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

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM DUAL BRAKE VACUUM SENSOR 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/GRY WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/ORG WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LEFT REAR AXLE RPM SENSOR MOT GND/(+) MOT GND/(+) 31 PEDAL ANGLE SENSOR PNK/GRN WIRE REAR SAM CONTROL UNIT RED WIRE RED/BLK 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 VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

#6 #7 6 7 LIN AC HOUSING, BLK WIRE BLOWER MOTOR BLOWER REGULATOR BLU WIRE BRN WIRE BRN/VIO WIRE CAN B H CAN B L CENTRAL AIR DISTRIBUTION POSITION DETECTION MICROSWITCH CLIMATE CONTROL UNIT (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE EVAPORATOR TEMPERATURE SENSOR FUSE 210 FUSE 3 GRN/VIO WIRE GRY/RED WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FOOTWELL AIR OUTLET TEMPERATURE SENSOR PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FOOTWELL AIR OUTLET TEMPERATURE SENSOR SIG VEHICLE INTERIOR PREFUSE BOX WHT/BLU WIRE YEL WIRE

BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN L H CAN L L CIRCUIT 30 TERMINAL BLOCK COMPUTER DATA LINES SYSTEM DC/DC CONVERTER CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT FUSE 202 FUSE 315 FUSE 6 HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT ME-SFI (ME) CONTROL UNIT NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE ORG/WHT WIRE PARTITION WALL BUS BAR PASSENGER-SIDE A-PILLAR FUSE BOX PYRO FUSE (RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE SIG STARTER GENERATOR CONTROL UNIT VIO WIRE VIO/WHT WIRE YEL WIRE

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

BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CAN L CAN LR H CAN LR L CAN-H COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FRONT MULTIMEDIA CONNECTION UNIT 2 FUSE 211 GRN WIRE HEAD UNIT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LEFT LOWER CONTROL PANEL NCA WIRE NEAR FIELD COMMUNICATION ANTENNA ORG/ WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT LOWER CONTROL PANEL SHIELD SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS TOUCHPAD USB WHT WIRE YEL WIRE

BLK WIRE BLU/BRN WIRE BLU/ORG WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 214 FUSE 301 FUSE 302 FUSE 417 FUSE 476 GRN WIRE GRN/YEL WIRE GRY/BLK WIRE HECKL HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LUGGAGE COMPARTMENT LAMP PASSENGER-SIDE A-PILLAR FUSE BOX PASSENGER-SIDE EXTERIOR AMBIANCE ILLUMINATION REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT REAR FOOTWELL LAMP SIG SIG (1) SIG 1 HECKD TRUNK LID/ LIFTGATE LOCK TRUNK LID/LIFTGATE EXTERNAL OPERATION SWITCH YEL WIRE YEL/BLU WIRE YEL/RED WIRE

BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED 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 HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP 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/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP 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 VIO WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 4 FUSE 407 FUSE 5 GRY WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED 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

BLK/BLU WIRE BLK/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 476 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED 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

58 D BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN L H CAN L L CIRCUIT 30 TERMINAL BLOCK COMPUTER DATA LINES SYSTEM DC/DC CONVERTER CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP PNK FLEX-E BM WIRE FRONT SAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT FUSE 202 FUSE 315 FUSE 6 GRN WIRE HOT AT ALL TIMES KEYLESS GO START/STOP BUTTON ME-SFI (ME) CONTROL UNIT NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY ORG/ WIRE ORG/WHT WIRE PARTITION WALL BUS BAR PASSENGER-SIDE A-PILLAR FUSE BOX PYRO- FUSE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE SIG SIG (1) SIG (2) SIG 3 STARTER GENERATOR CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT WHT WIRE YEL WIRE