Mercedes-Benz S-class W221 facelift (2009-2013) blu 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 1 2 2 9 10 1 4 2 3 8 7 KISI-MOT + 31 ZV-MOT ZV-MOT 31 DFK 1 2 4 3 CAN-B L CAN-B H 30 31 1 2 FLAT WIRE FLAT WIRE 1 2 SIG (-) 1 3 CAN-B L CAN-B H DOOR CONTACT ON, OFF SWITCH 4 3 2 1 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE 15 31 15 31 4 5 MOTOR MOTOR 4 5 SVS-MOT SVS-MOT 9 10 1 2 4 3 TZS-MOT TZS-MOT ZV-MOT ZV-MOT 31 DFK BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CL (ZV) MOTOR COMPUTER DATA LINES SYSTEM DOOR ADDITIONAL LOCK MOTOR DRIVE LOCK PAWL SWITCH FLAT WIRE FLAT WIRE FLAT WIRE 8 7 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE 3 4 2 1 31 58 58 31 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY WIRE KEYLESS GO SYSTEM CIRCUIT NCA WIRE OPENING ASSIST MOTOR ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) PNK/BLU WIRE PNK/VIO WIRE POWER CLOSING MOTOR RED WIRE RED/GRN WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT DOOR ENTRANCE, EXIT LAMP RIGHT FRONT DOOR INSIDE HANDLE ILLUMINATION RIGHT FRONT DOOR LOCK SWITCH RIGHT FRONT DOOR TRIM STRIP ILLUMINATION LAMP 1 RIGHT FRONT DOOR WARNING LAMP RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT REAR DOOR ENTRANCE, EXIT LAMP RIGHT REAR DOOR LOCK UNIT RIGHT REAR DOOR TRIM STRIP ILLUMINATION RIGHT REAR DOOR WARNING LAMP RIGHT REAR INSIDE DOOR HANDLE ILLUMINATION ROTARY TUMBLER SWITCH SAFETY LIMIT SWITCH W/ POWER CLOSING WHT/BRN WIRE WHT/VIO WIRE YEL WIRE

1 2 3 FLAT WIRE FLAT WIRE FLAT WIRE UB 31 DATA 1 2 7 9 30 31 CAN-B L CAN-B H 1 2 CAN B L CAN B H 2 7 9 31 CAN-B L CAN-B H BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM FUSE 102 FUSE 92 PANEL FUSE BOX (UNDER LEFT SIDE DASH COVER) GRN/RED WIRE GRN/WHT WIRE HEATED SEAT SWITCH HOT AT ALL TIMES LEFT FRONT BACKREST HEATED CUSHION LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT SEAT BACKREST VENTILATION MOTOR GROUP (IF EQUIPPED) LEFT FRONT SEAT CONTROL MODULE LEFT FRONT SEAT CUSHION VENTILATION LEFT FRONT SEAT HEATED CUSHION LEFT FRONT SEAT OPERATION SWITCH GROUP LEFT INSTRUMENT MOTOR GROUP RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RIGHT FRONT BACKREST HEATED CUSHION RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT SEAT BACKREST VENTILATION MOTOR GROUP (IF EQUIPPED) RIGHT FRONT SEAT CONTROL MODULE RIGHT FRONT SEAT CUSHION VENTILATION MOTOR GROUP RIGHT FRONT SEAT HEATED CUSHION RIGHT FRONT SEAT OPERATION SWITCH GROUP SEAT VENTILATION SWITCH YEL/RED WIRE

