Mercedes-Benz GLK-class X204 facelift (2012-2015) front electrical prefuse box Wiring diagrams

AIR DISTRIBUTION FLAP ACTUATOR AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLOWER MOTOR BLOWER REGULATOR A/C HOUSING BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DEFROSTER VENT FLAP ACTUATOR MOTOR EVAPORATOR TEMPERATURE SENSOR FRONT ELECTRICAL PREFUSE BOX FUSE 156 FUSE 158 160 FUSE 161 156 GRY/BLU WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT BLENDING AIR FLAP ACTUATOR LEFT CENTER AIR OUTLET SYMBOL ILLUMINATION LEFT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION LIN DATA NCA WIRE NTC- PTC HEATER BOOSTER (2.0L TURBO DIESEL) REAR WINDOW HEATER BUTTON RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT BLENDING AIR FLAP ACTUATOR RIGHT CENTER AIR OUTLET SYMBOL ILLUMINATION RIGHT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION SIG SUN SENSOR VIO/GRN WIRE VIO/WHT WIRE W/ AIR OUTLET SYMBOL ILLUMINATION W/O ECO START/STOP FUNCTION W/ ECO START/STOP FUNCTION WHT WIRE WHT/BLU WIRE WHT/BRN WIRE YEL WIRE YEL/BLU WIRE

1.8L TURBO 2.1L TURBO DIESEL 3.5L BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CIRCUIT 87 RELAY ENERGIZED COMBUSTION ENGINE, A/C W/ INTEGRATED CONTROL FAN MOTOR COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR ENGINE CONTROLS SYSTEM EXCEPT 2.0L TURBO DIESEL FRESH AIR/ RECIRCULATION FLAP ACTUATOR MOTOR FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 12 FUSE 151 FUSE 22 GRN/BLU WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE INTERIOR HUMIDITY/ TEMPERATURE SENSOR INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEUS NCA WIRE NTC- OVERHEAD CONTROL PANEL ELECTRONICS PURGE CONTROL VALVE REAR AIR OUTLET SYMBOL ILLUMINATION RED WIRE RED/BLK WIRE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE REFRIGERANT COMPRESSOR REFRIGERANT PRESSURE SENSOR REG SOLID STATE TMOT VIO/GRN WIRE VIO/WHT WIRE

AC HOUSING, AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLOWER MOTOR BLOWER REGULATOR BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DATA DATA FOND EVAPORATOR TEMPERATURE SENSOR FRONT ELECTRICAL PREFUSE BOX FUSE 151 FUSE 158 160 FUSE 161 156 FUSE 43 HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED NTC- REAR SAM CONTROL UNIT W/FUSE, RELAY MODULE REAR WINDOW HEATER BUTTON RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE SIG SUN SENSOR VIO/WHT WIRE W/O ECO START/STOP FUNCTION W/ ECO START/STOP FUNCTION WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE DATA DIFFUSE FLAP ACTUATOR MOTOR EMISSIONS SENSOR FRESH AIR/ RECIRCULATION AIR FLAP ACTUATOR MOTOR FRONT ELECTRICAL PREFUSE BOX FUSE 156 GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT BLENDING AIR FLAP ACTUATOR LEFT CENTER AIR OUTLET FLAP ACTUATOR MOTOR LEFT CENTER AIR OUTLET SYMBOL ILLUMINATION LEFT DEFROSTER VENT FLAP ACTUATOR MOTOR LEFT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION NCA WIRE PTC HEATER BOOSTER (2.0L TURBO DIESEL) RAM AIR FLAP ACTUATOR MOTOR REAR AIR OUTLET SYMBOL ILLUMINATION REAR AUTOMATIC AIR CONDITIONING OPERATING UNIT RED WIRE RED/BLK WIRE RED/VIO WIRE RED/WHT WIRE RIGHT BLENDING AIR FLAP ACTUATOR RIGHT CENTER AIR OUTLET FLAP ACTUATOR MOTOR RIGHT CENTER AIR OUTLET SYMBOL ILLUMINATION RIGHT DEFROSTER VENT FLAP ACTUATOR MOTOR RIGHT FOOTWELL FLAP ACTUATOR MOTOR RIGHT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE W/ AIR OUTLET SYMBOL ILLUMINATION W/O AIR OUTLET SYMBOL ILLUMINATION WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

1.8L TURBO 2.1L TURBO DIESEL 3.5L 1.8L TURBO 3.5L 2.1L TURBO DIESEL ADDITIONAL BATTERY ADDITIONAL BATTERY RELAY CIRCUIT 30 ADDITIONAL FUSE ALTERNATOR BATTERY SENSOR BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L COMPUTER DATA LINES SYSTEM DECOUPLING RELAY FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL UNIT W/ FUSE AND RELAY MODULE FUNCTION ADDITIONAL BATTERY RELAY FUSE FUSE 150 FUSE 159 GLOW OUTPUT STAGE GRY/YEL WIRE INSTRUMENT CLUSTER LIN ME-SFI (ME) CONTROL MODULE MULTI-FUNCTION DISPLAY ON-BOARD ELECTRICAL SYSTEM BATTERY PYROFUSE REAR SAM CONTROL UNIT W/ FUSE AND RELAY MODULE CIRCUIT 30 FUSE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE STARTER TERMINAL BLOCK (CIRCUIT 30) W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION

BRN WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM ELECTROHYDRAULIC POWER STEERING FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 157 FUSE 36 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CHASSIS CIRCUIT 87 RELAY ENERGIZED RED WIRE RED/BLU WIRE

BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B H CAN B L CAN-G H CAN-G L COMPUTER DATA LINES SYSTEM CORNERING ILLUMINATION EXTERIOR LIGHTS SWITCH FRONT ELECTRICAL PREFUSE BOX FRONT FOG LAMP BUTTON FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 13 FUSE 152 FUSE 161 156 FUSE 163 158 FUSE 5 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/PNK WIRE HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR HEADLAMP RANGE CONTROLLER HIGH BEAM SOLENOID HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT DAYTIME RUNNING LAMPS HEADLAMP LEFT FOG LAMP LEFT FRONT LAMP UNIT LEFT REAR LAMP UNIT LEFT XENON LAMP CONTROL UNIT PNK/RED WIRE REAR FOG LAMP REAR FOG LAMP BUTTON REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT DAYTIME RUNNING LAMPS HEADLAMP RIGHT FOG LAMP RIGHT REAR LAMP UNIT SIG SWITCH ILLUMINATION W/O ECO START/STOP FUNCTION WHT WIRE WHT/BLK WIRE WHT/RED WIRE XENON BULB W/ INTEGRATED IGNITION MODULE YEL WIRE YEL/WHT WIRE

ADJUSTMENT SWITCH BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE C-CLASS COUPE C-CLASS SEDAN, GLK- CLASS COMPUTER DATA LINES SYSTEM DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR DRIVER SEAT BACKREST) DRIVER SEAT EASY ENTRY SYSTEM LIMIT SWITCH DRIVER SEAT HEIGHT DRIVER SEAT HEIGHT ADJUSTMENT MOTOR DRIVER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FRONT ELECTRICAL PREFUSE BOX FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT EASY ENTRY SYSTEM LIMIT SWITCH FRONT PASSENGER SEAT HEIGHT FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSENGER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FUSE 163 158 FUSE 44 FUSE 45 FUSE 60 HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED MULTICONTOUR SEAT PNEUMATIC PUMP REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RED/WHT WIRE SEAT ADJUSTMENT RELAY SIG W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION WHT/BLK WIRE WHT/GRN WIRE

BATT + BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C H CAN C L CAN E H CAN E L CDI CONTROL MODULE COMBUSTION ENGINE, A/C W/ INTEGRATED CONTROL FAN MOTOR COMPUTER DATA LINES SYSTEM CRASH CRH OUT ANLG EKP ENGINE CIRCUIT 87 RELAY FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 151 FUSE 152 FUSE 22 FUSE 23 FUSE 24 FUSE 25 FUSE 27 FUSE 6 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/ORG WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT SWITCHABLE ENGINE MOUNT LEUS PNK/RED WIRE RADIATOR SHUTTERS ACTUATOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT SWITCHABLE ENGINE MOUNT SIG STARTING/ CHARGING SYSTEM STR+ SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TEMPERATURE SENSOR UPSTREAM OF DIESEL PARTICULATE FILTER VIO WIRE VIO/GRN WIRE VIO/YEL WIRE W/ ECO START/ STOP FUNCTION W/ ENGINE MOUNT YEL/BRN WIRE

BLK WIRE BLS H BLS L BLS M BLU/BLK WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/WHT WIRE BOOST PRESSURE CONTROL FLAP PRESSURE TRANSDUCER BOOST PRESSURE CONTROL PRESSURE TRANSDUCER BOOST PRESSURE POSITIONER BOOST PRESSURE SENSOR BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM CRANKSHAFT HALL SENSOR ELECTRONIC STABILITY PROGRAM CONTROL UNIT FRONT ELECTRICAL PREFUSE BOX FUEL TANK FUSE 158 163 FUSE 42 GRN/VIO WIRE GRY WIRE GRY/RED WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FUEL LEVEL INDICATOR SENSOR LOW PRESSURE TURBOCHARGER BOOST PRESSURE SENSOR NCA WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/RED WIRE PNK/WHT WIRE PRESSURE REGULATOR VALVE RAIL PRESSURE SENSOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FUEL LEVEL INDICATOR SENSOR SIG STOP LAMP SWITCH VIO WIRE VIO/BLK WIRE VIO/WHT WIRE W/ PIEZO FUEL INJECTOR W/O PIEZO FUEL INJECTOR W/O PIEZO FUEL INJECTOR W/ ECO START/STOP FUNCTION W/O ECO START/STOP FUNCTION YEL/BLK WIRE YEL/GRN WIRE