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

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

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

3 2 1 4 31 CAN-B H CAN-B L 30 3 4 DFK 31 5 4 2 SVS-MOT SVS-MOT (-) 6 5 4 FLAT WIRE FLAT WIRE FLAT WIRE DATA UB 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 DASH COVER) DRIVER POWER WINDOW OUTSIDE MIRROR, TRUNK LID SWITCH GROUP FLAT WIRE FUSE FUSE 81 GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT DOOR DOOR TRIM STRIP INSIDE ILLUMINATION HANDLE LAMP 1 ILLUMINATION LEFT FRONT DOOR ENTRANCE/EXIT LAMP LEFT FRONT DOOR LOCK UNIT LEFT FRONT DOOR TRIM STRIP ILLUMINATION LAMP 2 LEFT FRONT DOOR WARNING LAMP LEFT FRONT DRIVE LOCK PAWL SWITCH LEFT FRONT POWER CLOSING MOTOR LEFT FRONT ROTARY TUMBLER SWITCH LEFT FRONT SAFETY LIMIT SWITCH LEFT FRONT SEAT CONTROL MODULE LEFT REAR FOOTWELL LAMP RED WIRE RIGHT INSTRUMENT PANEL FUSE BOX (UNDER RIGHT SIDE TRUNK LID OPEN/CLOSE SWITCH VIO/GRY WIRE W/ POWER CLOSING W/O AMBIANCE ILLUMINATION YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN/WHT WIRE CAN H H CAN H L COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) FUSE GRN WIRE GRN/WHT WIRE HOT W/ CHASSIS CIRCUIT 87 RELAY ENERGIZED INSTRUMENT CLUSTER NCA WIRE NIGHT VISION ASSIST CONTROL UNIT (LEFT FRONT FOOTWELL) ORG/ WIRE ORG/WHT WIRE RED WIRE RED/WHT WIRE VIO WIRE VIO/WHT 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

1 2 CAN-C L CAN-C H 27 31 41 54 HR 6 5 CAN-E L CAN-E H BATTERY SENSOR (RIGHT FRONT OF TRUNK) BLK WIRE BLK/BRN WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN C L CAN C H CAN E H CAN E L CIRCUIT 15 TIME DELAY RELAY COMPUTER DATA LINES SYSTEM EIS (EZS) CONTROL UNIT ELECTRIC CONTROL UNIT (VGS) EMERGENCY START AID FUSE EMERGENCY START PUSH BUTTON ENGINE CIRCUIT 87 RELAY ENGINE COMPARTMENT PREFUSE BOX (RIGHT REAR ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) FUSE FUSE 21 GRN WIRE GRN/WHT WIRE GRY/YEL WIRE INTELLIGENT SERVO MODULE FOR DIRECT SELECT INTERIOR PREFUSE BOX (RIGHT FRONT FOOTWELL) ME-SFI (ME) CONTROL UNIT ON-BOARD ELECTRICAL SYSTEM BATTERY POWER WINDOW OVERVOLTAGE PROTECTION DIODE RED WIRE RED/YEL WIRE SOLID STATE SPECIAL VEHICLE MULTIFUNCTION CONTROL MODULE (SVMCM (MSS)) STARTER STARTER CIRCUIT 15 RELAY STARTER CIRCUIT 50 RELAY STARTER RELAY TRANSMISSION HOUSING) VIO/WHT WIRE