Mercedes-Benz E-class W212/S212/C207/A207 facelift (2013-2016) emergency call system control unit Wiring diagrams

1 2 3 4 5 6 1 2 3 IRS-OFF IRS LED 16 30 GND SIG 17 18 COMPUTER DATA LINES SYSTEM CAN B L CAN B H 3 1 2 LIN 1 30 31 30 31 5 CAN B H CAN B L EWD 30 DATA 5 6 ASS LED ASS OFF 6 5 4 3 2 1 TOWING SENSOR BUTTON ALARM SIREN ALARM SIREN (W/ ANTI-THEFT ALARM SYSTEM) (REAR OF RIGHT FRONT WHEELWELL) ANTI-THEFT ALARM SYSTEM INDICATOR LAMP ASS LED ASS OFF ATA INTERIOR PROTECTION/ TOW-AWAY PROTECTION SWITCH BLK WIRE BLK/GRY WIRE BLK/ORG WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B L CAN-B H CAN-B L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM DATA DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EMERGENCY CALL SYSTEM BUTTON EMERGENCY CALL SYSTEM CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT OF LUGGAGE COMPT) EWD FRONT ELECTRICAL PREFUSE BOX FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 152 FUSE 18 FUSE 46 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HORNS SYSTEM HOT AT ALL TIMES INFO INFO LED INSTRUMENT CLUSTER INSTRUMENT PANEL SWITCH GROUP INTERIOR PROTECTION SENSOR (MASTER) INTERIOR PROTECTION SENSOR (MASTER) (UNDER CENTER CONSOLE) INTERIOR PROTECTION SENSOR (SLAVE) INTERIOR PROTECTION SENSOR (SLAVE) (BETWEEN REAR SEATS) INTERIOR PROTECTION SWITCH IRS LED IRS-OFF LEFT FRONT DOOR CONTROL UNIT LIN 1 LIN 2 LIN 2 SIG MULTI-FUNCTION DISPLAY NCA WIRE OVERHEAD CONTROL PANEL ELECTRONICS PEDESTRIAN PROTECTION HALL SENSOR PEDESTRIAN PROTECTION HALL SENSOR, ENGINE HOOD ATA (EDW) SWITCH PNK WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE REAR SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (IN SPARE WHEELWELL) REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE SHIELD SIG SOS SOS LED SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) TOWING SENSOR BUTTON VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/PNK WIRE WHT WIRE WS LED YEL WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO WIRE

ALARM SIREN ALARM SIREN (W/ ANTI-THEFT ALARM SYSTEM) (REAR OF RIGHT FRONT WHEELWELL) ANTI-THEFT ALARM SYSTEM INDICATOR LAMP BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BRN WIRE BRN) (OR YEL/ BRN/RED WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B L CAN B L CAN B H COMPUTER DATA LINES SYSTEM COUPE COUPE, SEDAN, WAGON DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EMERGENCY CALL SYSTEM CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT OF LUGGAGE COMPT) GND 30 GND 30 16 30 SIG MHS LI GRN WIRE GRN/WHT WIRE GRY/YEL WIRE INFO INFO LED INSTRUMENT PANEL SWITCH GROUP INTERIOR PROTECTION SWITCH LEFT FRONT DOOR CONTROL UNIT LIN 1 OFF OFF INTERIOR PROTECTION SWITCH OVERHEAD CONTROL PANEL CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT (OVERHEAD CONTROL OVERHEAD CONTROL PANEL ELECTRONICS PEDESTRIAN PROTECTION HALL SENSOR PEDESTRIAN PROTECTION HALL SENSOR, ENGINE HOOD ATA (EDW) SWITCH PNK WIRE REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE SEDAN WAGON SIG MHS LI SOS SOS LED SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TOWING SENSOR BUTTON UPPER CONTROL PANEL CONTROL UNIT WHT WIRE WS LED YEL WIRE YEL/VIO WIRE

ALARM SIREN ALARM SIREN (W/ ANTI-THEFT ALARM SYSTEM) (REAR OF RIGHT FRONT WHEELWELL) ANTI-THEFT ALARM SYSTEM INDICATOR LAMP BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BRN WIRE BRN) (OR YEL/ BRN/RED WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B L CAN B L CAN B H COMPUTER DATA LINES SYSTEM COUPE COUPE, SEDAN, WAGON DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EMERGENCY CALL SYSTEM CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT OF LUGGAGE COMPT) GND 30 GND 30 16 30 SIG MHS LI GRN WIRE GRN/WHT WIRE GRY/YEL WIRE INFO INFO LED INSTRUMENT PANEL SWITCH GROUP INTERIOR PROTECTION SWITCH LEFT FRONT DOOR CONTROL UNIT LIN 1 OFF OFF INTERIOR PROTECTION SWITCH OVERHEAD CONTROL PANEL CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT (OVERHEAD CONTROL OVERHEAD CONTROL PANEL ELECTRONICS PEDESTRIAN PROTECTION HALL SENSOR PEDESTRIAN PROTECTION HALL SENSOR, ENGINE HOOD ATA (EDW) SWITCH PNK WIRE REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE SEDAN WAGON SIG MHS LI SOS SOS LED SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TOWING SENSOR BUTTON UPPER CONTROL PANEL CONTROL UNIT WHT WIRE WS LED YEL WIRE YEL/VIO WIRE

ALARM SIREN ALARM SIREN (W/ ANTI-THEFT ALARM SYSTEM) (REAR OF RIGHT FRONT WHEELWELL) ANTI-THEFT ALARM SYSTEM INDICATOR LAMP BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BRN WIRE BRN) (OR YEL/ BRN/RED WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE CAN B H CAN B L CAN B L CAN B H COMPUTER DATA LINES SYSTEM COUPE COUPE, SEDAN, WAGON DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EMERGENCY CALL SYSTEM CONTROL UNIT EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT OF LUGGAGE COMPT) GND 30 GND 30 16 30 SIG MHS LI GRN WIRE GRN/WHT WIRE GRY/YEL WIRE INFO INFO LED INSTRUMENT PANEL SWITCH GROUP INTERIOR PROTECTION SWITCH LEFT FRONT DOOR CONTROL UNIT LIN 1 OFF OFF INTERIOR PROTECTION SWITCH OVERHEAD CONTROL PANEL CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT (OVERHEAD CONTROL OVERHEAD CONTROL PANEL ELECTRONICS PEDESTRIAN PROTECTION HALL SENSOR PEDESTRIAN PROTECTION HALL SENSOR, ENGINE HOOD ATA (EDW) SWITCH PNK WIRE REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE SEDAN WAGON SIG MHS LI SOS SOS LED SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TOWING SENSOR BUTTON UPPER CONTROL PANEL CONTROL UNIT WHT WIRE WS LED YEL WIRE YEL/VIO WIRE

1 2 3 4 5 6 7 8 9 10 11 12 ANST (-) 1 2 3 4 5 6 7 8 RR+ FR+ 1 2 3 4 GND USB- USB BUS USB+ 1 2 3 4 MOST OUT MOST IN 6 7 8 9 10 11 12 CAN A L MIC 2+ GND MIC - ANST AUX JACK ELECTRICAL CONNECTOR BACKUP CAMERA (IF EQUIPPED) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN A H CAN A L CAN B H CAN B L CAN B L MUTE CAN B H 31 CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR COMAND CONTROL UNIT COMAND FAN MOTOR COMAND FAN MOTOR (LEFT CENTER OF DASH) COMPUTER DATA LINES SYSTEM DIAG ELECTRICAL CONNECTOR, EMERGENCY CALL SYSTEM CONTROL UNIT FL- RL- FRONT SAM FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 26 FUSE 26 CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/YEL WIRE HEADPHONES ELECTRICAL CONNECTOR HEADPHONES ELECTRICAL CONNECTOR (W/ SPLITVIEW) HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED KEEP ON LEFT FRONT DOOR BASS SPEAKER LEFT FRONT DOOR TWEETER LEFT REAR DOOR BASS SPEAKER LEFT REAR DOOR TWEETER LEFT REAR LEFT REAR DOOR DOOR BASS TWEETER SPEAKER MEDIA INTERFACE ELECTRICAL CONNECTOR MEDIA INTERFACE ELECTRICAL CONNECTOR (IF EQUIPPED) MIC - MIC 2+ MOBILE PHONE ELECTRICAL CONNECTOR MOBILE PHONE ELECTRICAL CONNECTOR (IF EQUIPPED), MOST DATA BUS CIRCUIT MOST IN MOST OUT MUTE NCA NCA WIRE NCA WIRE ORG/ WIRE PNK 1 2 3 4 WIRE PNK 1 2 3 MIC 1+ SHIELD MIC + WIRE PNK MIC 1+ WIRE PNK WIRE RED/GRY WIRE RED/YEL WIRE RIGHT REAR DOOR BASS SPEAKER RIGHT REAR DOOR TWEETER RR FR SHIELD SHIELD SIG SHIELD VC SIG SIG SHIELD SIG SHIELD USB USB BUS USB ELECTRICAL CONNECTOR USB USB VIO WIRE WAGON WAKE-UP WHT WIRE YEL WIRE

