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

10 4 9 5 3 8 1 7 2 6 +,- OK R,RTN U-MLL-L 58 GND U-MFL-R +,- MUTE TEL ACCEPT/ TERMINATE PHONE CALL BUTTON ANTENNA AMPLIFIER BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BLUETOOTH ANTENNA BRN WIRE BRN/ORG WIRE BUTTONS +, - SETTING SPECIFIC FUNCTION, VOLUME CONTROL COMPUTER DATA LINES SYSTEM FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HANDS-FREE SYSTEM MICROPHONE INSIDE REARVIEW MIRROR INSIDE STEERING WHEEL) KEYLESS GO ANTENNA AMPLIFIER LEFT "C" PILLAR) LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MUTE MUTE BUTTON NCA WIRE OK BUTTON OK BUTTON BACK BUTTON ORG/ WIRE PNK 1 2 3 4 WIRE PNK WIRE PNK/BLU WIRE R,RTN RED WIRE RIGHT FRONT DOOR BASS SPEAKER RIGHT FRONT DOOR TWEETER RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL BACK, VOICE FORWARD/ CONTROL SYSTEM BACK BUTTON OFF BUTTON SCROLL FORWARD/ SEDAN STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS STEERING WHEEL ELECTRONICS (INSIDE STEERING WHEEL) SYSTEM SELECTION BUTTON TEL U MFL R U MLL L VOICE CONTROL SYSTEM ON BUTTON VOICE CONTROL SYSTEM SELECTION SYSTEM ON BUTTON BUTTON W/ NAVIGATION WAGON WHT WIRE YEL WIRE

1 2 3 4 5 6 HS(-) ML/K HS(+) ML+ HS(+) MK+ 13 14 HS(+) 30 FDS CAN B FDS CAN B 3 4 31 HS(+) HS(-) BLK WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT CONTROL UNIT DRIVER SEAT CONTROL UNIT (UNDER DRIVER FRONT SEAT) DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FDS CAN B FUSE 62 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/VIO WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HS(+) HV HS(-) HV MOT+ HV MOT+ NV MOT- NV MOT+ LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) LIN BUS LV HS(-) LV MOT+ LV MOT- LV MOT+ HV MOT- MK+ ML+ ML/K MLS MLS H MLS H MLS V CAN-B L MLS CAN-B H 30 MLS V NV HS(-) NV MOT+ REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRN WIRE RED/YEL WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE YEL/BLU WIRE

1 2 3 4 5 6 7 (+) SIG (-) 31 30 1 2 3 4 5 6 7 END CAN-B H CAN-B L 30 31 END 1 2 3 SIG 31 31 SIG SIG SIG BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CRUISE CONTROL RESUME LEVER FROM MEMORY SWITCH CRUISE CONTROL LEVER DRIVER DYNAMIC MULTICONTOUR SEAT BUTTON GROUP DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT (IN DRIVER SEAT BACK) DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH DRIVER SEAT LUMBAR SUPPORT PNEUMATIC PUMP DRIVER SEAT SIDE BOLSTER AIR CUSHION ADJUSTMENT BUTTON DYNAMIC BUTTON END END END GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/PNK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE LEFT FRONT DYNAMIC MULTICONTOUR SEAT CONTROL UNIT LEFT FRONT SEAT MASSAGE FUNCTION ACTUATOR MOTOR LUMBAR SUPPORT +/- ADJUSTMENT BUTTON LUMBAR SUPPORT UP/ DOWN ADJUSTMENT BUTTON MESSAGE FUNCTION BUTTON NCA WIRE RED WIRE RED/GRN WIRE RESUME FROM MEMORY SWITCH SEAT CUSHION LENGTH BUTTON SEAT DYNAMIC CUSHION BUTTON LENGTH BUTTON SIG SIG SIG SIG SIG SIG STEERING COLUMN IN/OUT ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN IN/OUT ADJUSTMENT MOTOR, HALL SENSOR (ON STEERING COLUMN) STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR, HALL SENSOR (ON STEERING COLUMN) YEL WIRE YEL/BLU 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 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 RIGHT FRONT VARIO-LED LAMP UNIT RIGHT HEADLAMP CONTROL UNIT RIGHT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR RIGHT LED DRIVING LIGHTS ACTUATION MODULE FAN MOTOR RIGHT LIGHT DISTRIBUTION ACTUATOR MOTOR YEL 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 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 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 REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT HEADLAMP CONTROL UNIT RIGHT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR 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 (+) 31 1 2 3 PNK WIRE 1 2 5 4 CAN B L CAN B H 30 31 10 7 9 8 3 6 (+) SIG 31 SIG LED LED 3 6 1 2 LED LED (+) 31 5 1 2 4 30 CAN-B L CAN-B H 31 8 10 7 9 SIG (+) SIG 31 AUTOMATIC DIMMING MIRROR BLK WIRE BLK/BRN WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER CRUISE CONTROL RESUME LEVER FROM MEMORY SWITCH DEFOGGER SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EXTERIOR DEFOGGER LIGHTS SYSTEM SYSTEM FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 2 FUSE 41 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES FRONT SAM CONTROL MODULE W/ FUSE/ RELAY HOT AT ALL TIMES REAR SAM CONTROL MODULE FRONT W/ FUSE/ LED LED 31 LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR (IF EQUIPPED) LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) LEFT MIRROR HEATER OUTSIDE MIRROR TURN SIGNAL LAMP LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH LEFT OUTSIDE MIRROR AMBIENT LAMP LEFT OUTSIDE MIRROR AMBIENT LAMP (IF EQUIPPED) LEFT OUTSIDE MIRROR TURN SIGNAL LAMP MIRROR HEATER MIRRORS MIRRORS SYSTEM SYSTEM MIRRORS SYSTEM MODULE (LEFT REAR OF ENGINE COMPT) OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD-IN/ FOLD-OUT ELECTRIC MOTOR OUTSIDE MIRROR FOLD-IN/ FOLD-OUT SWITCH PNK BRN/PNK WIRE PNK WIRE REAR SAM CONTROL MODULE FRONT W/ FUSE/ RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) RESUME FROM MEMORY SWITCH RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) RIGHT LEFT OUTSIDE OUTSIDE MIRROR MIRROR ADJUSTMENT ADJUSTMENT SWITCH SWITCH RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR (IF EQUIPPED) RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP SIG STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) VERTICAL, HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR VERTICAL, HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR POTENTIOMETER VIO WIRE YEL WIRE

1 2 3 4 5 6 HS(-) ML/K HS(+) ML+ HS(+) MK+ 1 2 CAN B L CAN B H BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN-B H 30 COMPUTER DATA LINES SYSTEM FDS 30 FDS 30 CAN-B L CAN-B H 3 4 FDS 31 FRONT PASSEN- GER SEAT FORE/AFT ADJUSTMENT MOTOR FRONT PASSEN- GER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSEN- GER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT CONTROL UNIT (UNDER FRONT PASSENGER FRONT SEAT) FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR FUSE 64 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/VIO WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HS(+) HV HS(-) HV MOT+ HV MOT+ NV MOT- NV MOT+ LV HS(-) LV MOT+ LV MOT- LV MOT+ HV MOT- MK+ ML+ ML/K NCA WIRE NV HS(-) NV MOT+ REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP (W/ FULLY ELECTRIC SEAT ADJUSTMENT) VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE

1 2 3 4 5 6 7 (+) SIG (-) 31 30 1 2 3 4 5 6 7 END CAN-B H CAN-B L 30 31 END 1 2 3 SIG 31 31 SIG SIG SIG BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CRUISE CONTROL RESUME LEVER FROM MEMORY SWITCH CRUISE CONTROL LEVER DYNAMIC BUTTON END END END FRONT PASSENGER DYNAMIC MULTICONTOUR SEAT BUTTON GROUP FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FRONT PASSENGER SEAT SIDE BOLSTER AIR CUSHION ADJUSTMENT BUTTON GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/PNK WIRE GRN/WHT WIRE GRY WIRE LUMBAR SUPPORT +/- ADJUSTMENT BUTTON LUMBAR SUPPORT UP/ DOWN ADJUSTMENT BUTTON MESSAGE FUNCTION BUTTON NCA WIRE RED WIRE RED/GRN WIRE RESUME FROM MEMORY SWITCH RIGHT FRONT DYNAMIC MULTICONTOUR SEAT CONTROL UNIT RIGHT FRONT SEAT MASSAGE FUNCTION ACTUATOR MOTOR SEAT CUSHION LENGTH BUTTON SIG SIG SIG SIG SIG SIG STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) YEL WIRE

1 2 3 4 CD LVDS - RES LVDS + GND 1 2 3 4 GND LVDS + RES LVDS - 1 2 MOST OUT MOST IN 31 CAN A L ACCEPT/ TERMINATE PHONE CALL BUTTON ANT SAT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BUTTONS +, - SETTING SPECIFIC FUNCTION, VOLUME CONTROL CAN A H CAN A L CAN B H CAN B L CAN B L COMPUTER DATA LINES SYSTEM CAN B H 31 CAN-A H CAN-A L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR (IF EQUIPPED) COMPUTER DATA LINES SYSTEM DELETE BUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 11 FUSE 13 FUSE 26 FUSE 84 FUSE FUSE FUSE FUSE W/ FUSE, RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) GND CD GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED KEEP ON KEEP ON 14 15 16 LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LVDS MOBILE PHONE ELECTRICAL CONNECTOR MOBILE PHONE ELECTRICAL CONNECTOR (IF EQUIPPED), MOST MOST DATA BUS CIRCUIT MOST IN MOST IN MOST MOST OUT MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE PNK/BLU WIRE RADIO REAR SAM CONTROL MODULE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RES+ RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SAT SCROLL OK FORWARD/ BUTTON BACK BUTTON SDAR CONTROL UNIT/ HIGH DEFINITION TUNER SDAR CONTROL UNIT/ HIGH DEFINITION TUNER (LEFT SIDE OF LUGGAGE COMPT) SHIELD SHIELD ANT STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) SYSTEM SELECTION BUTTON VOICE CONTROL SYSTEM ON BUTTON W/ DIRECT SELECT W/O DIRECT SELECT WAKE UP MOST DATA 1 2 3 4 BUS CIRCUIT MOST OUT MOST IN WAKE-UP WHT WIRE YEL WIRE

6 HYBRID ANT BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B H SIG CAN B L CAN B L SIG COMBUSTION AIR BLOWER COMPUTER DATA LINES SYSTEM EARLY PRODUCTION EXCEPT HYBRID FRONT SAM CONTROL UNIT W/FUSE, RELAY MODULE FUEL PREHEATING SYSTEM HEATING ELEMENT FUSE 116 FUSE 18 FUSE 73 GLOW PLUG/ FLAME MONITOR UNIT GRY/WHT WIRE HEATER CONTROL UNIT HOT AT ALL TIMES HOT AT ALL TIMES INTERIOR FUSE BOX FUSE 116 HOT AT ALL TIMES STATIONARY HEATER FUSE INTERIOR FUSE BOX LATE PRODUCTION LIN 1 MOBILE PHONE, STATIONARY HEATER RADIO REMOTE CONTROL ANTENNA SPLITTER MULTI-FUNCTION ANTENNA NCA WIRE ORG/ WIRE REAR SAM CONTROL MODULE W/FUSE/ RELAY MODULE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE SIG STATIONARY HEATER BUTTON STATIONARY HEATER FUEL PUMP STATIONARY HEATER FUEL PUMP (UNDER RIGHT REAR OF VEHICLE) STATIONARY HEATER FUSE STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER SWITCHOVER VALVE (PART OF STATIONARY HEATER UNIT) STATIONARY HEATER UNIT STATIONARY HEATER UNIT (PART OF STATIONARY HEATER UNIT) SWITCHOVER VALVE TEMPERATURE SENSOR TES THERMAL FUSE UPPER CONTROL PANEL CONTROL UNIT W/ MOBILE PHONE W/O MOBILE PHONE WHT WIRE