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

1.8L TURBO 3.5L 2.1L TURBO DIESEL BLK/BLU WIRE BLK/RED WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMBUSTION ENGINE, A/C W/ INTEGRATED CONTROL FAN MOTOR COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COOLANT TEMPERATURE SENSOR ENGINE CONTROLS SYSTEM FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL MODULE UNIT W/ FUSE, RELAY MODULE FUSE 151 FUSE 22 GRN/BLU WIRE GRN/RED WIRE HOT AT ALL TIMES HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED KHD LUES MRI PURGE CONTROL VALVE RED WIRE RED/BLK WIRE RED/YEL WIRE REFRIGERANT PRESSURE SENSOR REG SIG SOLID STATE TMOT VIO/WHT WIRE WHT WIRE

BRN WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 2 FUSE 41 GRY WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR MIRROR HEATER REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE REAR WINDOW HEATER BUTTON RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR WHT WIRE

BLK WIRE BLK/BRN WIRE BLK/PNK WIRE BLK/VIO WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FH H FH T FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 2 FUSE 3 FUSE 39 FUSE 41 GRN WIRE GRY WIRE H (+) HS 1 H (-) HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HS (+) FH H HS(+) LEFT FRONT DOOR CONTROL UNIT LEFT FRONT POWER WINDOW MOTOR LEFT FRONT POWER WINDOW SWITCH LEFT REAR DOOR CONTROL UNIT LEFT REAR POWER WINDOW MOTOR LEFT REAR POWER WINDOW SWITCH NCA WIRE PASSENGER-SIDE POWER WINDOW SWITCH PNK WIRE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT POWER WINDOW MOTOR RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR DOOR CONTROL UNIT RIGHT REAR POWER WINDOW MOTOR RIGHT REAR POWER WINDOW SWITCH SIG WHT WIRE YEL WIRE YEL/GRN WIRE YEL/GRY 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

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 12 FUSE 163 158 GRN WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LIN 1 REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE REAR WINDOW ROLLER SUN BLIND BUTTON REAR WINDOW ROLLER SUN BLIND MOTOR RED WIRE RED/GRN WIRE UPPER CONTROL PANEL CONTROL UNIT W/O ECO START/ STOP BUTTON W/ ECO START/ STOP BUTTON WHT WIRE YEL WIRE

AKSE AUTOMATIC CHILD SEAT RECOGNITION AIR BAG OFF IND LAMP BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/YEL WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM CRH OUT ANLG CRH OUT DTGL DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH DS BF + DS FA + DS HL+ DS HR - FRONT PASSENGER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 15 FUSE 18 FUSE 21 FUSE 8 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/YEL WIRE GSS BF GSS, FA HOT AT ALL TIMES HOT IN RUN OR START HOT W/ CIRCUIT KB FA- LEFT FRONT DOOR PRESSURE SENSOR LIN LIN 1 ME-SFI (ME) CONTROL UNIT PNK/BLK WIRE PNK/WHT WIRE REAR HEAD RESTRAINTS BUTTON RED/BRN WIRE RED/GRN WIRE RIGHT FRONT DOOR PRESSURE SENSOR RTN LINE SBE SS BF + SS FA + SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT UFS BF + UFS FA + UPPER CONTROL PANEL CONTROL UNIT VIO WIRE VIO/GRN WIRE W/ WEIGHT SENSING SYSTEM WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT/YEL WIRE YEL WIRE YEL/BRN 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

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