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

1 2 3 4 VIDEO P VIDEO P GND VIDEO N VIDEO N GND 10 11 9 8 CAN-E H CAN-E L 30 31 15 CAN-E H CAN-E L 2 41 54 10 37 50 11 23 2 41 54 10 37 50 11 23 GND CAN-E H CAN-E L 5.5L 3.5L 75 74 88 43 64 39 77 78 64 42 87 15 AT DCM AT DCP ACCEL SET/ ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLK/GRN WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN H H CAN H L CAN-S-H CAN-S-L 31 COMPUTER DATA LINES SYSTEM CONTROL CONTACT CRUISE CONTROL SWITCH DECEL/ SET DTR DISTANCE POTENTIOMETER (IF EQUIPPED) FRONT BUMPER LEFT INNER RADAR SENSOR FRONT BUMPER RIGHT INNER RADAR SENSOR FUSE GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR FOOTWELL ME-SFI (ME) CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) MR IPM MULTI-FUNCTION CAMERA (W/ SPEED LIMIT ASSIST) (FRONT CENTER OF ROOF) OFF ORG/ WIRE PNK PNK WIRE PNK WIRE PNK/BLU WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/YEL WIRE PWG+ (-) RADAR SENSORS CONTROL UNIT (SGR) (RIGHT TRUNK) REAR BUMPER LEFT OUTER RADAR SENSOR REAR BUMPER RIGHT OUTER RADAR SENSOR REAR PTS WARNING DISPLAY (W/ CITY ASSIST) RED WIRE RED/BLK WIRE RED/WHT WIRE RESUME FROM MEMORY THROTTLE VALVE ACTUATOR (ON THROTTLE BODY ASSEMBLY) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE W/ DISTRONIC PLUS W/ MULTI FUNCTION CAMERA W/O MULTI FUNCTION CAMERA WHT WIRE YEL WIRE

1 2 3 4 30 31 CAN-D H CAN-D L 5 10 CAN-G L CAN-G H 6 7 8 9 10 11 12 13 14 CAN-G H CAN-G L BRN WIRE BRN/RED WIRE CAN-D H CAN-D L CAN-F H CAN-F L CAN-E H CAN-E L CAN-B H CAN-B L CAN-G H CAN-G L CAN-E H CAN-E L CAN-G CAN-G CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT UPPER FOOTWELL) DATA LINK CONNECTOR (UNDER LEFT END OF DASH) ELECTRIC PARKING BRAKE CONTROL UNIT (LEFT REAR WHEELWELL) EMERGENCY CALL SYSTEM CONTROL UNIT (LEFT FRONT OF TRUNK) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HIGH/LOW BUS CIRCUIT HOT AT ALL TIMES FUSE 36 RED WIRE RED/GRN WIRE YEL WIRE YEL/WHT WIRE

1 2 3 30 CAN-E L CAN-E H BLK WIRE COMPUTER DATA LINES SYSTEM ELECTROHYDRAULIC POWER STEERING (RIGHT FRONT ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE FUSE, REALY MODULE (LEFT REAR ENGINE COMPT) FUSE PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES RED WIRE RED/YEL WIRE YEL WIRE

1 2 CAN-C L CAN-C H COMPUTER DATA LINES SYSTEM 10 6 12 4 1 30 CAN-B L CAN-B H 30 31 55 42 CAN-C L CAN-C H AUTOMATIC CHILD SEAT RECOGNITION AIR BAG OFF IND LAMP BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN H H CAN H L CAN-F H CAN-F L COCKPIT SWITCH GROUP COMAND COMAND DISPLAY DISPLAY SWIVEL SWIVEL LEFT RIGHT SWITCH SWITCH COMAND DISPLAY DIMMER BRIGHTNESS CONTROL COMPUTER DATA LINES SYSTEM DTR CONTROL UNIT DTR RADAR SENSOR DTR WARNING LAMP IND ELECTRIC CONTROL UNIT (VGS) ESP LEVEL OFF ADJUSTMENT SWITCH SWITCH EXTERIOR LIGHTS, INSTRUMENT CLUSTER SYSTEM FREELY PROGRAMMABLE BUTTON FRONT CENTRAL OPERATING UNIT FUSE 66 GRN WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HAZARD WARNING SYSTEM BUTTON HOT W/ CHASIS CIRCUIT 87 RELAY ENERGIZED INSTRUMENT CLUSTER ME-SFI (ME) CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) OUTPUT SPEED SENSOR PTS OFF SWITCH RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SIG UPPER CONTROL PANEL CONTROL UNIT VIO WIRE VIO/WHT WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

1 2 3 CAN-C L CAN-C H 31 1 2 3 CAN-I L CAN-I H 31 1 2 CAN-C L CAN-C H 1 2 CAN-F L CAN-F H 1 2 CAN-H L CAN-H H 1 2 CAN-I L CAN-I H 10 20 CAN-I L CAN-I H 10 4 CAN-I L CAN-I H 11 1 CAN-F L CAN-F H 11 10 CAN-H L CAN-H H 12 11 CAN-F L CAN-F H 12 13 CAN-F L CAN-F H 19 18 CAN-H L CAN-H H 2 1 CAN-C L CAN-C H 2 3 CAN-H L CAN-H H 4 3 CA CAN-I L CAN-I H 55 42 53 40 CAN-C L CAN-C H CAN-I L CAN-I H 6 3 CAN-H L CAN-H H 9 8 CA CAN-I L CAN-I H BATTERY MANAGEMENT SYSTEM CONTROL UNIT BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CENTRAL CAN VOLTAGE DISTRIBUTOR CONNECTOR CENTRAL GATEWAY CONTROL MODULE (LEFT FRONT COMAND CONTROL UNIT DC/DC CONVERTER CONTROL MODULE (RIGHT FRONT DIRECT SELECT INTELLIGENT SERVO MODULE FOR (IF EQUIPPED) (TRANSMISSION HOUSING) DRIVETRAIN CAN VOLTAGE DISTRIBUTOR CONNECTOR DTR CONTROL UNIT (IF EQUIPPED) (UNDER PLATE IN RIGHT ELECTRIC CONTROL UNIT (VGS) ELECTRIC REFRIGERANT COMPRESSOR ENGINE COMPT) ESP CONTROL MODULE (5.5L) REGENERATIVE BRAKING HYBRID CAN VOLTAGE DISTRIBUTOR CONNECTOR (3.5L HYBRID) INSTRUMENT CLUSTER ME-SFI (ME) CONTROL UNIT (RIGHT REAR OF POWER ELECTRONICS CONTROL UNIT (RIGHT SIDE UNDERCARRIAGE) RADAR SENSOR SYSTEM CONTROL UNIT (W/ DISTANCE PLUS) SYSTEM CONTROL UNIT (3.5L HYBRID) (RIGHT FRONT ENGINE COMPT) UPPER FOOTWELL) VEHICLE DYNAMICS CAN VOLTAGE DISTRIBUTOR CONNECTOR VIO WIRE VIO/WHT WIRE WHEELHOUSE) YAW RATE, LATERAL, LONGITUDINAL ACCELERATION SENSOR YEL WIRE YEL/WHT WIRE

1 2 3 CAN-A L CAN-A H 31 1 2 3 CAN-B L CAN-B H 31 1 2 CAN B L CAN B H 1 2 CAN-A L CAN-A H 1 3 CB CAN-B L CAN-B H 12 3 CAN-B L CAN-B H 13 3 CAN-A L CAN-A H 15 14 CAN-B L CAN-B H 3 4 CAN-A L CAN-A H 3 6 CAN-A L CAN-A H 4 3 CAN B L CAN B H 4 8 CAN-A L CAN-A H 5 6 CAN-B L CAN-B H 7 9 CAN-B L CAN-B H 9 10 CAN-B L CAN-B H 9 18 CAN-B L CAN-B H BLK WIRE BLK/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMAND CONTROL UNIT FRONT CENTRAL OPERATING UNIT GRN WIRE PNK/BRN WIRE PTS CONTROL MODULE (RIGHT SIDE TRUNK) RCP (HBF) CONTROL MODULE REAR AC CONTROL MODULE (IF EQUIPPED) REAR SEATS CONTROL MODULE (RIGHT SIDE OF TRUNK) RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT SEAT CONTROL MODULE RIGHT INTERIOR CAN/FFS (RBA) RIGHT REAR DOOR CONTROL MODULE (IN RIGHT REAR DOOR) TELEMATICS CAN VOLTAGE DISTRIBUTOR CONNECTOR VOLTAGE DISTRIBUTOR CONNECTOR WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT (RIGHT FRONT SEAT) YEL WIRE

1 2 NTC + NTC - 1 3 1 3 GND LSP- LSP+ GND 31 30 CAN-E H CAN-E L ALDW - BACK, SBS OFF BUTTON BEAM SWITCH BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CONTROL CONTACT SWITCH CRUISE CONTROL SWITCH DECELERATE, SET SWITCH RESUME FROM MEMORY SWITCH ACCELERATE, SET SWITCH DTR DISTANCE POTENTIOMETER (IF EQUIPPED) FANFARE HORNS PUSHBUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (TOP OF STEERING COLUMN) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT) GEAR SELECTOR SWITCH DIRECT SELECT GRN WIRE GRN/WHT WIRE HEATER COIL TEMPERATURE SENSOR HOT AT ALL TIMES FUSE LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP LEFT, RIGHT TURN SIGNAL SWITCH HEAD LAMP FLASHER/HIGH BEAM SWITCH LOW MUTE BUTTON NCA WIRE NTC- OFF SWITCH OK BUTTON PNK/BLU WIRE RED WIRE RED/BLK WIRE RIGHT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP SCROLL FORWARD/ BACK PUSHBUTTON STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN MODULE (TOP OF STEERING COLUMN) STEERING LOCK SWITCH STEERING WHEEL ELECTRONICS STEERING WHEEL GEAR SHIFTER (+) (IF EQUIPPED) STEERING WHEEL VIBRATION MOTOR (W/ AUTOMATIC LANE RECOGNITION) SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION PUSHBUTTON VCS (SBS) ON BUTTON VIO WIRE VIO/GRN WIRE WHT WIRE WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE

A S SL EV 2 BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/VIO 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 5 EV 6 EV 1 FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 30 GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES ENGINE COMPARTMENT PREFUSE BOX FUSE 6 HOT FILM MAF SENSOR (CENTER REAR OF ENGINE) INSTRUMENT CLUSTER LEFT KNOCK SENSOR 2 (LEFT CYLINDER BANK, UNDER INTAKE MANIFOLD) M R IPM M R LSIK ME-SFI (ME) CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) NCA WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/VIO 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 KNOCK SENSOR 1 (RIGHT CYLINDER BANK, UNDER INTAKE MANIFOLD) SIG THROTTLE VALVE ACTUATOR (ON THROTTLE BODY ASSEMBLY) UPSTREAM TWC (KAT) (LEFT REAR OF ENGINE COMPT) VIO/BLK WIRE VIO/BRN WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

A S HAV A T DCM A T DCP A T OIL P A U UIP B D LIN BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COOLANT TEMPERATURE SENSOR (FRONT OF ENGINE) DOWNSTREAM TWC (KAT) (UNDER LEFT FRONT OF VEHICLE) DOWNSTREAM TWC (KAT) (UNDER RIGHT FRONT OF VEHICLE) E A LSHK E F KWGA E F KWGB E S FSOEL E-A-DS EV 2 EV 3 EV 4 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE ME-SFI (ME) CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) OIL LEVEL SWITCH PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/VIO WIRE PNK/YEL WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE STARTING/ CHARGING SYSTEM VARIABLE INTAKE MANIFOLD SWITCHOVER VALVE (TOP FRONT OF ENGINE) VIO WIRE VIO/BLK WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN RED/ WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE CYLINDER IGNITION COIL 1 (TOP OF RIGHT CYLINDER BANK) CYLINDER IGNITION COIL 2 (TOP OF RIGHT CYLINDER BANK) CYLINDER IGNITION COIL 3 (TOP OF RIGHT CYLINDER BANK) CYLINDER IGNITION COIL 4 (TOP OF LEFT CYLINDER BANK) CYLINDER IGNITION COIL 5 (TOP OF LEFT CYLINDER BANK) CYLINDER IGNITION COIL 6 (TOP OF LEFT CYLINDER BANK) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE LEFT INTAKE CAMSHAFT SOLENOID NCA WIRE PNK/YEL WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE SPARK PLUG VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE