Mercedes-Benz CLS-class C257 facelift (2021-2024) High/low bus circuit

BLK WIRE BLK/WHT WIRE BRN WIRE CAN A H CAN A L CAN HMI H CAN HMI L ELECTRICAL POWER STEERING CONTROL UNIT FLEX-E BM FLEX-E BP GRN WIRE HEAD UNIT HEAD UNIT/INSTRUMENT CLUSTER DISPLAY HEAD-UP DISPLAY (IF EQUIPPED) (LEFT SIDE OF DASH) INSTRUMENT CLUSTER CONTROL UNIT INTELLIGENT DRIVE CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR MOBILE PHONE CRADLE CONTROL UNIT PNK WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR STEREO MULTI-FUNCTION CAMERA SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TOUCHPAD (IF EQUIPPED) USER INTERFACE CAN (CAN HMI) POTENTIAL DISTRIBUTOR VIO WIRE VIO/WHT WIRE YEL WIRE YEL/BLK WIRE

BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L CAN PER H CAN PER L ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FLEX-E BM FLEX-E BP FLEX-E BP PNK FLEX-E BM PNK FLEX-E BM WIRE GRN WIRE GRN/WHT WIRE LEFT FRONT LAMP UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT CLIMATE CONTROL GROUP PARKING SYSTEM CONTROL UNIT PERIPHERY CAN (CAN PER) POTENTIAL DISTRIBUTOR PNK WIRE RIGHT FRONT LAMP UNIT SHORT, LONG-RANGE RADAR SENSOR STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE YEL WIRE YEL/BLK WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L DC/DC CONVERTER CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) DRIVER SEAT CONTROL UNIT (IF EQUIPPED) (UNDER DRIVER SEAT) FRONT SAM CONTROL UNIT (LEFT END OF DASH) GRN WIRE GRN/WHT WIRE LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT LEFT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR LEFT REAR DOOR CONTROL UNIT (IN LEFT REAR DOOR) PNK WIRE RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT CLIMATE CONTROL GROUP SLIDING ROOF CONTROL MODULE (IF EQUIPPED) (CENTER FRONT OF ROOF) TRUNK LID CONTROL UNIT (IF EQUIPPED) (LEFT SIDE OF LUGGAGE COMPT) VIO WIRE

BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN C H CAN C L CAN L H CAN L L CAN PER H CAN PER L DRIVETRAIN CONTROL UNIT (RIGHT FRONT FOOTWELL) FLEX-E BM FLEX-E BP FUEL PUMP CONTROL UNIT (UNDER RIGHT REAR SEAT) FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT GRN WIRE GRN/WHT WIRE HYBRID CAN (CAN L) POTENTIAL DISTRIBUTOR ME-SFI (ME) CONTROL UNIT (LEFT TOP OF ENGINE) ORG/ WIRE ORG/WHT WIRE PNK WIRE SOUND SYSTEM AMPLIFIER CONTROL UNIT STARTER GENERATOR CONTROL UNIT VIO 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