Mercedes-Benz S-class W221 facelift (2009-2013) grn/blu Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 SKT (+) SIG 31 MSNT (-) BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER LUMBAR SUPPORT REGULATOR CONTROL UNIT (IF EQUIPPED) FUSE 92 PANEL FUSE BOX (UNDER LEFT SIDE DASH COVER) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/RED WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FRONT HEAD RESTRAINT MOTOR LEFT FRONT SEAT BACKREST ANGLE ADJUSTMENT MOTOR (IN LEFT SEAT BACK) LEFT FRONT SEAT CONTROL MODULE LEFT FRONT SEAT CUSHION FORWARD/BACK MOTOR (UNDER LEFT FRONT SEAT) LEFT FRONT SEAT CUSHION INCLINATION MOTOR (IN LEFT SEAT CUSHION) LEFT FRONT SEAT FORE/AFT ADJUSTMENT MOTOR LEFT FRONT SEAT HEIGHT ADJUSTMENT MOTOR LEFT INSTRUMENT ORG/ WIRE RED WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEATS SYSTEM VZ (+) SIG MVZ (-) MVZ (-) MSKT (+) WHT WIRE YEL WIRE YEL/RED WIRE

4 2 3 1 CAN-B H CAN-B L BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN A H CAN A L CAN B H CAN B L COMAND CONTROL UNIT COMAND DISPLAY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM W/ MULTICONTOUR SEAT, DYNAMIC SEAT FUSE 127 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FRONT SEAT CONTROL MODULE LEFT REAR FOOTWELL LEFT REAR FOOTWELL LAMP LUMBAR PUMP (LEFT SIDE OF TRUNK) NCA WIRE ORG/ WIRE ORG/WHT WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SEATS SEATS SYSTEM SYSTEM SEATS SYSTEM VIO/GRY WIRE W/ LUMBAR SUPPORT SEAT

13 14 2 CAN-B H CAN-B L 3.BL 14 27 KZL-R KZL-L 2 11 CAN-E H CAN-E L 3 1 7 8 NSL-R BSL-R RFL-L BI-R 4 9 5 NSL-L BSL-L RFL-L 57 L 57 R BACKUP LAMPS CIRCUIT BI-L BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/GRY WIRE CENTER HIGH MOUNTED STOP LAMP COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES ENGINE COMPARTMENT PREFUSE BOX FUSE LEFT ACTIVE CURVE ILLUMINATION POSITION SENSOR LEFT FRONT HEADLAMP UNIT LEFT LICENSE PLATE LAMP LEFT REAR FOOTWELL LEFT RIGHT FRONT FRONT SIDE SIDE MARKER MARKER LAMP LAMP LEFT TAILLAMP NCA WIRE PARKING LAMP PNK 6 WIRE REAR FOG LAMP REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) RED WIRE RED/GRY WIRE RIGHT ACTIVE CURVE ILLUMINATION POSITION SENSOR RIGHT FRONT HEADLAMP UNIT RIGHT LICENSE PLATE LAMP RIGHT TAILLAMP STANDING STOP, TAIL, REAR PARKING LAMP REAR SIDE MARKER LAMP BACKUP LAMP FOG LAMP STOP/ TAIL/ PARKING LAMP TURN SIGNAL LAMP TURN SIGNAL LAMP (LEFT SIDE OF ENGINE COMPT) TURN SIGNAL LAMP REAR SIDE BACKUP LAMP MARKER LAMP VIO WIRE W/ BACKUP CAMERA WHT WIRE XENON HEADLAMP CONTROL MODULE YEL WIRE

1 2 3 4 5 6 30 31 CAN-B H CAN-B L 1 2 3 4 5 6 7 8 MOT-L MOT-NV MOT-NV MOT-NV MOT-LV 1 2 CAN B L CAN B H 7 8 9 10 11 12 SIBL SIBL (+) (+) 9 10 11 12 13 14 MOT-NV MOT-NV MOT-LV MOT-NV MOT-LV BACKREST SWITCH BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FLAT WIRE FLAT WIRE FLAT WIRE 1 2 3 UB 31 DATA FORE/AFT ADJUSTMENT SWITCH FRONT (OR) REAR SEAT ADJUSTMENT SELECTION SWITCH FUSE 143 FUSE 144 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/YEL WIRE GRY/PNK WIRE HEAD RESTRAINT ADJUSTMENT SWITCH HOT AT ALL TIMES HS LV- HS LV- HS NV+ HS NV+ HS LV+ HS NV+ HS NV+ HS NV+ HS NV- HS NV- LEFT REAR DOOR CONTROL MODULE LEFT REAR HEAD RESTRAINT INCLINATION ADJUSTMENT MOTOR LEFT REAR SEAT CUSHION INCLINATION ADJUSTMENT MOTOR (UNDER LEFT REAR SEAT) LEFT REAR SEAT FORE/AFT ADJUSTMENT MOTOR (UNDER LEFT REAR SEAT) LEFT REAR SEAT OPERATION SWITCH GROUP MOT-NV MOT-LV PNK/BLK WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/RED WIRE PNK/VIO WIRE PNK/WHT WIRE PNK/YEL WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) REAR SEATS CONTROL MODULE (RIGHT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT REAR RIGHT REAR DOOR CONTROL MODULE RIGHT REAR HEAD RESTRAINT INCLINATION ADJUSTMENT MOTOR RIGHT REAR SEAT OPERATION SWITCH GROUP RIGHT SEAT FORE/AFT ADJUSTMENT MOTOR (UNDER RIGHT REAR SEAT) SEAT CUSHION INCLINATION ADJUSTMENT MOTOR (UNDER RIGHT REAR SEAT) SEAT CUSHION INCLINATION SWITCH SEATS SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE

4 2 3 1 CAN-B H CAN-B L BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN A H CAN A L CAN B H CAN B L CAN-B H CAN-B L 30 31 CAN-F H CAN-F L CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT UPPER FOOTWELL) COMAND CONTROL UNIT COMAND DISPLAY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM W/ MULTICONTOUR SEAT, DYNAMIC SEAT DYNAMIC FRONT PASSENGER SEAT MASSAGE FUNCTION MAIN VALVE FRONT CENTRAL OPERATING UNIT FUSE 127 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR FOOTWELL LUMBAR PUMP (LEFT SIDE OF TRUNK) NCA WIRE ORG/ WIRE ORG/WHT WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DYNAMIC SEAT CONTROL MODULE RIGHT FRONT SEAT MASSAGE FUNCTION ACTUATOR MOTOR W/ LUMBAR SUPPORT SEAT WHT WIRE YEL WIRE YEL/WHT WIRE

ADJUSTMENT SWITCH BACKREST SWITCH BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DATA FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FORE/AFT, HEIGHT, INCLINATION FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HEAD RESTRAINT ADJUSTMENT RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT SEAT CONTROL MODULE RIGHT FRONT SEAT OPERATION SWITCH GROUP RIGHT REAR FOOTWELL LAMP SEAT CUHION FORE/AFT SWITCH SEATS SYSTEM SWITCH VIO/GRY WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 BSL R 3 BL ANTI-THEFT SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM WARNING SYSTEMS BLK WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/RED WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/YEL WIRE CAN-B H CAN-B L 15 54 31 CRUISE CONTROL SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (3.5L) (LEFT REAR ENGINE COMPT) FUSE GK L GK R GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/WHT WIRE HD AS HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES INTERIOR FUSE PREFUSE BOX (RIGHT FRONT FOOTWELL) HS + HS 1 HS 2 HS(+) INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER, MIRRORS SYSTEMS KZL L LEFT REAR FOOTWELL MEMORY SYSTEMS NAVIGATION SYSTEM NSL R NSL L RFL L BI L RFL L BI R BSL L PASSIVE RESTRAINT SYSTEM PNK/RED WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM NAVIGATION, SOUND SYSTEMS POWER TOPS SYSTEM POWER WINDOWS SYSTEM REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEATS, MEMORY SYSTEMS SHIFT INTERLOCK SYSTEM ENGINE CONTROLS SYSTEM SIG SOUND SYSTEMS SOUND SYSTEMS EXTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM DEFOGGER SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VOLUME CONTROL INTERMEDIATE CONNECTOR (W/ DVD) WHT WIRE

A S SL EV 2 BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/VIO WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE MIL INDICATOR CIRCUIT COMPUTER DATA LINES SYSTEM CRANKSHAFT HALL SENSOR (LEFT REAR OF ENGINE) EV 5 EV 6 EV 1 FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 30 GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES ENGINE COMPARTMENT PREFUSE BOX FUSE 6 HOT FILM MAF SENSOR (CENTER REAR OF ENGINE) INSTRUMENT CLUSTER LEFT KNOCK SENSOR 2 (LEFT CYLINDER BANK, UNDER INTAKE MANIFOLD) M R IPM M R LSIK ME-SFI (ME) CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) NCA WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/VIO WIRE PNK/YEL WIRE PRESSURE SENSOR RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY RIGHT KNOCK SENSOR 1 (RIGHT CYLINDER BANK, UNDER INTAKE MANIFOLD) SIG THROTTLE VALVE ACTUATOR (ON THROTTLE BODY ASSEMBLY) UPSTREAM TWC (KAT) (LEFT REAR OF ENGINE COMPT) VIO/BLK WIRE VIO/BRN WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

A S HAV A T DCM A T DCP A T OIL P A U UIP B D LIN BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COOLANT TEMPERATURE SENSOR (FRONT OF ENGINE) DOWNSTREAM TWC (KAT) (UNDER LEFT FRONT OF VEHICLE) DOWNSTREAM TWC (KAT) (UNDER RIGHT FRONT OF VEHICLE) E A LSHK E F KWGA E F KWGB E S FSOEL E-A-DS EV 2 EV 3 EV 4 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE ME-SFI (ME) CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) OIL LEVEL SWITCH PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/VIO WIRE PNK/YEL WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE STARTING/ CHARGING SYSTEM VARIABLE INTAKE MANIFOLD SWITCHOVER VALVE (TOP FRONT OF ENGINE) VIO WIRE VIO/BLK WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN RED/ WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE CYLINDER IGNITION COIL 1 (TOP OF RIGHT CYLINDER BANK) CYLINDER IGNITION COIL 2 (TOP OF RIGHT CYLINDER BANK) CYLINDER IGNITION COIL 3 (TOP OF RIGHT CYLINDER BANK) CYLINDER IGNITION COIL 4 (TOP OF LEFT CYLINDER BANK) CYLINDER IGNITION COIL 5 (TOP OF LEFT CYLINDER BANK) CYLINDER IGNITION COIL 6 (TOP OF LEFT CYLINDER BANK) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE LEFT INTAKE CAMSHAFT SOLENOID NCA WIRE PNK/YEL WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE SPARK PLUG VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE