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

AIR BODY CONTROL PLUS CONTROL UNIT AIR BODY CONTROL UNIT AIR SUSPENSION BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX E BM PNK FLEX E BP WIRE FLEX-E BM FLEX-E BP FUSE 428 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT LEFT FRONT AXLE AIR SUSPENSION VALVE UNIT LEFT REAR LEFT REAR AXLE AIR SUSPENSION VALVE UNIT NCA WIRE ORG/ WIRE PNK WIRE REAR FUSE, RELAY MODULE RED/WHT WIRE RIGHT FRONT RIGHT FRONT AXLE AIR SUSPENSION VALVE UNIT RIGHT FRONT BODY LATERAL ACCELERATION SENSOR RIGHT REAR AIR SUSPENSION VALVE 1 RIGHT REAR AIR SUSPENSION VALVE 2 RIGHT REAR AXLE AIR SUSPENSION VALVE UNIT SENS SENS GND SENS SIG SIG VALVE 1 VALVE 2 VIO/GRN WIRE VLV 1 H VLV 1 L VLV 2 H VLV 2 L WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLU/BLK WIRE BLU/YEL WIRE 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 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 HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LEFT REAR AXLE RPM SENSOR MOT GND/(+) MOT GND/(+) 31 NCA WIRE PNK/GRN WIRE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RIGHT REAR AXLE RPM SENSOR RIGHT REAR BRAKE WEAR SENSOR SIG SIG (1) SIG (2) SIG 3 SIG 4 PNK FLEX E BM PNK FLEX E BM WIRE STOP LAMP SWITCH VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLU WIRE EMERGENCY CALL SYSTEM ANTENNA 1 EMERGENCY CALL SYSTEM ANTENNA 2 FRONT CENTER CONSOLE USB CONNECTOR GRN WIRE GRY/BLU WIRE HEAD UNIT MOST MOST DATA BUS CIRCUIT MULTIMEDIA CONNECTION UNIT NCA WIRE ORG/ WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SHIELD SIG SOUND SYSTEMS TV 1 ANTENNA AMPLIFIER TV 3 ANTENNA AMPLIFIER TV TUNER CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) USB USB (+) USB H USB GND USB H USB L W/O WIRELESS PHONE CHARGING AT FRONT, ANTENNA WAKE-UP WHT/YEL WIRE WINDSHIELD ANTENNA

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 CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COOLANT LEVEL SWITCH COOLANT TEMPERATURE SENSOR DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC COOLANT PUMP (BOTTOM RIGHT FRONT OF ENGINE) ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FAN MOTOR (BEHIND RADIATOR) FRONT SAM CONTROL UNIT FUSE 119 FUSE 210 FUSE 3 FUSE 311 FUSE 7 GRN/BLK WIRE HOT AT ALL TIMES HOT W/ CPC RELAY ENERGIZED ME-SFI (ME) CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE SIG SIG 87 WHT/BLU WIRE YEL/BLK WIRE

BLK WIRE BLU/BLK WIRE BLU/GRY WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FRONT CENTER CONSOLE CUP HOLDER ILLUMINATION FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 200 GLOVE BOX LAMP) GLOVE BOX LAMP/ SWITCH GRN WIRE GRY/BLU WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT ILLUMINATED DOOR SILL MOLDING LEFT FRONT MIRROR LAMP SWITCH LEFT SUN VISOR MIRROR LAMP NCA WIRE PERFUME ATOMIZER GENERATOR RED WIRE RED/YEL WIRE RIGHT FRONT ILLUMINATED DOOR SILL MOLDING RIGHT FRONT MIRROR LAMP SWITCH RIGHT SUN VISOR MIRROR LAMP SIG SIG (+) COC W/ AIR QUALITY PACKAGE WHT/RED 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/GRY WIRE BLU/WHT WIRE BLU/YEL 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 CRASH 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 HAZARD SIG HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS, INTERIOR LIGHTS, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS, MIRRORS, EXTERIOR LIGHTS, AIR CONDITIONING SYSTEMS HORNS SYSTEM HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER, AIR CONDITIONING SYSTEMS LIN 1 LIN-B 15 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 REL GND REL O (+) REL O GND SENS SENS SIG SIG (+) WSR SIG (1) SIG (2) SIG 15 SIG 3 STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE WARNING, ANTI-LOCK BRAKES SYSTEMS WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE

ADVANCED SOUND SYSTEM AMPLIFIER CONTROL UNIT BLU/BLK WIRE HEAD UNIT MOST NCA WIRE SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM MIDLINE AMPLIFIER CONTROL UNIT TV TUNER CONTROL UNIT W/ ADVANCED SOUND SYSTEM W/ TV TUNER W/O SOUND, ADVANCED SOUND SYSTEM W/ TV TUNER, ADVANCED SOUND SYSTEM, W/0 SOUND SYSTEM W/O ADVANCED SOUND SYSTEM W/O TV TUNER WAKE-UP

AUDIO H AUDIO L+ BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/WHT WIRE COMAND ACTUATION CIRCUIT FUSE 475 GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT FRONT ACTIVE ENGINE NOISE COMPENSATION MICROPHONE LEFT FRONT DOOR MIDRANGE SPEAKER LEFT FRONT DOOR TWEETER LEFT FRONT FOOTWELL WOOFER LEFT REAR DOOR MIDRANGE SPEAKER LEFT REAR DOOR TWEETER LEFT REAR SURROUND SOUND SYSTEM MIDRANGE SPEAKER MIC H MIC-L MOST MOST DATA BUS CIRCUIT MUTE NCA WIRE PNK WIRE PNK/BLK WIRE REAR FUSE, RELAY MODULE RED WIRE RIGHT FRONT ACTIVE ENGINE NOISE COMPENSATION MICROPHONE SHIELD SOUND SYSTEM AMPLIFIER CONTROL UNIT VIO WIRE VIO/BLK WIRE WAKEUP WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AUDIO H AUDIO L+ BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE COMAND ACTUATION CIRCUIT COMPUTER DATA LINES SYSTEM FUSE 475 GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT FRONT ACTIVE ENGINE NOISE COMPENSATION MICROPHONE LEFT FRONT DOOR MIDRANGE SPEAKER LEFT FRONT DOOR TWEETER LEFT FRONT FOOTWELL WOOFER LEFT REAR DOOR MIDRANGE SPEAKER MIC H MIC-L MOST MOST DATA BUS CIRCUIT MUTE NCA WIRE PNK WIRE PNK/BLK WIRE REAR FUSE, RELAY MODULE RED WIRE RIGHT FRONT ACTIVE ENGINE NOISE COMPENSATION MICROPHONE SHIELD SOUND SYSTEM MIDLINE AMPLIFIER CONTROL UNIT VIO WIRE VIO/BLK WIRE WAKEUP WHT WIRE WHT/BLK WIRE YEL WIRE

AUDIO H AUDIO L+ BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON DRIVER-SIDE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT FUSE 203 FUSE 435 FUSE 477 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES ILL LEFT FRONT DOOR CONTROL UNIT MOT GND/(+) MOT GND/(+) SIG MOT HECKD PNK WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SENS PNK SENS (+) SENS GND WIRE SEPARATE TRUNK LID LOCK SWITCH SIG SIG (+) COC SIG (1) SIG (2) TRUNK LID CONTROL UNIT TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID/ LIFTGATE CONTROL BUTTON TRUNK LID/ LIFTGATE CONTROL WARNING BUZZER TRUNK LID/ LIFTGATE EXTERNAL OPERATION SWITCH TRUNK LID/ LIFTGATE LOCK TRUNK LID/ LIFTGATE LOCKING ELEMENT TRUNK LID/LIFTGATE CONTROL DRIVE UNIT WHT WIRE WHT/GRN WIRE