Mercedes-Benz GLK-class X204 facelift (2012-2015) (under driver's seat) Wiring diagrams

BLU WIRE BRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B L CENTRAL MOTOR LOCKING COMPUTER DATA LINES SYSTEM FLAT WIRE GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR DOOR HANDLE ILLUMINATION LEFT FRONT DOOR EXIT, WARNING LAMP LEFT FRONT DOOR HANDLE RECESS ILLUMINATION LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR DOOR HANDLE ILLUMINATION LEFT REAR DOOR EXIT, WARNING LAMP LEFT REAR DOOR HANDLE RECESS ILLUMINATION LEFT REAR DOOR LOCK REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL UNIT RIGHT REAR DOOR DOOR HANDLE ILLUMINATION RIGHT REAR DOOR EXIT, WARNING LAMP RIGHT REAR DOOR HANDLE RECESS ILLUMINATION RIGHT REAR DOOR LOCK ROTARY TUMBLER SWITCH SIG TAILGATE CONTROL BUTTON TANK CAP CENTRAL LOCKING MOTOR TRUNK LID RELEASE/DRIVER TAILGATE CONTROL BUTTON W/ INTERIOR LIGHTS PACKAGE W/ KEYLESS W/O KEYLESS W/O KEYLESS W/ KEYLESS ZV-MOT +

BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN G H PNK CAN G L WIRE COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 2 FUSE 41 FUSE 59 HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LED LED 31 LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT REAR BUMPER INTELLIGENT RADAR SENSOR NCA WIRE PNK WIRE PNK/WHT WIRE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR WHT WIRE

AMBIENT LAMP BLK WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FLAT WIRE FRONT ELECTRICAL PREFUSE BOX FUSE 152 FUSE 163 158 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY INSIDE REARVIEW MIRROR LEFT FRONT DOOR CONTROL MODULE LEFT FRONT DOOR EXIT, WARNING LAMP LEFT FRONT DOOR HANDLE ILLUMINATION LEFT FRONT DOOR HANDLE RECESS ILLUMINATION LEFT LUGGAGE COMPARTMENT LAMP LEFT READING LAMP LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR EXIT, WARNING LAMP LEFT REAR DOOR HANDLE ILLUMINATION LEFT REAR DOOR HANDLE RECESS ILLUMINATION LEFT TAILGATE AMBIENT LAMP, WARNING LAMP PNK WIRE RED WIRE RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT DOOR EXIT, WARNING LAMP RIGHT FRONT DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR HANDLE RECESS ILLUMINATION RIGHT LUGGAGE COMPARTMENT LAMP RIGHT READING LAMP RIGHT REAR DOOR CONTROL UNIT RIGHT REAR DOOR EXIT, WARNING LAMP RIGHT REAR DOOR HANDLE ILLUMINATION RIGHT REAR DOOR HANDLE RECESS ILLUMINATION TAILGATE CONTACT SWITCH TAILGATE EXTERNAL OPERATION SWITCH VIO WIRE W/ INTERIOR LIGHTS PACKAGE W/O ECO START/STOP FUNCTION W/ ECO START/STOP FUNCTION 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

ANT GPS SHIELD GPS ANT NOT SHIELD NOT BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/VIO WIRE BRN WIRE CAN-D H CAN-D L CENTER INSTRUMENT PANEL SPEAKER COMAND CONTROL UNIT (W/ COMAND) COMPUTER DATA LINES SYSTEM CRASH DIAGNOSTIC CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) EMERGENCY CALL SYSTEM ANTENNA EMERGENCY CALL SYSTEM BUTTON EMERGENCY CALL SYSTEM CONTROL UNIT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 87 GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GPS GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES INFO INFO LED MB-INFO, BREAKDOWN ASSISTANCE BUTTON MIKR (-) MULTI-FUNCTION ANTENNA MUTE NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT OVERHEAD CONTROL PANEL ELECTRONICS RADIO (W/ AUDIO 20) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED/BLU WIRE SHIELD SIG SOS SOS LED SOUND SYSTEM AMPLIFIER CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TEL TELEDIAGNOSIS W/ NAVIGATION W/ SOUND SYSTEM W/O NAVIGATION W/O SOUND SYSTEM WS LED YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE

BLK/GRY WIRE BLK/VIO WIRE 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 DRIVER SEAT CONNECTOR BLOCK FRONT ELECTRICAL PREFUSE BOX FRONT PASSENGER SEAT CONNECTOR BLOCK FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 163 158 FUSE 18 GRY/YEL WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT BACKREST HEATED CUSHION LEFT FRONT HEATED SEAT BUTTON LEFT FRONT SEAT SITTING SURFACE HEATED CUSHION LIN 1 NCA WIRE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RED/GRN WIRE RIGHT FRONT BACKREST HEATED CUSHION RIGHT FRONT HEATED SEAT BUTTON RIGHT FRONT SEAT SITTING SURFACE HEATED CUSHION STATIONARY HEATER BUTTON UPPER CONTROL PANEL CONTROL UNIT W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION

BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR DRIVER SEAT HEIGHT ADJUSTMENT MOTOR DRIVER SEAT INCLINATION ADJUSTMENT MOTOR FRONT ELECTRICAL PREFUSE BOX FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSENGER SEAT INCLINATION ADJUSTMENT MOTOR FUSE 163 158 FUSE 44 FUSE 45 FUSE 60 HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT BACKREST ADJUSTMENT SWITCH LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT FORE/AFT ADJUSTMENT SWITCH LEFT FRONT SEAT HEIGHT ADJUSTMENT SWITCH LEFT FRONT SEAT INCLINATION ADJUSTMENT SWITCH MULTICONTOUR SEAT PNEUMATIC PUMP REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RED/WHT WIRE RIGHT FRONT BACKREST ADJUSTMENT SWITCH RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT FORE/AFT ADJUSTMENT SWITCH RIGHT FRONT SEAT HEIGHT ADJUSTMENT SWITCH RIGHT FRONT SEAT INCLINATION ADJUSTMENT SWITCH SEAT ADJUSTMENT RELAY W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE

ADJUSTMENT SWITCH BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE C-CLASS COUPE C-CLASS SEDAN, GLK- CLASS COMPUTER DATA LINES SYSTEM DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR DRIVER SEAT BACKREST) DRIVER SEAT EASY ENTRY SYSTEM LIMIT SWITCH DRIVER SEAT HEIGHT DRIVER SEAT HEIGHT ADJUSTMENT MOTOR DRIVER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FRONT ELECTRICAL PREFUSE BOX FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT EASY ENTRY SYSTEM LIMIT SWITCH FRONT PASSENGER SEAT HEIGHT FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSENGER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FUSE 163 158 FUSE 44 FUSE 45 FUSE 60 HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED MULTICONTOUR SEAT PNEUMATIC PUMP REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RED/WHT WIRE SEAT ADJUSTMENT RELAY SIG W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION WHT/BLK WIRE WHT/GRN WIRE

30 RLS ANST BLK WIRE BLK/GRY WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 17 GRN WIRE GRN/WHT WIRE GRY WIRE HALL HALL SENSOR 1 HALL SENSOR 2 HOT AT ALL TIMES HS 2 HS(+) MOTOR OVERHEAD CONTROL PANEL CONTROL UNIT OVERHEAD CONTROL PANEL ELECTRONICS PANORAMIC SLIDING ROOF CONTROL MODULE PANORAMIC SLIDING ROOF CONTROL UNIT PANORAMIC SLIDING ROOF HALL SENSOR 1 PANORAMIC SLIDING ROOF HALL SENSOR 2 PANORAMIC SLIDING ROOF MOTOR PANORAMIC SLIDING ROOF ROLLER SUN BLIND DRIVE UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE ROOF MOTOR SENSOR 1 SENSOR 2 SIG SUN BLIND MOTOR TILTING/ SLIDING ROOF DRIVE UNIT TILTING/ SLIDING ROOF SWITCH VIO WIRE WHT WIRE YEL WIRE

BRN WIRE FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 18 FUSE 78 GRN/RED WIRE GRN/YEL WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS LEFT FRONT SEAT VENTILATION BLOWER REGULATOR LEFT FRONT SEAT VENTILATION BUTTON LIN 1 NCA WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT BACKREST SEAT VENTILATION MOTORS RIGHT FRONT SEAT CUSHION SEAT VENTILATION MOTORS RIGHT FRONT SEAT VENTILATION BLOWER REGULATOR RIGHT FRONT SEAT VENTILATION BUTTON SIG UPPER CONTROL PANEL CONTROL UNIT