Mercedes-Benz S-class W222/C217/A217 facelift (2017-2020) blu/red Wiring diagrams

A(+)REL R A(-)REL R AIRMATIC COMPRESSOR AIRMATIC CONTROL UNIT AIRMATIC PRESSURE REDUCTION VALVE AIRMATIC RELAY BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE COMPRESSOR) DK ABLV(-) ENGINE COMPT PREFUSE BOX ENGINE FUSE, RELAY MODULE FUSE 114 FUSE 12 FUSE 132 FV ZSP(-) GRN/GRY WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT AXLE DAMPING VALVE UNIT LEFT REAR AXLE DAMPING VALVE UNIT N/A NCA WIRE RED WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT REAR AXLE DAMPING VALVE UNIT SIG VIO/BLK WIRE WHT WIRE WHT/BLU WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

AUDIO/COMAND DISPLAY BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FM/AM FUSE 202 FUSE 208 FUSE 317 GRN WIRE GRY WIRE GRY/GRN WIRE HEAD UNIT HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FOOTWELL WOOFER LEFT FRONT DOOR MIDRANGE SPEAKER LEFT FRONT DOOR TWEETER LEFT REAR DOOR MIDRANGE SPEAKER LEFT REAR DOOR TWEETER MOST DATA BUS CIRCUIT MOST IN MOST OUT NCA WIRE ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/GRN WIRE RED/WHT WIRE SHIELD SHIELD HSVL-OUT SIG SOUND SYSTEMS USB D- W/ LIVE TRAFFIC INFORMATION W/O SOUND SYSTEM WAKE-UP WHT/YEL WIRE

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE, SEDAN CONVERTIBLE W/ TOP PROTECTION DOME LAMP BUTTON FRONT DOME LAMP FRONT DOME LAMP BUTTON FUSE 316 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT ILLUMINATION CIRCUIT INTERIOR LAMP INTERIOR LAMP AUTOMATIC FUNCTION BUTTON LEFT CENTER HEADLINER MIDRANGE SPEAKER AMBIANCE ILLUMINATION LEFT FRONT READING LAMP BUTTON LEFT REAR DOME LAMP NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK/GRN WIRE READING LAMP READING LAMP BUTTON REAR DOME LAMP BUTTON REAR LIGHT RING AMBIANCE ILLUMINATION RED WIRE RED/WHT WIRE RGB-LIN RIGHT CENTER HEADLINER MIDRANGE SPEAKER AMBIANCE ILLUMINATION RIGHT FRONT READING LAMP BUTTON SIG VIO WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT BELT COMFORT-FIT FUNCTION SOLENOID DRIVER SEAT CONTROL UNIT DRIVER SEAT CUSHION LENGTH ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR 1, 2 DRIVER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT HEAD RESTRAINT INCLINATION MOTOR, HALL SENSOR DRIVER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR DRIVER-SIDE FUSE, RELAY MODULE FORE/AFT ADJUSTMENT SWITCH HEIGHT ADJUSTMENT SWITCH BACKREST ADJUSTMENT SWITCH FUSE 203 FUSE 303 GND HS GRN WIRE GRN/VIO WIRE GRY/RED WIRE GTK BF HALL SENSOR 1 HALL SENSOR 2 HEAD RESTRAINT ADJUSTMENT SWITCH HOT AT ALL TIMES INCLINATION ADJUSTMENT SWITCH LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT/RIGHT SEAT SETTING SWITCH MEMORY FUNCTION SWITCH MEMORY 1 SWITCH M+ (-) MEMORY 2 SWITCH MEMORY 3 SWITCH ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEDAN STEERING COLUMN MEMORY CIRCUIT UB (+) VIO WIRE W/ EASY ADJUST LUXURY HEAD RESTRAINT WHT WIRE WHT/BLK WIRE YEL WIRE

BACKREST ADJUSTMENT SWITCH BLK/YEL WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/PNK WIRE CAN B H CAN B L CENTER REAR SEAT HEAD RESTRAINT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR COMPUTER DATA LINES SYSTEM FUSE 406 GRN WIRE GRN/BLU WIRE HEAD RESTRAINT ADJUSTMENT SWITCH HK SF FR HOT AT ALL TIMES HS SIG INCLINATION ADJUSTMENT SWITCH LEG REST SWITCH M+ (-) MEMORY 1 SWITCH MEMORY 2 SWITCH MEMORY 3 SWITCH MEMORY FUNCTION SWITCH NCA WIRE ORG/GRN WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/YEL WIRE REAR FUSE, RELAY MODULE REAR SEAT CENTER HEAD RESTRAINT HEIGHT ADJUSTMENT SWITCH RED WIRE RED/VIO WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT ADJUSTMENT SWITCH GROUP RIGHT REAR SEAT CONTROL UNIT RIGHT REAR SEAT CUSHION INCLINATION ADJUSTMENT MOTOR, HALL SENSOR RIGHT REAR SEAT HEATER CONTROL UNIT RIGHT REAR SEAT LEG REST FORE/ AFT ADJUSTMENT MOTOR, HALL SENSOR RIGHT REAR SEAT LEG REST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR SB SK FR SEAT ADJUSTMENT SWITCH SEATS SYSTEM UB (+) VIO WIRE WHT WIRE WHT/BRN WIRE WHT/RED WIRE

