Mercedes-Benz GLC-class X253 (2015-2019) upper control panel control unit Wiring diagrams

30 LIN ALARM SIREN ATA (EDM)/TOWING SENSOR/ INTERIOR MOTION SENSOR CONTROL UNIT ATA (EDW) FUNCTION IND BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM EMERGENCY ALARM SYSTEM "CANCEL" BUTTON EMERGENCY ALARM SYSTEM "TRIGGER" BUTTON EMERGENCY ALARM SYSTEM CANCEL BUTTON RESISTOR FUSE 202 FUSE 312 FUSE 326 FUSE 432 HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER INTERIOR LAMP AUTOMATIC FUNCTION BUTTON INTERIOR PROTECTION SWITCH LEFT FRONT DOOR INTERIOR PROTECTION SENSOR LEFT FUSE, RELAY MODULE LEFT REAR INTERIOR PROTECTION SENSOR MULTI-FUNCTION DISPLAY OFF OVERHEAD CONTROL PANEL CONTROL UNIT POWER DISTRIBUTION SYSTEM REAR FUSE, RELAY MODULE REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT DOOR INTERIOR PROTECTION SENSOR RIGHT REAR INTERIOR PROTECTION SENSOR SPECIAL-PURPOSE VEHICLE MULTI-FUNCTION CONTROL UNIT UPPER CONTROL PANEL CONTROL UNIT YEL WIRE YEL/WHT WIRE

ALTERNATOR BATTERY SENSOR BLK WIRE BLK/BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DVD CHANGER CHARGING BUTTON ENGINE COMPARTMENT PREFUSE BOX FRONT SAM CONTROL UNIT GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER LIN 1 LIN RBA-1 ME-SFI (ME) CONTROL MODULE MULTI-FUNCTION DISPLAY NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY RED WIRE STARTING CIRCUIT UPPER CONTROL PANEL CONTROL UNIT YEL WIRE YEL/WHT WIRE

'MEDIA' BUTTON 'NAVI' BUTTON 'RADIO' BUTTON 'TEL' BUTTON AUDIO/COMAND DISPLAY BLK WIRE BLK/WHT WIRE BLU WIRE BREAK DOWN ASSISTANCE BUTTON BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L CD/DVD SINGLE DRIVE BUTTON COMPUTER DATA LINES SYSTEM DVD CHANGER CHARGING BUTTON FUSE 309 FUSE 322 FUSE 324 FUSE 329 FUSE 331 FUSE 334 GRN WIRE HEAD UNIT HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LVDS RX+ LVDS TX- MB INFO BUTTON MOST DATA BUS CIRCUIT MOST IN MOST OUT MULTIMEDIA CONNECTION UNIT NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX SHIELD SIG SOS BUTTON SOUND SYSTEMS TERMINATION UPPER CONTROL PANEL CONTROL UNIT VIO WIRE W/ ENGINE SOUND CONTROL W/ LIVE TRAFFIC INFORMATION W/ MULTIMEDIA W/O ENGINE SOUND CONTROL W/O LIVE TRAFFIC INFORMATION W/O MULTIMEDIA WAKE-UP WHT/YEL WIRE YEL WIRE

'MEDIA' BUTTON 'NAVI' BUTTON 'RADIO' BUTTON 'TEL' BUTTON AUDIO/COMAND DISPLAY BLK WIRE BLK/WHT WIRE BLU WIRE BREAK DOWN ASSISTANCE BUTTON BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L CD/DVD SINGLE DRIVE BUTTON COMPUTER DATA LINES SYSTEM DVD CHANGER CHARGING BUTTON FUSE 309 FUSE 322 FUSE 324 FUSE 329 FUSE 331 FUSE 334 GRN WIRE HEAD UNIT HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LVDS RX+ LVDS TX- MB INFO BUTTON MOST DATA BUS CIRCUIT MOST IN MOST OUT MULTIMEDIA CONNECTION UNIT NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX SHIELD SIG SOS BUTTON SOUND SYSTEMS TERMINATION UPPER CONTROL PANEL CONTROL UNIT VIO WIRE W/ ENGINE SOUND CONTROL W/ LIVE TRAFFIC INFORMATION W/ MULTIMEDIA W/O ENGINE SOUND CONTROL W/O LIVE TRAFFIC INFORMATION W/O MULTIMEDIA WAKE-UP WHT/YEL WIRE YEL WIRE

AUDIO/COMAND CONTROL PANEL BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN A H CAN A L CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM EL VL ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT EXTERIOR LIGHTS SWITCH FUSE 208 FUSE 209 FUSE 326 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/VIO WIRE GRY/BLU WIRE HAZARD WARNING SYSTEM BUTTON HEADLAMP RANGE CONTROLLER HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FUSE, RELAY MODULE LEFT LICENSE PLATE LAMP LEFT TURN SIGNAL IND LAMP LIN 1 MIRRORS SYSTEM PAS GND PNK WIRE POWER DISTRIBUTION SYSTEM REAR FOG LAMP BUTTON RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) RIGHT LICENSE PLATE LAMP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP RIGHT TURN SIGNAL IND LAMP SIG STANDING LAMPS IND LAMP STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) UPPER CONTROL PANEL CONTROL UNIT VAC PUMP L VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

AUDIO/COMAND CONTROL PANEL BACKUP LAMPS CIRCUIT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE BU HL BU HR CAN A H CAN A L CAN B H CAN B L CAN B L RBA-1 COMPUTER DATA LINES SYSTEM DIAG DIAG HR EL VL EXCEPT LIMOUSINE FRA HL FRA HR FRA-L HL FRA-R FUSE 209 FUSE 326 FUSE 466 465 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD WARNING SYSTEM BUTTON HGB R HGB-L HD HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LAMP LEFT BACKUP LAMP LEFT FUSE, RELAY MODULE LEFT REAR FOG LAMP LEFT REAR LAMP UNIT LEFT REAR TURN SIGNAL LAMP LEFT STOP LAMP LEFT TAIL LAMP LIMOUSINE MARKER MIRRORS SYSTEM NSL NSL-L ORG/ WIRE POWER DISTRIBUTION SYSTEM PWR-1 PWR-2 RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT BACKUP LAMP RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP RIGHT REAR LAMP UNIT RIGHT REAR TURN SIGNAL LAMP RIGHT STOP LAMP RIGHT TAIL LAMP SL HD SL HL SL HR SML SML HL SML HR UPPER CONTROL PANEL CONTROL UNIT VIO WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

AUDIO/COMAND CONTROL PANEL BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLS-SUP VAC PUMP L BLU WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN A H CAN A L CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM EL VL ELECTRONIC STABILITY PROGRAM CONTROL UNIT FUSE 208 FUSE 209 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE HAZARD WARNING SYSTEM BUTTON HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FUSE, RELAY MODULE LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR AMBIENT LAMP LEFT OUTSIDE MIRROR TURN SIGNAL LAMP LEFT TURN SIGNAL IND LAMP MIRRORS SYSTEM RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP CONTROL UNIT RIGHT LED SIGNALING LIGHTS ACTUATION MODULE FAN MOTOR RIGHT PARKING LIGHT, STANDING LIGHT, DAYTIME RUNNING LIGHT RIGHT TURN SIGNAL IND LAMP SIG SIG BLS-GND PAS GND STANDING LAMPS IND LAMP STOP LAMP SWITCH UPPER CONTROL PANEL CONTROL UNIT VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

ATA (EDW)/TOWING SENSOR/ INTERIOR MOTION SENSOR CONTROL UNIT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND DISPLAY BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L CAN HMI H CAN HMI L DRIVER SEAT CONTROL UNIT FRONT PASSENGER SEAT CONTROL UNIT HEAD UNIT KEYLESS-GO CONTROL UNIT LEFT LOWER CONTROL PANEL RIGHT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR RIGHT LOWER CONTROL PANEL SPECIAL VEHICLE MULTI-FUNCTION CONTROL UNIT (SVMCU(MSS)) TELEMATICS CAN (CAN A) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR TOUCHPAD UPPER CONTROL PANEL CONTROL UNIT YEL WIRE YEL/WHT WIRE

'MEDIA' BUTTON 'NAVI' BUTTON 'ON' BUTTON 'RADIO' BUTTON 'TEL' BUTTON 360 DEGREE CAMERA BUTTON ACTIVE LANE KEEPING ASSIST BUTTON AGILITY SELECT SWITCH ATA (EDW) FUNCTION INDICATOR FRONT PASSENGER AIRBAG ON INDICATOR LAMP AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER BACK BUTTON BACK GROUND AUDIO BUTTON BELT EXTENDER BUTTON BLK/RED WIRE BLK/WHT WIRE BRN WIRE CAN A H CAN A L CAN HMI H CAN HMI L CD/DVD SINGLE DRIVE BUTTON COC BEL COC SW COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES DR (+) DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP DSR DSR SIG DVD CHANGER CHARGING BUTTON DYNAMIC SELECT SWITCH (IF EQUIPPED) ECO START/STOP FUNCTION BUTTON FRONT PASSENGER AIRBAG OFF INDICATOR LAMP FUSE 209 FUSE 331 FUSE 336 FUSE 339 GRY/BLK WIRE GRY/GRN WIRE HAZARD WARNING SYSTEM BUTTON HEAD-UP DISPLAY BUTTON HOME, FAVORITES BUTTON HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FUSE, RELAY MODULE LEFT LOWER CONTROL PANEL LIN 1 OFFROAD OPERATING PANEL PARKING SYSTEM BUTTON POWER DISTRIBUTION SYSTEM RED WIRE RED/PNK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT LOWER CONTROL PANEL SIG OFFROAD SPORT EXHAUST SYSTEM BUTTON STEER ASSIST BUTTON SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SYSTEM TOUCH PAD UPPER CONTROL PANEL CONTROL UNIT VEHICLE BUTTON VEHICLE LEVEL BUTTON VIO/GRN WIRE VOLUME CONTROL BUTTON WHT WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

AB DR STAGE 1- AB DR STAGE 2+ AB FPS STAGE 1+ AB FPS STAGE 2+ AUDIO/COMAND CONTROL PANEL BELT EXTENDER BUTTON BLK WIRE BLK/YEL WIRE BLU WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM DRIVER ETR (GUS) SQUIB DRIVER KNEE BAG SQUIB EMERGENCY CALL SYSTEM CONTROL UNIT EXHST V FPS(+) FRONT PASSENGER AIR BAG BLEED VALVE SQUIB FRONT PASSENGER AIR BAG SQUIB 1 FRONT PASSENGER AIR BAG SQUIB 2 FRONT PASSENGER KNEE BAG SQUIB FRONT PASSENGER SEAT OCCUPIED RECOGNITION FRONT PASSENGER SIDE BAG SQUIB FUSE 209 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HERMES CONTROL UNIT HOT AT ALL TIMES LEFT FUSE, RELAY MODULE PASSENGER AIR BAG OFF IND LAMP PASSENGER AIR BAG ON IND LAMP PNK WIRE PNK/BLK WIRE PNK/GRN WIRE PNK/YEL WIRE RED/WHT WIRE RIGHT LOWER CONTROL PANEL UPPER CONTROL PANEL CONTROL UNIT USA VIO WIRE VIO/YEL WIRE W/ SEAT OCCUPANCY RECOGNITION W/O SEAT OCCUPANCY RECOGNITION WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT WIRE YEL WIRE