Mercedes-Benz GLK-class X204 facelift (2012-2015) computer data lines system Wiring diagrams

BLK WIRE BLS H BLS_L BLS_M BLU WIRE BRN WIRE CAN E H CAN E L CAN H H CAN H L CAN S H PNK CAN S L WIRE CAN-G H CAN-G L CAN-S H CAN-S L COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CUTOUT RELAY ENERGIZED DISTRONIC CONTROL UNIT DISTRONIC ELECTRIC CONTROLLER UNIT DISTRONIC RADAR SENSOR ELECTRONIC STABILITY PROGRAM CONTROL UNIT FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 13 FUSE 36 FUSE 59 FUSE 80 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ HOT W/ CHASSIS CIRCUIT 87 RELAY ENERGIZED HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT FRONT BUMPER DISTRONIC SENSOR (DTR) LEFT REAR BUMPER INTELLIGENT RADAR SENSOR LEFT REAR BUMPER RADAR SENSOR LVDS N LVDS P MULTI-FUNCTION CAMERA ORG/ WIRE PNK CAN S L WIRE PNK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE QUIESCENT CURRENT REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED/BLU WIRE RIGHT FRONT BUMPER DISTRONIC SENSOR (DTR) RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR RIGHT REAR BUMPER RADAR SENSOR STOP LAMP SWITCH SYSTEM VIDEO N VIDEO P VIDEO, RADAR SENSOR SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE

-1 +2 1.8L TURBO 3.5L 2.1L TURBO DIESEL EXCEPT 2.1L TURBO DIESEL ACCEL/ DECEL/ SET SET ACCELERATOR PEDAL SENSOR BLK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DCM DCP DEC DISTRONIC CONTROL (IF EQUIPPED) DISTRONIC WARNING LAMP ENGINE CONTROLS SYSTEM FULLY INTEGRATED TRANSMISSION CONTROL CONTROL UNIT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE IND INSTRUMENT CLUSTER IPM OFF OUTPUT SHAFT RPM SENSOR PNK SIG WIRE PNK WIRE RED/BLU WIRE RES+ RESUME SIG STEERING COLUMN MODULE CONTROL UNIT THROTTLE VALVE ACTUATOR THROTTLE VALVE ACTUATOR (EXCEPT 2.1L TURBO DIESEL) VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE YEL WIRE

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

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CENTER HORNS BUTTON COMPUTER DATA LINES SYSTEM FANFARE HORN RELAY FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 13 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FANFARE HORN LEFT FANFARE HORN SYSTEM BUTTON RED/BLU WIRE RELAY RIGHT FANFARE HORN RIGHT FANFARE HORN SYSTEM BUTTON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS

ACCELERATE, SET SWITCH ACCEPT/TERMINATE PHONE CALL BUTTON ALDW - BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BRN WIRE BUTTON +, - SETTING OF SPECIFIC FUNCTIONS, VOLUME CONTROL CAN E H CAN E L CENTER HORNS BUTTON COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DISTRONIC CONTROL (IF EQUIPPED) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT SAM CONTROL UNIT W/ FUSE/RELAY MODULE FUSE 13 FUSE 65 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HEATING ELEMENT TEMPERATURE SENSOR HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INDICATOR SWITCH LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LH - LH+/ALDW+ LH-/ALDW- LOW BEAM SWITCH LSP + MUTE MUTE BUTTON NTC- OFF SWITCH OK BUTTON ORG/ WIRE PNK WIRE REAR SAM CONTROL UNIT W/ FUSE/RELAY MODULE RED WIRE RED/BLU WIRE RED/ORG WIRE RESUME FROM MEMORY SWITCH RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING ANGLE SENSOR STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL UPSHIFT BUTTON STEERING WHEEL VIBRATION MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON TEL TURN SIGNAL LAMP SWITCH VIO WIRE VOICE CONTROL SYSTEM ON BUTTON W/ STEERING WHEEL HEATER, AUTOMATIC LANE DETECTION WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL 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

ACCELERATOR PEDAL SENSOR BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN C H CAN C L COMPUTER DATA LINES SYSTEM E RDS ENGINE DIAGNOSIS INDICATOR LAMP FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUEL LEVEL INDICATOR FUEL PRESSURE SENSOR FUEL PUMP FUEL PUMP CONTROL MODULE (UNDER RIGHT REAR SEAT) FUEL TANK FUSE 28 FUSE 34 FUSE 5 GRN/GRY WIRE GRN/PNK WIRE HOT AT ALL TIMES HOT W/ CHASSIS CIRCUIT 87 RELAY ENERGIZED HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER MULTI-FUNCTION DISPLAY NCA WIRE OXYGEN SENSOR UPSTREAM OF CATALYTIC CONVERTER PNK/RED WIRE PNK/WHT WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR REFRIGERANT COMPRESSOR W/ MAGNETIC CLUTCH VIO/GRN WIRE VIO/YEL WIRE W/ MAGNETIC CLUTCH W/O MAGNETIC CLUTCH

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

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT THERMOSTAT HEATING ELEMENT CYLINDER 5 FUEL INJECTION DCM ENGINE OIL PUMP VALVE EV 1 FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 27 FUSE 34 FUSE 6 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ CHASSIS CIRCUIT 87 RELAY ENERGIZED HOT W/ CIRCUIT INTAKE MANIFOLD RESONANCE FLAP SWITCH OVER VALVE INTAKE MANIFOLD SELECTOR DRUM SWITCH OVER VALVE IPM LEFT NOX SENSOR LSHK ME-SFI (ME) CONTROL MODULE NCA WIRE NWSA 1 NWSE 2 ORG/ WIRE PNK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/RED WIRE PNK/WHT WIRE QUANTITY CONTROL VALVE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT NOX SENSOR RIGHT NOX SENSOR CONTROL UNIT (W/ STRATIFIED CHARGE) VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE ZEU 2 ZUE 1 ZUE 3 ZUE 4 ZUE 5 ZUE 6

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM E RDS EKP-EC-U EKP-EC-V EKP-EC-W FUEL PRESSURE SENSOR FUEL QUALITY SENSOR GRN/BLU WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/RED WIRE GRY/WHT WIRE HOT FILM MASS AIR FLOW SENSOR (W/ STRATIFIED CHARGE) (ON INTAKE AIR DUCT) IGNITION COILS LEFT EXHAUST CAMSHAFT HALL SENSOR LEFT EXHAUST CAMSHAFT SOLENOID LEFT INTAKE CAMSHAFT HALL SENSOR LEFT INTAKE CAMSHAFT SOLENOID NCA WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE TO SPARK PLUGS VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/WHT WIRE VIO/YEL WIRE W/ ETHANOL FUEL W/O ETHANOL FUEL WHT WIRE WHT/BRN WIRE WHT/PNK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/RED WIRE YEL/WHT WIRE