Mercedes-Benz GLC-class Coupe C253 (2016-2019) emergency call system control unit Wiring diagrams

'ON' BUTTON AGILITY SELECT SWITCH AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER BACK BUTTON BACK GROUND AUDIO BUTTON BLK/WHT WIRE BLU WIRE BRN WIRE CAN A H CAN A L CAN-D H CAN-D L COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES DSR ECO START/STOP FUNCTION BUTTON EMERGENCY CALL SYSTEM CONTROL UNIT GPS GRN WIRE GRY WIRE GRY/BLK WIRE HERMES CONTROL UNIT HOME, FAVORITES BUTTON HSD LEFT LOWER CONTROL PANEL LIN LTE MIC - MIC 1 GND MIC 1+ MIC GND MUTE NCA WIRE OFF-ROAD OPERATING PANEL ORG/ WIRE PARKING SYSTEM BUTTON PNK/BLK WIRE RED WIRE RED/PNK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT LOWER CONTROL PANEL SHIELD SHIELD HSD SIG SOUND AMPLIFIER CIRCUIT SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM TEL TELEMATICS SERVICES COMMUNICATION MODULE TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH TELEPHONE/GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER TOUCH PAD VBUS VEHICLE LEVEL BUTTON VIO WIRE VIO/GRN WIRE VOLUME CONTROL BUTTON W/ EMERGENCY CALL SYSTEM W/ HERMES W/ HERMES LTE W/ PREINSTALLATION FOR TAXI ANTENNA W/ SOUND SYSTEM W/O EMERGENCY CALL SYSTEM W/O HERMES W/O SOUND SYSTEM WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE

'ON' BUTTON AGILITY SELECT SWITCH AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER BACK BUTTON BACK GROUND AUDIO BUTTON BLK/WHT WIRE BLU WIRE BRN WIRE CAN A H CAN A L CAN-D H CAN-D L COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES DSR ECO START/STOP FUNCTION BUTTON EMERGENCY CALL SYSTEM CONTROL UNIT GPS GRN WIRE GRY WIRE GRY/BLK WIRE HERMES CONTROL UNIT HOME, FAVORITES BUTTON HSD LEFT LOWER CONTROL PANEL LIN LTE MIC - MIC 1 GND MIC 1+ MIC GND MUTE NCA WIRE OFF-ROAD OPERATING PANEL ORG/ WIRE PARKING SYSTEM BUTTON PNK/BLK WIRE RED WIRE RED/PNK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT LOWER CONTROL PANEL SHIELD SHIELD HSD SIG SOUND AMPLIFIER CIRCUIT SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM TEL TELEMATICS SERVICES COMMUNICATION MODULE TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH TELEPHONE/GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER TOUCH PAD VBUS VEHICLE LEVEL BUTTON VIO WIRE VIO/GRN WIRE VOLUME CONTROL BUTTON W/ EMERGENCY CALL SYSTEM W/ HERMES W/ HERMES LTE W/ PREINSTALLATION FOR TAXI ANTENNA W/ SOUND SYSTEM W/O EMERGENCY CALL SYSTEM W/O HERMES W/O SOUND SYSTEM WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN 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

AMPS/CDMA AMPS/DVMA BRAKE DOWN ASSISTANCE BUTTON BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN-D H CAN-D L CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM ANTENNA EMERGENCY CALL SYSTEM CONTROL UNIT FUSE 309 GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GPS GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAD UNIT HOT AT ALL TIMES MB INFO BUTTON MIC 1 GND MIC 1+ MUTE NCA WIRE NRS OUT OVERHEAD CONTROL PANEL CONTROL UNIT PNK/BLK WIRE RED WIRE RIGHT A-PILLAR FUSE BOX SHIELD SOS BUTTON SOUND SYSTEM AMPLIFIER CONTROL UNIT SUPPLEMENTAL RESTRAINTS SYSTEM TELEPHONE ANTENNA SPLITTER VIO WIRE W/ SOUND SYSTEM W/O SOUND SYSTEM WHT WIRE

BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER INSTRUMENT PANEL SPEAKER EMERGENCY CALL SYSTEM CONTROL UNIT GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE HERMES CONTROL UNIT LEFT FOOTWELL WOOFER LEFT FRONT DOOR MIDRANGE SPEAKER LEFT FRONT DOOR TWEETER LEFT REAR SURROUND SOUND SYSTEM MIDRANGE SPEAKER MUTE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE RIGHT FOOTWELL WOOFER RIGHT REAR SURROUND SOUND SYSTEM MIDRANGE SPEAKER TELEMATICS SERVICES COMMUNICATION MODULE VIO WIRE VIO/BLK WIRE W/ HERMES W/ TELEMATICS W/ EMERGENCY CALL SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK 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 LIN 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