Mercedes-Benz CLS-class C257 facelift (2021-2024) instrument cluster control unit Wiring diagrams

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN A H CAN A L COMPUTER DATA LINES FUSE 2 FUSE 3 FUSE 313 GRN WIRE GRN/VIO WIRE HEAD UNIT HEAD UNIT/INSTRUMENT CLUSTER DISPLAY CLUSTER HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT MM-BOX MOBILE PHONE CRADLE CONTROL UNIT MULTIMEDIA CONNECTION UNIT MULTIPLE FUSE 1 MULTIPLE FUSE 2 NCA WIRE ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE SHIELD SIG SYSTEM USB USB GND VIO WIRE VIO/WHT WIRE YEL WIRE

BLU WIRE CENTER BLUETOOTH/WIFI ANTENNA DIAGNOSTIC CONNECTOR ETHERNET FM 2, DAB, TV ANTENNA AMPLIFIER FM, AM, CL, DAB, KEYLESS-GO ANTENNA AMPLIFIER GRN WIRE GRY WIRE GRY/BRN WIRE HEAD UNIT INSTRUMENT CLUSTER CONTROL UNIT LEFT "C" PILLAR) N/A N/A WLAN NCA WIRE ORG/ WIRE PARKING SYSTEM CONTROL UNIT PNK WIRE SDARS ANTENNA SHIELD SHIELD CID/PIP SHIELD EMOST SHIELD FM/AM SHIELD GNSS SHIELD RVC SHIELD TV/SDARS SIG VIO WIRE VIO/BRN WIRE WHT/BLK WIRE

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

10 9 ETH (-) PNK ETH (+) WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN-D H CAN-D L DIAGNOSTIC CONNECTOR ELECTRONIC IGNITION SWITCH CONTROL UNIT ETH (+) ETHERNET ETH (-) SIG 6 7 FUSE 308 GRN WIRE GRY WIRE GRY/WHT WIRE HEAD UNIT HERMES CONTROL UNIT HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RED/VIO WIRE SIG

BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRICAL POWER STEERING CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FLEX FUSE 8 GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT PNK FLEX WIRE RED WIRE VIO WIRE VIO/WHT WIRE

BLK WIRE BLK/BRN WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT SAM CONTROL UNIT FUSE 110 FUSE 128 FUSE 133 FUSE 200 FUSE 305 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT LEFT FRONT LAMP UNIT LEFT REAR LEVEL SENSOR OVERHEAD CONSOLE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SIG VIO WIRE VIO/WHT WIRE WHT/BLK WIRE YEL WIRE

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

BLK WIRE BLK/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L CENTER CONSOLE KEYLESS GO ANTENNA COMPUTER DATA LINES SYSTEM DRIVER DOOR KEYLESS-GO DOOR HANDLE ELECTRONIC IGNITION SWITCH CONTROL UNIT FM, AM, CL, DAB, KEYLESS-GO ANTENNA AMPLIFIER FRONT PASSENGER DOOR KEYLESS-GO DOOR HANDLE FUSE 319 FUSE 320 FUSE 469 GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/YEL WIRE HEAD UNIT HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT KAPA KEYLESS-GO CONTROL UNIT LEFT REAR DOOR KEYLESS GO ANTENNA LEFT REAR KEYLESS GO DOOR HANDLE NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLU WIRE PNK/GRY WIRE REAR FUSE, RELAY MODULE REAR SWITCHING MODULE REAR SWITCHING MODULE LOWER SENSOR REAR SWITCHING MODULE UPPER SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RIGHT REAR DOOR KEYLESS GO ANTENNA RIGHT REAR KEYLESS GO DOOR HANDLE SHIELD SHIELD FM/AM SIG TRUNK KEYLESS GO ANTENNA VIO WIRE VIO/WHT WIRE WHT WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE

AMBIANCE ILLUMINATION CONTROL UNIT FROM FUSE 449 (DIAGRAM 3 OF 9) FUSE 406 FUSE 408 FUSE 409 FUSE 410 FUSE 412 FUSE 413 FUSE 414 FUSE 415 FUSE 416 FUSE 417 FUSE 424 FUSE 425 FUSE 426 FUSE 427 FUSE 428 FUSE 429 FUSE 435 FUSE 436 FUSE 443 FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 FUSE 461 FUSE 462 FUSE 463 FUSE 464 FUSE 467 FUSE 468 FUSE 469 FUSE 470 FUSE 471 FUSE 472 FUSE 473 FUSE 474 FUSE 475 FUSE 478 FUSE 479 FUSE 480 FUSE 483 FUSE 484 INSTRUMENT CLUSTER CONTROL UNIT INTELLIGENT DRIVE CONTROL UNIT N/A NOT USED PARKING SYSTEM CONTROL UNIT REAR SWITCHING MODULE REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SOUND SYSTEM AMPLIFIER CONTROL UNIT TIRE PRESSURE MONITOR CONTROL UNIT TO DC/DC CONVERTER CONTROL UNIT (DIAGRAM 2 OF 9) TRUNK LID CONTROL UNIT

BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP PNK FLEX-E BM WIRE FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT FUSE 10 FUSE 205 GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT RED/BLU WIRE RED/GRN WIRE SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON VEHICLE INTERIOR PREFUSE BOX VIO WIRE VIO/WHT WIRE