Mercedes-Benz GLK-class X204 facelift (2012-2015) (top of steering column) Wiring diagrams

ABS IND. BFS BLA BLK WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/RED WIRE BLS H BLS_L BLS_M BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID, PARKING BRAKE WARNING LAMP BRAKE SYSTEM WARNING LAMP IND BRAKE VACUUM SENSOR BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE CAN E H CAN E L CAN H H CAN H L COMPUTER DATA LINES SYSTEM DF HL M DF HL S DF HR M DF HR S DF VL M DF VL S DF VR M DF VR S ECO ELECTRONIC STABILITY PROGRAM CONTROL UNIT ELECTRONIC STABILITY PROGRAM WARNING LAMP ESP OFF IND LAMP ESPA/ ASR OFF WARNING LAMP SERVICE BRAKE IND LAMP EXCEPT 3.5L 3.5L 1.8L TURBO 2.1L TURBO DIESEL FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE SWITCH OVER VALVE FRONT PRESSURE SENSOR FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 1 FUSE 14 FUSE 20 FUSE 35 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HIGH PRESSURE, RETURN PUMP MOTOR HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER LEFT FRONT AXLE RPM SENSOR LEFT FRONT PRESSURE REGULATOR VALVE (HOLD) LEFT FRONT PRESSURE REGULATOR VALVE (RELEASE) LEFT REAR AXLE RPM SENSOR LEFT REAR PRESSURE REGULATOR VALVE (HOLD) LEFT REAR PRESSURE REGULATOR VALVE (RELEASE) NCA WIRE PARKING BRAKE INDICATOR SWITCH PML PNK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE POWER STEERING PUMP QUANTITY CONTROL VALVE PREMIUM REAR PRESSURE SENSOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT AXLE RPM SENSOR RIGHT FRONT PRESSURE REGULATOR VALVE (HOLD) RIGHT FRONT PRESSURE REGULATOR VALVE (RELEASE) RIGHT REAR AXLE RPM SENSOR RIGHT REAR PRESSURE REGULATOR VALVE (HOLD) RIGHT REAR PRESSURE REGULATOR VALVE (RELEASE) SIG SPEED-SENSITIVE POWER STEERING SOLENOID VALVE SSK STEERING ANGLE SENSOR STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH TAXIMETER ELECTRICAL CONNECTOR TRACTION SYSTEM HYDRAULIC UNIT VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE YAW RATE, LATERAL, LONGITUDINAL ACCELERATION SENSOR

ACCEPT/TERMINATE PHONE CALL BUTTON ANT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BUTTON +, - SETTING OF SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DAB DELETE BUTTON DIGITAL AUDIO BROADCASTING CONTROL UNIT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FM, AM, CL ANTENNA AMPLIFIER FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 11 FUSE 13 FUSE 84 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MOST DATA BUS CIRCUIT MOST IN MOST 1 MOST OUT MUTE MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE REAR WINDOW ANTENNA FM ANTENNA AMPLIFIER RED WIRE RED/BLU WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON SHIELD STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON TEL TV 1, DAB BAND III ANTENNA VOICE CONTROL SYSTEM ON BUTTON WAKE-UP WHT WIRE YEL 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

2.1L TURBO DIESEL BLK/PNK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EXCEPT 2.1L TURBO DIESEL EXTERIOR LIGHTS SWITCH FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 152 FUSE 161 156 GRN WIRE GRN/WHT WIRE HEADLAMP CLEANING SYSTEM PUMP HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LWR RED WIRE RED/YEL WIRE SIG STEERING COLUMN MODULE CONTROL UNIT W/O ECO START/STOP FUNCTION WINDSHIELD WASHER SYSTEM SWITCH WIPER SWITCH

ADAPTIVE DAMPING SYSTEM CONTROL UNIT BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CAN H H CAN H L CAN-G H CAN-G L CAN-S H CAN-S L DISTRONIC ELECTRIC CONTROLLER UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER LEFT REAR BUMPER INTELLIGENT RADAR SENSOR LEFT REAR BUMPER RADAR SENSOR PNK WIRE PNK/WHT WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR RIGHT REAR BUMPER RADAR SENSOR STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VEHICLE DYNAMICS CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE YAW RATE, LATERAL, LONGITUDINAL ACCELERATION SENSOR

AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CHASSIS CIRCUIT 87 RELAY COMPUTER DATA LINES SYSTEM DATA DISTRONIC ELECTRIC CONTROLLER UNIT, ELECTRO HYDRAULIC POWER STEERING ELECTRIC STEERING LOCK CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT EXTERIOR LIGHTS SWITCH FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) FROM FUSE 16 (DIAGRAM 4 OF 5) FROM FUSE 29 (DIAGRAM 4 OF 5) FROM FUSE 32 (DIAGRAM 4 OF 5) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUEL PUMP CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 1 FUSE 14 FUSE 19 FUSE 2 FUSE 20 FUSE 26 FUSE 27 FUSE 28 FUSE 3 FUSE 33 FUSE 34 FUSE 35 FUSE 36 FUSE 4 FUSE 5 FUSE 6 FUSE 7 GRN WIRE GRN/WHT WIRE HEADLAMP CONTROL UNIT INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT ME-SFI (ME) CONTROL UNIT PNK WIRE PNK/RED WIRE PNK/WHT WIRE RADIO CONTROL UNIT REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR CONTROL UNIT STARTER CIRCUIT 50 RELAY W/ KEYLESS GO W/O KEYLESS GO WHT/RED WIRE

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

ACCEPT/TERMINATE PHONE CALL BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BASS SPEAKER BLK WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BUTTON +, - SETTING OF SPECIFIC FUNCTIONS, VOLUME CONTROL CAN E H CAN E L COMPUTER DATA LINES SYSTEM FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 13 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT DOOR SPEAKER LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MUTE MUTE BUTTON OK BUTTON ORG/ WIRE PNK WIRE RED WIRE RED/BLU WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON TEL TWEETER VOICE CONTROL SYSTEM ON BUTTON W/O SOUND SYSTEM YEL WIRE

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

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