Mercedes-Benz E-class W212/S212/C207/A207 facelift (2013-2016) computer data lines system Wiring diagrams

1 2 3 4 5 6 7 8 9 CAN-B H CAN-B L 10 11 12 13 14 15 16 LIN DATA 3.5L AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM COUPE EVAPORATOR TEMPERATURE SENSOR (LOWER RIGHT SIDE OF HVAC EVAPORATOR ASSEMBLY) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 12 GND (-) 31 GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES INTERIOR HUMIDITY/ TEMPERATURE SENSOR (IF EQUIPPED) (TOP CENTER OF WINDSHIELD) INTERIOR TEMPERATURE SENSOR (LEFT CENTER OF DASH) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT CENTER AIR OUTLET SYMBOL ILLUMINATION (IF EQUIPPED) LEFT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION (IF EQUIPPED) LEFT SIDE AIR OUTLET TEMPERATURE SENSOR (LEFT SIDE OF DASH) NCA WIRE OVERHEAD CONTROL PANEL ELECTRONICS (W/O CAN) REAR WINDOW HEATER BUTTON RED/BLK WIRE RED/BRN WIRE RED/VIO WIRE REFRIGERANT COMPRESSOR (LOWER LEFT FRONT ENGINE) REFRIGERANT PRESSURE SENSOR (LOWER LEFT SIDE OF RADIATOR ON REFRIGERANT LINE) RIGHT CENTER AIR OUTLET SYMBOL ILLUMINATION (IF EQUIPPED) RIGHT FRONT FOOTWELL AIR OUTLET TEMPERATURE SENSOR (RIGHT FRONT FOOTWELL AREA) RIGHT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION (IF EQUIPPED) RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR (RIGHT SIDE OF DASH) SIG SIG SOLID STATE SUN SENSOR (TOP CENTER OF DASH) VIO/WHT WIRE WHT/BLU WIRE YEL/BLU WIRE

4 3 2 1 SIG 43 18 LPV LUES AC HOUSING, AIR DISTRIBUTION FLAP ACTUATOR MOTOR (LEFT END OF HVAC UNIT) AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK/BLU WIRE BLK/RED WIRE BLOWER MOTOR BLOWER REGULATOR BLU/GRN WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR (REAR OF LEFT CYLINDER BANK) DEFROSTER VENT FLAP ACTUATOR MOTOR (UPPER LEFT END OF HVAC UNIT) ENGINE CONTROLS SYSTEM FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 158 GRN/BLU WIRE GRN/RED WIRE HOT AT ALL TIMES HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED LEFT BLENDING AIR FLAP ACTUATOR (LOWER LEFT SIDE OF HVAC UNIT) LIN B 31 PURGE CONTROL VALVE (LEFT FRONT OF ENGINE COMPT) RED WIRE RED/BLU WIRE RIGHT BLENDING AIR FLAP ACTUATOR (BOTTOM RIGHT CENTER OF HVAC UNIT) SOLID STATE TMOT VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE W/O ECO START/ STOP FUNCTION W/ ECO START/ STOP FUNCTION WHT WIRE WHT/BRN WIRE YEL WIRE

4 3 2 1 SIG 43 18 LPV LUES AC HOUSING, AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK/BLU WIRE BLK/RED WIRE BLOWER MOTOR BLOWER REGULATOR BLU/GRN WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COOLANT TEMPERATURE SENSOR (REAR OF LEFT CYLINDER BANK) DIFFUSE FLAP ACTUATOR MOTOR (TOP CENTER OF HVAC UNIT) ENGINE CONTROLS SYSTEM FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 158 GRN/BLU WIRE GRN/RED WIRE HOT AT ALL TIMES HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED LEFT BLENDING AIR FLAP ACTUATOR (LOWER LEFT SIDE OF HVAC UNIT) LEFT DEFROSTER VENT FLAP ACTUATOR MOTOR (UPPER LEFT SIDE OF HVAC UNIT) LEFT FOOTWELL FLAP ACTUATOR MOTOR (LOWER LEFT SIDE OF HVAC UNIT) PURGE CONTROL VALVE (LEFT FRONT OF ENGINE COMPT) RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT BLENDING AIR FLAP ACTUATOR (BOTTOM RIGHT CENTER OF HVAC UNIT) RIGHT CENTER AIR OUTLET FLAP ACTUATOR MOTOR (RIGHT FRONT OF HVAC UNIT) RIGHT DEFROSTER VENT FLAP ACTUATOR MOTOR (UPPER RIGHT SIDE OF HVAC UNIT) RIGHT FOOTWELL FLAP ACTUATOR MOTOR (LOWER RIGHT SIDE OF HVAC UNIT) SIG SOLID STATE TMOT VIO/WHT WIRE W/O ECO START/ STOP FUNCTION W/ ECO START/ STOP FUNCTION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

1 2 CAN G H CAN G L 2 11 1 31 SIG 2 3 CAN-G H CAN-G L 9 10 CAN-B H CAN-B L BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMBINATION SWITCH COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FRONT FOG LAMP BUTTON FRONT FOG LAMPS INDICATOR LAMP FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES FUSE BOX (LEFT END FUSE OF DASH) HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT "C" PILLAR) LEFT FOG LAMP (IF EQUIPPED) LEFT REAR FOG LAMP (IF EQUIPPED) LOW BEAM INDICATOR LAMP LOW BEAM SWITCH PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE ASSEMBLY) REAR FOG LAMP INDICATOR LAMP REAR FOG LIGHT BUTTON RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FOG LAMP (IF EQUIPPED) RIGHT REAR FOG LAMP (IF EQUIPPED) SEDAN SIG SML STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) SWITCH ILLUMINATION SYSTEM WAGON WHT/RED WIRE YEL WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/RED WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM GRY/YEL WIRE LIN 2 OVERHEAD CONTROL PANEL ELECTRONICS RAIN/LIGHT SENSOR (TOP CENTER OF WINDSHIELD) RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR RIGHT FRONT EXTERIOR LIGHTS LED ACTUATION MODULE RIGHT FRONT LAMP UNIT 10 12 9 11 RIGHT HEADLAMP CONTROL UNIT RIGHT LED DRIVING LIGHTS ACTUATION MODULE FAN MOTOR RIGHT LIGHT DISTRIBUTION ACTUATOR MOTOR YEL WIRE YEL/WHT WIRE

