Mercedes-Benz S-class W221 facelift (2009-2013) (right front footwell) Wiring diagrams

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 4 5 6 7 8 9 10 11 12 30 31 (+) CAN-I H 1 2 3 4 HV + HV - INTER LOCK OUT INTER LOCK IN 15 CAN-I L 6 21 20 8 9 30 INTERLOCK OUT 87 CANIH CANIL BATTERY MANAGEMENT SYSTEM CONTROL UNIT (RIGHT REAR ENGINE COMPT) BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONTACTOR DC/DC CONVERTER CONTROL MODULE (RIGHT FRONT WHEELHOUSE) FUSE FUSE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE HIGH VOLT BATTERY COOLING SYSTEM SHUTOFF VALVE HIGH VOLTAGE BATTERY HIGH VOLTAGE FUSE BOX (CENTER REAR OF ENGINE COMPT) HOT AT ALL TIMES INTER LOCK IN 30 INTER LOCK OUT ME-SFI (ME) CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) NCA WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE POWER ELECTRONICS CONTROL UNIT (RIGHT SIDE UNDER CARRIAGE) PYROTECHNICAL SEPARATOR (UNDER RIGHT RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE RESTRAINT SYSTEM CONTROL MODULE (FRONT OF CENTER CONSOLE) RIGHT INSTRUMENT PANEL FUSE BOX (UNDER RIGHT SIDE DASH COVER) SIDE OF DASH) YEL/RED WIRE

1 2 CAN B L CAN B H 11 10 CAN-E L CAN-E H 12 13 CAN-F L CAN-F H 6 12 2 CAN-B L CAN-B H ADJUSTABLE, HEATED OUTSIDE MIRROR ANALOG CLOCK AUDIBLE TURN SIGNAL INDICATOR BLK WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE COCKPIT SWITCH GROUP COMBINATION SWITCH COMPUTER DATA LINES SYSTEM FOG LAMP INDICATOR FRONT CENTRAL OPERATING UNIT GRN WIRE GRN/WHT WIRE GRY/RED WIRE GRY/YEL WIRE HAZARD WARNING SYSTEM BUTTON HCS (SRA) SWITCH HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES INTERIOR PREFUSE BOX FUSE INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT TURN SIGNAL IND LEFT, RIGHT TURN SIGNAL SWITCH NIGHT VISION ASSIST BUTTON OUTSIDE MIRROR AMBIENT LAMP OUTSIDE MIRROR AMBIENT LAMP LEFT ELECTRICALLY ADJUSTABLE, HEATED OUTSIDE MIRROR OUTSIDE MIRROR TURN SIGNAL LAMP OUTSIDE MIRROR TURN SIGNAL LAMP RIGHT ELECTRICALLY REAR FOG LAMP INDICATOR RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT TURN SIGNAL IND ROTARY LIGHT SWITCH STEERING COLUMN MODULE (TOP OF STEERING COLUMN) UPPER CONTROL PANEL CONTROL MODULE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BATTERY SENSOR BLK WIRE BRN WIRE ESP CONTROL MODULE, REGENERATIVE BRAKING SYSTEM CONTROL UNIT HIGH VOLTAGE BATTERY, STARTER BATTERY LEFT REAR FOOTWELL RIGHT REAR FOOTWELL

AC RECIRCULATION UNIT, PTC HEATER BOOSTER (IF EQUIPPED) BLK WIRE BRN WIRE DC/DC CONVERTER CONTROL MODULE ELECTRIC AIR PUMP, POWER ELECTRONICS CONTROL UNIT LEFT REAR FOOTWELL POWER ELECTRONICS CONTROL UNIT RIGHT FRONT SEAT BELT COMFORT SOLENOID VACUUM PUMP RELAY

3 4 DFK 31 4 1 2 3 30 CAN-B L CAN-B H 31 9 7 CAN-B H CAN-B L BLK WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE GRN WIRE RED 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 ILLUM- INATION LAMP 1 RIGHT FRONT DOOR TRIM STRIP ILLUMINATION LAMP 2 RIGHT FRONT DOOR WARNING LAMP RIGHT FRONT DRIVE LOCK PAWL SWITCH RIGHT FRONT ROTARY TUMBLER SWITCH RIGHT FRONT SAFETY LIMIT SWITCH RIGHT FRONT SEAT CONTROL MODULE RIGHT REAR DOME LAMP RIGHT REAR FOOTWELL LAMP VIO/GRY WIRE W/ POWER CLOSING W/O AMBIANCE ILLUMINATION YEL WIRE

1 2 3 4 CAN-B L CAN-B H 31 30 1 2 4 3 CAN-B L CAN-B H 30 31 2 3 31 DFK 31 31 58 58 31 FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM CORNERING ILLUMINATION (IF EQUIPPED) FLAT WIRE FRONT CIGAR LIGHTER W/ ASHTRAY ILLUMINATION FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) GROUND DISTRIBUTION SYSTEM GRY/BLU WIRE GRY/GRN WIRE LEFT FRONT HEADLAMP UNIT LEFT REAR ASHTRAY ILLUMINATION (W/ AMBIANCE ILLUMINATION) LEFT REAR DOOR CONTROL MODULE LEFT REAR DOOR ENTRANCE, EXIT LAMP LEFT REAR DOOR INSIDE HANDLE ILLUMINATION LEFT REAR DOOR LOCK UNIT LEFT REAR DOOR TRIM STRIP ILLUMINATION LEFT REAR DOOR WARNING LAMP LEFT REAR DRIVE LOCK PAWL SWITCH LEFT REAR ROTARY TUMBLER SWITCH LEFT REAR SAFETY LIMIT SWITCH LEFT XENON HEADLAMP CONTROL MODULE NCA WIRE ORG/ WIRE REAR CIGAR LIGHTER RED WIRE RED/WHT WIRE RIGHT FRONT HEADLAMP UNIT RIGHT REAR ASHTRAY ILLUMINATION (W/ AMBIANCE ILLUMINATION) RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) RIGHT REAR DOOR ENTRANCE/EXIT LAMP RIGHT REAR DOOR INSIDE HANDLE ILLUMINATION RIGHT REAR DOOR LOCK UNIT RIGHT REAR DOOR TRIM STRIP ILLUMINATION RIGHT REAR DOOR WARNING LAMP RIGHT REAR DRIVE LOCK PAWL SWITCH RIGHT REAR FOOTWELL RIGHT REAR SAFETY LIMIT SWITCH RIGHT REAR ROTARY TUMBLER SWITCH RIGHT XENON HEADLAMP CONTROL MODULE SPIEGEL L SPIEGEL R STOWAGE COMPARTMENT ILLUMINATION W/ POWER CLOSING W/O AMBIANCE ILLUMINATION

1 2 3 4 5 6 8 9 7 10 BSM WARN BSM BEREIT 1 2 3 FLAT WIRE FLAT WIRE FLAT WIRE UB 31 DATA 31 DATA 31 4 3 1 2 30 31 CAN-B L CAN-B H 4 5 6 FLAT WIRE FLAT WIRE FLAT WIRE 31 UB DATA AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLK WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM DRIVER POWER WINDOW OUTSIDE MIRROR, TRUNK LID SWITCH GROUP FLAT WIRE FLAT WIRE FLAT WIRE FOLD IN/ FOLD OUT SWITCH FUSE 70 HOT AT ALL TIMES LEFT ELECTRICALLY ADJUSTABLE, HEATED OUTSIDE MIRROR LEFT FRONT SEAT OPERATION SWITCH GROUP LEFT OUTSIDE MIRROR TURN SIGNAL LAMP LEFT/RIGHT OUTSIDE MIRROR ADJUSTMENT SELECTION SWITCH MEMORY 1, 2, 3 SWITCH MEMORY SWITCH MIRROR ADJUSTMENT ROCKER SWITCH MIRROR FOLD-IN MOTOR MIRROR HEATER MIRROR IN/OUT ADJUST- MENT MOTOR MIRROR UP/DOWN ADJUST- MENT MIRROR IN/OUT ADJUST- MENT MOTOR MIRROR UP/DOWN ADJUST- MENT MOTOR MOTOR NCA WIRE RED WIRE RIGHT ELECTRICALLY ADJUSTABLE, HEATED OUTSIDE MIRROR RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP

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 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