Emergency call circuit for Mercedes-Benz GLK-class X204 facelift (2012-2015)

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