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

-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

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT BACKREST INCLI- NATION ADJUST- MENT MOTOR DRIVER SEAT CONTROL UNIT DRIVER SEAT EASY ENTRY SYSTEM LIMIT SWITCH DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR DRIVER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR DRIVER SEAT HEIGHT ADJUSTMENT MOTOR DRIVER SEAT INCLINATION ADJUSTMENT MOTOR DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH DRIVER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FUSE 62 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HS(+) HV_HS(-) HV_MOT+ LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LV_HS(-) LV_MOT+ MK+ ML+ ML/K MLS MLS H MLS V MOT- NV_HS(-) NV_MOT+ REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/YEL WIRE SIG STEERING COLUMN MEMORY CIRCUIT VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

ADAPTIVE DAMPING CONTROL UNIT BLK/BLU WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE FUSE 65 GRN/WHT WIRE H SIDE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED L SIDE LEFT FRONT LEVEL SENSOR LEFT REAR AXLE DAMPING VALVE UNIT LEFT REAR BODY LATERAL ACCELERATION SENSOR LEFT REAR LEVEL SENSOR NCA WIRE PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED/BLU WIRE RIGHT REAR AXLE DAMPING VALVE UNIT RIGHT REAR LEVEL SENSOR SIG WHT/BLU WIRE WHT/RED WIRE YEL/WHT WIRE

ADAPTIVE DAMPING CONTROL UNIT BLK/BLU WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/WHT WIRE H SIDE L SIDE LEFT FRONT AXLE DAMPING VALVE UNIT LEFT FRONT BODY LATERAL ACCELERATION SENSOR NCA WIRE PNK/WHT WIRE RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT FRONT BODY LATERAL ACCELERATION SENSOR RIGHT FRONT LEVEL SENSOR SIG VIO/BLU WIRE WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

AUTOMATIC DIMMING MIRROR BLK WIRE BLK/WHT 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 FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 2 FUSE 41 GRN WIRE HORI MOTOR HORI POTENTI- OMETER HORI POTENTIOMETER HOT AT ALL TIMES HOT W/ QUISCENT CURRENT CUTOUT RELAY ENERGIZED LED LED 31 LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT OUT SIDE MIRROR TURN SIGNAL LAMP LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH MIRROR HEATER NCA WIRE OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD IN/ FOLD OUT ELECTRIC MIRROR OUTSIDE MIRROR FOLD-IN/ FOLD-OUT SWITCH PNK WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT OUT SIDE MIRROR TURN SIGNAL LAMP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH SIG VERT MOTOR VERT POTEN- TIO- METER VERT POTENTIOMETER

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT PASSE- NGER SEAT FORE/AFT ADJUSTMENT MOTOR FRONT PASSE- NGER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSE- NGER SEAT INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT EASY ENTRY SYSTEM LIMIT SWITCH FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FUSE 63 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HS(+) HV_HS(-) HV_MOT+ LV_HS(-) LV_MOT+ MK+ ML+ ML/K MOT- NV_HS(-) NV_MOT+ REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP SIG VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE 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

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 BLU WIRE BLU/PNK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE CDI CONTROL MODULE DRV (+) EA LDS EXHAUST GAS RECIRCULATION ACTUATOR FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/PNK WIRE GRY/RED WIRE HEAT EXCHANGER SHUTOFF VALVE INJ H INJ L KWDGA LIFT SIG NCA WIRE PNK WIRE QUANTITY CONTROL VALVE RDS RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SHIELD SIG TMOT VIO WIRE VIO/BLK WIRE VIO/WHT WIRE W/ PIEZO FUEL INJECTOR W/O PIEZO FUEL INJECTOR WHT WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

1 CYL 2 CYL 3 CYL 4-CYL BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CHARGE AIR TEMPERATURE SENSOR CONDENSATION SENSOR FOR FUEL FILTER W/ HEATING ELEMENT COOLANT TEMPERATURE SENSOR EXHAUST GAS RECIRCULATION COOLER BYPASS SWITCHOVER VALVE FUEL TEMPERATURE SENSOR GLOW OUTPUT STAGE GLOW PLUG CYLINDER 1 GLOW PLUG CYLINDER 2 GLOW PLUG CYLINDER 3 GLOW PLUG CYLINDER 4 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/PNK WIRE HOT FILM MASS AIR FLOW SENSOR HTR 1 HTR 2 INTAKE AIR TEMPERATURE SENSOR OIL TEMPERATURE SENSOR RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SHIELD SIG STARTING/ CHARGING SYSTEM TEMPERATURE SENSOR UPSTREAM OF TURBOCHARGER VENT LINE HEATER ELEMENT VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE