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

ANTI-THEFT ALARM SYSTEM INDICATOR LAMP ASS LED ASS OFF BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM EMD EMERGENCY CALL SYSTEM CONTROL UNIT FAN RELAY MODULE FRONT ELECTRICAL PREFUSE BOX FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 152 FUSE 161 156 FUSE 17 FUSE 18 FUSE 46 GRN WIRE GRN/WHT WIRE GRY/YEL WIRE HORNS SYSTEM HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INFO INFO LED INSTRUMENT CLUSTER INSTRUMENT PANEL SWITCH GROUP INTERIOR PROTECTION RECEIVER INTERIOR PROTECTION SWITCH INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT IRS LED IRS-OFF LEFT ENGINE HOOD CONTACT SWITCH LEFT INTERIOR PROTECTION TRANSMITTER LEFT REAR WINDOW GLASS BREAKAGE SENSOR LIN 1 MULTI-FUNCTION DISPLAY NCA WIRE OFF OVERHEAD CONTROL PANEL REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RIGHT INTERIOR PROTECTION TRANSMITTER RIGHT REAR WINDOW GLASS BREAKAGE SENSOR SOS SOS LED S_GB 30 TOWING SENSOR BUTTON W/O ECO START/ STOP FUNCTION W/ ECO START/ STOP FUNCTION WHT WIRE WS LED YEL WIRE YEL/RED WIRE YEL/VIO WIRE

ANT BT ANT GPS AUDIO/COMAND DISPLAY AUX GND AUX JACK ELECTRICAL CONNECTOR AUX L + AUX R + AUX SHIELD BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLUETOOTH ANTENNA BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BTE CAN A H CAN A L CAN B H CAN B L CLOCK COMPUTER DATA LINES SYSTEM DATA 0+ DATA 1 (+) DATA 2 (+) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 16 FUSE 26 GND MH 1 GRN WIRE GRN/WHT WIRE H/L HANDS-FREE SYSTEM MICROPHONE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HR - INSIDE REAR VIEW MIRROR LEFT FRONT DOOR BASS SPEAKER LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR TWEETER LEFT REAR DOOR SPEAKER MIC 2+ MOBILE PHONE ELECTRICAL CONNECTOR MOST DATA BUS CIRCUIT MOST IN MOST OUT MULTI-FUNCTION ANTENNA NCA WIRE ORG/ WIRE ORG/WHT WIRE PNK MIC 1+ WIRE PNK WIRE RADIO W/ AUTO PILOT SYSTEM RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR BASS SPEAKER RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR TWEETER RIGHT REAR DOOR SPEAKER SHIELD SHIELD FM 1 SHIELD GPS 1 VIO WIRE VL - VL+ PNK HL+ WIRE VR+ W/O SOUND SYSTEM WAKE-UP WHT WIRE YEL WIRE

ACCEPT/TERMINATE PHONE CALL BUTTON ANT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BUTTON +, - SETTING OF SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DAB DELETE BUTTON DIGITAL AUDIO BROADCASTING CONTROL UNIT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FM, AM, CL ANTENNA AMPLIFIER FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 11 FUSE 13 FUSE 84 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MOST DATA BUS CIRCUIT MOST IN MOST 1 MOST OUT MUTE MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE REAR WINDOW ANTENNA FM ANTENNA AMPLIFIER RED WIRE RED/BLU WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON SHIELD STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON TEL TV 1, DAB BAND III ANTENNA VOICE CONTROL SYSTEM ON BUTTON WAKE-UP WHT WIRE YEL WIRE

ANST AUDIO/COMAND DISPLAY AUX GND AUX L + AUX R + AUX SHIELD BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN A H CAN A L CAN B H CAN B L COMAND CONTROL UNIT COMAND FAN MOTOR COMPUTER DATA LINES SYSTEM DIAG EMERGENCY CALL SYSTEM CONTROL UNIT FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 11 FUSE 16 FUSE 26 GND CD GRN WIRE GRN/YEL WIRE H/L HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HR - LEFT FRONT DOOR BASS SPEAKER LEFT FRONT DOOR SPEAKER (W/O SOUND SYSTEM) LEFT FRONT DOOR TWEETER LVDS MIC - MIC 1+ MIC 2+ MOST DATA BUS CIRCUIT MOST IN MOST OUT MUTE NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RED/YEL WIRE RES+ SHIELD USB D+ USB USB D- USB ELECTRICAL CONNECTOR VIO WIRE VL - VR+ WAKE-UP WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

AUDIO GND AUDIO L+ AUDIO R- AUDIO SHIELD BLK WIRE BLK/WHT WIRE BRN WIRE CAN A H CAN A L COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM DVD PLAYER FUSE 86 HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT REAR DISPLAY NCA WIRE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED/GRN WIRE RIGHT REAR DISPLAY SHIELD SIG VIDEO C VIDEO GND VIDEO Y YEL WIRE

BLK WIRE BRN WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT SAM CONTROL UNIT W/ FUSE/RELAY MODULE FUSE 13 GRN WIRE GRN/WHT WIRE HEATING ELEMENT TEMPERATURE SENSOR HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LH - NTC- RED/BLU WIRE STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL HEATER HEATING ELEMENT

AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CHASSIS CIRCUIT 87 RELAY COMPUTER DATA LINES SYSTEM DATA DISTRONIC ELECTRIC CONTROLLER UNIT, ELECTRO HYDRAULIC POWER STEERING ELECTRIC STEERING LOCK CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT EXTERIOR LIGHTS SWITCH FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) FROM FUSE 16 (DIAGRAM 4 OF 5) FROM FUSE 29 (DIAGRAM 4 OF 5) FROM FUSE 32 (DIAGRAM 4 OF 5) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUEL PUMP CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 1 FUSE 14 FUSE 19 FUSE 2 FUSE 20 FUSE 26 FUSE 27 FUSE 28 FUSE 3 FUSE 33 FUSE 34 FUSE 35 FUSE 36 FUSE 4 FUSE 5 FUSE 6 FUSE 7 GRN WIRE GRN/WHT WIRE HEADLAMP CONTROL UNIT INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT ME-SFI (ME) CONTROL UNIT PNK WIRE PNK/RED WIRE PNK/WHT WIRE RADIO CONTROL UNIT 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/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR CONTROL UNIT STARTER CIRCUIT 50 RELAY W/ KEYLESS GO W/O KEYLESS GO WHT/RED 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

AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BASS SPEAKER BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/WHT WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM DELETE BUTTON FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 11 GRN WIRE H/L HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HR - LVDS MIC - NAVI NAVI GND NAVI SHIELD NAVIGATION MODULE NCA WIRE ORG/ WIRE PNK WIRE RADIO RED WIRE RES+ RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER SHIELD TWEETER VL - VOICE VOICE (IN) VOICE GND VOICE SHIELD VR+ W/O SOUND SYSTEM 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