Mercedes-Benz GLK-class X204 facelift (2012-2015) (c- class) Wiring diagrams

BLU WIRE BRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B L CENTRAL MOTOR LOCKING COMPUTER DATA LINES SYSTEM FLAT WIRE GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR DOOR HANDLE ILLUMINATION LEFT FRONT DOOR EXIT, WARNING LAMP LEFT FRONT DOOR HANDLE RECESS ILLUMINATION LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR DOOR HANDLE ILLUMINATION LEFT REAR DOOR EXIT, WARNING LAMP LEFT REAR DOOR HANDLE RECESS ILLUMINATION LEFT REAR DOOR LOCK REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL UNIT RIGHT REAR DOOR DOOR HANDLE ILLUMINATION RIGHT REAR DOOR EXIT, WARNING LAMP RIGHT REAR DOOR HANDLE RECESS ILLUMINATION RIGHT REAR DOOR LOCK ROTARY TUMBLER SWITCH SIG TAILGATE CONTROL BUTTON TANK CAP CENTRAL LOCKING MOTOR TRUNK LID RELEASE/DRIVER TAILGATE CONTROL BUTTON W/ INTERIOR LIGHTS PACKAGE W/ KEYLESS W/O KEYLESS W/O KEYLESS W/ KEYLESS ZV-MOT +

BACKUP LAMP 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 ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE FRONT ELECTRICAL PREFUSE BOX FUSE 163 158 GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT REAR LAMP UNIT REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RFL L RFL R RIGHT REAR LAMP UNIT W/O ECO START/STOP FUNCTION W/ ECO START/STOP FUNCTION YEL WIRE

AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM POWER DISTRIBUTION SYSTEM AIR CONDITIONING, ENGINE CONTROLS SYSTEMS ANST ANTI-THEFT SYSTEM BFS BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CAN E H CAN E L CAN-G H CAN-G L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES, INSTRUMENT CLUSTER SYSTEMS CRASH CRUISE CONTROL SYSTEM DIESEL ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROLS SYSTEM FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 152 FUSE 154 153 FUSE 156 161 GASOLINE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER, POWER TOPS SYSTEMS INSTRUMENT CLUSTER, POWER TOPS SYSTEMS INSTRUMENT CLUSTER SYSTEM KHD LIN 1 LIN 2 LWR NCA WIRE NTC- PNK/GRN WIRE PNK/GRY WIRE PNK/RED WIRE PNK/WHT WIRE PNK/YEL WIRE POWER DISTRIBUTION SYSTEM POWER WINDOWS, INSTRUMENT CLUSTER SYSTEMS RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SIG SOUND, NAVIGATION SYSTEMS STARTING/CHARGING SYSTEM STARTING/CHARGING, ENGINE CONTROLS SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM TRANSMISSIONS SYSTEM VIO/WHT WIRE W/O ECO START/STOP FUNCTION WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BRN WIRE FRONT SAM CONTROL UNIT W/FUSE, RELAY MODULE FUEL PUMP SUPPLEMENTAL CONTROL RESTRAINT SYSTEM UNIT CONTROL UNIT GLOVE BOX LAMP) HEADLAMP CLEANING SYSTEM PUMP INSTRUMENT CLUSTER LEFT ENGINE HOOD CONTACT SWITCH (ECO START/STOP FUNCTION, GLK-CLASS) LEFT FANFARE HORN MARKER LAMP RADIATOR SENSOR FOR ENGINE DIAGNOSIS, RIGHT DAYTIME RUNNING LAMPS HEADLAMP REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 1 REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 2 REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 2 (C-CLASS) RIGHT ENGINE HOOD CONTACT SWITCH RIGHT FANFARE HORN STATIONARY HEATER SWITCH OVER VALVE STEERING COLUMN MODULE CONTROL UNIT, ELECTRONIC IGNITION SWITCH CONTROL UNIT, UPPER CONTROL PANEL CONTROL UNIT WHT WIRE WINDSHIELD WASHER SYSTEM PUMP, LEFT FRONT SIDE

ANT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/GRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE C-CLASS COUPE C-CLASS SEDAN, GLK- CLASS CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DATA FRONT ELECTRICAL PREFUSE BOX FUSE 164 FUSE 74 FUSE 80 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ ADDITIONAL BATTERY RELAY ENERGIZED INSTRUMENT CLUSTER INTERIOR KEYLESS GO ANTENNA KEYLESS-GO CONTROL UNIT LEFT DOOR KEYLESS GO ANTENNA LEFT FRONT KEYLESS GO DOOR HANDLE LEFT REAR DOOR KEYLESS GO ANTENNA LEFT REAR KEYLESS GO GO DOOR HANDLE MULTI-FUNCTION DISPLAY NCA WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RIGHT DOOR KEYLESS GO ANTENNA RIGHT FRONT KEYLESS GO DOOR HANDLE RIGHT REAR DOOR KEYLESS GO ANTENNA RIGHT REAR KEYLESS GO DOOR HANDLE SHIELD SIG TAILGATE KEYLESS GO BUTTON TRUNK KEYLESS GO ANTENNA W/O ECO START/STOP FUNCTION WHT WIRE YEL WIRE

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE FRONT ELECTRICAL PREFUSE BOX FUSE 163 158 FUSE 164 FUSE 49 HEATED REAR WINDOW RELAY HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE REAR WINDOW ANTENNA AMPLIFIER 1 REAR WINDOW HEATER REAR WINDOW HEATER BUTTON REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 1 REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 2 RED WIRE SEDAN VIO/WHT WIRE W/O ECO START/ STOP FUNCTION W/ ECO START/ STOP FUNCTION

BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/YEL WIRE CENTER REAR SEAT BELT BUCKLE SWITCH DRIVER AIR BAG SQUIB 1 DRIVER AIR BAG SQUIB 2 DRIVER KNEEBAG SQUIB EMERGENCY CALL SYSTEM CONTROL UNIT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT PASSENGER AIR BAG SQUIB 1 FRONT PASSENGER AIR BAG SQUIB 2 FRONT PASSENGER SEAT OCCUPIED RECOGNITION FRONT PASSENGER SEAT OCCUPIED RECOGNITION, AUTOMATIC CHILD SEAT RECOGNITION GRN WIRE GRN/YEL WIRE GRY WIRE LEFT FRONTAL ACCELERATION SENSOR LEFT REAR DOOR PRESSURE SENSOR LEFT REAR EMERGENCY TENSIONING RETRACTOR SQUIB LEFT REAR SEAT BELT BUCKLE SWITCH LEFT REAR SIDE BAG SQUIB LEFT SIDE AIR BAG SENSOR NCA WIRE PNK/BLK WIRE RED WIRE RED/VIO WIRE RIGHT FRONTAL ACCELERATION SENSOR RIGHT REAR DOOR PRESSURE SENSOR RIGHT REAR SEAT BELT BUCKLE SWITCH RIGHT SIDE AIR BAG SENSOR STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/GRN WIRE W/ REAR SIDE AIR BAG WHT WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/YEL WIRE CAK BF CAK FA CAN L COMPUTER DATA LINES SYSTEM DRIVER ETR (GUS) SQUIB DRIVER PELVIS AIR BAG SQUIB DRIVER SEAT NECK-PRO HEAD RESTRAINT SOLENOID DRIVER SIDE AIR BAG SQUIB FRONT ELECTRICAL PRE-FUSE BOX FRONT PASSENGER ETR (GUS) SQUIB FRONT PASSENGER PELVIS AIR BAG SQUIB FRONT PASSENGER SEAT NECK-PRO HEAD RESTRAINT SOLENOID FRONT PASSENGER SIDE BAG SQUIB FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 150 FUSE 28 FUSE 37 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GS BF + GS FA+ GS HL - GS HR - HOT AT ALL TIMES HOT W/ INSTRUMENT CLUSTER LEFT WINDOW BAG SQUIB PG FA - PG, BF+ PNK WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY 1 ENERGIZED RIGHT REAR EMERGENCY TENSIONING RETRACTOR SQUIB RIGHT REAR SIDE BAG SQUIB RIGHT WINDOW AIR BAG SQUIB SB BF + SB FA + SB HL - SB HR - SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM INDICATOR LAMP VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE W/O ECO START/STOP FUNCTION WB VL- WB VR+ WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE

31 LED 31/1 31/2 AHK BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CUTOUT RELAY ENERGIZED FRONT ELECTRICAL PREFUSE BOX FUSE 163 158 FUSE 53 FUSE 54 FUSE 57 FUSE 58 FUSE 89 GRN WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ HOT W/ CIRCUIT 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LED QUIESCENT CURRENT REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RFL (+) TRAILER HITCH LOCKING SWITCH TRAILER HITCH RELEASE TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET W/O ECO START/ STOP FUNCTION W/ ECO START/ STOP FUNCTION WHT WIRE

ANST BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 10 FUSE 13 FUSE 17 FUSE 27 FUSE 38 GRN WIRE GRN/WHT WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LIGHT SENSOR (STANDARD) RAIN/LIGHT SENSOR (IF EQUIPPED) LIN 2 NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT OVERHEAD CONTROL PANEL ELECTRONICS PNK/GRY WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE SIG SPRAY NOZZLE HEATER SPRAY NOZZLE HOSE HEATER STEERING COLUMN MODULE CONTROL UNIT TAILGATE WINDSHIELD WIPER RELAY TAILGATE WIPER MOTOR VIO/YEL WIRE W/O POWER GLASS TILTING /SLIDING SUNROOF WINDSHIELD WASHER SYSTEM FLUID LEVEL SWITCH WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM SWITCH WIPER MOTOR WIPER PARK HEATER WIPER SWITCH YEL/BLU WIRE