Mercedes-Benz C-class W205/S205/C205/A205 facelift (2018-2021) brn Wiring diagrams

BATTERY DISCONNECT BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CENTRAL LOCKING MOTOR COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DCS DRIVER SIDE ENGINE HOOD CONTACT SWITCH DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON ELECTRONIC IGNITION SWITCH CONTROL UNIT FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 406 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT W/ LEFT FRONT DOOR AMBIANCE ILLUMINATION LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR HANDLE AMBIANCE ILLUMINATION LEFT FRONT DOOR HANDLE ILLUMINATION LEFT FRONT DOOR LOCK LEFT FRONT DOOR STOWAGE COMPARTMENT ILLUMINATION MOT GND/(+) MOT GND/(+) 31 ORG/ WIRE PASSENGER SIDE ENGINE HOOD CONTACT SWITCH REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE ROTARY TUMBLER SWITCH SEDAN SEPARATE TRUNK LID LOCK SWITCH SIG SIG (+) COC SWITCH RELAY ENERGIZED TRUNK LID RELEASE BUTTON W/ INTERIOR LIGHTS PACKAGE W/O REMOTE TRUNK CLOSING YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L CENTRAL LOCKING MOTOR COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE FUSE 408 GRN WIRE GRY WIRE HOT AT ALL TIMES MOT GND (+) GND MOT GND/(+) ORG/ WIRE PNK/BLU WIRE PNK/VIO WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR AMBIANCE ILLUMINATION RIGHT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT DOOR EXIT LAMP RIGHT FRONT DOOR EXIT, WARNING LAMP RIGHT FRONT DOOR EXTERIOR DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR HANDLE AMBIANCE ILLUMINATION RIGHT FRONT DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR STOWAGE COMPARTMENT ILLUMINATION RIGHT FRONT DOOR WARNING LAMP RIGHT REAR DOOR AMBIANCE ILLUMINATION RIGHT REAR DOOR CONTROL UNIT RIGHT REAR DOOR DOOR HANDLE ILLUMINATION RIGHT REAR DOOR EXIT, WARNING LAMP RIGHT REAR DOOR EXTERIOR DOOR HANDLE ILLUMINATION RIGHT REAR DOOR HANDLE AMBIANCE ILLUMINATION RIGHT REAR DOOR LOCK ROTARY TUMBLER SWITCH SEDAN SIG SIG GND VIO WIRE W/ INTERIOR LIGHTS PACKAGE YEL WIRE

BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY 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 COUPE DRIVER-SIDE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 200 FUSE 312 GRN WIRE GRY/BLU WIRE GRY/RED WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED IL (+) ILL ILL+ GND LEFT FRONT FOOTWELL AMBIANCE ILLUMINATION LEFT FRONT FOOTWELL LAMP LEFT REAR DOME LAMP LIN LL (+) OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE R/L GND REAR DOME LAMP RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RIGHT FRONT FOOTWELL AMBIANCE ILLUMINATION RIGHT FRONT FOOTWELL LAMP RIGHT REAR DOME LAMP SEDAN SENS (+) SIG 3 SENS COC SIG SIG (1) SIG (2) VIO WIRE W/O AMBIANCE ILLUMINATION WHT WIRE YEL WIRE

BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 213 FUSE 302 FUSE 303 FUSE 406 FUSE 408 FUSE 477 GLOVE BOX LAMP) GLOVE BOX LAMP/ SWITCH GRN WIRE GRY/BLK WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT ILLUMINATED DOOR SILL MOLDING LEFT REAR ILLUMINATED DOOR SILL MOLDING PASSENGER-SIDE A-PILLAR FUSE BOX PERFUME ATOMIZER GENERATOR REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RIGHT FRONT DOOR EXTERIOR DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR HANDLE ILLUMINATION RIGHT LUGGAGE COMPARTMENT LAMP RIGHT REAR ILLUMINATED DOOR SILL MOLDING SIG (+) HECKL SIG GND SIG HECKR W/ AIR BALANCE PACKAGE W/ INTERIOR LIGHTS PACKAGE W/O AIR BALANCE PACKAGE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE GRN WIRE LEFT FRONT DOOR AMBIANCE ILLUMINATION LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR EXIT LAMP LEFT FRONT DOOR EXIT, WARNING LAMP LEFT FRONT DOOR EXTERIOR DOOR HANDLE ILLUMINATION LEFT FRONT DOOR HANDLE AMBIANCE ILLUMINATION LEFT FRONT DOOR HANDLE ILLUMINATION LEFT FRONT DOOR LOCK LEFT FRONT DOOR ROTARY TUMBLER SWITCH LEFT FRONT DOOR STOWAGE COMPARTMENT ILLUMINATION LEFT FRONT DOOR WARNING LAMP RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR AMBIANCE ILLUMINATION RIGHT FRONT DOOR EXIT LAMP RIGHT FRONT DOOR EXIT, WARNING LAMP RIGHT FRONT DOOR HANDLE AMBIANCE ILLUMINATION RIGHT FRONT DOOR LOCK RIGHT FRONT DOOR ROTARY TUMBLER SWITCH RIGHT FRONT DOOR STOWAGE COMPARTMENT ILLUMINATION RIGHT FRONT DOOR WARNING LAMP SEDAN SIG SIG SIG W/ INTERIOR LIGHTS PACKAGE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L CAN PER H CAN PER L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT SAM CONTROL UNIT FUSE 110 FUSE 121 FUSE 126 FUSE 200 FUSE 3 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT LAMP UNIT LEFT FRONT LEVEL SENSOR LEFT REAR LEVEL SENSOR MULTI FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SENS SIG SIG (1) SIG (2) SIG 3 SIG 4 VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE DTRL ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT SAM CONTROL UNIT FUSE 126 FUSE 200 FUSE 3 GRN WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HB (+) HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LB (+) LEFT FRONT LAMP UNIT MULTI FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/WHT WIRE RIGHT FRONT LAMP UNIT SENS SIG (1) SIG (2) SIG 3 SIG 4 SML TSI-L (+) VIO WIRE VIO/WHT WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/BRN WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L CAN PER H CAN PER L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT SAM CONTROL UNIT FUSE 110 FUSE 111 FUSE 126 FUSE 200 FUSE 3 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT LAMP UNIT LEFT REAR LEVEL SENSOR MULTI FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SENS SIG SIG (1) SIG (2) SIG 3 SIG 4 VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU/BRN 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 ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FUSE 126 FUSE 477 GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE HEAT (+) HEAT GND HECKD HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED ILL ILLU LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT REAR DOME LAMP LEFT REAR VANITY MIRROR UNIT NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PNK WIRE PNK/RED WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RIGHT REAR DOME LAMP RIGHT REAR VANITY MIRROR UNIT SEDAN SENS SENS (+) SIG 3 SIG SIG (1) SIG (2) TRUNK LID RELEASE BUTTON TRUNK LID/ LIFTGATE CONTROL BUTTON VIO WIRE W/ MAKE-UP MIRROR IN REAR PASSENGER COMPARTMENT

AM AMPLIFIER (FRONT LEFT SIDE OF LUGGAGE COMPT) AM AMPLIFIER W/ SELECTION SWITCH BLK WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L CENTER CONSOLE KEYLESS GO ANTENNA COMPUTER DATA LINES SYSTEM DRIVER DOOR KEYLESS-GO DOOR HANDLE ELECTRONIC IGNITION SWITCH CONTROL UNIT (AT IGNITION SWITCH) FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FM AM FRONT PASSENGER DOOR KEYLESS-GO DOOR HANDLE FUSE 319 FUSE 320 FUSE 469 GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/YEL WIRE HEAD UNIT (CENTER OF DASH) HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER KAPA KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR KEYLESS GO ANTENNA LEFT REAR DOOR KEYLESS GO ANTENNA LEFT REAR KEYLESS GO DOOR HANDLE LEFT REAR SIDE TRIM ANTENNA LF 1 LF 2 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLU WIRE PNK/GRY WIRE REAR FUSE, RELAY MODULE REAR SWITCHING MODULE REAR SWITCHING MODULE LOWER SENSOR REAR SWITCHING MODULE UPPER SENSOR REAR WINDOW ANTENNA RED WIRE RIGHT FRONT DOOR KEYLESS GO ANTENNA RIGHT REAR DOOR KEYLESS GO ANTENNA RIGHT REAR KEYLESS GO DOOR HANDLE SEDAN SEDAN COUPE, CONVERTIBLE SEDAN, COUPE SHD SIG SOFT TOP AM ANTENNA TRUNK KEYLESS GO ANTENNA VIO WIRE WAKEUP WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE