Mercedes-Benz E-class W213/S213/C238/A238 (2016-2021) rear sam control unit Wiring diagrams

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE CIRCUIT 1 INTAKE BALL VALVE BRAKE CIRCUIT 1 SWITCHOVER VALVE BRAKE CIRCUIT 2 INTAKE BALL VALVE BRAKE CIRCUIT 2 PRESSURE SENSOR BRAKE CIRCUIT 2 SWITCHOVER VALVE BRAKE VACUUM SENSOR BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FLEX-E BP FUSE 1 FUSE 129 FUSE 2 GRN WIRE GRN/ORG WIRE GRN/YEL WIRE GRY/GRN WIRE HIGH PRESSURE, RETURN PUMP HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LEFT FRONT PRESSURE REGULATOR VALVE (PRESSURE HOLD) LEFT FRONT PRESSURE REGULATOR VALVE (PRESSURE RELEASE) LEFT REAR AXLE RPM SENSOR LEFT REAR PRESSURE REGULATOR VALVE (PRESSURE HOLD) LEFT REAR PRESSURE REGULATOR VALVE (PRESSURE RELEASE) M+ (-) M+ (-) 31 MASTER BRAKE CYLINDER PRESSURE SENSOR NCA WIRE PNK/GRN WIRE REAR PRESSURE SENSOR REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT PRESSURE REGULATOR VALVE (PRESSURE HOLD) RIGHT FRONT PRESSURE REGULATOR VALVE (PRESSURE RELEASE) RIGHT REAR AXLE RPM SENSOR RIGHT REAR BRAKE WEAR SENSOR RIGHT REAR PRESSURE REGULATOR VALVE (PRESSURE HOLD) RIGHT REAR PRESSURE REGULATOR VALVE (PRESSURE RELEASE) SIG SIG PNK FLEX E BM PNK FLEX E BM WIRE STOP LAMP SWITCH TRACTION SYSTEM HYDRAULIC UNIT (LEFT REAR ENGINE COMPT) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLU/BRN WIRE BLU/ORG WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 301 FUSE 302 FUSE 406 FUSE 417 FUSE 476 GRN/YEL WIRE GRY/BLK WIRE GRY/YEL WIRE HECKL HOT AT ALL TIMES LIN LUGGAGE COMPARTMENT LAMP PASSENGER-SIDE A-PILLAR FUSE BOX PASSENGER-SIDE EXTERIOR AMBIANCE ILLUMINATION REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/YEL WIRE ROTARY TUMBLER SWITCH SIG (+) HECKD SIG (+) HECKL TRUNK LID/LIFTGATE CENTRAL LOCKING MOTOR TRUNK LID/LIFTGATE EXTERNAL OPERATION SWITCH YEL WIRE YEL/BLU WIRE YEL/RED WIRE

49 R BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL 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 DRIVER-SIDE FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 123 FUSE 200 FUSE 201 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORNS SYSTEM HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM LIN LIN 1 ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE SIG SIG (1) SIG (2) SIG 3 STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE

BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN-B H AAG COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FRONT SEAT HEATER/SEAT VENTILATION CONTROL UNIT FUSE 203 FUSE 306 HOT AT ALL TIMES LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS LEFT FRONT SEAT HEATER SWITCH LEFT FRONT SEAT VENTILATION SWITCH NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SEDAN WAGON SEDAN, WAGON COUPE, CONVERTIBLE VIO WIRE W/ SEATING COMFORT PACKAGE

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L CENTER REAR SEAT BELT BUCKLE SWITCH COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE SWITCH FRONT PASSENGER SEAT BELT BUCKLE SWITCH FUSE 312 FUSE 477 HOT AT ALL TIMES LEFT REAR SEAT BELT BUCKLE SWITCH LEFT REAR SEAT BELT COMFORT-FIT FUNCTION SOLENOID NCA WIRE ORG/GRN WIRE ORG/VIO WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/BLU WIRE RED/GRY WIRE RIGHT REAR SEAT BELT BUCKLE SWITCH RIGHT REAR SEAT BELT COMFORT-FIT FUNCTION SOLENOID SIG SIG HECKL 1 SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE VIO/WHT WIRE

ADAPTIVE DAMPING SYSTEM AIR BODY CONTROL UNIT AMBIANCE ILLUMINATION CONTROL UNIT BACKUP RELAY BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CONTROL UNIT) DRIVER SEAT HEATER CONTROL UNIT FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 5) FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT VEHICLE INTERIOR POWER OUTLET FUEL PUMP CONTROL UNIT FUSE 403 FUSE 404 FUSE 405 FUSE 407 FUSE 411 FUSE 412 FUSE 414 FUSE 415 FUSE 417 FUSE 449 FUSE 450 FUSE 451 FUSE 453 FUSE 454 FUSE 455 FUSE 456 FUSE 457 FUSE 458 FUSE 476 FUSE 477 GRY/BLU WIRE HEATED REAR WINDOW RELAY INTELLIGENT DRIVE CONTROL UNIT LEFT REAR MULTICONTOUR SEAT CONTROL UNIT LUGGAGE COMPARTMENT SOCKET MULTICONTOUR SEAT PNEUMATIC PUMP N/A REAR CENTER CONSOLE POWER OUTLET REAR SAM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT REAR USB CONNECTOR 3 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RES FUSE 459 RES FUSE 460 RES FUSE 465 RES FUSE 466 RES FUSE 481 RES FUSE 482 RESERVE SOLENOID SWITCH RELAY RIGHT REAR SEAT HEATER CONTROL UNIT TO DC/AC CONVERTER CONTROL UNIT (DIAGRAM 1 OF 5) TO FUSE 461 (DIAGRAM 4 OF 5) TUNER UNIT TV TUNER CONTROL UNIT W/ SMOKER'S PACKAGE W/O SMOKER'S PACKAGE

BLK/BLU WIRE BLK/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B L CAN-B H AAG COMPUTER DATA LINES SYSTEM COUPE, SEDAN FUSE 476 GRN WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT REAR BACKREST INCLINATION SWITCH LEFT REAR BACKREST LOCK SWITCH LEFT REAR BACKREST RELEASE ACTUATOR ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE PNK WIRE PNK/BRN WIRE PNK/GRN WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/BLK WIRE RIGHT REAR BACKREST INCLINATION SWITCH RIGHT REAR BACKREST LOCK SWITCH RIGHT REAR BACKREST RELEASE ACTUATOR SIG WAGON YEL/GRN WIRE YEL/RED WIRE

AAG BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DIAG ENGINE CONTROLS SYSTEM FUSE 476 FUSE 477 GRN/BLU WIRE GRY/BLK WIRE GRY/YEL WIRE HECKR HGB AL HOT AT ALL TIMES NSL HECKL ORG/ WIRE PASSIVE RESTRAINTS SYSTEM PNK/BLK WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RFS- SIG SUPPLEMENTAL RESTRAINTS SYSTEM TANK CAP CENTRAL LOCKING ACTUATOR VIO/GRN WIRE VIO/WHT WIRE YEL/WHT WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM FRONT SAM CONTROL MODULE CIRCUIT GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HECKD LIN M+ (-) NAVIGATION SYSTEM ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE PNK WIRE PNK/GRN WIRE POWER WINDOWS SYSTEM POWER WINDOWS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS REAR SAM CONTROL UNIT REAR SAM CONTROL UNIT (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/BLU WIRE SEATS SYSTEM SEATS SYSTEM COMPUTER DATA LINES SYSTEM SEDAN WAGON SIG SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLU WIRE WHT WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE

AUDIO/COMAND CONTROL PANEL BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B L CAN-B H AAG COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE FUSE 476 GND MOT GRN WIRE HOT AT ALL TIMES LIN MOT- MULTIPLE FUSE 2 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT REAR WINDOW ROLLER SUN BLIND BUTTON REAR WINDOW ROLLER SUN BLIND MOTOR RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT LOWER CONTROL PANEL SEDAN SENS SENS 1 SENS 2 SENS GND SIG WHT WIRE YEL WIRE