ALARM SIREN AMBIENT LAMP ATA (EDW)/TOWING SENSOR/INTERIOR MOTION SENSOR CONTROL UNIT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT DOME LAMP FRONT DOME LAMP BUTTON FUSE 316 FUSE 318 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR DIMMING INTERIOR LAMP AUTOMATIC FUNCTION BUTTON INTERIOR PROTECTION SWITCH INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT READING LAMP BUTTON LEFT READING LAMP MAGIC SKY CONTROL ROOF SWITCH MERCEDES ME CONNECT BUTTON NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLU WIRE PNK/GRN WIRE REAR DOME LAMP BUTTON REAR ROLLER SUN BLIND SWITCH REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/WHT WIRE RGB-LIN RIGHT FRONT READING LAMP BUTTON RIGHT READING LAMP ROOF SWITCH SIG TOWING SENSOR BUTTON VIO WIRE W/ EMERGENCY CALL SYSTEM W/ PANORAMIC SLIDING SUNROOF WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FOOTREST ADJUSTMENT ACTUATOR MOTOR, HALL SENSOR FRONT PASSENGER BACKREST SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER HEAD RESTRAINT INCLINATION MICROSWITCH FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT HEAD RESTRAINT (INSERTED) MICROSWITCH FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT HEAD RESTRAINT INCLINATION MOTOR, HALL SENSOR FUSE 304 GRN WIRE GRN/RED WIRE GRY/RED WIRE GTK BF HK SL VL HOT AT ALL TIMES INCLINATION MICROSWITCH LES LNS M+ (-) MS KS BF NCA WIRE ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELEASE MICROSWITCH SCREEN ADJUSTMENT ACTUATOR MOTOR, HALL SENSOR SEATS SYSTEM SEDAN VIO WIRE W/ REAR COMPARTMENT ENTERTAINMENT WHT WIRE YEL WIRE YEL/BLK WIRE

BLK/RED WIRE BLK/WHT WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BP PNK FLEX-E BM WIRE FUSE 203 FUSE 205 FUSE 303 GND HS GRN WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP M+ (-) MEMORY 2 SWITCH MEMORY 3 SWITCH MEMORY FUNCTION SWITCH MEMORY 1 SWITCH PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/WHT WIRE SEDAN STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN ASSEMBLY STEERING COLUMN IN/OUT ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR, HALL SENSOR STEERING WHEEL HEATER INDICATOR LAMP UB (+) VIO WIRE W/O STEERING WHEEL HEATER WHT WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/PNK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE CAN H H CAN H L COMPUTER DATA LINES SYSTEM CRASH ANALOG DRIVER BELT FORCE LIMITER DRIVER ETR (GUS) SQUIB DRIVER SIDEBAG SQUIB FRONT PASSENGER BELT FORCE LIMITER FRONT PASSENGER SIDEBAG SQUIB GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INERTING SYSTEM SQUIB LEFT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR LEFT REAR BELTBAG SQUIB LEFT SIDEBAG SENSOR ME-SFI (ME) CONTROL UNIT N/A PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PNK/YEL WIRE PYFESE(+) PYFSE (-) PYRO- FUSE PYROTECHNICAL SEPARATOR RED/PNK WIRE RIGHT ACTIVE ENGINE HOOD SQUIB RIGHT FRONT DOOR PRESSURE SENSOR RIGHT REAR BELTBAG SQUIB RIGHT REAR SIDEBAG SQUIB SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VEHICLE INTERIOR PREFUSE BOX VIO WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE W/ BELTBAG FOR OUTER REAR SEATS 4.0L TURBO 3.0L TURBO WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/PNK WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU/PNK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COUPE, SEDAN DRIVER'S SEAT PRE-SAFE PULSE SQUIB FRONT PASSENGER ETR (GUS) SQUIB FRONT PASSENGER SEAT OCCUPIED RECOGNITION FRONT PASSENGER SEAT OCCUPIED RECOGNITION, ACSR FRONT PASSENGER SEAT PRE-SAFE PULSE SQUIB GRN/BLU WIRE GRY WIRE HERMES CONTROL UNIT LEFT HEADBAG SQUIB LEFT REAR EMERGENCY TENSIONING RETRACTOR SQUIB LEFT REAR SIDEBAG SQUIB LEFT WINDOWBAG SQUIB NCA WIRE PNK/BLK WIRE PNK/GRN WIRE SEDAN VIO/GRY WIRE W/ FRONT PASSENGER SEAT, WEIGHT DETECTION W/ MEMORY, AUTOMATIC CHILD SEAT RECOGNITION (ACSR (AKSE)) W/O MEMORY WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT/BLK WIRE WHT/PNK WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE