Mercedes-Benz CLS-class C257 facelift (2021-2024) blu/wht Wiring diagrams

BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CHARGE AIR COOLER BYPASS COOLANT TEMPERATURE SENSOR CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE DRIVETRAIN CONTROL UNIT ELECTRIC COOLANT PUMP ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FAN MOTOR (BEHIND RADIATOR) FRONT SAM CONTROL UNIT FUSE 117 FUSE 119 FUSE 209 FUSE 305 FUSE 311 FUSE 7 GRN WIRE GRN/BLK WIRE GRY/RED WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ CPC RELAY ENERGIZED ME-SFI (ME) CONTROL UNIT (LEFT TOP OF ENGINE) N/A OUTSIDE TEMPERATURE SENSOR OVERHEAD CONSOLE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT PRESSURE SENSOR SIG YEL WIRE YEL/BLK WIRE

BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT FUSE 477 GRY/BLU WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT REAR LAMP UNIT REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/GRY WIRE RIGHT REAR LAMP UNIT SIG (+) HECKL SIG HECKR VIO WIRE VIO/WHT WIRE

BATTERY DISCONNECT BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 302 GRN WIRE GRN/WHT WIRE HECKD HOT W/ LEFT FRONT DOOR CONTROL UNIT LEFT OUTER REAR BUMPER RADAR SENSOR LEFT OUTSIDE MIRROR PASSENGER-SIDE A-PILLAR FUSE BOX REAR SAM CONTROL UNIT RED WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTER REAR BUMPER RADAR SENSOR RIGHT OUTSIDE MIRROR SIG SWITCH RELAY ENERGIZED

BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN L H CAN L L CIRCUIT 30 TERMINAL BLOCK COMPUTER DATA LINES SYSTEM DC/DC CONVERTER CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT FUSE 202 FUSE 315 FUSE 6 HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT ME-SFI (ME) CONTROL UNIT NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE ORG/WHT WIRE PARTITION WALL BUS BAR PASSENGER-SIDE A-PILLAR FUSE BOX PYRO FUSE (RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE SIG STARTER GENERATOR CONTROL UNIT VIO WIRE VIO/WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR DRIVER SEAT CONTROL UNIT DRIVER SEAT CUSHION LENGTH ADJUSTMENT MOTOR DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR DRIVER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR DRIVER SEAT HEIGHT ADJUSTMENT MOTOR DRIVER SEAT INCLINATION ADJUSTMENT MOTOR DRIVER-SIDE FUSE, RELAY MODULE FLEX FUSE 203 FUSE 211 FUSE 303 GRN WIRE GRN/VIO WIRE GRY WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEATS SYSTEM SIG STEERING COLUMN MEMORY CIRCUIT STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT/BLK WIRE YEL WIRE

BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT DRIVER SEAT HEATER CONTROL UNIT FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT HEATER CONTROL UNIT FUSE 306 FUSE 453 HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT BACKREST HEATER PAD TEMPERATURE SENSOR LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT SITTING SURFACE HEATER PAD TEMPERATURE SENSOR NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT BACKREST HEATER PAD TEMPERATURE SENSOR RIGHT FRONT SEAT CLIMATE CONTROL SWITCH GROUP RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT SITTING SURFACE HEATER PAD TEMPERATURE SENSOR SIG VIO WIRE

BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 302 FUSE 303 FUSE 304 HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT BACKREST SIDE BOLSTER HEATER PAD LEFT FRONT SEAT BACKREST SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS LEFT FRONT SEAT CUSHION SIDE BOLSTER HEATER PAD LEFT FRONT SEAT CUSHION SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SIG VIO WIRE W/ SEAT HEATER W/ SEAT HEATER PLUS

BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT PASSENGER SEAT CONTROL UNIT NCA WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT BACKREST SEAT VENTILATION MOTORS RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT BACKREST SIDE BOLSTER HEATER PAD RIGHT FRONT SEAT BACKREST SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR RIGHT FRONT SEAT CLIMATE CONTROL SWITCH GROUP RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT CUSHION SEAT VENTILATION MOTORS RIGHT FRONT SEAT CUSHION SIDE BOLSTER HEATER PAD RIGHT FRONT SEAT CUSHION SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR SIG VIO WIRE W/ SEAT HEATER W/ SEAT HEATER PLUS

BLK WIRE BLU WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT FRONT SAM CONTROL UNIT FUEL PRESSURE SENSOR FUEL PUMP CONTROL UNIT FUSE 200 GRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/YEL WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR ORG/ WIRE OUTSIDE TEMPERATURE SENSOR RED WIRE RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG SIG (+) COC SIG GND VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

58 D BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN L H CAN L L CIRCUIT 30 TERMINAL BLOCK COMPUTER DATA LINES SYSTEM DC/DC CONVERTER CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP PNK FLEX-E BM WIRE FRONT SAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT FUSE 202 FUSE 315 FUSE 6 GRN WIRE HOT AT ALL TIMES KEYLESS GO START/STOP BUTTON ME-SFI (ME) CONTROL UNIT NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE ORG/WHT WIRE PARTITION WALL BUS BAR PASSENGER-SIDE A-PILLAR FUSE BOX PYRO- FUSE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE SIG SIG (1) SIG (2) SIG 3 STARTER GENERATOR CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT WHT WIRE YEL WIRE