Mercedes-Benz S-class W222/C217/A217 facelift (2017-2020) rear control unit Wiring diagrams

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BS AIRCAP PNK SIG WIRE BS FH Z H BS FH Z T BS VD OFN BS VD SCHL CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRAFT STOP ACTUATOR MOTOR ES WSCH O ES WSCH U FRONT SOFT TOP LOCK MOTOR FUSE 301 GRN WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HB O L HB U L HB U R HOT AT ALL TIMES L U LEFT SOFT TOP COMPARTMENT LID LOCKED LIMIT SWITCH LEFT SOFT TOP COMPARTMENT LID UP LIMIT SWITCH LEFT SOFT TOP LOCKED LIMIT SWITCH MV 1 MV 2 MV 3 MV 4 NCA WIRE P LL P RL PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/WHT WIRE REAR CONTROL UNIT RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT SOFT TOP BOW LOCKED DOWN LIMIT SWITCH RIGHT SOFT TOP COMPARTMENT LID LOCKED LIMIT SWITCH RIGHT SOFT TOP LOCKED LIMIT SWITCH V A L V OFN+ V SCHLSN+ V VR L V VR L PNK V OFN R WIRE V VR R V Z L VDKD O L VDKD Z L PNK VDKD VR R WIRE VIO WIRE VIO/WHT WIRE WABW OFN+ WABW SCH+ WIND DEFLECTOR ACTUATOR MOTOR WSCH H+ WSCH T+ YEL WIRE YEL/WHT WIRE

AMBIANCE ILLUMINATION CONTROL UNIT (IF EQUIPPED) (LEFT REAR DOOR SILL) BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L CAN PER H CAN PER L CAN-B H AAG COUPE CONVERTIBLE DRIVETRAIN CONTROL UNIT (GLOVE COMPT) FLEX-E BM FLEX-E BP GRN WIRE GRN/WHT WIRE MAGIC SKY CONTROL UNIT (IF EQUIPPED) MAGIC SKY CONTROL UNIT (IF EQUIPPED) (LEFT REAR OF ROOF) PANORAMIC ROOF ROLLER SUN BLIND CONTROL MODULE PANORAMIC SLIDING ROOF CONTROL MODULE PNK WIRE REAR CONTROL UNIT REAR SAM CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT RIGHT REAR DOOR CONTROL UNIT RIGHT REAR MULTICONTOUR SEAT CONTROL UNIT RIGHT REAR SEAT CONTROL UNIT SEDAN TRAILER RECOGNITION CONTROL UNIT VIO WIRE W/ MAGIC SKY CONTROL W/O MAGIC SKY CONTROL W/ MAGIC SKY CONTROL WHT WIRE

BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE COUPE CONVERTIBLE FRONT PASSENGER SIDE POWER WINDOW SWITCH FUSE 301 FUSE 302 FUSE 476 GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR POWER WINDOW SWITCH PASSENGER-SIDE A-PILLAR FUSE BOX REAR CONTROL UNIT REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT (BEHIND RIGHT REAR SEAT) RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH RIGHT FRONT DOOR CONTROL UNIT SEDAN TRUNK LID EMERGENCY OPENING SWITCH TRUNK PARTITION SWITCH WHT WIRE

AMBIANCE ILLUMINATION CONTROL UNIT BLK/RED WIRE BRN WIRE BRN/BLU WIRE CIGARETTE LIGHTER W/ REAR CENTER CONSOLE ILLUMINATION COUPE CONVERTIBLE COUPE CONVERTIBLE, SEDAN FROM REAR PREFUSE BOX (DIAGRAM 5 OF 7) FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT SAM CONTROL UNIT FUEL PUMP CONTROL UNIT FUSE 403 FUSE 404 FUSE 405 FUSE 406 FUSE 407 FUSE 408 FUSE 411 FUSE 417 FUSE 455 FUSE 456 FUSE 457 FUSE 458 FUSE 459 FUSE 466 GRY/BLU WIRE HEATED REAR WINDOW RELAY HEATING ELEMENT ILLUMINATION LUGGAGE COMPARTMENT SOCKET MULTICONTOUR SEAT PNEUMATIC PUMP N/A NCA WIRE PNK/RED WIRE REAR BACKREST REFRIGERATOR BOX REAR CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION REAR CONTROL UNIT REAR CUP HOLDER REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/WHT WIRE RESERVE FUSE 410 RESERVE FUSE 460 RESERVE FUSE 465 RIGHT REAR DOOR CONTROL UNIT SEDAN SUBWOOFER AMPLIFIER TO DC/AC CONVERTER CONTROL UNIT (DIAGRAM 1 OF 7) TO FUSE 477 (DIAGRAM 4 OF 7) VEHICLE INTERIOR TERMINAL 15 RELAY YEL WIRE

ALARM SIREN ALL-WHEEL DRIVE CONTROL UNIT CONTROL UNIT) COUPE CONVERTIBLE DIAGNOSTIC CONNECTOR DRIVER SEAT CONTROL UNIT DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP DRIVETRAIN CONTROL UNIT FM, AM, CL, DAB, KEYLESS-GO ANTENNA AMPLIFIER FROM REAR PREFUSE BOX (DIAGRAM 5 OF 7) FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 7) FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT HEATER CONTROL UNIT FUSE 1 FUSE 2 FUSE 3 FUSE 301 FUSE 302 FUSE 303 FUSE 304 FUSE 305 FUSE 306 FUSE 307 FUSE 309 FUSE 310 FUSE 311 FUSE 312 FUSE 313 FUSE 314 FUSE 315 FUSE 316 FUSE 317 FUSE 318 FUSE 319 FUSE 320 FUSE 321 FUSE 322 FUSE 4 FUSE 5 FUSE 6 HEAD UNIT HEAD-UP DISPLAY INSTRUMENT CLUSTER KEYLESS-GO CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT REAR DOOR CONTROL UNIT ME-SFI (ME) CONTROL UNIT MONO MULTI-FUNCTION CAMERA, STEREO MULTI-FUNCTION CAMERA MULTIMEDIA CONNECTION UNIT MULTIPLE FUSE 1 MULTIPLE FUSE 2 MULTIPLE FUSE 3 N/A OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE PERFUME ATOMIZER GENERATOR RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR AIR CONDITIONING OPERATING UNIT REAR BLOWER MOTOR REAR CONTROL UNIT RED WIRE RED/WHT WIRE RESERVE FUSE 308 RESERVE FUSE 323 RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT MULTICONTOUR SEAT CONTROL UNIT RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR SEDAN SHORT, LONG-RANGE RADAR SENSOR STATIONARY HEATER UNIT SUPPLEMENTAL RESTRAINT SYSTEM TELEPHONE CONTROL UNIT TELEPHONE, STATIONARY HEATER, REMOTE PARK-PILOT ANTENNA CHANGEOVER SWITCH TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 5 OF 7) TOUCHPAD, AUDIO/COMAND CONTROL PANEL W/ REAR AIR CONDITIONING WHT WIRE

BEEP BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BS FH Z H BS FH Z T CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE FHL H FHL T FHR H FHR T FUSE 301 FUSE 406 FUSE 432 GRN WIRE GRN/BLU WIRE GRY/BLU WIRE HFS S WGB HFS V WGB HOT AT ALL TIMES ORG/ WIRE ORG/WHT WIRE P LL P RL PASSENGER-SIDE A-PILLAR FUSE BOX PASSIVE RESTRAINTS SYSTEM POWER TOPS SYSTEM POWER WINDOWS SYSTEM REAR CONTROL UNIT REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/WHT WIRE SEATS SYSTEM SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/WHT WIRE YEL WIRE YEL/WHT WIRE

AT HNS 1 AT HNS 2 BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/PNK WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BS AIRCAP BS VD OFN BS VD SCHL BT OPEN COUPE DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS POWER TOPS SYSTEM ES WSCH O ES WSCH U FUSE 445 GBR ASF L GBR ASF R GBR ENF L GBR ENF R GRN WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/WHT WIRE HB O L HB U L HB U R HDK Z HOT AT ALL TIMES KS A H L + KS A H R + KS A T L + KS A T R + L U MV 1 MV 2 MV 3 MV 4 PASSIVE RESTRAINTS SYSTEM PNK WIRE PNK/WHT WIRE POWER TOPS SYSTEM POWER WINDOWS SYSTEM REAR CONTROL UNIT REAR FUSE, RELAY MODULE RED WIRE RED/VIO WIRE RED/WHT WIRE RKRS OFN RKRS SCHL SEATS SYSTEM SIG TRK GSCH L TRK GSCH R TRUNK, TAILGATE, FUEL DOORS SYSTEM V A L V OFN R V OFN+ V SCHLSN+ V VR L V VR R V Z L VDKD O L VDKD VR R VDKD Z L VIO WIRE VIO/WHT WIRE WABW OFN+ WABW SCH+ WHT/GRN WIRE WSCH H+ WSCH T+ YEL WIRE YEL/WHT WIRE

BEHIND LEFT QUARTERPANEL) BLK/BLU WIRE BLK/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE ELECTRIC MOTOR FUSE 301 GBR ASF L GBR ASF R GBR ENF L GBR ENF R HALL SENSOR HOT AT ALL TIMES LEFT SEAT BELT EXTENDER PASSENGER-SIDE A-PILLAR FUSE BOX REAR CONTROL UNIT RED/WHT WIRE RIGHT SEAT BELT EXTENDER SIG