Mercedes-Benz GLK-class X204 facelift (2012-2015) (if equipped) wiring diagrams

(if equipped) wiring diagram (1 of 37)

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

Go to component -> Anti-lock brakes circuit -> (IF EQUIPPED)

(if equipped) wiring diagram (2 of 37)

AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLK WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COMPASS DISPLAY BUTTON COMPASS MODULE W/ DISPLAY COMPUTER DATA LINES SYSTEM FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 161 156 FUSE 17 FUSE 2 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HANDSFREE SYSTEM MICROPHONE HOT AT ALL TIMES HOT W/ INSIDE REARVIEW MIRROR LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT READING LAMP LIGHT SENSOR (W/O RAIN/LIGHT SENSOR) RAIN/LIGHT SENSOR (W/ RAIN/LIGHT SENSOR) LIN 2 NAVIGATION, SOUND SYSTEMS NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL UNIT OVERHEAD CONTROL PANEL ELECTRONICS PNK WIRE QUIESCENT CURRENT CUTOUT RELAY ENERGIZED REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED/BLU WIRE RED/WHT WIRE RIGHT READING LAMP SIG USED) YEL WIRE

Go to component -> Automatic day/night mirror circuit -> (IF EQUIPPED)

(if equipped) wiring diagram (3 of 37)

AUTOMATIC DIMMING MIRROR BLK WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 2 FUSE 41 HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LED LED 31 LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT FRONT POWER WINDOW SWITCH LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH LEFT OUTSIDE MIRROR TURN SIGNAL LAMP LEFT REAR POWER WINDOW SWITCH MIRROR HEATER NCA WIRE OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD-IN/ FOLD-OUT ELECTRIC MOTOR OUTSIDE MIRROR FOLD-IN/ FOLD-OUT SWITCH PNK WIRE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT POWER WINDOW SWITCH RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP RIGHT REAR POWER WINDOW SWITCH SIG

Go to component -> Fold-back mirrors circuit -> (IF EQUIPPED)

(if equipped) wiring diagram (4 of 37)

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

Go to component -> Ground distribution circuit (2 of 2) -> (IF EQUIPPED)

(if equipped) wiring diagram (5 of 37)

ACOUSTIC TURN SIGNAL LIGHT FUNCTION CHECK ANTI-LOCK BRAKE SYSTEM INDICATOR LAMP BBV HR BBV VL BFS BLK WIRE BLU WIRE BRAKE SYSTEM WARNING LAMP BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE GAUGE COOLANT TEMPERATURE WARNING LAMP DIESEL DIGITAL CLOCK, OUTSIDE TEMPERATURE INDICATOR DISTRONIC WARNING LAMP DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH ELECTRONIC STABILITY PROGRAM WARNING LAMP ENGINE DIAGNOSIS INDICATOR LAMP ESP/ASR OFF WARNING LAMP FRONT FOG LAMPS INDICATOR LAMP FRONT PASSENGER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH FRONT PASSENGER SEAT OCCUPIED RECOGNITION FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUEL LEVEL INDICATOR FUEL RESERVE INDICATOR LAMP FUSE 18 FUSE 28 GASOLINE GEAR INDICATOR (PRND) GRN WIRE GRN/WHT WIRE GRY/GRN WIRE GRY/YEL WIRE GSS BF GSS, FA HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION INSTRUMENT ILLUMINATION BRIGHTNESS CONTROL LEFT TURN SIGNAL IND LAMP LIN 1 LOW BEAM INDICATOR LAMP MULTI-FUNCTION DISPLAY PREGLOW INDICATOR LAMP REAR FOG LAMP INDICATOR LAMP RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RETURN LINE RIGHT TURN SIGNAL IND LAMP SBE SEAT BELT WARNING LAMP SERVICE BRAKE INDICATOR LAMP SIG SPEEDOMETER STANDING LAMPS INDICATOR LAMP SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM INDICATOR LAMP TACHOMETER, BRIGHTNESS SENSOR TIRE PRESSURE MONITOR WARNING LAMP TRANSMISSION MODE DISPLAY (S) TRAVEL DISTANCE DISPLAY VIO/GRN WIRE WARNING BUZZER YEL WIRE YEL/BLU WIRE YEL/RED WIRE

Go to component -> Instrument cluster circuit (1 of 2) -> (IF EQUIPPED)

(if equipped) wiring diagram (6 of 37)

AMBIENT LAMP ASS LED ASS OFF AUTOMATIC DIMMING MIRROR BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPASS DISPLAY BUTTON COMPASS MODULE W/ DISPLAY COMPUTER DATA LINES SYSTEM FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FUSE 46 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY WIRE HANDS-FREE SYSTEM MICROPHONE HOT AT ALL TIMES INSIDE REARVIEW MIRROR INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT IRS LED IRS-OFF LEFT READING LAMP LEFT REAR WINDOW GLASS BREAKAGE SENSOR MIC 1+ MIC 2+ NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL ELECTRONICS PNK WIRE RADIO (W/ AUDIO 20) COMMAND CONTROL UNIT (W/O AUDIO 20) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE REAR WINDOW GLASS BREAKAGE SENSOR REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RIGHT READING LAMP RIGHT REAR WINDOW GLASS BREAKAGE SENSOR S GB SHIELD WHT WIRE YEL WIRE

Go to component -> Overhead console circuit (2 of 2) -> (IF EQUIPPED)

(if equipped) wiring diagram (7 of 37)

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

Go to component -> Supplemental restraint circuit (2 of 3) -> (IF EQUIPPED)

(if equipped) wiring diagram (8 of 37)

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

Go to component -> Supplemental restraint circuit (3 of 3) -> (IF EQUIPPED)

(if equipped) wiring diagram (9 of 37)

AUTOMATIC TRANSMISSION MODE BUTTON AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH 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 ELECTRIC STEERING LOCK CONTROL UNIT ELECTRIC TRANSMISSION OIL PUMP, TRANSMISSION OIL AUXILIARY PUMP CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 16 FUSE 33 GEAR INDICATOR GEAR INDICATOR SENSOR GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ CHASSIS CIRCUIT 87 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER INTERNAL TRANSMISSION SPEED RPM SENSOR OUTPUT SHAFT RPM SENSOR PNK/RED WIRE PRND R/P S (-) RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE SELECT LEVER POSITIONS R, P LOCKING SOLENOID SELECTION RANGE SENSOR SHIFT GATE SYMBOL ILLUMINATION SIG STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN) TIPP (+) TIPP (MASSE) TIPP (PLUS) TORQUE CONVERTER LOCKUP CLUTCH CONTROL SOLENOID VALVE TRANSMISSION MODE DISPLAY TRANSMISSION OIL TEMPERATURE SENSOR TURBINE WHEEL RPM SENSOR W/ KEYLESS GO SYSTEM W/O KEYLESS GO SYSTEM WHT WIRE WHT/GRN WIRE WORKING PRESSURE CONTROL SOLENOID VALVE YEL WIRE

Go to component -> Transmission circuit -> (IF EQUIPPED)

(if equipped) wiring diagram (10 of 37)

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

Go to component -> Wiper/washer circuit -> (IF EQUIPPED)

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

(if equipped) wiring diagram (1 of 37)

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(if equipped) wiring diagram (2 of 37)

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(if equipped) wiring diagram (3 of 37)

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(if equipped) wiring diagram (4 of 37)

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(if equipped) wiring diagram (5 of 37)

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(if equipped) wiring diagram (6 of 37)

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(if equipped) wiring diagram (7 of 37)

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(if equipped) wiring diagram (8 of 37)

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(if equipped) wiring diagram (9 of 37)

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(if equipped) wiring diagram (10 of 37)

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