Mercedes-Benz CLS-class AMG C257 facelift (2021-2024) rear fuse, relay module Wiring diagrams

AAG ARMREST HEATER CONTROL UNIT BLK WIRE BLU/GRY 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 FUSE 425 GRN WIRE GRN/GRY WIRE HEAT (+) HOT AT ALL TIMES LEFT FRONT CENTER CONSOLE ARMREST HEATING ELEMENT LEFT FRONT DOOR ARMREST HEATING ELEMENT LEFT FRONT DOOR CONTROL UNIT NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT FRONT CENTER CONSOLE ARMREST HEATING ELEMENT RIGHT FRONT DOOR ARMREST HEATING ELEMENT RIGHT FRONT DOOR CONTROL UNIT SIG SIG TEMP TEMP

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

BLK WIRE CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR FM 2, DAB, TV ANTENNA AMPLIFIER FM DABIII FM, AM, CL, DAB, KEYLESS-GO ANTENNA AMPLIFIER FUSE 317 FUSE 320 FUSE 414 HOT AT ALL TIMES KEYLESS-GO CONTROL UNIT LEFT "C" PILLAR) MOBILE PHONE CRADLE CONTROL UNIT NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR WINDOW ANTENNA (IN REAR WINDOW) RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SHIELD SIG TELEPHONE, ACTIVE PARKING ASSIST/ STATIONARY HEATER ANTENNA CHANGEOVER SWITCH W/ WIRELESS MOBILE PHONE CHARGING W/O WIRELESS MOBILE PHONE CHARGING WHT/YEL 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

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 4 FUSE 407 FUSE 5 GRY WIRE HOT AT ALL TIMES LEFT FRONT BACKREST MASSAGE FUNCTION CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT LEFT FRONT SEAT CUSHION MASSAGE FUNCTION CONTROL UNIT MULTICONTOUR SEAT PNEUMATIC PUMP MULTIPLE FUSE 1 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT BACKREST MASSAGE FUNCTION CONTROL UNIT RIGHT FRONT MULTICONTOUR SEAT CONTROL UNIT RIGHT FRONT SEAT CUSHION MASSAGE FUNCTION CONTROL UNIT SIG 31

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)

BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN-B H AAG COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 214 FUSE 301 FUSE 451 HOT AT ALL TIMES LEFT REAR BACKREST HEATED CUSHION LEFT REAR DOOR CONTROL UNIT LEFT REAR SEAT CLIMATE CONTROL SWITCH GROUP LEFT REAR SEAT SITTING SURFACE HEATED CUSHION NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR BACKREST HEATER PAD RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT CLIMATE CONTROL SWITCH GROUP RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION SIG SIG 31 VIO WIRE

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

ADVANCED SOUND SYSTEM AMPLIFIER CONTROL UNIT AUDIO H AUDIO L+ BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMAND ACTUATION CIRCUIT COMPUTER DATA LINES SYSTEM FUSE 408 FUSE 475 FUSE 478 GRN WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT FOOTWELL WOOFER MOST MOST DATA BUS CIRCUIT MUTE NCA WIRE ORG/ WIRE ORG/BLU WIRE PNK WIRE PNK/WHT WIRE REAR FUSE, RELAY MODULE REAR WOOFER REAR WOOFER AMPLIFIER RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT FRONT DOOR SOUND SYSTEM TWEETER RIGHT REAR DOOR SOUND SYSTEM TWEETER SIG VIO WIRE VIO/WHT WIRE WAKE-UP WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT 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