1 2 MOST MOST OUT MOST IN MOST DATA BUS CIRCUIT BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER INSTRUMENT PANEL SPEAKER COUPE COUPE CONVERTIBLE EMERGENCY CALL SYSTEM CONTROL UNIT FUSE 67 GRN WIRE GRY WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LCT LEFT DOOR BASS SPEAKER LEFT DOOR BASS SPEAKER LEFT DOOR SPEAKER LEFT DOOR SPEAKER LEFT DOOR TWEETER LEFT REAR BASS SPEAKER LEFT REAR SPEAKER LEFT REAR SURROUND SPEAKER LEFT REAR TWEETER MOST DATA BUS CIRCUIT MOST DATA WAKE UP (-) BUS CIRCUIT MOST IN MOST MOST OUT MUTE NCA WIRE ORG/ WIRE PNK PNK WIRE PNK WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED/BLU WIRE RIGHT DOOR BASS SPEAKER RIGHT DOOR RIGHT DOOR TWEETER BASS SPEAKER RIGHT DOOR SPEAKER RIGHT DOOR SPEAKER RIGHT DOOR TWEETER RIGHT REAR BASS SPEAKER RIGHT REAR BASS SPEAKER RIGHT REAR SPEAKER RIGHT REAR SHELF BASS SPEAKER RIGHT REAR SPEAKER RIGHT REAR SURROUND SPEAKER RIGHT REAR SURROUND SPEAKER, REAR SHELF BASS SPEAKER RIGHT REAR TWEETER SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM AMPLIFIER CONTROL UNIT (LEFT SIDE OF LUGGAGE COMPT) VIO WIRE WAKE-UP WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 MOST MOST OUT MOST IN MOST DATA BUS CIRCUIT BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER INSTRUMENT PANEL SPEAKER COUPE COUPE CONVERTIBLE EMERGENCY CALL SYSTEM CONTROL UNIT FUSE 67 GRN WIRE GRY WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LCT LEFT DOOR BASS SPEAKER LEFT DOOR BASS SPEAKER LEFT DOOR SPEAKER LEFT DOOR SPEAKER LEFT DOOR TWEETER LEFT REAR BASS SPEAKER LEFT REAR SPEAKER LEFT REAR SURROUND SPEAKER LEFT REAR TWEETER MOST DATA BUS CIRCUIT MOST DATA WAKE UP (-) BUS CIRCUIT MOST IN MOST MOST OUT MUTE NCA WIRE ORG/ WIRE PNK PNK WIRE PNK WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED/BLU WIRE RIGHT DOOR BASS SPEAKER RIGHT DOOR RIGHT DOOR TWEETER BASS SPEAKER RIGHT DOOR SPEAKER RIGHT DOOR SPEAKER RIGHT DOOR TWEETER RIGHT REAR BASS SPEAKER RIGHT REAR BASS SPEAKER RIGHT REAR SPEAKER RIGHT REAR SHELF BASS SPEAKER RIGHT REAR SPEAKER RIGHT REAR SURROUND SPEAKER RIGHT REAR SURROUND SPEAKER, REAR SHELF BASS SPEAKER RIGHT REAR TWEETER SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM AMPLIFIER CONTROL UNIT (LEFT SIDE OF LUGGAGE COMPT) VIO WIRE WAKE-UP WHT WIRE YEL WIRE YEL/BLK WIRE

BASS SPEAKER BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER INSTRUMENT PANEL SPEAKER EMERGENCY CALL SYSTEM CONTROL UNIT FUSE 67 FUSE 69 GRN WIRE GRY WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HOT W/ QUIESENT CURRENT CUTOUT RELAY ENERGIZED IN (-) LCT LEFT REAR SURROUND SPEAKER MOST DATA BUS CIRCUIT MOST IN MOST MOST OUT MUTE NCA WIRE ORG/ WIRE PNK WIRE REAR BASS SPEAKER AMPLIFIER (UNDER LEFT CENTER OF HAT SHELF) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/GRY WIRE RIGHT REAR SURROUND SPEAKER SEDAN SHIELD SIG SOUND SYSTEM AMPLIFIER CONTROL UNIT TRACER WIRE CONNECTOR SLEEVE VIO WIRE WAGON WAKE-UP WHT WIRE YEL WIRE