Mercedes-Benz S-class W222/C217/A217 facelift (2017-2020) front sam control unit Wiring diagrams

3.0L TURBO 4.0L TURBO ALTERNATOR BATTERY SENSOR (NEGATIVE (-) BATTERY POST) BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COC CAN C H CAN C L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT PREFUSE BOX FRONT SAM CONTROL UNIT FUSE 1 GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER LEFT TERMINAL 30 TERMINAL BLOCK ME-SFI (ME) CONTROL UNIT NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY POWER DISTRIBUTION SYSTEM PYROTECHNICAL SEPARATOR RBA RED WIRE RIGHT TERMINAL 30 TERMINAL BLOCK STARTER STARTING CIRCUIT VIO WIRE YEL WIRE YEL/VIO WIRE YEL/WHT WIRE

AUDIO/COMAND CONTROL PANEL BLK WIRE BLK/RED WIRE BRN WIRE BRN/WHT WIRE CAN A H CAN A L COMPUTER COMPUTER DATA DATA LINES DRIVER HANDS-FREE SYSTEM MICROPHONE FRONT PASSENGER HANDS-FREE SYSTEM MICROPHONE FRONT SAM CONTROL UNIT FUSE 1 FUSE 2 FUSE 3 GRY/BRN WIRE HOT AT ALL TIMES LINES SYSTEM LOWER CONTROL PANEL MULTIPLE FUSE 1 MULTIPLE FUSE 2 MULTIPLE FUSE 3 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED/BLU WIRE RED/WHT WIRE SIG SYSTEM TOUCHPAD VIO WIRE WBK BEL WBK SCH WHT WIRE YEL WIRE

BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE FRONT SAM CONTROL UNIT FUSE 9 GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLU WIRE GRY/PNK WIRE GUARD OPERATING UNIT HOT AT ALL TIMES IRRITANT GAS SENSOR LEFT VENT FLAP ACTUATOR MOTOR ORG/ WIRE ORG/BLU WIRE RED WIRE RIGHT VENT FLAP ACTUATOR MOTOR SPECIAL-PURPOSE VEHICLE FUSE BLOCK 2 VENT FLAPS CLOSE RELAY VENT FLAPS OPEN RELAY WHT/BLU WIRE WINDSHIELD WASHER SYSTEM PUMP

ACTIVE BELT BUCKLE CONTROL UNIT ATA (EDW)/TOWING SENSOR/ INTERIOR MOTION SENSOR CONTROL UNIT BRN WIRE BRN/RED WIRE CAN B H CAN B L DRIVER SEAT CONTROL UNIT FRONT SAM CONTROL UNIT GRN WIRE GRN/WHT WIRE LEFT FRONT DOOR CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT LEFT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR LEFT REAR DOOR CONTROL UNIT LEFT REAR MULTICONTOUR SEAT CONTROL UNIT LEFT REAR SEAT CONTROL UNIT MULTICONTOUR SEAT PNEUMATIC PUMP PNK WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP PNK FLEX-E BM WIRE FRONT SAM CONTROL UNIT FUSE 200 FUSE 205 GRN WIRE HORNS CONTACT PLATE HOT AT ALL TIMES LEFT FANFARE HORN NCA WIRE RED WIRE RED/WHT WIRE RIGHT FANFARE HORN SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS YEL WIRE

AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLK WIRE BLK/BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT SAM CONTROL UNIT FUSE 203 FUSE 302 FUSE 305 FUSE 316 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP HOT AT ALL TIMES INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR DIMMING LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT READING LAMP NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT READING LAMP SPG ABBL VIO WIRE WHT WIRE YEL/RED WIRE

AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLK WIRE BLK/BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT SAM CONTROL UNIT FUSE 203 FUSE 302 FUSE 305 FUSE 316 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR DIMMING LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT READING LAMP NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/WHT WIRE RGB-LIN RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT READING LAMP SPG ABBL VIO WIRE WHT WIRE YEL/RED WIRE

AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLK WIRE BLK/BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT SAM CONTROL UNIT FUSE 203 FUSE 302 FUSE 305 FUSE 316 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR DIMMING LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT READING LAMP NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/WHT WIRE RGB-LIN RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT READING LAMP SPG ABBL VIO WIRE WHT WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FRONT SAM CONTROL UNIT FUSE 105 FUSE 106 FUSE 111 FUSE 12 FUSE 205 FUSE 305 GRN WIRE HOT AT ALL TIMES HOT W/ OIL PUMP RELAY ENERGIZED INSTRUMENT CLUSTER LEFT HEATED WIPER BLADE (IF EQUIPPED) LOWER SPRAY NOZZLE HOSE HEATER (IF EQUIPPED) NCA WIRE NIGHT, DAY VIEW ASSIST LONG-RANGE CAMERA WASHER FLUID PUMP PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RIGHT HEATED WIPER BLADE SIG SRA-P STEERING COLUMN MODULE CONTROL UNIT UPPER SPRAY NOZZLE HOSE HEATER (IF EQUIPPED) W/ MAGIC VISION CONTROL W/O MAGIC VISION CONTROL WASHER FLUID RESERVOIR) WB H WHT WIRE WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM SWITCH WINDSHIELD WASHER SYSTEM WASHER FLUID LEVEL SWITCH WIPE SWITCH WIPER MOTOR WIPER PARK HEATER WIPER PARK POSITION HEATER RELAY WWSCHD H YEL WIRE YEL/RED WIRE YEL/WHT WIRE

A S SAM A S STRH A S STRL AT LPV BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN C H CAN C L COMPUTER DATA LINES SYSTEM CRASH EKPR ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE EXHAUST FLAP SWITCHOVER VALVE FRONT SAM CONTROL UNIT FUEL TANK DIAGNOSTIC MODULE FUSE 101 FUSE 102 FUSE 103 FUSE 104 FUSE 12 FUSE 125 FUSE 311 GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED ME-SFI (ME) CONTROL UNIT O S MRLY HS PASSENGER-SIDE A-PILLAR FUSE BOX PNK/RED WIRE PURGE CONTROL VALVE RADIATOR SENSOR FOR ENGINE DIAGNOSIS RBA RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RLLR SIG STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM VIO/WHT WIRE YEL/RED WIRE