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

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH FLEX E_BM FLEX E_BP FRONT SAM CONTROL UNIT FUSE 205 GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT ELECTRIC PARKING BRAKE ACTUATOR MOTOR LEFT FRONT AXLE RPM SENSOR NCA WIRE PNK WIRE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT ELECTRIC PARKING BRAKE ACTUATOR MOTOR RIGHT FRONT AXLE RPM SENSOR RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR BRAKE WEAR SENSOR SEDAN SEDAN, COUPE SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ANGLE SENSOR VIO WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE

BLK/RED WIRE BRN WIRE BRN/RED WIRE BSM CAN B H CAN B L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM COUPE DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 302 FUSE 476 GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT BLIND SPOT ASSIST WARNING LAMP LEFT FRONT DOOR CONTROL UNIT LEFT OUTER REAR BUMPER INTEGRATED RADAR SENSOR LEFT OUTSIDE MIRROR PASSENGER-SIDE A-PILLAR FUSE BOX PNK/RED WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT BLIND SPOT ASSIST WARNING LAMP RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTER REAR BUMPER INTEGRATED RADAR SENSOR RIGHT OUTSIDE MIRROR SEDAN VIO WIRE VIO/WHT WIRE WHT WIRE

ACTIVE BRAKE ASSIST CONTROLLER UNIT BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM FUSE 322 FUSE 477 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER PASSENGER-SIDE A-PILLAR FUSE BOX PNK/RED WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRN WIRE RED/WHT WIRE YEL WIRE YEL/WHT WIRE

AIR CONDITIONING SYSTEM AIR CONDITIONING, INTERIOR LIGHTS SYSTEMS ANTI-LOCK BRAKES, INSTRUMENT CLUSTER, WARNING SYSTEMS BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COC COMPUTER DATA LINES SYSTEM CRASH ANALOG DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS EDW HSCHF FRONT SAM CONTROL UNIT (LEFT KICK PANEL) GRN WIRE GRN/BLU WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORNS SYSTEM INSTRUMENT CLUSTER SYSTEM LIN 1 NAVIGATION SYSTEM NAVIGATION, SOUND SYSTEMS ORG/ WIRE PNK WIRE PNK/GRN WIRE POWER DISTRIBUTION SYSTEM PWM REAR SAM CONTROL UNIT RED WIRE RED/GRY WIRE SIG SIG (1) SIG (2) SIG 3 SRA-P SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLK WIRE WBK SCH WIPER/WASHER SYSTEM WIPER/WASHER, EMERGENCY VEHICLE SYSTEMS YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN HMI H CAN HMI L CAN-B H AAG COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DRIVER-SIDE FUSE, RELAY MODULE FUSE 200 FUSE 206 FUSE 322 FUSE 4 GRN WIRE HEAD-UP DISPLAY (IF EQUIPPED) HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT CLUSTER SPEAKER LVDS RX+ MULTIPLE FUSE 2 NCA WIRE NIGHT VISION CIRCUIT ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT REAR BRAKE WEAR SENSOR RX- SEDAN SHIELD SIG SOUND SYSTEMS TERMINATION YEL WIRE YEL/WHT WIRE

BACKUP CAMERA CONTROL UNIT (REAR OF TRUNK LID) BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM COUPE FUSE 468 FUSE 476 HEAD UNIT HOT AT ALL TIMES M+ (-) M+ (-) HD NCA WIRE REAR CAMERA COVER MOTOR REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE SEDAN SHIELD SHIELD HSVL-IN SIG YEL WIRE YEL/WHT WIRE

BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DOOR CONTROL UNIT FUSE 301 FUSE 406 FUSE 476 GRN WIRE HOT AT ALL TIMES LEFT REAR LEFT REAR DOOR SWITCH GROUP LEFT REAR SIDE WINDOW ROLLER SUN BLIND, POWER WINDOW SWITCH OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLER FUSE BOX REAR FUSE, RELAY MODULE REAR ROLLER SUN BLIND SWITCH REAR SAM CONTROL UNIT REAR WINDOW ROLLER SUN BLIND MOTOR REAR WINDOW ROLLER SUN BLIND SWITCH RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL UNIT RIGHT REAR DOOR SWITCH GROUP RIGHT REAR SIDE WINDOW ROLLER SUN BLIND, POWER WINDOW SWITCH SIG SYSTEM VIO WIRE W/ TOP PROTECTION WHT WIRE YEL WIRE

BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DRIVER SEAT BELT BUCKLE ASSEMBLY) DRIVER SEAT BELT BUCKLE SWITCH DRIVER SEAT BELT COMFORT-FIT FUNCTION SOLENOID DRIVER SEAT CONTROL UNIT FRONT PASSENGER SEAT BELT BUCKLE SWITCH FRONT PASSENGER SEAT BELT COMFORT-FIT FUNCTION SOLENOID FRONT PASSENGER SEAT CONTROL UNIT FUSE 303 FUSE 304 FUSE 429 FUSE 450 GRN/GRY WIRE GRY/GRN WIRE GTK BF GTK FL GTK FR HOT AT ALL TIMES LEFT "C" PILLAR) LEFT REAR SEAT ACTIVE BELT BUCKLE MOTOR LEFT REAR SEAT BELT BUCKLE SWITCH LEFT REAR SEAT BELT COMFORT-FIT FUNCTION SOLENOID LEFT REAR SEAT CONTROL UNIT ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT REAR SEAT ACTIVE BELT BUCKLE MOTOR RIGHT REAR SEAT BELT BUCKLE SWITCH RIGHT REAR SEAT BELT COMFORT-FIT FUNCTION SOLENOID RIGHT REAR SEAT CONTROL UNIT SEDAN SIG SR L SR R SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT W/ REAR PRE-SAFE W/O REAR PRE-SAFE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH (BRAKE FLUID RESERVOIR) BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DRIVER SEAT BELT BUCKLE ASSEMBLY) DRIVER SEAT BELT BUCKLE SWITCH DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT FRONT SAM CONTROL UNIT (LEFT KICK PANEL) FUSE 200 FUSE 28 FUSE 477 GRN WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK N/A NCA WIRE PRE-LOCKING POSITION MICROSWITCH PYFSE(+) CAN-H L PYRO- FUSE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR BRAKE WEAR SENSOR SEDAN SEDAN, COUPE SIG SIG DF SUPPLEMENTAL RESTRAINT SYSTEM SYSTEM CONTROL UNIT (NEAR SHIFT LEVER) VEHICLE INTERIOR PREFUSE BOX VIO WIRE VIO/WHT WIRE W/ KEYLESS-GO, POWER CLOSING W/O KEYLESS-GO, POWER CLOSING W/ TOP PROTECTION WHT WIRE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE COUPE CONVERTIBLE DRIVE POWER TRANSMISSION HALL SENSOR FUSE 476 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES HR - HSCH HRK HD HSCH VRK HSCH ZSK NCA WIRE OPEN/CLOSE HALL SENSOR PARTITION MOTOR REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE SEDAN SEDAN, COUPE SIG SIG SIG TANK CAP CENTRAL LOCKING ACTUATOR TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID EXTERNAL OPERATION SWITCH TRUNK LID LOCK TRUNK LID LOCK (W/ POWER CLOSING TRUNK LID) (CENTER REAR OF LUGGAGE COMPT LID) TRUNK LID LOCK MAIN CATCH SWITCH TRUNK LID LOCK MOTOR TRUNK LID LOCK SAFETY CATCH SWITCH TRUNK LID POSITION SENSOR TRUNK LID/LIFTGATE KEYLESS-GO BUTTON TRUNK PARTITION MOTOR/HALL SENSORS W/ POWER CLOSING TRUNK LID W/O POWER CLOSING TRUNK LID WHT WIRE WHT/GRN WIRE YEL WIRE