Mercedes-Benz S-class W221 facelift (2009-2013) brn Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 AUDIO LEFT AUDIO RIGHT 1 2 3 4 5 6 7 8 9 10 11 CAN F H 1 2 3 4 LVDS RX- GROUND LVDS RX+ GROUND 1 2 MOST IN MOST OUT 5 3 (NOT USED) 6 4 2 PNK WIRE ANTENNA SPLITTER AUDIO IN R AUDIO OUT L AUDIO OUT L AUDIO OUT L AUDIO OUT R AUDIO-IN L BACKUP CAMERA VOLTAGE SUPPLY MODULE (IF EQUIPPED) (LEFT SIDE OF TRUNK) BLK WIRE BLK/WHT WIRE BLU WIRE BLUETOOTH ANTENNA BRN WIRE CAN A H CAN A L COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM FUSE 122, RELAY MODULE (CENTER TRUNK) FUSE 99 GRN WIRE GROUND GROUND SHIELD 12 13 14 HANDS-FREE SYSTEM MICROPHONE GROUP (PART OF INTERIOR REARVIEW MIRROR) HEADPHONES CONNECTING POINT HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT INSTRUMENT PANEL FUSE BOX (UNDER LEFT SIDE DASH COVER) MC 1 MC 2 PNK WIRE MC GND MC SHIELD MEDIA INTERFACE CONNECTOR MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE PNK WIRE REAR SAM CONTROL MODULE W/ FUSE/ RED/BLU WIRE SHIELD SHIELD BLUETOOTH SHIELD GPS USB (UNIVERSAL SERIAL BUS) CONNECTOR W/O MEDIA INTERFACE WAKE UP 30 CAN F L WALKMAN SEPARATION POINT WHT WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE

11 10 9 1 2 CAN-E L CAN-E H 30 BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE GRN WIRE GRN/WHT WIRE HEATER COIL STEERING WHEEL HEATER HEATER COIL TEMPERATURE SENSOR HEATER IND HEATER SWITCH HOT AT ALL TIMES LIN LRH+ NTC- PNK/BLU WIRE RED WIRE RED/BLK WIRE STEERING COLUMN ADJUSTMENT RAISE/ LOWER, FORWARD/ BACK SWITCH STEERING COLUMN MODULE (TOP OF STEERING COLUMN) STEERING WHEEL ELECTRONICS WHT WIRE

1 2 3 4 31 30 WAKE UP 1 2 MOST MOST IN MOST OUT ANT BLK WIRE BRN WIRE FUSE HIGH DEFINITION TUNER CONTROL UNIT HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BOX (UNDER LEFT SIDE DASH COVER) MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE REAR WINDOW ANTENNA AMPLIFIER MODULE (REAR CENTER OF ROOF) RED/WHT WIRE SDAR ANTENNA (ON REAR DECK LID) SHIELD

30 30 31 31 (+) (-) BLK WIRE BLK/WHT WIRE BRN WIRE EXTERNAL COMMUNICATION CONTROL MODULE FUSE 10 GRN WIRE HOT AT ALL TIMES INTERIOR SPEAKER LEFT OUTSIDE MIRROR MICROPHONE LEFT REAR FOOTWELL MICROPHONE SEPARATION POINT MIKRO + MIKRO + NCA WIRE ORG/ WIRE OUTSIDE SPEAKER RADIO MUTE CONNECTOR REAR FUSE BOX 1 RED WIRE RED/GRN WIRE RIGHT OUTSIDE MIRROR MICROPHONE WHT WIRE YEL 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

4 3 2 1 CAN-B H 31 CAN-B L 30 BACKREST CONNECTOR BLK/BLU WIRE BLK/GRN WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/PNK WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE LEFT REAR FOOTWELL LEFT REAR MULTICONTOUR BACKREST CONNECTOR LEFT REAR MULTICONTOUR BACKREST CONTROL MODULE (IN DRIVER'S BACKREST) ORG/ WIRE RED/WHT WIRE RIGHT REAR MULTICONTOUR RIGHT REAR MULTICONTOUR BACKREST CONTROL MODULE VIO 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