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

AUDIO H AUDIO L+ BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLUETOOTH ANTENNA BRN WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM ENGINE SOUND CONTROL UNIT (LEFT SIDE OF ENGINE COMPT) FUSE 2 FUSE 307 FUSE 313 FUSE 408 FUSE 412 GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR DOOR MIDRANGE SPEAKER MULTIPLE FUSE 2 NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/BLK WIRE PNK/WHT WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT DOOR MIDRANGE SPEAKER RIGHT FRONT DOOR TWEETER RIGHT FRONT FOOTWELL WOOFER RIGHT REAR DOOR MIDRANGE SPEAKER VIO WIRE W/ SPORTY ENGINE SOUND W/O SPORTY ENGINE SOUND WHT WIRE WHT/BLK WIRE

ADVANCED SOUND SYSTEM AMPLIFIER CONTROL UNIT BLU WIRE BRN WIRE CENTER INSTRUMENT PANEL MIDRANGE SPEAKER CENTER INSTRUMENT PANEL SPEAKER DRIVER HANDS-FREE SYSTEM MICROPHONE FRONT PASSENGER HANDS-FREE SYSTEM MICROPHONE GRN WIRE GRY WIRE GRY/BLK WIRE MUTE NCA WIRE ORG/ WIRE PNK WIRE REAR PASSENGER COMPARTMENT MULTIMEDIA CONNECTION RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SHIELD SOUND AMPLIFIER CIRCUIT SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM MIDLINE AMPLIFIER CONTROL UNIT SOUND SYSTEMS UPPER CONTROL PANEL CONTROL UNIT USB USB GND USB H USB L VIO WIRE W/ ADVANCED SOUND SYSTEM W/O ADVANCED SOUND SYSTEM WHT WIRE

AUDIO H AUDIO L+ AUDIO/COMAND CONTROL PANEL (W/O TOUCHPAD) TOUCHPAD (W/ TOUCHPAD) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE CAN A H CAN A L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM GPS GRY WIRE GRY/BLK WIRE GRY/WHT WIRE LEFT LOWER CONTROL PANEL MIC H MIC-L MUTE NCA WIRE ORG/ WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT LOWER CONTROL PANEL SHIELD SUPPLEMENTAL RESTRAINTS SYSTEM TEL VIO WIRE W/ COMAND APS W/ UPRATED ENGINE W/O UPRATED ENGINE W/ ADVANCED SOUND SYSTEM W/O UPRATED ENGINE, ADVANCED SOUND SYSTEM WHT WIRE YEL WIRE

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 BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT 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 HEAT (+) HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT 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/BLU WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT 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 31 TEMP VIO WIRE W/ CLIMATE CONTROL

BLK WIRE BLU 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 FM/AM 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 INSTRUMENT CLUSTER KAPA KEYLESS-GO CONTROL UNIT LEFT REAR DOOR KEYLESS GO ANTENNA LEFT REAR KEYLESS GO DOOR HANDLE LF 1 LF 2 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLU WIRE PNK/GRY WIRE REAR FUSE, RELAY MODULE REAR SWITCHING MODULE (W/ HANDSFREE ACCESS) REAR SWITCHING MODULE LOWER SENSOR REAR SWITCHING MODULE UPPER SENSOR REAR WINDOW ANTENNA RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RIGHT REAR DOOR KEYLESS GO ANTENNA RIGHT REAR KEYLESS GO DOOR HANDLE SHIELD SIG TRUNK KEYLESS GO ANTENNA VIO WIRE VIO/WHT WIRE WAKE-UP WHT WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE

BLK/BLU WIRE BLK/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B L CAN-B H AAG COMPUTER DATA LINES SYSTEM FUSE 476 GRN WIRE HOT AT ALL TIMES LEFT REAR BACKREST INCLINATION SWITCH LEFT REAR BACKREST LOCK SWITCH ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/BLK WIRE RIGHT REAR BACKREST INCLINATION SWITCH RIGHT REAR BACKREST LOCK SWITCH SIG SIG (1) SIG (2)

ACTIVE PARKING ASSIST/STATIONARY HEATER ANTENNA ACTIVE PARKING ASSIST/STATIONARY HEATER ANTENNA SPLITTER AIR CONDITIONING SYSTEM BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BT TEL FUSE 314 FUSE 416 GRN/VIO WIRE GRY/RED WIRE HOT AT ALL TIMES NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE SHD SHIELD SIG SIG STH STATIONARY HEATER FUEL PUMP STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER UNIT W/ REMOTE PARK-PILOT W/O REMOTE PARK-PILOT

BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BLK WIRE BLU/WHT WIRE BRN WIRE BRN/VIO WIRE CAN L H CAN L L CIRCUIT 30 TERMINAL BLOCK COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FUEL PRESSURE SENSOR FUSE 202 FUSE 315 FUSE 6 GRN/GRY WIRE GRN/PNK WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES INTEGRATED STARTER GENERATOR (REAR OF ENGINE) MPAC U MPAC V MPAC W MPAC X MPAC Y MPAC Z NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE ORG/WHT WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/RED WIRE POWER DISTRIBUTION SYSTEM PYRO- FUSE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT (OR RED) WIRE RED/WHT WIRE RED/YEL WIRE SIG STARTER GENERATOR CONTROL UNIT (LOWER REAR OF RIGHT SIDE OF ENGINE) VIO/WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/YEL WIRE ENGINE OIL FILL LEVEL SENSOR ENGINE OIL PRESSURE, TEMPERATURE SENSOR GRN/BLK WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/YEL WIRE IGNITION COIL CYLINDER 1 IGNITION COIL CYLINDER 3 ME-SFI (ME) CONTROL UNIT (LEFT TOP OF ENGINE) MOT- PNK WIRE PNK/RED WIRE POTENTIAL DISTRIBUTOR RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE SENS SENS 1 SENS 2 SENS GND SIG THROTTLE VALVE ACTUATOR VIO WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE