Mercedes-Benz S-class W222/C217/A217 facelift (2017-2020) can b l Wiring diagrams

ACTIVE BELT BUCKLE CONTROL UNIT BLU WIRE BLU/PNK WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 424 FUSE 432 FUSE 433 GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE HOT AT ALL TIMES ILL LEFT REAR SEAT ACTIVE BELT BUCKLE MOTOR NCA WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT REAR SEAT ACTIVE BELT BUCKLE MOTOR SHIELD SIG SIG LED 1-B WHT WIRE YEL WIRE

ALARM SIREN ATA (EDW)/TOWING SENSOR/ INTERIOR MOTION SENSOR CONTROL UNIT BRN WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 318 FUSE 6 HOT AT ALL TIMES LEFT FRONT DOOR INTERIOR PROTECTION SENSOR LEFT REAR INTERIOR PROTECTION SENSOR MULTIPLE FUSE 3 OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT DOOR INTERIOR PROTECTION SENSOR RIGHT REAR INTERIOR PROTECTION SENSOR

AUX SUPPLY BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM DIRECT SELECT LEVER DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC AUXILIARY OIL PUMP ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FLEX-E BP PNK FLEX-E BM WIRE FULLY INTEGRATED TRANSMISSION CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT (INSIDE BOTTOM OF TRANSMISSION) FUSE 211 FUSE 5 GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INTERNAL TRANSMISSION SPEED RPM SENSOR LUBRICATING PRESSURE SOLENOID NCA WIRE OUTPUT SHAFT RPM SENSOR PARK PAWL LIFT SOLENOID PARK PAWL POSITION SENSOR PRESSURE SENSOR RED WIRE SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON TORQUE CONVERTER LOCKUP CLUTCH SOLENOID TRANSMISSION OIL TEMPERATURE SENSOR TURBINE WHEEL RPM SENSOR WORKING PRESSURE SOLENOID YEL WIRE YEL/WHT WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COUPE COUPE, SEDAN FUSE 313 GRN WIRE GRN/RED WIRE GRN/VIO WIRE HOT AT ALL TIMES INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN MULTI-FUNCTION SENSOR ORG/BLK WIRE ORG/WHT WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX REAR SAM CONTROL UNIT REAR SUN SENSOR RED WIRE RED/VIO WIRE RED/WHT WIRE SEDAN SIG VIO/BRN WIRE YEL WIRE

3.0L TURBO 4.0L TURBO A T KWTHS ACTUATOR MOTOR ATR BLK/RED WIRE BLK/YEL WIRE BLU/BLK WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H COC CAN B L CAN C H CAN C L CAN HMI H CAN HMI L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH COOLANT TEMPERATURE SENSOR DRIVER-SIDE FUSE, RELAY MODULE DRIVETRAIN CONTROL UNIT E A TMOT ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM FAN MOTOR FRONT SAM CONTROL UNIT (LEFT KICK PANEL) FUSE 200 FUSE 4 FUSE 405 FUSE 458 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER KMSD ME-SFI (ME) CONTROL UNIT OUTSIDE TEMPERATURE SENSOR REAR BACKREST REFRIGERATOR BOX REAR CUP HOLDER (SEDAN) REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE ROW CUP HOLDER, POWER OUTLET RELAY ENERGIZED ROW/TRUNK REFRIGERATOR BOX, POWER OUTLET RELAY ENERGIZED SEDAN VIO/ORG WIRE WHT/BRN WIRE YEL WIRE YEL/WHT WIRE

BLK 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 SEAT HEATER CONTROL UNIT FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT HEATER CONTROL UNIT FUSE 306 FUSE 453 HEATER PAD TEMPERATURE SENSOR LEFT FRONT BACKREST HEATED CUSHION HEATER PAD TEMPERATURE SENSOR LEFT FRONT SEAT SITTING SURFACE HEATED CUSHION HEATER PAD TEMPERATURE SENSOR RIGHT FRONT BACKREST HEATED CUSHION HEATER PAD TEMPERATURE SENSOR RIGHT FRONT SEAT SITTING SURFACE HEATED CUSHION HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT HEATER SWITCH NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/YEL WIRE REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT HEATER SWITCH TS HK SF BF TS HK SF F TS HK SL BF TS HK SL F UB (+) VHK VIO WIRE WHT WIRE YEL WIRE YEL/BRN WIRE

1 OF 7) AUX BATTERY DISCONNECT SWITCH RELAY BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM CONTROL UNIT) COUPE, CONVERTIBLE SEDAN W/O ECO START/STOP W/ ECO START/STOP DECOUPLING RELAY ECO START/STOP FUNCTION ADDITIONAL BATTERY ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRONIC IGNITION SWITCH CONTROL UNIT FIRE EXTINGUISHING SYSTEM, EMERGENCY FRESH AIR SYSTEM FLEX-E BM FLEX-E BP FROM PASSENGER- FROM PYROTECHNICAL SEPARATOR (DIAGRAM FROM REAR FUSE, RELAY MODULE (DIAGRAM 4 OF 7) FRONT SAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE FUSE 1 FUSE 2 FUSE 3 FUSE 4 FUSE 41 FUSE 42 FUSE 45 FUSE 46 FUSE 47 FUSE 48 FUSE 49 FUSE 5 FUSE 54 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE KEYLESS GO START/STOP BUTTON KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT N/A OPERATING UNIT PAS (GAS), SPECIAL SIGNAL SYSTEM PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RESERVE FUSE 10 RESERVE FUSE 44 RESERVE FUSE 53 RESERVE FUSE 6 RESERVE FUSE 7 RESERVE FUSE 8 RESERVE FUSE 9 RIGHT FRONT POWER WINDOW HYDRAULIC PUMP RELAY SEDAN SIDE A-PILLAR FUSE BOX SIG SIG DF SPECIAL PROTECTION VEHICLES FUSE BOX SPECIAL SIGNAL SYSTEM SUPPLY TEMPERATURE SENSOR TO PASSENGER-SIDE A-PILLAR FUSE BOX (DIAGRAM 6 OF 7) TO REAR FUSE, RELAY MODULE (DIAGRAM 3 OF 7) TO VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 7) UPPER RIGHT ENGINE COMPARTMENT FIRE EXTINGUISHING SYSTEM VIO/YEL WIRE W/ TOP PROTECTION WAKEUP WINDSHIELD HEATER CONTROL UNIT YEL WIRE YEL/WHT WIRE

BLK/GRN WIRE BLU/PNK WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B H CAN B L CENTER REAR PASSENGER COMPARTMENT HEAD RESTRAINT RELEASE ACTUATOR COMPUTER DATA LINES SYSTEM COUPE COUPE CONVERTIBLE FUSE 301 FUSE 477 GRN/BRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/VIO WIRE HOT AT ALL TIMES KS A H L + KS A H R + KS A T L + KS A T R + LEFT REAR PASSENGER COMPARTMENT HEAD RESTRAINT RELEASE ACTUATOR LEFT REAR SEAT HEAD RESTRAINT HEIGHT ADJUSTMENT HALL SENSOR PASSENGER-SIDE A-PILLAR FUSE BOX REAR CONTROL UNIT (LEFT FRONT OF LUGGAGE COMPT) REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT (BEHIND RIGHT REAR SEAT) RED/BRN WIRE RED/WHT WIRE RIGHT REAR PASSENGER COMPARTMENT HEAD RESTRAINT RELEASE ACTUATOR RIGHT REAR SEAT HEAD RESTRAINT HEIGHT ADJUSTMENT HALL SENSOR SEDAN SIG

AIR CONDITIONING SYSTEM BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CLIMATE CONTROL OPERATING UNIT CLIMATE CONTROL UNIT COMBUSTION AIR BLOWER COMPUTER DATA LINES SYSTEM COUPE DRIVER-SIDE FUSE, RELAY MODULE DSRPMP FUSE 209 FUSE 314 FUSE 6 GLOW PLUG/ FLAME MONITOR UNIT GRN/VIO WIRE HEATER CONTROL UNIT HOT AT ALL TIMES MULTI-FUNCTION ANTENNA MULTIPLE FUSE 3 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR AIR CONDITIONING OPERATING UNIT REAR BLOWER MOTOR RED/VIO WIRE RED/WHT WIRE REMOTE PARK-PILOT/ STATIONARY HEATER ANTENNA SPLITTER SEDAN SHIELD SIG STATIONARY HEATER BUTTON STATIONARY HEATER FUEL PUMP STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER UNIT TELEPHONE, STATIONARY HEATER, REMOTE PARK-PILOT ANTENNA CHANGEOVER SWITCH TEMPERATURE SENSOR THERMAL FUSE UMSCHVNT VIO WIRE W/ REAR AIR CONDITIONING W/ REMOTE PARK-PILOT W/ MULTI-FUNCTION TELEPHONY W/ TOP PROTECTION WHT WIRE

BLK/RED WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/PNK WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN-B H AAG CENTER REAR SEAT BELT BUCKLE SWITCH COMPUTER DATA LINES SYSTEM FUSE 312 FUSE 477 GRN/GRY WIRE GRN/RED WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT ACTIVE ENGINE HOOD SQUIB LEFT REAR SEAT BELT BUCKLE SWITCH PASSENGER-SIDE A-PILLAR FUSE BOX PNK/RED WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/VIO WIRE RED/WHT WIRE RIGHT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR RIGHT FRONTAL ACCELERATION SENSOR RIGHT REAR DOOR PRESSURE SENSOR RIGHT REAR EMERGENCY TENSIONING RETRACTOR SQUIB RIGHT REAR SEAT BELT BUCKLE SWITCH RIGHT SIDEBAG SENSOR SEDAN SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (NEAR SHIFT LEVER) VIO/GRN WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE