Mercedes-Benz E-class W212/S212/C207/A207 facelift (2013-2016) driver seat control unit Wiring diagrams

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 CAN-B H CAN-B L 10 9 CAN-B H CAN-B L 2 1 CAN-B H CAN-B L 2 1 W/ PANORAMIC SLIDING ROOF 2 3 CAN-B H CAN-B L 3 1 2 31 CAN-B H CAN-B L 3 12 CAN-B H CAN-B L 4 2 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 11 CAN-B L CAN-B H BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L CAN E H CAN E L COMAND CONTROL UNIT (IF EQUIPPED) COMMAND CONTROL UNIT DRIVER SEAT CONTROL UNIT DYNAMIC MULTICONTOUR SEAT PNEUMATIC PUMP FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE GRN WIRE GRN/WHT WIRE LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DYNAMIC MULTICONTOUR SEAT CONTROL UNIT LEFT REAR DOOR CONTROL UNIT LEFT VEHICLE FLOOR INTERIOR CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE PANORAMIC SLIDING ROOF CONTROL MODULE (CENTER FRONT OF ROOF) PNK/GRN WIRE RADIO (W/ AUDIO 20 RADIO) RADIO (W/ AUDIO 20 RADIO) RADIO W/ AUTO PILOT SYSTEM (W/ AUDIO 50) RADIO W/ AUTO PILOT SYSTEM TAILGATE CONTROL UNIT (WAGON) TRUNK LID CONTROL UNIT TAILGATE CONTROL UNIT (WAGON) TRUNK LID CONTROL UNIT (SEDAN) W/ AUDIO 20 RADIO, RADIO 50 W/ MEMORY W/O AUDIO 20 RADIO, RADIO 50 W/O MEMORY WAGON

AAG AIRMATIC CONTROL UNIT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CIRCUIT 15 RELAY CONTROL UNIT (IF EQUIPPED) COOLANT CIRCULATION PUMP RELAY DC/AC CONVERTER CONTROL UNIT DIGITAL AUDIO BROADCASTING CONTROL UNIT DRIVER SEAT CONTROL UNIT DRIVER SEAT NECK-PRO HEAD RESTRAINT SOLENOID DYNAMIC MULTICONTOUR SEAT PNEUMATIC PUMP EMERGENCY CALL SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT COOLANT (IF EQUIPPED) CIRCULATION PUMP RELAY ENABLE FROM FUSE 41 (DIAGRAM FROM FUSE 61 (DIAGRAM 1 OF 5) FROM FUSE 63 (DIAGRAM FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT NECK-PRO HEAD RESTRAINT SOLENOID FRONT VEHICLE INTERIOR POWER OUTLET FUEL PUMP CONTROL UNIT FUEL PUMP CONTROL UNIT (IF EQUIPPED) FUEL PUMP RELAY FUEL PUMP RELAY FUSE 42 FUSE FUSE 37 FUSE 38 FUSE 42 FUSE 56 FUSE 57 FUSE 58 FUSE 59 FUSE 60 FUSE 62 FUSE 63 FUSE 64 FUSE 68 FUSE 71 FUSE 83 FUSE 84 FUSE 86 FUSE 87 FUSE 87 FUSE 86 FUSE 89 FUSE 90 FUSE FUSE GRN PNK/ WIRE GRN WIRE GRN/RED WIRE GRY WIRE LEFT REAR DISPLAY, RIGHT REAR DISPLAY, DVD PLAYER LEFT REAR DISPLAY, RIGHT REAR DISPLAY, DVD PLAYER (IF EQUIPPED) LEFT, RIGHT REAR BUMPER RADAR SENSOR LEFT/RIGHT FRONT BUMPER DISTRONIC SENSOR MULTICONTOUR SEAT PNEUMATIC PUMP NCA WIRE ORG/ WIRE ORG/RED WIRE PAS CONTROL UNIT PAS CONTROL UNIT (IF EQUIPPED) PNK WIRE PNK/GRN WIRE REAR AXLE ELECTRONIC LEVEL CONTROL UNIT REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE REAR SEAT HEATERS CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT (IF EQUIPPED) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY 1 RES FUSE RES FUSE 48 SCR SEAT ADJUSTMENT RELAY SOCKET TAILGATE WINDSHIELD WIPER RELAY TO FUSE 68 (DIAGRAM 2 OF 5) TO FUSE 73 (DIAGRAM TO FUSE 85 (DIAGRAM TRAILER RECOGNITION CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT (W/ TRAILER HITCH) TRAILER SOCKET (W/ TRAILER HITCH) VIO/RED WIRE W/ INTELLIGENT SERVO MODULE FOR DIRECT SELECT W/O SMOKER PACKAGE WHT WIRE YEL/RED WIRE

15 RELAY (DIAGRAM 2 OF 6) TO FUSE 89 (DIAGRAM 2 OF 6) AC HOUSING, AIRSCARF SYSTEM ALTERNATOR ALTERNATOR STARTER AM AMPLIFIER W/ SELECTION SWITCH AM, FM, AM AMPLIFIER ANTENNA W/ SELECTION AMPLIFIER SWITCH BATTERY SENSOR BLK WIRE BLK/ORG WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE COMBUSTION ENGINE, AIR CONDITIONING W/ INTEGRATED CONTROL FAN MOTOR CONTROL UNIT) COUPE DRIVER SEAT CONTROL UNIT DRIVER SEAT HEATER CONTROL UNIT DRIVER SEAT HEATER CONTROL UNIT (IF EQUIPPED) ECO START/ STOP FUNCTION ADDITIONAL BATTERY ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ECO START/STOP FUNCTION DIODE ELECTRICAL POWER STEERING CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT (IF EQUIPPED) FROM FUSE FROM FUSE 160 162 (DIAGRAM 1 OF 6) FRONT ELECTRICAL PREFUSE BOX FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT PASSENGER SEAT CONTROL UNIT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FSSP FULLY INTEGRATED TRANSMISSION CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT TERMINAL 30 ELECTRICAL FUSE FUSE FUSE 116 FUSE 117 FUSE 126 FUSE 127 FUSE 150 FUSE 151 FUSE 151 FUSE 159 161 FUSE 152 FUSE 153 FUSE 154 153 FUSE 155 FUSE 157 FUSE 158 160 FUSE 159 FUSE 159 161 FUSE 160 162 FUSE 161 156 FUSE 162 FUSE 163 158 FUSE 164 FUSE 46 FUSE 88 FUSE FUSE FUSE GRY/YEL WIRE INTERIOR FUSE BOX INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT OF LUGGAGE COMPT) ON BOARD BATTERY ELECTRICAL SENSOR SYSTEM BATTERY ON-BOARD ELECTRICAL SYSTEM BATTERY PYRO- FUSE QUIESCENT CURRENT CUTOUT RELAY REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE REAR SAM CONTROL UNIT W/ FUSE/ TO CIRCUIT 15 RELAY (DIAGRAM 2 OF 6) REAR WINDOW ANTENNA AMPLIFIER 1 REAR WINDOW ANTENNA AMPLIFIER 1 (COUPE) REAR WINDOW ANTENNA AMPLIFIER 2 REAR WINDOW ANTENNA FM ANTENNA AMPLIFIER RED (OR BLK) WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RES FUSE RES FUSE 123 RES FUSE 124 RESERVE FUSE RESERVE FUSE 40 RESERVE FUSE 47 STARTER SUPPLEMENTAL FSSP RESTRAINTS (NOT USED) SUPPLEMENTAL RESTRAINT SYSTEM SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINTS TO CIRCUIT TO FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (DIAGRAM 4 OF 6) TO FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (DIAGRAM 6 OF 6) TO FUSE 150 (DIAGRAM 1 OF 6) TO RESERVE FUSE 118 (DIAGRAM 5 OF 6) VIO/BLU WIRE W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION W/ ECO START/ STOP FUNCTION W/O SEAT VENTILATION W/ SEAT VENTILATION WHT/GRN WIRE YEL RED/ WIRE YEL WIRE

15 RELAY (DIAGRAM 2 OF 6) TO FUSE 89 (DIAGRAM 2 OF 6) AC HOUSING, AIRSCARF SYSTEM ALTERNATOR ALTERNATOR STARTER AM AMPLIFIER W/ SELECTION SWITCH AM, FM, AM AMPLIFIER ANTENNA W/ SELECTION AMPLIFIER SWITCH BATTERY SENSOR BLK WIRE BLK/ORG WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE COMBUSTION ENGINE, AIR CONDITIONING W/ INTEGRATED CONTROL FAN MOTOR CONTROL UNIT) COUPE DRIVER SEAT CONTROL UNIT DRIVER SEAT HEATER CONTROL UNIT DRIVER SEAT HEATER CONTROL UNIT (IF EQUIPPED) ECO START/ STOP FUNCTION ADDITIONAL BATTERY ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ECO START/STOP FUNCTION DIODE ELECTRICAL POWER STEERING CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT (IF EQUIPPED) FROM FUSE FROM FUSE 160 162 (DIAGRAM 1 OF 6) FRONT ELECTRICAL PREFUSE BOX FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT PASSENGER SEAT CONTROL UNIT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FSSP FULLY INTEGRATED TRANSMISSION CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT TERMINAL 30 ELECTRICAL FUSE FUSE FUSE 116 FUSE 117 FUSE 126 FUSE 127 FUSE 150 FUSE 151 FUSE 151 FUSE 159 161 FUSE 152 FUSE 153 FUSE 154 153 FUSE 155 FUSE 157 FUSE 158 160 FUSE 159 FUSE 159 161 FUSE 160 162 FUSE 161 156 FUSE 162 FUSE 163 158 FUSE 164 FUSE 46 FUSE 88 FUSE FUSE FUSE GRY/YEL WIRE INTERIOR FUSE BOX INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT OF LUGGAGE COMPT) ON BOARD BATTERY ELECTRICAL SENSOR SYSTEM BATTERY ON-BOARD ELECTRICAL SYSTEM BATTERY PYRO- FUSE QUIESCENT CURRENT CUTOUT RELAY REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE REAR SAM CONTROL UNIT W/ FUSE/ TO CIRCUIT 15 RELAY (DIAGRAM 2 OF 6) REAR WINDOW ANTENNA AMPLIFIER 1 REAR WINDOW ANTENNA AMPLIFIER 1 (COUPE) REAR WINDOW ANTENNA AMPLIFIER 2 REAR WINDOW ANTENNA FM ANTENNA AMPLIFIER RED (OR BLK) WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RES FUSE RES FUSE 123 RES FUSE 124 RESERVE FUSE RESERVE FUSE 40 RESERVE FUSE 47 STARTER SUPPLEMENTAL FSSP RESTRAINTS (NOT USED) SUPPLEMENTAL RESTRAINT SYSTEM SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINTS TO CIRCUIT TO FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (DIAGRAM 4 OF 6) TO FRONT SAM CONTROL MODULE W/ FUSE/RELAY MODULE (DIAGRAM 6 OF 6) TO FUSE 150 (DIAGRAM 1 OF 6) TO RESERVE FUSE 118 (DIAGRAM 5 OF 6) VIO/BLU WIRE W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION W/ ECO START/ STOP FUNCTION W/O SEAT VENTILATION W/ SEAT VENTILATION WHT/GRN WIRE YEL RED/ WIRE YEL WIRE

AAG AIRMATIC CONTROL UNIT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CIRCUIT 15 RELAY CONTROL UNIT (IF EQUIPPED) COOLANT CIRCULATION PUMP RELAY DC/AC CONVERTER CONTROL UNIT DIGITAL AUDIO BROADCASTING CONTROL UNIT DRIVER SEAT CONTROL UNIT DRIVER SEAT NECK-PRO HEAD RESTRAINT SOLENOID DYNAMIC MULTICONTOUR SEAT PNEUMATIC PUMP EMERGENCY CALL SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT COOLANT (IF EQUIPPED) CIRCULATION PUMP RELAY ENABLE FROM FUSE 41 (DIAGRAM FROM FUSE 61 (DIAGRAM 1 OF 5) FROM FUSE 63 (DIAGRAM FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT NECK-PRO HEAD RESTRAINT SOLENOID FRONT VEHICLE INTERIOR POWER OUTLET FUEL PUMP CONTROL UNIT FUEL PUMP CONTROL UNIT (IF EQUIPPED) FUEL PUMP RELAY FUEL PUMP RELAY FUSE 42 FUSE FUSE 37 FUSE 38 FUSE 42 FUSE 56 FUSE 57 FUSE 58 FUSE 59 FUSE 60 FUSE 62 FUSE 63 FUSE 64 FUSE 68 FUSE 71 FUSE 83 FUSE 84 FUSE 86 FUSE 87 FUSE 87 FUSE 86 FUSE 89 FUSE 90 FUSE FUSE GRN PNK/ WIRE GRN WIRE GRN/RED WIRE GRY WIRE LEFT REAR DISPLAY, RIGHT REAR DISPLAY, DVD PLAYER LEFT REAR DISPLAY, RIGHT REAR DISPLAY, DVD PLAYER (IF EQUIPPED) LEFT, RIGHT REAR BUMPER RADAR SENSOR LEFT/RIGHT FRONT BUMPER DISTRONIC SENSOR MULTICONTOUR SEAT PNEUMATIC PUMP NCA WIRE ORG/ WIRE ORG/RED WIRE PAS CONTROL UNIT PAS CONTROL UNIT (IF EQUIPPED) PNK WIRE PNK/GRN WIRE REAR AXLE ELECTRONIC LEVEL CONTROL UNIT REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE REAR SEAT HEATERS CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT (IF EQUIPPED) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY 1 RES FUSE RES FUSE 48 SCR SEAT ADJUSTMENT RELAY SOCKET TAILGATE WINDSHIELD WIPER RELAY TO FUSE 68 (DIAGRAM 2 OF 5) TO FUSE 73 (DIAGRAM TO FUSE 85 (DIAGRAM TRAILER RECOGNITION CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT (W/ TRAILER HITCH) TRAILER SOCKET (W/ TRAILER HITCH) VIO/RED WIRE W/ INTELLIGENT SERVO MODULE FOR DIRECT SELECT W/O SMOKER PACKAGE WHT WIRE YEL/RED WIRE

AAG AIRMATIC CONTROL UNIT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CIRCUIT 15 RELAY CONTROL UNIT (IF EQUIPPED) COOLANT CIRCULATION PUMP RELAY DC/AC CONVERTER CONTROL UNIT DIGITAL AUDIO BROADCASTING CONTROL UNIT DRIVER SEAT CONTROL UNIT DRIVER SEAT NECK-PRO HEAD RESTRAINT SOLENOID DYNAMIC MULTICONTOUR SEAT PNEUMATIC PUMP EMERGENCY CALL SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT COOLANT (IF EQUIPPED) CIRCULATION PUMP RELAY ENABLE FROM FUSE 41 (DIAGRAM FROM FUSE 61 (DIAGRAM 1 OF 5) FROM FUSE 63 (DIAGRAM FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT NECK-PRO HEAD RESTRAINT SOLENOID FRONT VEHICLE INTERIOR POWER OUTLET FUEL PUMP CONTROL UNIT FUEL PUMP CONTROL UNIT (IF EQUIPPED) FUEL PUMP RELAY FUEL PUMP RELAY FUSE 42 FUSE FUSE 37 FUSE 38 FUSE 42 FUSE 56 FUSE 57 FUSE 58 FUSE 59 FUSE 60 FUSE 62 FUSE 63 FUSE 64 FUSE 68 FUSE 71 FUSE 83 FUSE 84 FUSE 86 FUSE 87 FUSE 87 FUSE 86 FUSE 89 FUSE 90 FUSE FUSE GRN PNK/ WIRE GRN WIRE GRN/RED WIRE GRY WIRE LEFT REAR DISPLAY, RIGHT REAR DISPLAY, DVD PLAYER LEFT REAR DISPLAY, RIGHT REAR DISPLAY, DVD PLAYER (IF EQUIPPED) LEFT, RIGHT REAR BUMPER RADAR SENSOR LEFT/RIGHT FRONT BUMPER DISTRONIC SENSOR MULTICONTOUR SEAT PNEUMATIC PUMP NCA WIRE ORG/ WIRE ORG/RED WIRE PAS CONTROL UNIT PAS CONTROL UNIT (IF EQUIPPED) PNK WIRE PNK/GRN WIRE REAR AXLE ELECTRONIC LEVEL CONTROL UNIT REAR SAM CONTROL MODULE W/ FUSE/RELAY MODULE REAR SEAT HEATERS CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT (IF EQUIPPED) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY 1 RES FUSE RES FUSE 48 SCR SEAT ADJUSTMENT RELAY SOCKET TAILGATE WINDSHIELD WIPER RELAY TO FUSE 68 (DIAGRAM 2 OF 5) TO FUSE 73 (DIAGRAM TO FUSE 85 (DIAGRAM TRAILER RECOGNITION CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT (W/ TRAILER HITCH) TRAILER SOCKET (W/ TRAILER HITCH) VIO/RED WIRE W/ INTELLIGENT SERVO MODULE FOR DIRECT SELECT W/O SMOKER PACKAGE WHT WIRE YEL/RED WIRE