Mercedes-Benz E-class W212/S212/C207/A207 facelift (2013-2016) buttons +, - setting specific function, volume control Wiring diagrams

10 4 9 5 3 8 1 7 2 6 +,- OK R,RTN U-MLL-L 58 GND U-MFL-R +,- MUTE TEL ACCEPT/ TERMINATE PHONE CALL BUTTON ANTENNA AMPLIFIER BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BLUETOOTH ANTENNA BRN WIRE BRN/ORG WIRE BUTTONS +, - SETTING SPECIFIC FUNCTION, VOLUME CONTROL COMPUTER DATA LINES SYSTEM FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HANDS-FREE SYSTEM MICROPHONE INSIDE REARVIEW MIRROR INSIDE STEERING WHEEL) KEYLESS GO ANTENNA AMPLIFIER LEFT "C" PILLAR) LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MUTE MUTE BUTTON NCA WIRE OK BUTTON OK BUTTON BACK BUTTON ORG/ WIRE PNK 1 2 3 4 WIRE PNK WIRE PNK/BLU WIRE R,RTN RED WIRE RIGHT FRONT DOOR BASS SPEAKER RIGHT FRONT DOOR TWEETER RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL BACK, VOICE FORWARD/ CONTROL SYSTEM BACK BUTTON OFF BUTTON SCROLL FORWARD/ SEDAN STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS STEERING WHEEL ELECTRONICS (INSIDE STEERING WHEEL) SYSTEM SELECTION BUTTON TEL U MFL R U MLL L VOICE CONTROL SYSTEM ON BUTTON VOICE CONTROL SYSTEM SELECTION SYSTEM ON BUTTON BUTTON W/ NAVIGATION WAGON WHT WIRE YEL WIRE

10 4 9 5 3 8 1 7 2 6 +,- OK R,RTN U-MLL-L 58 GND U-MFL-R +,- MUTE TEL ACCEPT/ TERMINATE PHONE CALL BUTTON ANTENNA AMPLIFIER BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BLUETOOTH ANTENNA BRN WIRE BRN/ORG WIRE BUTTONS +, - SETTING SPECIFIC FUNCTION, VOLUME CONTROL COMPUTER DATA LINES SYSTEM FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HANDS-FREE SYSTEM MICROPHONE INSIDE REARVIEW MIRROR INSIDE STEERING WHEEL) KEYLESS GO ANTENNA AMPLIFIER LEFT "C" PILLAR) LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MUTE MUTE BUTTON NCA WIRE OK BUTTON OK BUTTON BACK BUTTON ORG/ WIRE PNK 1 2 3 4 WIRE PNK WIRE PNK/BLU WIRE R,RTN RED WIRE RIGHT FRONT DOOR BASS SPEAKER RIGHT FRONT DOOR TWEETER RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL BACK, VOICE FORWARD/ CONTROL SYSTEM BACK BUTTON OFF BUTTON SCROLL FORWARD/ SEDAN STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS STEERING WHEEL ELECTRONICS (INSIDE STEERING WHEEL) SYSTEM SELECTION BUTTON TEL U MFL R U MLL L VOICE CONTROL SYSTEM ON BUTTON VOICE CONTROL SYSTEM SELECTION SYSTEM ON BUTTON BUTTON W/ NAVIGATION WAGON WHT WIRE YEL WIRE

10 4 9 5 3 8 1 7 2 6 +,- OK R,RTN U-MLL-L 58 GND U-MFL-R +,- MUTE TEL ACCEPT/ TERMINATE PHONE CALL BUTTON ANTENNA AMPLIFIER BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BLUETOOTH ANTENNA BRN WIRE BRN/ORG WIRE BUTTONS +, - SETTING SPECIFIC FUNCTION, VOLUME CONTROL COMPUTER DATA LINES SYSTEM FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HANDS-FREE SYSTEM MICROPHONE INSIDE REARVIEW MIRROR INSIDE STEERING WHEEL) KEYLESS GO ANTENNA AMPLIFIER LEFT "C" PILLAR) LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MUTE MUTE BUTTON NCA WIRE OK BUTTON OK BUTTON BACK BUTTON ORG/ WIRE PNK 1 2 3 4 WIRE PNK WIRE PNK/BLU WIRE R,RTN RED WIRE RIGHT FRONT DOOR BASS SPEAKER RIGHT FRONT DOOR TWEETER RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL BACK, VOICE FORWARD/ CONTROL SYSTEM BACK BUTTON OFF BUTTON SCROLL FORWARD/ SEDAN STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS STEERING WHEEL ELECTRONICS (INSIDE STEERING WHEEL) SYSTEM SELECTION BUTTON TEL U MFL R U MLL L VOICE CONTROL SYSTEM ON BUTTON VOICE CONTROL SYSTEM SELECTION SYSTEM ON BUTTON BUTTON W/ NAVIGATION WAGON WHT WIRE YEL WIRE

