Mercedes-Benz CLS-class C257 facelift (2021-2024) rear sam control unit Wiring diagrams

ACCELERATOR PEDAL SENSOR BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT GRN WIRE GRN/WHT WIRE HECKD INSTRUMENT CLUSTER CONTROL UNIT LEFT OUTER REAR BUMPER RADAR SENSOR PNK WIRE RADOME HEATER REAR SAM CONTROL UNIT RED/BLK WIRE RED/BLU WIRE RIGHT OUTER REAR BUMPER RADAR SENSOR SHORT, LONG-RANGE RADAR SENSOR SIG VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COC COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, HORNS SYSTEMS DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS DRIVER-SIDE FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS, INSTRUMENT CLUSTER SYSTEMS FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 123 FUSE 200 FUSE 201 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE HAZARD LIGHT HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS, INTERIOR LIGHTS, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS, MIRRORS, EXTERIOR LIGHTS, AIR CONDITIONING SYSTEMS HORNS SYSTEM HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER, AIR CONDITIONING SYSTEMS ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SIG STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE WARNING, ANTI-LOCK BRAKES SYSTEMS WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE

AMBIANCE ILLUMINATION CONTROL UNIT BRN WIRE BRN/RED WIRE CAN B H CAN B L CLIMATE CONTROL UNIT FRONT PASSENGER SEAT CONTROL UNIT KEYLESS-GO CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT REAR SAM CONTROL UNIT RED WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT MULTICONTOUR SEAT CONTROL UNIT RIGHT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR RIGHT REAR DOOR CONTROL UNIT VIO WIRE

AC HOUSING, BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BLK WIRE BLK/YEL WIRE BRN WIRE BRN/VIO WIRE CIRCUIT 30 TERMINAL BLOCK ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FAN MOTOR FROM ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 1 OF 9) FROM REAR FUSE, RELAY MODULE (DIAGRAM 6 OF 9) FRONT SAM CONTROL UNIT FSS FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT FUSE 1 FUSE 10 FUSE 13 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 GRY WIRE HECKD N/A NOT USED ON-BOARD ELECTRICAL SYSTEM BATTERY PYROFUSE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT (OR RED) WIRE RED/WHT WIRE TO DC/DC CONVERTER CONTROL UNIT (DIAGRAM 2 OF 9) TO DRIVER-SIDE FUSE, RELAY MODULE (DIAGRAM 2 OF 9) TO ENGINE FUSE, RELAY MODULE (DIAGRAM 7 OF 9) TO PASSENGER-SIDE A-PILLAR FUSE BOX (DIAGRAM 5 OF 9) TO PASSENGER-SIDE A-PILLAR FUSE BOX (DIAGRAM 8 OF 9) TO REAR FUSE, RELAY MODULE (DIAGRAM 3 OF 9) VEHICLE INTERIOR PREFUSE BOX VIO WIRE

BACKUP RELAY BRN WIRE BRN/BLU WIRE BRN/YEL WIRE DRIVER SEAT HEATER CONTROL UNIT FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 9) FUEL PUMP CONTROL UNIT FUSE 400 FUSE 401 FUSE 402 FUSE 403 FUSE 404 FUSE 405 FUSE 407 FUSE 411 FUSE 449 FUSE 450 FUSE 451 FUSE 452 FUSE 453 FUSE 454 FUSE 455 FUSE 456 FUSE 457 FUSE 458 FUSE 459 FUSE 460 FUSE 465 FUSE 466 FUSE 476 FUSE 477 FUSE 481 FUSE 482 GRY/BLU WIRE HEATED REAR WINDOW RELAY HECKR MULTICONTOUR SEAT PNEUMATIC PUMP N/A NOT USED REAR CIGARETTE LIGHTER REAR PASSENGER COMPARTMENT USB CONNECTOR REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE SOCKETS, REAR SEAT ENTERTAINMENT SYSTEM RELAY TO FUSE 417 (DIAGRAM 6 OF 9) TO FUSE 423 (DIAGRAM 9 OF 9)

BLK/VIO WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE DEFOGGER SYSTEM ENGINE CONTROLS SYSTEM FUSE 476 FUSE 477 GRN/BLU WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HECKR HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED PNK/BLK WIRE POWER DISTRIBUTION SYSTEM REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE SIG SIG (+) HECKL TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/GRN WIRE VIO/WHT WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 331 FUSE 476 GRN WIRE HOT AT ALL TIMES MOT GND/(+) NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT REAR WINDOW ROLLER SUN BLIND MOTOR RED/BLK WIRE RED/BLU WIRE RIGHT LOWER CONTROL PANEL SENS SENS 1 SENS 2 SENS GND TOUCHPAD VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN C H COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES SYSTEM ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FUEL PUMP (FP) FUEL PUMP CONTROL UNIT (UNDER RIGHT REAR SEAT) FUEL TANK DIAGNOSTIC MODULE FUSE 101 FUSE 102 FUSE 103 FUSE 104 FUSE 5 GRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/WHT WIRE GRY/PNK WIRE HECKR HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR ME-SFI (ME) CONTROL UNIT ORG/BLU WIRE PNK/BLK WIRE PNK/RED WIRE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG SUPPLEMENTAL RESTRAINTS SYSTEM TO CPC RELAY (DIAGRAM 9 OF 9) VIO/ORG WIRE WHT WIRE YEL WIRE