Mercedes-Benz CLS-class AMG C257 facelift (2021-2024) sig gnd Wiring diagrams

BLK WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 316 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED IL (+) LEFT CENTER HEADLINER MIDRANGE SPEAKER AMBIANCE ILLUMINATION LEFT REAR DOME LAMP LIN B 36 OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/WHT WIRE RIGHT CENTER HEADLINER MIDRANGE SPEAKER AMBIANCE ILLUMINATION RIGHT REAR DOME LAMP RL (+) ROOF CENTER MIDRANGE SPEAKER AMBIANCE ILLUMINATION SIG GND SIG RL VIO WIRE W/ PREMIUM AMBIENT LIGHTING W/O PREMIUM AMBIENT LIGHTING WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR DRIVER SEAT CONTROL UNIT DRIVER SEAT CUSHION LENGTH ADJUSTMENT MOTOR DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR DRIVER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR DRIVER SEAT HEIGHT ADJUSTMENT MOTOR DRIVER SEAT INCLINATION ADJUSTMENT MOTOR DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH DRIVER SEAT LUMBAR SUPPORT PNEUMATIC PUMP DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BP FLEX-E BM PNK WIRE FUSE 203 FUSE 211 FUSE 303 FUSE 4 GRN WIRE GRN/VIO WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP MOT GND/(+) MOT GND/(+) TEMP MULTIPLE FUSE 1 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PUMP (+) 31 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEATS SYSTEM SENS SENS GND SIG SIG GND STEERING COLUMN MEMORY CIRCUIT STEERING COLUMN MODULE CONTROL UNIT TEMP VIO WIRE VIO/WHT WIRE VIO/YEL WIRE W/ CLIMATE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

BACKUP LAMPS CIRCUIT BL (+) BL/TSI (+) BL/TSI (+) HECKL BLK/BLU WIRE BLK/ORG WIRE BLK/VIO WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DIAG DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 200 FUSE 209 FUSE 211 FUSE 305 FUSE 477 GRN WIRE GRN/BLU WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR TURN SIGNAL LAMP LEFT REAR LAMP UNIT NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RFL (+) DIAG RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP RIGHT REAR LAMP UNIT SIG SIG GND STEERING COLUMN MODULE CONTROL UNIT TL (+) TL (+) HECKD TL/PL/BL/TSI (+) TL/PL/BL/TSI (+) HECKR VIO WIRE VIO/BLU WIRE VIO/WHT WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN B L CAN B H COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT CUSHION LENGTH ADJUSTMENT MOTOR FRONT PASSENGER SEAT FORE/ AFT ADJUSTMENT MOTOR FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSENGER SEAT INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FUSE 211 FUSE 302 FUSE 304 FUSE 5 GRN WIRE GRN/VIO WIRE HOT AT ALL TIMES MOT GND/(+) MOT GND/(+) TEMP MULTIPLE FUSE 1 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PUMP SIG RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP SEATS SYSTEM SENS SENS GND SIG SIG GND STEERING COLUMN MODULE CONTROL UNIT TEMP VIO WIRE VIO/WHT WIRE VIO/YEL WIRE W/ CLIMATE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 302 FUSE 303 FUSE 304 HOT AT ALL TIMES LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT BACKREST SIDE BOLSTER HEATER PAD LEFT FRONT SEAT BACKREST SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS LEFT FRONT SEAT CUSHION SIDE BOLSTER HEATER PAD LEFT FRONT SEAT CUSHION SIDE BOLSTER HEATER PAD TEMPERATURE SENSOR MOT GND/(+) NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SIG GND TEMP VIO WIRE W/ CLIMATE CONTROL W/ SEAT HEATER W/ SEAT HEATER PLUS

ANALOG CLOCK BLK WIRE BLU WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT FRONT SAM CONTROL UNIT FUEL PRESSURE SENSOR FUEL PUMP CONTROL UNIT FUSE 200 FUSE 206 GRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/YEL WIRE GRY/BLU WIRE HAZARD LIGHT COC HAZARD SIG HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR LIN 1 LIN 1 COC NCA WIRE ORG/ WIRE OUTSIDE TEMPERATURE SENSOR RED WIRE RED/YEL WIRE RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG SIG (1) SIG (2) SIG 3 SIG 4 SIG GND VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

BRN WIRE BRN/RED WIRE BRN/YEL WIRE BSM (+) SENS 1 CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EC (+) EC GND FLEX-E BM FLEX-E BP FOLD OUT/IN FUSE 203 FUSE 211 FUSE 302 GRN WIRE HEAT (+) BSM GND HEAT GND HOT AT ALL TIMES ILLU (+) FOLD IN/OUT LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH MOT GND/(+) MOT LR (+)/GND MOT UD (+)/GND NCA WIRE OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD-IN/FOLD-OUT SWITCH PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH SENS SENS 2 SENS GND SIG GND STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) VIO WIRE W/ CLIMATE CONTROL YEL/GRN WIRE

ANTI-THEFT SYSTEM BLK WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 316 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES IL (+) IL (+) SIG RL INSIDE REAR VIEW MIRROR NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/WHT WIRE RL (+) SIG SIG GND SIG RL VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE CAN H H CAN H L COMPUTER DATA LINES SYSTEM CRASH DRIVER BELT FORCE LIMITER DRIVER ETR (GUS) SQUIB DRIVER SEAT SIDE PRE-SAFE PULSE SQUIB FRONT PASSENGER BELT FORCE LIMITER FRONT PASSENGER SEAT SIDE PRE-SAFE PULSE SQUIB FRONT PASSENGER SIDE BAG SQUIB GRN WIRE GRY WIRE GRY/YEL WIRE LEFT SIDE BAG SENSOR ME-SFI (ME) CONTROL UNIT NCA WIRE PNK/BLK WIRE PNK/YEL WIRE PYROFUSE (RIGHT SIDE OF DASH) RED/YEL WIRE RIGHT ACTIVE ENGINE HOOD SQUIB SIG SIG (+) SIG GND SIG GND SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE VIO/YEL WIRE

BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER BELT ANCHOR FITTING TENSIONER SQUIB DRIVER SEAT POSITION DETECTION SWITCH FRONT PASSENGER SEAT BELT BUCKLE SWITCH FRONT PASSENGER SEAT POSITION DETECTION SWITCH FUSE 312 GRN WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT ACTIVE ENGINE HOOD SQUIB LEFT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR NCA WIRE ORG/GRN WIRE ORG/VIO WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/BLU WIRE RED/GRY WIRE RIGHT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR RIGHT FRONT DOOR PRESSURE SENSOR RIGHT REAR EMERGENCY TENSIONING RETRACTOR SQUIB RIGHT REAR SIDE BAG SQUIB SIG SIG GND SIG SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE YEL WIRE