1 2 9 18 8 CAN G H CAN G L 2 11 1 31 SIG 2 3 CAN-G H CAN-G L 9 10 CAN-B H CAN-B L BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMBINATION SWITCH COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FRONT FOG LAMP BUTTON FRONT FOG LAMPS INDICATOR LAMP FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES FUSE BOX (LEFT END FUSE OF DASH) HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT "C" PILLAR) LEFT FOG LAMP (IF EQUIPPED) LEFT REAR FOG LAMP (IF EQUIPPED) LOW BEAM INDICATOR LAMP LOW BEAM SWITCH PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE ASSEMBLY) REAR FOG LAMP INDICATOR LAMP REAR FOG LIGHT BUTTON RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FOG LAMP (IF EQUIPPED) RIGHT REAR FOG LAMP (IF EQUIPPED) SEDAN SIG SML STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) SWITCH ILLUMINATION SYSTEM WAGON WHT WIRE WHT/BLK WIRE YEL WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/RED WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 74 RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) FUSE 75 GRN/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT LAMP UNIT LEFT HEADLAMP CONTROL UNIT LEFT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR (INTEGRAL TO LEFT FRONT LAMP UNIT) LEFT HIGH BEAM LEFT LED SIGNALING LIGHTS ACTUATION MODULE FAN MOTOR LEFT LOW BEAM LEFT PARKING LIGHT, DAYTIME RUNNING LIGHT LIN 2 OVERHEAD CONTROL PANEL ELECTRONICS RAIN/LIGHT SENSOR (TOP CENTER OF WINDSHIELD) REAR SAM CONTROL UNIT W/ FUSE, RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT HEADLAMP CONTROL UNIT RIGHT HIGH BEAM RIGHT LED SIGNALING LIGHTS ACTUATION MODULE FAN MOTOR RIGHT LOW BEAM RIGHT PARKING LIGHT, DAYTIME RUNNING LIGHT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/WHT WIRE

1 2 3 4 5 6 IRS OFF IRS LED 31 30 CAN B L CAN B H 31 ASS LED ASS OFF BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM FUSE 46 GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT REAR WINDOW GLASS BREAKAGE SENSOR (IN LEFT REAR WINDOW) MIC 1+ MIC 2+ NCA WIRE ORG/ WIRE PNK WIRE RADIO REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) REAR WINDOW GLASS BREAKAGE SENSOR (IN REAR WINDOW) RED WIRE RED/WHT WIRE RIGHT REAR WINDOW GLASS BREAKAGE SENSOR (IN RIGHT REAR WINDOW) SEDAN SHIELD W/ AUDIO W/O AUDIO WAGON YEL WIRE

1 2 3 31 30 LIN 2 1 2 3 4 5 6 7 8 (-) (+) (+) (-) FL 1 2 3 4 5 6 7 8 LIN 2 LL L LL R 1 2 3 4 5 6 IRS OFF IRS LED 31 ASS LED ASS OFF 31 HS 1 HS(+) HS 2 MOTOR - MOTOR + AUTOMATIC DIMMING MIRROR BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN B H LIN 2 COMPUTER DATA LINES SYSTEM FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT DOME LAMP SWITCH FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 17 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/BLU WIRE GRY/YEL WIRE HANDS-FREE SYSTEM MICROPHONE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSIDE REARVIEW MIRROR INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR PROTECTION SWITCH (W/ TOW-AWAY PROTECTION, INTERIOR PROTECTION) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT READING LAMP SWITCH LEFT RIGHT AMBIENT READING READING LAMP LAMP LAMP LIN 2 NAVIGATION SYSTEM NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PNK 10 11 12 13 WIRE PNK WIRE PNK/GRN WIRE POWER TOPS SYSTEM REAR DOME LAMP, SWITCH REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT READING LAMP SWITCH RIGHT LEFT FRONT FRONT INTERIOR INTERIOR LAMP LAMP SOS TILTING/SLIDING ROOF SWITCH (IF EQUIPPED) TOWING SENSOR BUTTON (W/ TOW-AWAY PROTECTION, INTERIOR PROTECTION) USED) VIO WIRE WHT WIRE YEL WIRE YEL/VIO WIRE

1 2 3 4 5 6 IRS OFF IRS LED 31 30 CAN B L CAN B H 31 ASS LED ASS OFF BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM CONTROL UNIT (IF EQUIPPED) (FRONT CENTER OF ROOF) FUSE 46 GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INTERIOR PROTECTION, TOW-AWAY PROTECTION LEFT REAR WINDOW GLASS BREAKAGE SENSOR (IN LEFT REAR WINDOW) MIC 1+ MIC 2+ NCA WIRE ORG/ WIRE PNK WIRE RADIO REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) REAR WINDOW GLASS BREAKAGE SENSOR (IN REAR WINDOW) RED WIRE RED/WHT WIRE RIGHT REAR WINDOW GLASS BREAKAGE SENSOR (IN RIGHT REAR WINDOW) SEDAN SHIELD W/ AUDIO W/O AUDIO WAGON WHT WIRE YEL WIRE