A/C AIR RECIRCULATION UNIT BATTERY MANAGEMENT SYSTEM CONTROL UNIT BATTERY SENSOR BLK RED/ WIRE BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CAN I H CAN I L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PYROTECHNICAL SEPARATOR DATA LINK CONNECTOR ELECTRIC REFRIGERANT COMPRESSOR ELECTRIC SUCTION FAN ENGINE, A/C W/ INTEGRATED CONTROL FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) FROM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 3 OF 4) FROM LEFT INSTRUMENT PANEL FUSE BOX (DIAGRAM 3 OF 4) FUSE 10 FUSE 3 FUSE 10 FUSE 9 FUSE 36 FUSE 38 FUSE 37 FUSE 29 FUSE 39 FUSE 4 FUSE 3 FUSE 5 FUSE 54 FUSE 6 FUSE 6 FUSE 2 FUSE 7 FUSE 8 FUSE 9 GENERATOR GRN WIRE HEATED WINDSHIELD CONTROL MODULE (W/ SPECIAL PROTECTION) HV- INSTRUMENT CLUSTER NCA WIRE PNK WIRE PNK/GRN WIRE PNK/RED WIRE POWER ELECTRONICS CONTROL UNIT QUIESCENT CURRENT CUTOUT RELAY RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE STARTER CIRCUIT 15 RELAY TO CHASSIS CIRCUIT 87 RELAY (DIAGRAM 3 OF 4) TO CIRCUIT TO EIS (EZS) CONTROL UNIT (DIAGRAM 4 OF 4) TO FRONT SAM CONTROL MODULE STARTER W/ FUSE, RELAY MODULE (DIAGRAM 1 OF 4) TO FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 3 OF 4) TO LEFT INSTRUMENT PANEL FUSE BOX (DIAGRAM 3 OF 4) TO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 2 OF 4) TO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 3 OF 4) TO RIGHT INSTRUMENT PANEL FUSE BOX (DIAGRAM 2 OF 4) TO SPECIAL PROTECTION VEHICLE ADDITIONAL FUSE HOLDER (DIAGRAM 2 OF 4) UPPER CONTROL PANEL CONTROL UNIT VACUUM PUMP ON-BOARD ELECTRICAL SYSTEM BATTERY RELAY (+) (W/ MILD HYBRID DRIVE) YEL WIRE

1 OF 4) 12 VOLT CONNECTOR GLOVE COMPARTMENT (IF EQUIPPED) BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN BH CAN BL CAN-EH CAN-EL CIRCUIT COMPUTER DATA LINES SYSTEM DRIVER NECK-PRO HEAD RESTRAINT SOLENOID EMERGENCY CALL SYSTEM CONTROL UNIT FANFARE HORN RELAY FROM BACKUP BATTERY FUSE (DIAGRAM 3 OF 4) FROM FRONT SAM CONTROL MODULE FUSE, RELAY MODULE (DIAGRAM 1 OF 4) FROM FUSE FROM FUSE 130 (DIAGRAM 2 OF 4) FROM FUSE 39 (DIAGRAM FROM FUSE 40 (DIAGRAM 1 OF 4) FROM FUSE 64 (DIAGRAM 4 OF 4) FUSE FROM RIGHT INSTRUMENT PANEL FUSE BOX (DIAGRAM 2 OF 4) FRONT CIGAR LIGHTER W/ ASHTRAY ILLUMINATION FRONT PASSENGER NECK-PRO HEAD RESTRAINT SOLENOID EIS (EZS) CONTROL UNIT FUEL PUMP CONTROL MODULE, ME-SFI (ME) CONTROL MODULE FUSE FUSE 137 FUSE 138 FUSE 64 FUSE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE INSTRUMENT CLUSTER ISM LEFT FRONT HEADLAMP UNIT MASTER WIPER MOTOR NCA WIRE PNK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/RED WIRE POWER ELECTRONICS CIRCULATION PUMP RELAY 1 RED WIRE RED/BLK WIRE RED/GRN WIRE RELAY RELAY/ SPARE 1 RELAY (CHANGE OVER CONTACT) RELAY/ SPARE RELAY 1 (CHANGE OVER CONTACT) RESTRAINT SYSTEMS CONTROL UNIT RIGHT FRONT HEADLAMP UNIT SLAVE WIPER MOTOR TO FUSE 61 (DIAGRAM 4 OF 4) TO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 4 OF 4) VIO WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT ROLLER SUN BLIND HALL SENSOR 1, 2 FRONT ROLLER SUN BLIND MOTOR (RIGHT FRONT OF ROOF) GRN WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (CENTER FRONT OF ROOF) PANORAMIC SLIDING ROOF 31 30 CAN-B L CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE (FRONT OF ROOF) PANORAMIC SLIDING ROOF HALL SENSOR 1 HS 1 HS PB 31 30 PANORAMIC SLIDING ROOF HALL SENSOR 2 PANORAMIC SLIDING ROOF HS 2 DATA GND MOTOR PNK 1 6 WIRE PNK/GRN WIRE REAR ROLLER SUN BLIND MOTOR RED WIRE RED/WHT WIRE RIGHT REAR FOOTWELL ROOF SWITCH VIO WIRE YEL WIRE

4 1 2 3 30 CAN-B L CAN-B H 31 4 5 6 3 2 1 MOTOR MOTOR HS (-) HS 1 HS 2 HS-UB 6 5 DATA UB BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DRIVER POWER WINDOW OUTSIDE MIRROR, TRUNK LID SWITCH GROUP FRONT POWER WINDOW DIODE MATRIX GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT HYDRAULIC WINDOW LIFTER FUSE LEFT FRONT HYDRAULIC WINDOW LIFTER PRESSURE SWITCH LEFT FRONT POWER WINDOW MOTOR (IN LEFT FRONT DOOR) LEFT FRONT RIGHT FRONT POWER POWER WINDOW WINDOW SWITCH SWITCH LEFT FRONT WINDOW CLOSED HYDRAULIC WINDOW LIFTER LIMIT SWITCH LEFT FRONT WINDOW CLOSED HYDRAULIC WINDOW LIFTER REDUNDANCY LIMIT SWITCH NCA WIRE PNK PNK WIRE PNK WIRE PNK/GRY WIRE PNK/WHT WIRE POWER WINDOW SOLENOID VALVE 3 POWER WINDOW SOLENOID VALVE 4 POWER WINDOW SOLENOID VALVE 5 POWER WINDOW SOLENOID VALVE 6 POWER WINDOW SOLENOID VALVE 7 POWER WINDOW SOLENOID VALVE 8 REAR POWER WINDOW DIODE MATRIX REAR SIDE WINDOWS CHILD SAFETY LOCK SWITCH RED WIRE TRUNK LID OPEN/ CLOSE SWITCH VIO/GRN WIRE W/ SPECIAL PROTECTION W/O SPECIAL PROTECTION

1 2 3 4 5 6 HS-UB 4 3 1 2 30 31 CAN-B L CAN-B H 4 5 2 3 6 FH-MOT FH-MOT HS 2 HS 1 31 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FH-TIEF HF-HOCH 31 UB DATA FUSE FUSE HOLDER (RIGHT FRONT OF TRUNK) GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HS MOTOR + MOTOR + 31 HS-UB HYDRAULIC PUMP THERMO SWITCH LEFT REAR DOOR CONTROL MODULE (IN LEFT REAR DOOR) LEFT REAR DOOR POWER WINDOW/ ROLLER BLIND SWITCH GROUP LEFT REAR HYDRAULIC WINDOW LIFTER FUSE LEFT REAR HYDRAULIC WINDOW LIFTER PRESSURE SWITCH LEFT REAR POWER WINDOW MOTOR (IN LEFT REAR DOOR) LEFT REAR POWER WINDOW SWITCH LEFT REAR POWER WINDOW, SIDE WINDOW ROLLER BLIND SWITCH LEFT REAR SIDE ROLLER BLIND MOTOR (IN LEFT REAR DOOR) LEFT REAR WINDOW CLOSED HYDRAULIC WINDOW LIFTER LIMIT SWITCH LEFT REAR WINDOW CLOSED HYDRAULIC WINDOW LIFTER REDUNDANCY LIMIT SWITCH NCA WIRE PNK WIRE PNK/GRY WIRE PNK/WHT WIRE POWER WINDOW HYDRAULIC PUMP POWER WINDOW SOLENOID VALVE 1 POWER WINDOW SOLENOID VALVE 2 REAR INDIVIDUAL POWER (NOT USED) WINDOW SWITCHES REAR SIDE ROLLER BLIND/ROOF ROLLER BLIND/REAR ROLLER BLIND REAR WINDOW ROLLER BLIND SWITCH RED WIRE RED/WHT WIRE RELAY RIGHT REAR POWER WINDOW, SIDE WINDOW ROLLER BLIND SWITCH ROOF BLIND SWITCH SPECIAL PROTECTION VEHICLE ADDITIONAL USED) VIO/GRN WIRE W/ SPECIAL PROTECTION W/ TOP PROTECTION W/O SPECIAL PROTECTION W/O TOP PROTECTION WHT WIRE

1 2 3 4 5 6 HS-UB 1 2 3 4 CAN-B L CAN-B H 31 30 1 2 4 3 CAN-B L CAN-B H 30 31 4 3 2 1 DATA UB 31 31 4 5 6 3 2 1 MOTOR MOTOR HS (-) HS 1 HS 2 HS-UB 4 5 6 3 2 HS-UB 31 FH-MOT+ HS 2 HS 1 (OR PNK) WIRE BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 4 3 FH-MOT+ FH-TIEF HF-HOCH 31 UB DATA FRONT PASSENGER POWER WINDOW SWITCH FUSE 70 FUSE 82 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HS MOTOR + MOTOR + 31 LEFT REAR POWER WINDOW, SIDE WINDOW ROLLER BLIND SWITCH NCA WIRE PNK W/ SPECIAL PROTECTION WIRE PNK WIRE PNK/GRY WIRE PNK/WHT WIRE REAR INDIVIDUAL POWER WINDOW SWITCH REAR SIDE ROLLER BLIND/ROOF ROLLER BLIND/REAR ROLLER BLIND REAR WINDOW ROLLER BLIND SWITCH RED WIRE RED/BLU WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT HYDRAULIC WINDOW LIFTER FUSE RIGHT FRONT HYDRAULIC WINDOW LIFTER PRESSURE SWITCH RIGHT FRONT WINDOW CLOSED HYDRAULIC WINDOW LIFTER LIMIT SWITCH RIGHT FRONT WINDOW CLOSED HYDRAULIC WINDOW LIFTER REDUNDANCY LIMIT SWITCH RIGHT INSTRUMENT PANEL FUSE BOX (UNDER RIGHT SIDE DASH COVER) RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT REAR HYDRAULIC WINDOW LIFTER FUSE RIGHT REAR HYDRAULIC WINDOW LIFTER PRESSURE SWITCH RIGHT REAR POWER WINDOW MOTOR (IN RIGHT REAR DOOR) RIGHT REAR POWER WINDOW SWITCH RIGHT REAR SIDE ROLLER BLIND MOTOR (IN RIGHT REAR DOOR) RIGHT REAR WINDOW CLOSED HYDRAULIC WINDOW LIFTER LIMIT SWITCH RIGHT REAR WINDOW CLOSED HYDRAULIC WINDOW LIFTER REDUNDANCY LIMIT SWITCH VIO WIRE VIO/GRN WIRE W/ SPECIAL PROTECTION W/ TOP PROTECTION W/O TOP PROTECTION W/O SPECIAL PROTECTION WHT GRY/ WIRE WHT PNK/ WIRE WHT WIRE YEL WIRE

1 2 3 4 7 8 30 31 CAN-B H CAN-B L SIBL SIBL 1 2 3 FLAT WIRE FLAT WIRE FLAT WIRE UB 31 DATA 1 2 CAN B L CAN B H 9 10 (+) (+) BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 143 MODULE W/ FUSE, RELAY MODULE (CENTER TRUNK) GRN/BLK WIRE GRY/PNK WIRE HEATED SEAT SWITCH HOT AT ALL TIMES LEFT REAR BACKREST HEATED CUSHION (W/ SEAT HEATERS) LEFT REAR DOOR CONTROL MODULE (IN LEFT REAR DOOR) LEFT REAR SEAT BACKREST VENTILATION MOTOR GROUP LEFT REAR SEAT CUSHION VENTILATION MOTOR GROUP LEFT REAR SEAT HEATED CUSHION (W/ SEAT HEATERS) LEFT REAR SEAT OPERATION SWITCH GROUP LEFT REAR SEAT VENTILATION BLOWER REGULATOR (UNDER LEFT REAR SEAT) NCA WIRE PNK/BRN WIRE REAR SAM CONTROL REAR SEATS CONTROL MODULE (RIGHT SIDE OF TRUNK) RED WIRE RED/WHT WIRE RIGHT REAR BACKREST HEATED CUSHION (W/ SEAT HEATERS) RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT REAR SEAT BACKREST VENTILATION MOTOR GROUP RIGHT REAR SEAT CUSHION VENTILATION MOTOR GROUP RIGHT REAR SEAT HEATED CUSHION (W/ SEAT HEATERS) RIGHT REAR SEAT OPERATION SWITCH GROUP RIGHT REAR SEAT VENTILATION BLOWER REGULATOR SEAT VENTILATION SWITCH YEL WIRE YEL/RED WIRE