Mercedes-Benz GLK-class X204 facelift (2012-2015) front sam control unit w/ fuse, relay module Wiring diagrams

1.8L TURBO 2.1L TURBO DIESEL 3.5L BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CIRCUIT 87 RELAY ENERGIZED COMBUSTION ENGINE, A/C W/ INTEGRATED CONTROL FAN MOTOR COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR ENGINE CONTROLS SYSTEM EXCEPT 2.0L TURBO DIESEL FRESH AIR/ RECIRCULATION FLAP ACTUATOR MOTOR FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 12 FUSE 151 FUSE 22 GRN/BLU WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE INTERIOR HUMIDITY/ TEMPERATURE SENSOR INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEUS NCA WIRE NTC- OVERHEAD CONTROL PANEL ELECTRONICS PURGE CONTROL VALVE REAR AIR OUTLET SYMBOL ILLUMINATION RED WIRE RED/BLK WIRE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE REFRIGERANT COMPRESSOR REFRIGERANT PRESSURE SENSOR REG SOLID STATE TMOT VIO/GRN WIRE VIO/WHT WIRE

1.8L TURBO 3.5L 2.1L TURBO DIESEL EXCEPT 2.1L TURBO DIESEL BLK/BLU WIRE BLK/RED WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE COMBUSTION ENGINE, A/C W/ INTEGRATED CONTROL FAN MOTOR COOLANT CIRCULATION PUMP COOLANT TEMPERATURE SENSOR ENGINE CONTROLS SYSTEM FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 12 FUSE 22 GRN/BLU WIRE GRN/RED WIRE GRY/BLU WIRE HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED INTERIOR HUMIDITY/ TEMPERATURE SENSOR INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FOOTWELL FLAP ACTUATOR MOTOR LEUS NTC- OVERHEAD CONTROL PANEL ELECTRONICS PURGE CONTROL VALVE REAR BLEND AIR FLAP ACTUATOR MOTOR RED WIRE RED/BLK WIRE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR REFRIGERANT PRESSURE SENSOR REG SIG SOLID STATE TMOT VIO/WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE

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

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

AUXILIARY HEATER HEATING ELEMENT BLU WIRE BRN WIRE BRN/BLK WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM DEFROST FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 13 GRN WIRE GRN/WHT WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LVDS N LVDS P MULTI-FUNCTION CAMERA ORG/ WIRE RED/WHT WIRE VIDEO N VIDEO P VIDEO, RADAR SENSOR SYSTEM CONTROL UNIT

ANT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE C-CLASS GLK-CLASS CAN A H CAN A L COMPUTER DATA LINES SYSTEM CRADLE NAVIGATION MODULE FM/TMC ANTENNA SPLITTER FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 11 GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GPS FM GRN WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LVDS MIC - NAVIGATION MODULE NCA WIRE ORG/ WIRE RADIO REAR WINDOW ANTENNA FM ANTENNA AMPLIFIER RES+ SHIELD TMC TMC TMC VOICE WHT 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

1.8L TURBO 2.1L TURBO DIESEL 3.5L A/T BATTERY SENSOR BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM D- D+ ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE ELECTRONIC TRANSMISSION CONTROL UNIT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 25 FUSE 7 HOT W/ CIRCUIT 15 RELAY ENERGIZED ON-BOARD ELECTRICAL SYSTEM BATTERY POWER DISTRIBUTION SYSTEM RED WIRE RED/BLU WIRE STARTER STARTER CIRCUIT 50 RELAY STR+ VIO WIRE VIO/WHT WIRE

BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/TAILGATE CONTROL BUTTON FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 2 FUSE 61 GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/PNK WIRE HFE HOT AT ALL TIMES HOT W/ LEFT FRONT DOOR CONTROL UNIT LEFT TAILGATE CONTROL OBSTRUCTION SENSOR STRIP NCA WIRE ORG/ WIRE ORG/GRN WIRE QUIESCENT CURRENT CUTOUT RELAY ENERGIZED REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED/WHT WIRE RED/YEL WIRE RIGHT TAILGATE CONTROL OBSTRUCTION SENSOR STRIP SIG TAILGATE CENTRAL LOCKING MOTOR TAILGATE CONTACT SWITCH TAILGATE CONTROL BUTTON TAILGATE CONTROL DRIVE UNIT TAILGATE CONTROL ELECTRIC MOTOR TAILGATE CONTROL HALL SENSOR TAILGATE CONTROL MAGNETIC CLUTCH TAILGATE CONTROL POSITION SENSOR TAILGATE CONTROL UNIT TAILGATE CONTROL WARNING BUZZER TAILGATE EXTERNAL OPERATION SWITCH TAILGATE LOCKING ELEMENT TRUNK LID TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID RELEASE BUTTON W/ AUTOMATIC TAILGATE W/O AUTOMATIC TAILGATE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE