID COMPUTER DATA LINES SYSTEM D- D+ ELECTRIC STEERING LOCK CONTROL UNIT (STEERING COLUMN) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (C-CLASS: UNDER CENTER CONSOLE) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FULLY SELECTION INTEGRATED RANGE TRANSMISSION SENSOR CONTROL UNIT FUSE GEAR INDICATOR GEAR INDICATOR SENSOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ CHASSIS CIRCUIT 87 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER INTERNAL OUTPUT TRANSMISSION SHAFT SPEED RPM RPM SENSOR SENSOR MULTIDISK MULTIDISK BRAKE BRAKE CONTROL CONTROL SOLENOID SOLENOID PNK/RED WIRE PRND R/P S (+) R/P S (-) RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE SELECT LEVER POSITIONS R, P LOCKING SOLENOID SHIFT GATE SYMBOL ILLUMINATION (IF EQUIPPED) STEERING COLUMN MODULE CONTROL UNIT (INTEGRAL TO STEERING COLUMN MODULE) TIPP (MASSE) TIPP (PLUS) TIPP (-) TIPP (+) TRANSMISSION MODE DISPLAY TRANSMISSION OIL TEMPERATURE SENSOR TURBINE WHEEL RPM SENSOR W/ KEYLESS GO SYSTEM W/O KEYLESS GO SYSTEM WHT WIRE WHT/GRN WIRE WORKING PRESSURE CONTROL SOLENOID VALVE YEL WIRE