1 2 3 4 CD LVDS - RES LVDS + GND 1 2 3 4 GND LVDS + RES LVDS - 1 2 MOST OUT MOST IN 31 CAN A L ACCEPT/ TERMINATE PHONE CALL BUTTON ANT SAT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BUTTONS +, - SETTING SPECIFIC FUNCTION, VOLUME CONTROL CAN A H CAN A L CAN B H CAN B L CAN B L COMPUTER DATA LINES SYSTEM CAN B H 31 CAN-A H CAN-A L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR (IF EQUIPPED) COMPUTER DATA LINES SYSTEM DELETE BUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 11 FUSE 13 FUSE 26 FUSE 84 FUSE FUSE FUSE FUSE W/ FUSE, RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) GND CD GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED KEEP ON KEEP ON 14 15 16 LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LVDS MOBILE PHONE ELECTRICAL CONNECTOR MOBILE PHONE ELECTRICAL CONNECTOR (IF EQUIPPED), MOST MOST DATA BUS CIRCUIT MOST IN MOST IN MOST MOST OUT MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE PNK/BLU WIRE RADIO REAR SAM CONTROL MODULE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RES+ RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SAT SCROLL OK FORWARD/ BUTTON BACK BUTTON SDAR CONTROL UNIT/ HIGH DEFINITION TUNER SDAR CONTROL UNIT/ HIGH DEFINITION TUNER (LEFT SIDE OF LUGGAGE COMPT) SHIELD SHIELD ANT STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) SYSTEM SELECTION BUTTON VOICE CONTROL SYSTEM ON BUTTON W/ DIRECT SELECT W/O DIRECT SELECT WAKE UP MOST DATA 1 2 3 4 BUS CIRCUIT MOST OUT MOST IN WAKE-UP WHT WIRE YEL WIRE

1 2 3 4 CD LVDS - RES LVDS + GND 1 2 3 4 GND LVDS + RES LVDS - 1 2 MOST OUT MOST IN 31 CAN A L ACCEPT/ TERMINATE PHONE CALL BUTTON ANT SAT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BUTTONS +, - SETTING SPECIFIC FUNCTION, VOLUME CONTROL CAN A H CAN A L CAN B H CAN B L CAN B L COMPUTER DATA LINES SYSTEM CAN B H 31 CAN-A H CAN-A L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR (IF EQUIPPED) COMPUTER DATA LINES SYSTEM DELETE BUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 11 FUSE 13 FUSE 26 FUSE 84 FUSE FUSE FUSE FUSE W/ FUSE, RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) GND CD GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED KEEP ON KEEP ON 14 15 16 LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LVDS MOBILE PHONE ELECTRICAL CONNECTOR MOBILE PHONE ELECTRICAL CONNECTOR (IF EQUIPPED), MOST MOST DATA BUS CIRCUIT MOST IN MOST IN MOST MOST OUT MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE PNK/BLU WIRE RADIO REAR SAM CONTROL MODULE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RES+ RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SAT SCROLL OK FORWARD/ BUTTON BACK BUTTON SDAR CONTROL UNIT/ HIGH DEFINITION TUNER SDAR CONTROL UNIT/ HIGH DEFINITION TUNER (LEFT SIDE OF LUGGAGE COMPT) SHIELD SHIELD ANT STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) SYSTEM SELECTION BUTTON VOICE CONTROL SYSTEM ON BUTTON W/ DIRECT SELECT W/O DIRECT SELECT WAKE UP MOST DATA 1 2 3 4 BUS CIRCUIT MOST OUT MOST IN WAKE-UP WHT WIRE YEL WIRE

1 2 3 4 CD LVDS - RES LVDS + GND 1 2 3 4 GND LVDS + RES LVDS - 1 2 MOST OUT MOST IN 31 CAN A L ACCEPT/ TERMINATE PHONE CALL BUTTON ANT SAT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER AUDIO/COMAND DISPLAY BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BUTTONS +, - SETTING SPECIFIC FUNCTION, VOLUME CONTROL CAN A H CAN A L CAN B H CAN B L CAN B L COMPUTER DATA LINES SYSTEM CAN B H 31 CAN-A H CAN-A L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR (IF EQUIPPED) COMPUTER DATA LINES SYSTEM DELETE BUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (PART OF STEERING COLUMN MODULE) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 11 FUSE 13 FUSE 26 FUSE 84 FUSE FUSE FUSE FUSE W/ FUSE, RELAY MODULE (RIGHT SIDE OF LUGGAGE COMPT) GND CD GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED KEEP ON KEEP ON 14 15 16 LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LVDS MOBILE PHONE ELECTRICAL CONNECTOR MOBILE PHONE ELECTRICAL CONNECTOR (IF EQUIPPED), MOST MOST DATA BUS CIRCUIT MOST IN MOST IN MOST MOST OUT MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE PNK/BLU WIRE RADIO REAR SAM CONTROL MODULE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RES+ RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SAT SCROLL OK FORWARD/ BUTTON BACK BUTTON SDAR CONTROL UNIT/ HIGH DEFINITION TUNER SDAR CONTROL UNIT/ HIGH DEFINITION TUNER (LEFT SIDE OF LUGGAGE COMPT) SHIELD SHIELD ANT STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) SYSTEM SELECTION BUTTON VOICE CONTROL SYSTEM ON BUTTON W/ DIRECT SELECT W/O DIRECT SELECT WAKE UP MOST DATA 1 2 3 4 BUS CIRCUIT MOST OUT MOST IN WAKE-UP WHT WIRE YEL WIRE