Mercedes-Benz GLC-class Coupe C253 (2016-2019) head unit Wiring diagrams

'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

AM/FM BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLUETOOTH ANTENNA BRN WIRE CAN A H CAN A L PNK ETN TX+ WIRE CAN HMI H CAN HMI L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR COMPUTER DATA LINES SYSTEM DIAGNOSTIC CONNECTOR ETN RX+ ETN TX+ FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FM 2 FM 2, DAB BAND III ANTENNA AMPLIFIER GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GPS GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE HANDS-FREE SYSTEM MICROPHONE HEAD UNIT INSIDE REAR VIEW MIRROR LEFT "C" PILLAR) LEFT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER LEFT REAR SIDE WALL COVER MIDRANGE SPEAKER LEFT/RIGHT FOOTWELL WOOFER LVDS HU TX+ LVDS RX+ MIC - MIC 1 IN+ MIC 2 IN+ MIC GND MOBILE PHONE CONTACT PLATE MOBILE PHONE, STATIONARY HEATER RADIO REMOTE CONTROL ANTENNA SPLITTER NAVIGATION SYSTEM NCA WIRE ORG/ WIRE PNK WIRE RIGHT END OF DASH) RIGHT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER RIGHT REAR SIDE WALL COVER MIDRANGE SPEAKER RX- SHIELD SHIELD AMFM SHIELD GPS-BT SIG PNK (+) WIRE TERMINATION VIO WIRE VIO/BLK WIRE W-LAN W-LAN ANTENNA W/O ENGINE SOUND CONTROL WAKE-UP WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE

BLU WIRE BRN WIRE CAN-D H CAN-D L DIAGNOSTIC CONNECTOR ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT ETN RX+ ETN TX+ FUSE 204 GRN WIRE GRY WIRE GRY/WHT WIRE HEAD UNIT HERMES CONTROL UNIT HOT AT ALL TIMES K LINE LEFT FUSE, RELAY MODULE ORG/ WIRE PNK WIRE RED/GRN WIRE TELEMATICS SERVICES COMMUNICATION MODULE W/ EMERGENCY CALL/ ASSISTANCE SYSTEM W/ HERMES W/ TELEMATICS WAKEUP WHT WIRE WHT/BLK WIRE YEL/GRY WIRE

BLK WIRE BRN WIRE DIAGNOSTIC CONNECTOR DRIVE TRAIN SENSOR CAN (CAN 1) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR ELECTRONIC STABILITY PROGRAM CONTROL UNIT FRONT PASSENGER SIDE BAG SQUIB HEAD UNIT LEFT BACKREST/RELEASE INCLINATION LEFT FRONT ILLUMINATED DOOR SILL MOLDING (IF EQUIPPED), LEFT REAR INTERIOR PROTECTION SENSOR ON-BOARD ELECTRICAL SYSTEM BATTERY, BATTERY SENSOR

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 LIN 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

AM AMPLIFIER W/ SELECTION SWITCH AM/FM BLK WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L CENTER CONSOLE KEYLESS GO ANTENNA COMPUTER DATA LINES SYSTEM DIAG DIAG AMFM EXCEPT CONVERTIBLE FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FUSE 458 FUSE 460 FUSE 461 FZV GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/YEL WIRE HD O HD U HEAD UNIT HOT AT ALL TIMES INSTRUMENT CLUSTER KEYLESS-GO CONTROL UNIT KPA HL SIG KPS HR SIG KPS VL SIG KPS VR SIG LEFT FRONT DOOR KEYLESS GO ANTENNA LEFT FRONT KEYLESS GO DOOR HANDLE LEFT REAR DOOR KEYLESS GO ANTENNA LEFT REAR KEYLESS GO DOOR HANDLE MULTI-FUNCTION DISPLAY NCA WIRE PNK/BLU WIRE PNK/GRY WIRE REAR FUSE, RELAY MODULE REAR SWITCHING MODULE REAR SWITCHING MODULE LOWER SENSOR REAR SWITCHING MODULE UPPER SENSOR REAR WINDOW ANTENNA RED WIRE RIGHT FRONT DOOR KEYLESS GO ANTENNA RIGHT FRONT KEYLESS GO DOOR HANDLE RIGHT REAR DOOR KEYLESS GO ANTENNA RIGHT REAR KEYLESS GO DOOR HANDLE TRUNK KEYLESS GO ANTENNA WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE

HEAD UNIT MOST IN MOST OUT NCA WIRE ORG/ WIRE SOUND SYSTEM AMPLIFIER CONTROL UNIT TUNER UNIT W/ SIRIUS SATELLITE RADIO, DIGITAL RADIO, TV TUNER W/ SIRIUS SATELLITE RADIO, DIGITAL RADIO, TV TUNER, SOUND SYSTEM W/ SOUND SYSTEM WAKE-UP

ALARM SIREN AMBIENT LAMP ATA (EDW)/TOWING SENSOR/ INTERIOR MOTION SENSOR CONTROL UNIT BLK WIRE BLK/WHT WIRE BRN WIRE BRN/BLK WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FUSE 202 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY WIRE HANDS-FREE SYSTEM MICROPHONE HEAD UNIT HOT AT ALL TIMES INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR DIMMING LEFT FRONT DOOR INTERIOR PROTECTION SENSOR LEFT FUSE, RELAY MODULE LEFT READING LAMP LEFT REAR INTERIOR PROTECTION SENSOR MIC 1 IN+ MIC 2 IN+ NCA WIRE ORG/ WIRE PNK WIRE REAR WINDOW GLASS BREAKAGE SENSOR REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/WHT WIRE RIGHT FRONT DOOR INTERIOR PROTECTION SENSOR RIGHT READING LAMP RIGHT REAR INTERIOR PROTECTION SENSOR SHIELD VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE CAN A H CAN A L COMPUTER DATA LINES SYSTEM ENGINE SOUND CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) FUSE 319 FUSE 423 FUSE 424 FUSE 462 GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE HEAD UNIT HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED IN FL- IN FR- IN RL- IN RR- LINE 1- LINE 2- LINE 3- LINE 4- MID FL (-) MID FR (-) MID RL- MID RR- MOST DATA BUS CIRCUIT MOST IN MOST OUT MUTE NCA WIRE ORG/ WIRE ORG/BLK WIRE OUT FL- OUT FR+ OUT RL- OUT RR- PNK WIRE PNK/BLK WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RIGHT A-PILLAR FUSE BOX SOUND SYSTEM AMPLIFIER CONTROL UNIT SUB FL- SUB FR- SURL- SURR- VIO WIRE VIO/BLK WIRE WAKE-UP WAKEUP WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

BLU WIRE BRN WIRE COUPE, CONVERTIBLE, SUV, SEDAN LIMOUSINE W/ DIGITAL RADIO (DAB) COUPE, CONVERTIBLE, SUV, SEDAN LIMOUSINE W/ TV TUNER DAB FM 2, DAB BAND III ANTENNA AMPLIFIER FM 2, DAB, TV 1 ANTENNA AMPLIFIER FUSE 414 GRN WIRE HEAD UNIT HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT "C" PILLAR) LVDS HU TX+ LVDS RX+ MOST DATA BUS CIRCUIT MOST IN MOST OUT NCA WIRE ORG/ WIRE REAR FUSE, RELAY MODULE RED/WHT WIRE SDARS SDARS ANTENNA (W/ SIRIUS SATELLITE RADIO) SEDAN EXCEPT LIMOUSINE W/ DIGITAL RADIO (DAB) SEDAN EXCEPT LIMOUSINE W/ TV TUNER SEDAN EXCEPT LIMOUSINE W/ TV TUNER, DIGITAL RADIO (DAB) SHIELD TERMINATION TERMINATION EA TUNER UNIT TV 1, DAB BAND III ANTENNA (RIGHT "A" PILLAR) TV 2 ANTENNA AMPLIFIER (W/ TV TUNER) (RIGHT "A" PILLAR) TV 3 ANTENNA AMPLIFIER (RIGHT "A" PILLAR) TV, DAB ANTENNA SPLITTER WAKE-UP