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

2 1 31 SIG 3 1 2 LIN 2 31 3 4 W/ POWER GLASS TILTING/SLIDING SUNROOF 5 1 2 4 30 CAN-B L CAN-B H 31 AMBIENT LAMP AUTOMATIC BLK WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE COMPASS DISPLAY BUTTON COMPASS MODULE W/ DISPLAY (IF EQUIPPED) COMPUTER DATA LINES SYSTEM DIMMING MIRROR FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 2 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER INDICATOR LAMP GARAGE GARAGE DOOR DOOR OPENER OPENER BUTTON 2 BUTTON 3 GRN WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HANDSFREE SYSTEM MICROPHONE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSIDE REARVIEW MIRROR LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT READING LAMP LIGHT SENSOR (W/O RAIN/LIGHT SENSOR) LIN 2 31 NAVIGATION, SOUND SYSTEMS NCA WIRE ORG/ WIRE PNK WIRE REARWARD AUTOMATIC AUTOMATIC DIMMING DIMMING MIRROR MIRROR LIGHT SENSOR RED/BLU WIRE RED/WHT WIRE RIGHT READING LAMP USED) YEL WIRE

1 2 3 4 5 6 7 8 HR+ VR+ 1 2 3 4 MOST OUT MOST IN 3 5 6 4 2 1 (NOT USED) ANT BT SHIELD ANT GPS SHIELD AUDIO/COMAND DISPLAY AUX GND AUX R AUX JACK ELECTRICAL CONNECTOR AUX SHIELD AUX L BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLUETOOTH ANTENNA (FRONT CENTER INTERIOR ROOF) BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BTE CAN A L CAN A H CAN B H 31 ON/OFF CAN B L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 16 FUSE 26 GPS 1 GRN WIRE GRN/WHT WIRE HANDS-FREE SYSTEM MICROPHONE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HR- VR- INSIDE REAR VIEW MIRROR LEFT FRONT DOOR SPEAKER (W/O SOUND SYSTEM) LEFT FRONT LEFT FRONT DOOR DOOR BASS SPEAKER TWEETER LEFT REAR DOOR SPEAKER (W/O SOUND SYSTEM) MOST DATA BUS CIRCUIT MULTI-FUNCTION ANTENNA (CENTER REAR OF ROOF) NCA WIRE ORG/ WIRE ORG/WHT WIRE PNK 1 2 3 4 5 6 7 8 9 10 11 12 MIC 1+ MIC 2+ SHIELD WIRE PNK WIRE RADIO W/ AUTO PILOT SYSTEM RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR BASS SPEAKER RIGHT FRONT DOOR SPEAKER (W/O SOUND SYSTEM) RIGHT FRONT DOOR TWEETER RIGHT REAR DOOR SPEAKER (W/O SOUND SYSTEM) SHIELD SHIELD FM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VIO WIRE VL HL VL+ HL+ PNK WIRE WAKE-UP WHT WIRE YEL WIRE

1 2 MOST 1 2 MOST OUT MOST IN ANT AUDIO/COMAND AUDIO/COMAND CONTROL PANEL BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAN A H CAN A L CAN E H CAN E L COMPUTER DATA LINES SYSTEM CONTROLLER DAB DELETE BUTTON DIGITAL AUDIO BROADCASTING CONTROL UNIT (GLK CLASS: CENTER FRONT OF CARGO AREA) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (TOP OF STEERING COLUMN) FM, AM, CL ANTENNA AMPLIFIER (CENTER FRONT OF ROOF) FRONT SAM CONTROL MODULE W/ FUSE FUSE FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MOST DATA BUS CIRCUIT MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK MUTE WIRE REAR WINDOW ANTENNA FM ANTENNA AMPLIFIER (BASE OF LEFT "C" PILLAR) RED WIRE RED/BLU WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON SHIELD STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON TEL VOICE CONTROL SYSTEM ON BUTTON WAKE-UP WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 HR+ VR+ VL+ HL+ HR- VR- VL- HL- 1 2 3 4 CD LVDS - RES LVDS + GND 1 2 3 4 MOST OUT MOST IN 1 2 3 4 USB 1 2 3 4 5 6 7 8 9 10 11 12 GND USB D- 5 6 PNK WIRE ANST AUDIO/COMAND DISPLAY BLK WIRE BLK/WHT WIRE BLU ORG WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN A H CAN A L CAN B L MUTE CAN B H 31 ON/OFF COMAND CONTROL UNIT COMAND FAN MOTOR COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM DIAG FRONT SAM CONTROL MODULE FUSE 11 FUSE 16 W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 26 GRN BRN/ WIRE GRN WIRE GRN/YEL WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT DOOR BASS SPEAKER LEFT FRONT DOOR TWEETER LEFT FRONT DOOR SPEAKER (W/O SOUND SYSTEM) LVDS MOST DATA BUS CIRCUIT NCA NCA WIRE NCA WIRE ORG/ BLU WIRE ORG/ WIRE PNK 15 16 17 WIRE PNK WIRE RED WIRE RED/YEL WIRE RES+ USB D- USB ELECTRICAL CONNECTOR VIO WIRE WAKE-UP WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 VIDEO N LVDS N VIDEO P LVDS P 2 3 1 5 6 CAN S H CAN S L 31 31 31 PNK WIRE 4 1 3 2 15 31 CAN S L CAN S H BLK WIRE BLU WIRE BRN WIRE CAN E H CAN E L CAN H H CAN H H CAN H L CAN H H CAN H L BLS H BLS_M BLS_L CAN H L CAN S H CAN S L 31 PNK WIRE CAN-G H CAN-G L CAN-S H CAN-S L COMPUTER DATA LINES SYSTEM DISTRONIC CONTROL UNIT DISTRONIC ELECTRIC CONTROLLER UNIT (CENTER OF FRONT GRILLE) DISTRONIC RADAR SENSOR ELECTRONIC STABILITY PROGRAM CONTROL UNIT (LEFT FRONT OF ENGINE COMPT) FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT BUMPER DISTRONIC SENSOR (DTR) LEFT REAR BUMPER INTELLIGENT RADAR SENSOR (W/ BLIND SPOT ASSIST), LEFT REAR BUMPER RADAR SENSOR (BEHIND LEFT END OF REAR BUMPER) MULTI-FUNCTION CAMERA ORG/ WIRE PNK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE RED/BLU WIRE RIGHT FRONT BUMPER DISTRONIC SENSOR (DTR) RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR (W/ BLIND SPOT ASSIST), RIGHT REAR BUMPER RADAR SENSOR (BEHIND RIGHT REAR END OF REAR BUMPER) VIDEO, RADAR SENSOR SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE

1 2 3 4 5 6 31 CAN E L CAN E H 1 2 3 4 LVDS P VIDEO P LVDS N VIDEO N AUXILIARY HEATER HEATING ELEMENT BLU WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DEFROST - DEFROST + FRONT SAM CONTROL UNIT W/ FUSE FUSE 13 GRN WIRE GRN/WHT WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED MULTI-FUNCTION CAMERA ORG/ WIRE RED/WHT WIRE RELAY MODULE (LEFT REAR OF ENGINE COMPT) VIDEO, RADAR SENSOR SYSTEM CONTROL UNIT

1 2 3 4 5 6 7 8 9 10 11 12 31 CAN A L 1 2 3 4 LVDS - RES LVDS + GND ANT FM/TMC ANTENNA SPLITTER BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE C-CLASS GLK-CLASS CAN A H COMPUTER DATA LINES SYSTEM CRADLE NAVIGATION MODULE FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) FUSE 11 GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER (RIGHT FRONT OF TRUNK/CARGO AREA) GRN WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED NAVIGATION MODULE NCA WIRE ORG/ WIRE RADIO REAR WINDOW ANTENNA FM ANTENNA AMPLIFIER (BASE OF LEFT "C" PILLAR) SHIELD SHIELD GPS 2 FM SHIELD TMC TMC VOICE + SHIELD MIC + WHT WIRE

1 2 3 4 5 6 IRS OFF IRS LED 11 9 CAN-B H CAN-B L 2 7 8 1 SHIELD MIC 2 GND MIC 1 30 S GB 31 ASS LED ASS OFF 9 10 CAN-B L CAN-B H AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CENTER INTERIOR ROOF) COMPASS MODULE W/ DISPLAY COMPUTER DATA LINES SYSTEM FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FUSE 46 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY WIRE HANDS-FREE SYSTEM MICROPHONE HOT AT ALL TIMES INSIDE REARVIEW MIRROR LEFT READING LAMP LEFT REAR WINDOW GLASS BREAKAGE SENSOR NCA WIRE ORG/ WIRE PNK 17 18 WIRE PNK WIRE RADIO (W/ AUDIO 20) COMAND CONTROL UNIT (W/O AUDIO 20) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE REAR WINDOW GLASS BREAKAGE SENSOR REARWARD COMPASS DISPLAY BUTTON AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RIGHT READING LAMP RIGHT REAR WINDOW GLASS BREAKAGE SENSOR WHT WIRE YEL WIRE

1 2 3 4 5 6 IRS OFF IRS LED 11 9 CAN-B H CAN-B L 2 7 8 1 SHIELD MIC 2 GND MIC 1 31 ASS LED ASS OFF AUTOMATIC DIMMING MIRROR BLK WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN B H COMPASS DISPLAY BUTTON COMPASS MODULE W/ COMPUTER DATA LINES SYSTEM DISPLAY (IF EQUIPPED) FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FUSE 46 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HANDS-FREE SYSTEM MICROPHONE HOT AT ALL TIMES INSIDE REARVIEW MIRROR LEFT INTERIOR PROTECTION TRANSMITTER LEFT READING LAMP NCA WIRE ORG/ WIRE PNK 14 15 WIRE PNK WIRE RADIO (W/ AUDIO 20) COMAND CONTROL UNIT (W/O AUDIO 20) REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RIGHT AMBIENT READING LAMP LAMP WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 CAN-E L CAN-E H 31 30 1 2 ALDW+ ALDW- 1 2 LH+ LH- 1 2 NTC + NTC - 2 3 GND LSP- 2 3 LSP+ GND BACK, VOICE CONTROL SYSTEM OFF BUTTON BEAM SWITCH BLK WIRE BLU WIRE BRN WIRE CENTER HORNS BUTTON COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH RESUME FROM MEMORY SWITCH ACCELERATE, SET SWITCH DISTRONIC CONTROL (IF EQUIPPED) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT SAM CONTROL UNIT W/ FUSE CONTROL UNIT W/ FUSE/RELAY MODULE (RIGHT SIDE OF TRUNK) FUSE FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HEATING ELEMENT TEMPERATURE SENSOR HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INDICATOR SWITCH LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LH+/ALDW+ LH-/ALDW- MUTE BUTTON OFF SWITCH OK BUTTON ORG/ WIRE PNK MUTE WIRE REAR SAM RED WIRE RED/BLU WIRE RED/ORG WIRE RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING ANGLE SENSOR STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL VIBRATION MOTOR (W/ AUTOMATIC LANE DETECTION) SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON TEL TURN SIGNAL LAMP SWITCH HEADLAMP FLASHER/HIGH BEAM SWITCH LOW VIO WIRE VOICE CONTROL SYSTEM ON BUTTON W/ STEERING WHEEL HEATER, AUTOMATIC LANE DETECTION WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE