Mercedes-Benz S-class W221 facelift (2009-2013) red/gry Wiring diagrams

1 2 3 4 CAN-B L CAN-B H 31 30 1 2 ROTARY TUMBLER SWITCH 1 2 SIG (-) 2 1 FLAT WIRE FLAT WIRE 3 4 2 1 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE 31 58 58 31 3 4 FLAT WIRE FLAT WIRE 31 15 4 5 MOTOR MOTOR 4 5 SVS-MOT SVS-MOT 7 8 FLAT WIRE FLAT WIRE 9 10 1 2 4 8 3 TZS-MOT TZS-MOT ZV-MOT ZV-MOT 31 31 DFK BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CL (ZV) MOTOR COMPUTER DATA LINES SYSTEM DATA 31 15 FLAT WIRE FLAT WIRE DOOR ADDITIONAL LOCK MOTOR DRIVE LOCK PAWL SWITCH DRIVER DOOR INFRARED SENSOR FLAT WIRE FUSE 80 FUSE 82 FUSE 70 FUSE 81 GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES KEYLESS GO SYSTEM CIRCUIT LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT DOOR ENTRANCE, EXIT LAMP LEFT FRONT DOOR INSIDE HANDLE ILLUMINATION LEFT FRONT DOOR LOCK UNIT LEFT FRONT DOOR TRIM STRIP ILLUMINATION LAMP 1 LEFT FRONT DOOR WARNING LAMP LEFT REAR DOOR CONTROL MODULE LEFT REAR DOOR ENTRANCE, EXIT LAMP LEFT REAR DOOR LOCK UNIT LEFT REAR DOOR TRIM STRIP ILLUMINATION LEFT REAR DOOR WARNING LAMP LEFT REAR INSIDE DOOR HANDLE ILLUMINATION NCA WIRE OPENING ASSIST MOTOR ORG/ WIRE PNK/BLU WIRE PNK/VIO WIRE POWER CLOSING MOTOR RED WIRE RED/GRN WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BOX (UNDER RIGHT SIDE DASH COVER) ROTARY TUMBLER SWITCH SAFETY LIMIT SWITCH W/ POWER CLOSING WHT WIRE WHT/VIO WIRE YEL WIRE ZV-MOT ZV-MOT 31 DFK

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

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 12 6 2 8 7 31 CAN-B H CAN-B L 31 12 13 CAN-F L CAN-F H 15 16 CAN-B H CAN-B L BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE COCKPIT SWITCH GROUP COMPUTER DATA LINES SYSTEM EXTERIOR LAMP SWITCH FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) FUSE 6 PREFUSE BOX (RIGHT REAR ENGINE COMPT) GRY/RED WIRE GRY/YEL WIRE HCS (SRA) SWITCH HCS PUMP (LEFT FRONT WHEELWELL) HOT AT ALL TIMES INSTRUMENT CLUSTER LIN BUS RED WIRE RED/GRY WIRE UPPER CONTROL PANEL CONTROL UNIT YEL WIRE YEL/WHT WIRE

1 2 3 4 AIS SER 10 9 8 7 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE 14 13 CAN-B L CAN-B H 31 LL HR 31 9 3 5 1 12 6 FRB-VR FRB-VL HSK-BEL 31 CAN-B H CAN-B L AMBIANCE ILLUMINATION LED 1 AMBIANCE ILLUMINATION LED 2 AMBIANCE ILLUMINATION LED 3 BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM DATA FLAT WIRE FOG LAMP IND LAMP GARAGE DOOR OPENER ASSEMBLY GARAGE DOOR OPENER INDICATOR LAMP GLOVE COMPARTMENT LAMP GLOVE COMPARTMENT LAMP SWITCH GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES INTERIOR FUSE PREFUSE BOX (RIGHT FRONT FOOTWELL) ILLUMINATION FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE INTERIOR REARVIEW MIRROR UNIT LAMP LEFT FRONT FOOTWELL LAMP LEFT FRONT VANITY MIRROR ILLUMINATION LEFT FRONT VANITY MIRROR ILLUMINATION SWITCH LEFT LUGGAGE COMPARTMENT LAMP LEFT READING LAMP LEFT REAR DOME LAMP LEFT REAR FOOTWELL LEFT REAR VANITY MIRROR ILLUMINATION LEFT TRUNK LID AMBIENT, WARNING LAMP LL HL NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) RAIN/LIGHT SENSOR (FRONT CENTER OF ROOF) REAR AMBIENT LAMP REAR FOG LAMP IND REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRY WIRE RIGHT AMBIENT READING LAMP LAMP RIGHT FRONT FOOTWELL LAMP RIGHT LUGGAGE COMPARTMENT LAMP RIGHT REAR VANITY MIRROR RIGHT TRUNK LID AMBIENT, WARNING LAMP ROTARY LIGHT SWITCH UPPER CONTROL PANEL CONTROL MODULE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 VL VR VL HR ANT ANT ANT 1 2 3 4 5 6 7 8 9 10 30 31 GND VL GND VR GND HL GND HR BLK WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN B H CAN-B L ANT ANT GND GND GND GND GND CAN-FH CAN-FL CENTER CONSOLE KEYLESS GO ANTENNA (UNDER CENTER CONSOLE) COMFORT SENSOR COMPUTER DATA LINES SYSTEM GND ANT GRN/BRN WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE INSTRUMENT CLUSTER KEYLESS GO CONTROL MODULE (RIGHT REAR TRUNK) LEFT FRONT DOOR LOCK UNIT LEFT FRONT KEYLESS GO SENSOR UNIT LEFT REAR DOOR KEYLESS GO ANTENNA LEFT REAR DOOR LOCK UNIT LEFT REAR KEYLESS GO SENSOR UNIT MULTI-FUNCTION DISPLAY NCA WIRE OPENING ASSIST MOTOR ORG/ WIRE REAR WINDOW ANTENNA AMPLIFIER MODULE (REAR CENTER OF ROOF) RED WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RIGHT FRONT DOOR LOCK UNIT RIGHT FRONT KEYLESS GO SENSOR UNIT RIGHT REAR DOOR KEYLESS GO ANTENNA (IN RIGHT REAR DOORS) RIGHT REAR DOOR LOCK UNIT RIGHT REAR KEYLESS GO SENSOR UNIT TRUNK KEYLESS GO ANTENNA (CENTER FRONT OF TRUNK) WHT/BRN WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE 1 2 3 4 5 6 7 8 ALS SER 1 2 3 4 5 CAN-B L 31 LL HR 31 DATA 30 31 AMBIENT LAMP AUTOMATIC DIMMING MIRROR BACK AUTOMATIC DIMMING INTERIOR REARVIEW MIRROR SENSOR BLU WIRE BRN WIRE BRN/RED WIRE BUTTON 1 CAN-B H 31 30 COMPUTER DATA LINES SYSTEM DOOR CONTACT ON/OFF SWITCH ELECTRIC PARKING BRAKE SWITCH EMERGENCY CALL SYSTEM CONTROL UNIT (LEFT FRONT OF TRUNK) FLAT WIRE FLAT WIRE FLAT WIRE 3 2 1 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FORWARD AUTOMATIC DIMMING INTERIOR REARVIEW MIRROR SENSOR FRONT DOME LAMP FRONT DOME LAMP SWITCH FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) FUSE 126 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GARAGE DOOR OPENER TRANSMITTER UNIT (INSIDE REARVIEW MIRROR) GRN WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR UNIT LEFT FRONT READING LAMP SWITCH LEFT READING LAMP LEFT REAR FOOTWELL LL HR MB-INFO, TELEDIAGNOSIS BUTTON GROUP NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) REAR DOME LAMP, SWITCH REAR ROLLER SUN BLIND SWITCH REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) RED WIRE RED/GRY WIRE RIGHT FRONT READING LAMP SWITCH RIGHT READING LAMP ROOF SWITCH SOS PUSHBUTTON SWITCH YEL WIRE YEL/GRN WIRE YEL/PNK WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 102 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 INSTRUMENT PANEL FUSE BOX (UNDER LEFT SIDE DASH COVER) ORG/ WIRE RED WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT BACKREST ANGLE ADJUSTMENT MOTOR RIGHT FRONT HEAD RESTRAINT MOTOR RIGHT FRONT SEAT BELT COMFORT SOLENOID RIGHT FRONT SEAT CONTROL MODULE RIGHT FRONT SEAT CUSHION FORWARD/BACK MOTOR (UNDER RIGHT FRONT SEAT) RIGHT FRONT SEAT CUSHION INCLINATION MOTOR (IN RIGHT SEAT CUSHION) RIGHT FRONT SEAT FORE/AFT ADJUSTMENT MOTOR (UNDER RIGHT REAR SEAT) RIGHT FRONT SEAT HEIGHT ADJUSTMENT MOTOR SEATS SYSTEM WHT WIRE YEL WIRE YEL/RED WIRE

30 115 AC INVERTER ALARM LEFT REAR DOOR SIGNAL SIREN CONTROL MODULE BRN WIRE CIGAR LIGHTER RELAY DC/AC CONVERTER CONTROL UNIT DIGITAL SOUND PROCESSOR (W/ BANG, OLUFSEN SOUND SYSTEM) ELECTRIC PARKING BRAKE CONTROL UNIT FROM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 1 OF 4) FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) FROM REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 3 OF 4) FUSE 1 FUSE 2 FUSE 10 FUSE 117 FUEL PUMP RELAY FUSE 130 FUSE 131 FUSE 139 FUSE 140 FUSE 3 FUSE 4 FUSE 5 FUSE 7 FUSE 71 FUSE 73 FUSE 70 FUSE 72 FUSE 74 FUSE 77 FUSE 75 FUSE 76 FUSE 79 FUSE 78 FUSE 80 FUSE 8 FUSE 6 FUSE 81 FUSE 83 FUSE 82 FUSE 85 FUSE 84 FUSE 86 FUSE 87 FUSE 88 FUSE 89 FUSE 90 FUSE 91 FUSE 9 FUSE FUSE FUSE GRY/BLU WIRE HEATED REAR WNDOW RELAY HEATING ELEMENT INTELLIGENT SERVO MODULE FOR DIRECT SELECT INTERIOR LIGHTS SYSTEM (RIGHT REAR FOOTWELL) ME-SFI (ME) CONTROL UNIT, FUEL PUMP CONTROL UNIT NCA WIRE ORG/BLK WIRE ORG/BLU WIRE OUTSIDE SPEAKER INTERFE- RENCE FILTER PNK/GRN WIRE PNK/GRY WIRE PNK/RED WIRE POWER ELECTRONICS CIRCULATION PUMP RELAY 1 POWER ELECTRONICS CIRCULATION PUMP RELAY 2 POWER OUTLET RELAY POWER WINDOW HYDRAULIC PUMP RELAY REAR CIGAR LIGHTER REAR FUSE BOX I REAR FUSE BOX II REAR WINDOW ANTENNA AMPLIFIER MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR CONTROL MODULE SOCKET SPECIAL PROTECTION VEHICLE ADDITIONAL FUSE FUSE HOLDER (RIGHT FRONT OF TRUNK) SPECIAL VEHICLE MULTI-FUNCTION CONTROL MODULE TO CIRCUIT TO CIRCUIT 15 RELAY/ SPARE 1 RELAY (CHANGE OVER CONTACT) (DIAGRAM 4 OF 4) TO FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 4 OF 4) VACUUM LEFT FRONT DOOR PUMP CONTROL RELAY (+) MODULE

BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK 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 3 EV 5 EV 1 EV 8 EV 2 FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 30 GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/WHT WIRE HOT AT ALL TIMES ENGINE FUSE 6 COMPARTMENT PREFUSE BOX (RIGHT REAR ENGINE COMPT) HOT FILM MAF SENSOR (CENTER REAR OF ENGINE) INSTRUMENT CLUSTER LEFT INTAKE MANIFOLD TUMBLE FLAP POSITION SENSOR LEFT KNOCK SENSOR 2 (UNDER INTAKE MANIFOLD) ME-SFI (ME) CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) NCA WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/WHT 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 INTAKE MANIFOLD TUMBLE FLAP POSITION SENSOR RIGHT KNOCK SENSOR 1 (RIGHT SIDE OF ENGINE) SIG THROTTLE VALVE ACTUATOR (ON THROTTLE BODY ASSEMBLY) UPSTREAM TWC (KAT) (LEFT REAR OF ENGINE COMPT) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/PNK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/PNK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE