Mercedes-Benz GLC-class Coupe C253 (2016-2019) left fuse, relay module Wiring diagrams

A/C BUTTON A/C, RESIDUAL HEAT ON/OFF BUTTON AIR DISTRIBUTION BUTTON AIR RECIRCULATION MODE BUTTON BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L CHARGE AIR TEMPERATURE SENSOR DOWNSTREAM OF THROTTLE VALVE CHARGE AIR TEMPERATURE SENSOR UPSTREAM OF THROTTLE VALVE CLIMATE CONTROL MENU BUTTON CLIMATE CONTROL MENU, RESIDUAL HEAT ON/OFF BUTTON CLIMATE CONTROL OPERATING UNIT (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH COOLANT TEMPERATURE GAUGE COOLANT TEMPERATURE SENSOR COOLANT TEMPERATURE WARNING LAMP COOLANT THERMOSTAT HEATING ELEMENT DEFROSTING BUTTON DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE FAN MOTOR (BEHIND RADIATOR) FRONT AUTO BUTTON FRONT BLOWER BUTTON FRONT SAM CONTROL UNIT FUSE 101 FUSE 120 FUSE 209 FUSE 315 FUSE 326 FUSE 7 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ HOT W/ CPC RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT AIR DISTRIBUTION BUTTON LEFT FUSE, RELAY MODULE LEFT TEMPERATURE SELECTION BUTTON ME-SFI (ME) CONTROL UNIT OUTSIDE TEMPERATURE SENSOR OVERHEAD CONTROL PANEL CONTROL UNIT POWER DISTRIBUTION SYSTEM PURGE CONTROL VALVE PWR-1 RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RBA-1 REAR WINDOW HEATER BUTTON RED WIRE RED/GRN WIRE RED/WHT WIRE REFRIGERANT COMPRESSOR MAGNETIC CLUTCH REFRIGERANT COMPRESSOR REGULATION VALVE REFRIGERANT COMPRESSOR W/ MAGNETIC CLUTCH REG 30 RELAY ENERGIZED RIGHT A-PILLAR FUSE BOX RIGHT AIR DISTRIBUTION BUTTON RIGHT TEMPERATURE SELECTION BUTTON SIG STATIONARY HEATER BUTTON SYNC BUTTON VIO/YEL WIRE YEL WIRE YEL/WHT WIRE

BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L CAN B L RBA-1 CAN C H CAN C L CAN HMI H CAN HMI L CLIMATE CONTROL CONTROL UNIT COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COOLANT LEVEL SWITCH COOLANT TEMPERATURE GAUGE COOLANT TEMPERATURE SENSOR COOLANT TEMPERATURE WARNING LAMP COOLANT THERMOSTAT HEATING ELEMENT DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE FAN MOTOR (BEHIND RADIATOR) FRONT SAM CONTROL UNIT FUSE 101 FUSE 120 FUSE 207 FUSE 315 FUSE 7 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ HOT W/ CPC RELAY ENERGIZED INSTRUMENT CLUSTER INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FUSE, RELAY MODULE ME-SFI (ME) CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT PURGE CONTROL VALVE PWR-1 RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE REG RELAY ENERGIZED RIGHT A-PILLAR FUSE BOX SIG SIG GND TMOT WAPU+ WHT/BLU WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/YEL WIRE FRONT CENTER CONSOLE CUP HOLDER AMBIANCE ILLUMINATION FUSE 216 GLOVE BOX LAMP SWITCH (RIGHT SIDE OF GLOVE BOX) GLOVE BOX LAMP) GRY/RED WIRE HOT W/ CIRCUIT LEFT FRONT FOOTWELL LAMP LEFT FRONT MIRROR LAMP SWITCH LEFT FUSE, RELAY MODULE LEFT REAR FOOTWELL LAMP LEFT SUN VISOR MIRROR LAMP PERFUME ATOMIZER GENERATOR (W/ AIR BALANCE PACKAGE) (IN GLOVE COMPT) RED/BLK WIRE RED/WHT WIRE RIGHT FRONT FOOTWELL LAMP RIGHT FRONT MIRROR LAMP SWITCH RIGHT REAR FOOTWELL LAMP RIGHT SUN VISOR MIRROR LAMP SIG W/ AIR BALANCE PACKAGE W/O AIR BALANCE PACKAGE WHT WIRE YEL WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BRN WIRE BMSL RBA-1 BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN B L RBA-1 CENTER STOP LAMP COC COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DIAG FLEX RAY 1 BM FLEX RAY 1 BP FRA HL FRA HR FUSE 200 FUSE 210 FUSE 465 GRN WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LDS SGN 1 LDS SGN 2 LDS SGN 3 LEFT FUSE, RELAY MODULE LEFT REAR LAMP UNIT NSL PNK WIRE PWR-1 PWR-2 RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RBA-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR LAMP UNIT SL HD SML SML HL SML HR STEERING COLUMN MODULE CONTROL UNIT TURN SIGNAL LAMPS SWITCH VIO WIRE W/ ACTIVE LANE KEEPING ASSIST YEL WIRE YEL/WHT WIRE

AUDIO/COMAND CONTROL PANEL BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN A H CAN A L CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM EL VL ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT EXTERIOR LIGHTS SWITCH FUSE 208 FUSE 209 FUSE 326 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/VIO WIRE GRY/BLU WIRE HAZARD WARNING SYSTEM BUTTON HEADLAMP RANGE CONTROLLER HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FUSE, RELAY MODULE LEFT LICENSE PLATE LAMP LEFT TURN SIGNAL IND LAMP LIN LIN 1 MIRRORS SYSTEM PAS GND PNK WIRE POWER DISTRIBUTION SYSTEM REAR FOG LAMP BUTTON RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) RIGHT LICENSE PLATE LAMP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP RIGHT TURN SIGNAL IND LAMP SIG STANDING LAMPS IND LAMP STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) UPPER CONTROL PANEL CONTROL UNIT VAC PUMP L VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLS SUP VAC PUMP 2 BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN B L RBA-1 CAN H H CAN H L CAN HMI H CAN HMI L COC COMBINATION SWITCH COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM EL VL ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FLASHER/ HIGH BEAM SWITCH FLEXRAY 1 BM FLEXRAY 1 BP FRONT SAM CONTROL UNIT FUSE 128 FUSE 200 FUSE 208 FUSE 210 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLAMP HEADLAMP RANGE CONTROLLER HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LDS SGN 1 LDS SGN 2 LDS SGN 3 PNK WIRE LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FRONT LAMP UNIT LEFT FUSE, RELAY MODULE LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR AMBIENT LAMP LEFT OUTSIDE MIRROR TURN SIGNAL LAMP LEFT TURN SIGNAL IND LAMP MIRRORS SYSTEM PNK WIRE PNK/RED WIRE PWR-1 REAR FOG LAMP BUTTON RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT TURN SIGNAL IND LAMP SIDE MARKER LAMP SIG SIG PAS GND BLS GND SML STANDING LAMPS IND LAMP STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH SYSTEM TURN SIGNAL LAMP TURN SIGNAL LAMPS SWITCH VIO WIRE VIO/WHT WIRE YEL WIRE YEL/WHT WIRE

AUDIO/COMAND CONTROL PANEL BACKUP LAMPS CIRCUIT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE BU HL BU HR CAN A H CAN A L CAN B H CAN B L CAN B L RBA-1 COMPUTER DATA LINES SYSTEM DIAG DIAG HR EL VL EXCEPT LIMOUSINE FRA HL FRA HR FRA-L HL FRA-R FUSE 209 FUSE 326 FUSE 466 465 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD WARNING SYSTEM BUTTON HGB R HGB-L HD HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LAMP LEFT BACKUP LAMP LEFT FUSE, RELAY MODULE LEFT REAR FOG LAMP LEFT REAR LAMP UNIT LEFT REAR TURN SIGNAL LAMP LEFT STOP LAMP LEFT TAIL LAMP LIMOUSINE LIN MARKER MIRRORS SYSTEM NSL NSL-L ORG/ WIRE POWER DISTRIBUTION SYSTEM PWR-1 PWR-2 RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT BACKUP LAMP RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP RIGHT REAR LAMP UNIT RIGHT REAR TURN SIGNAL LAMP RIGHT STOP LAMP RIGHT TAIL LAMP SL HD SL HL SL HR SML SML HL SML HR UPPER CONTROL PANEL CONTROL UNIT VIO WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CENTER STOP LAMP COC COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EL VL FLEX RAY 1 BM FLEX RAY 1 BP FUSE 200 FUSE 210 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LDS SGN 1 LDS SGN 2 LDS SGN 3 LEFT BACKUP LAMP LEFT FUSE, RELAY MODULE LEFT INSIDE TAILLIGHT LEFT LICENSE PLATE LAMP LEFT REAR FOG LAMP MIRRORS SYSTEM PNK WIRE PWR-1 PWR-2 RBA-1 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RIGHT BACKUP LAMP RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) RIGHT INSIDE TAILLIGHT RIGHT LICENSE PLATE LAMP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP SML STEERING COLUMN MODULE CONTROL UNIT TURN SIGNAL LAMPS SWITCH VIO WIRE WHT WIRE YEL WIRE

AUDIO/COMAND CONTROL PANEL BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLS-SUP VAC PUMP L BLU WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN A H CAN A L CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM EL VL ELECTRONIC STABILITY PROGRAM CONTROL UNIT FUSE 208 FUSE 209 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE HAZARD WARNING SYSTEM BUTTON HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FUSE, RELAY MODULE LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR AMBIENT LAMP LEFT OUTSIDE MIRROR TURN SIGNAL LAMP LEFT TURN SIGNAL IND LAMP LIN MIRRORS SYSTEM RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP CONTROL UNIT RIGHT LED SIGNALING LIGHTS ACTUATION MODULE FAN MOTOR RIGHT PARKING LIGHT, STANDING LIGHT, DAYTIME RUNNING LIGHT RIGHT TURN SIGNAL IND LAMP SIG SIG BLS-GND PAS GND STANDING LAMPS IND LAMP STOP LAMP SWITCH UPPER CONTROL PANEL CONTROL UNIT VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

ANST ANTI-LOCK BRAKES SYSTEM COOLING FANS SYSTEM ASSG START BBV VR BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE COOLING FANS SYSTEM ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE ESSCH B N L ESSCH B N R FANFARE RELAY FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 125 FUSE 200 FUSE 201 FUSE 336 GRY/BLU WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORNS SYSTEM HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM LEFT FUSE, RELAY MODULE LL BU LL YE PNK/RED WIRE POWER DISTRIBUTION SYSTEM PWR-1 PWR-2 RBA-1 RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RSS CLS HSD RSS CLS LSD RSS OPN HSD RSS OPN LSD SIG SML STARTING/CHARGING SYSTEM TFL VIO WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/GRN WIRE