Mercedes-Benz C-class W204/S204/С204 facelift (2011-2015) left multi-function steering wheel button group Wiring diagrams

1 2 MOST 1 2 MOST OUT MOST IN ANT AUDIO/COMAND AUDIO/COMAND CONTROL PANEL BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAN A H CAN A L CAN E H CAN E L COMPUTER DATA LINES SYSTEM CONTROLLER DAB DELETE BUTTON DIGITAL AUDIO BROADCASTING CONTROL UNIT (GLK CLASS: CENTER FRONT OF CARGO AREA) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (TOP OF STEERING COLUMN) FM, AM, CL ANTENNA AMPLIFIER (CENTER FRONT OF ROOF) FRONT SAM CONTROL MODULE W/ FUSE FUSE FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MOST DATA BUS CIRCUIT MUTE BUTTON NCA WIRE OK BUTTON ORG/ WIRE PNK MUTE WIRE REAR WINDOW ANTENNA FM ANTENNA AMPLIFIER (BASE OF LEFT "C" PILLAR) RED WIRE RED/BLU WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON SHIELD STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON TEL VOICE CONTROL SYSTEM ON BUTTON WAKE-UP WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 CAN-E L CAN-E H 31 30 1 2 ALDW+ ALDW- 1 2 LH+ LH- 1 2 NTC + NTC - 2 3 GND LSP- 2 3 LSP+ GND BACK, VOICE CONTROL SYSTEM OFF BUTTON BEAM SWITCH BLK WIRE BLU WIRE BRN WIRE CENTER HORNS BUTTON COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH RESUME FROM MEMORY SWITCH ACCELERATE, SET SWITCH DISTRONIC CONTROL (IF EQUIPPED) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT SAM CONTROL UNIT W/ FUSE CONTROL UNIT W/ FUSE/RELAY MODULE (RIGHT SIDE OF TRUNK) FUSE FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HEATING ELEMENT TEMPERATURE SENSOR HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INDICATOR SWITCH LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LH+/ALDW+ LH-/ALDW- MUTE BUTTON OFF SWITCH OK BUTTON ORG/ WIRE PNK MUTE WIRE REAR SAM RED WIRE RED/BLU WIRE RED/ORG WIRE RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING ANGLE SENSOR STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL VIBRATION MOTOR (W/ AUTOMATIC LANE DETECTION) SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON TEL TURN SIGNAL LAMP SWITCH HEADLAMP FLASHER/HIGH BEAM SWITCH LOW VIO WIRE VOICE CONTROL SYSTEM ON BUTTON W/ STEERING WHEEL HEATER, AUTOMATIC LANE DETECTION WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE

BACK, VOICE CONTROL SYSTEM OFF BUTTON BASS SPEAKER BLK WIRE BLU WIRE BRN WIRE BRN/GRN WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 13 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT DOOR SPEAKER (W/O SOUND SYSTEM) LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MUTE BUTTON OK BUTTON ORG/ WIRE PNK MUTE WIRE RED WIRE RED/BLU WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON TEL TWEETER VOICE CONTROL SYSTEM ON BUTTON YEL WIRE