Mercedes-Benz SLK-class AMG R172 (2011-2016) steering column module control unit Wiring diagrams

ACCEPT/ TERMINATE PHONE CALL BUTTON AM/FM ANT ANT GPS ANT UCI AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLK/WHT WIRE BLU WIRE BLUETOOTH ANTENNA BRN WIRE BUTTONS +, - FOR SETTING SPECIFIC FUNCTION, VOLUME CONTROL CAN A H CAN A L CAN E H CAN E L COMAND CONTROL UNIT COMPUTER DATA LINES SYSTEM DATA DELETE BUTTON FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FM/TMC ANTENNA SPLITTER GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HANDS-FREE SYSTEM MICROPHONE INSIDE REARVIEW MIRROR MICROPHONE LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MEDIA INTERFACE ELECTRICAL CONNECTOR MUTE BUTTON NAVIGATION MODULE CRADLE NCA WIRE OK BUTTON ORG/ WIRE PNK WIRE RED WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACKWARD BUTTON SHIELD STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON TMC TV TUNER CIRCUIT USB ELECTRICAL CONNECTOR VIO WIRE VOICE CONTROL SYSTEM ON BUTTON W/ NAVIGATION W/O NAVIGATION WHT WIRE YEL WIRE

ACCELERATE, SET SWITCH ACCEPT/TERMINATE PHONE CALL BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BUTTON +, - SETTING OF SPECIFIC FUNCTIONS, VOLUME CONTROL CAN E H CAN E L CENTER HORNS BUTTON COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DISTRONIC CONTROL (IF EQUIPPED) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 13 FUSE 28 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HEATING ELEMENT TEMPERATURE SENSOR HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INDICATOR SWITCH LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON LOW BEAM SWITCH MUTE BUTTON NCA WIRE NTC- OFF SWITCH OK BUTTON ORG/BLK WIRE PNK WIRE RED WIRE RED/BLK WIRE RESUME FROM MEMORY SWITCH RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON SCROLL FORWARD/ BACK BUTTON STEERING COLUMN ADJUSTMENT SWITCH (IF EQUIPPED) STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ANGLE SENSOR STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL HEATER INDICATOR LAMP (IF EQUIPPED) STEERING WHEEL HEATER SWITCH (IF EQUIPPED) STEERING WHEEL UPSHIFT BUTTON STEERING WHEEL VIBRATION MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON TURN SIGNAL LAMP SWITCH VIO WIRE VOICE CONTROL SYSTEM ON BUTTON WHT WIRE WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE

ACCELERATE, SET SWITCH ACCEPT/TERMINATE PHONE CALL BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BUTTON +, - SETTING OF SPECIFIC FUNCTIONS, VOLUME CONTROL CAN E H CAN E L CENTER HORNS BUTTON COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DISTRONIC CONTROL (IF EQUIPPED) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 12 FUSE 13 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/BLU WIRE HEADLAMP FLASHER/HIGH BEAM SWITCH HEATING ELEMENT TEMPERATURE SENSOR HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INDICATOR SWITCH LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON LOW BEAM SWITCH MUTE BUTTON NCA WIRE NTC- OFF SWITCH OK BUTTON ORG/BLK WIRE PNK WIRE RED WIRE RED/BLK WIRE RESUME FROM MEMORY SWITCH RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON SCROLL FORWARD/ BACK BUTTON STEERING COLUMN ADJUSTMENT SWITCH (IF EQUIPPED) STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ANGLE SENSOR STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL HEATER INDICATOR LAMP (IF EQUIPPED) STEERING WHEEL HEATER SWITCH (IF EQUIPPED) STEERING WHEEL UPSHIFT BUTTON STEERING WHEEL VIBRATION MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON TURN SIGNAL LAMP SWITCH VIO WIRE VOICE CONTROL SYSTEM ON BUTTON WHT WIRE WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM FRONT PREFUSE BOX FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 152 FUSE 161 GRN WIRE GRN/WHT WIRE HEADLAMP CLEANING SYSTEM PUMP HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER RED WIRE RED/VIO WIRE SIG STEERING COLUMN MODULE CONTROL UNIT WINDSHIELD WASHER SYSTEM SWITCH WIPER SWITCH

ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE CAN C H CAN C L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM FRONT PREFUSE BOX FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 13 FUSE 152 FUSE 161 FUSE 18 FUSE 29 FUSE 30 FUSE 4 GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH LOW BEAM SWITCH HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR HIGH BEAM LAMP HIGH BEAM SOLENOID HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT DAYTIME RUNNING LAMP, LEFT FOG LAMP LEFT FRONT LAMP UNIT LEFT REAR LEVEL SENSOR (W/O VEHICLE DYNAMICS) (IN LEFT REAR WHEELWELL) LOW BEAM LAMP ORG/ WIRE ORG/WHT WIRE RED WIRE RIGHT DAYTIME RUNNING LAMP RIGHT FOG LAMP STEERING COLUMN MODULE CONTROL UNIT VIO WIRE W/ XENON LAMPS W/O XENON LAMPS WHT/BLK WIRE WHT/RED WIRE XENON BULB W/ INTEGRATED IGNITION MODULE XENON LAMP CONTROL UNIT XENON LAMP POWER SUPPLY UNIT YEL/BLK WIRE YEL/RED WIRE

BLK WIRE BRN WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 13 GRN WIRE GRN/WHT WIRE HEATING ELEMENT TEMPERATURE SENSOR HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED NCA WIRE NTC- RED WIRE STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL HEATER INDICATOR LAMP STEERING WHEEL HEATER SWITCH

BLK WIRE BRN WIRE CAN B H CAN B L CAN E H CAN E L CENTRE HORNS BUTTON COMPUTER DATA LINES SYSTEM FANFARE HORN RELAY FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT PREFUSE BOX FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 152 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT FANFARE HORN LEFT FANFARE HORN SYSTEM BUTTON RED WIRE RIGHT FANFARE HORN RIGHT FANFARE HORN SYSTEM BUTTON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS

ANTI-THEFT ALARM SYSTEM/ EMERGENCY CALL SYSTEM BUTTON GROUP AUTOMATIC TRANSMISSION MODE BUTTON BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN C H CAN C L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE SWITCH ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FRONT VEHICLE INTERIOR POWER OUTLET FUSE 13 FUSE 16 FUSE 28 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INFO LED IRS LED INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION BRIGHTNESS CONTROL LIN (ROOF) NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE RED WIRE RED/VIO WIRE RED/YEL WIRE SOS LED STEERING COLUMN MODULE CONTROL UNIT VIO WIRE W/O INTERIOR PROTECTION W/ INTERIOR PROTECTION WHT WIRE WS LED ASS LED YEL/VIO WIRE

BLK WIRE BLU WIRE BLU/ORG WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 13 FUSE 62 GRN WIRE GRN/WHT WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT DOOR CONTROL UNIT LEFT SEAT ADJUSTMENT SWITCH GROUP LS HS V/Z(+) LS HS(-) LSHS H/T(+) LSM H/T LSM V/Z LSM V/Z/H/T ORG/ WIRE PNK WIRE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RED/VIO WIRE RED/WHT WIRE STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN IN/OUT ADJUSTMENT MOTOR STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR WHT WIRE YEL/BLK WIRE

BACKUP RELAY BLK WIRE BLK/GRN WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM FRONT PREFUSE BOX FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FUSE 10 FUSE 13 FUSE 152 FUSE 18 GRN WIRE GRN/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LIN (ROOF) 31 NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT RAIN/LIGHT SENSOR RED WIRE RED/VIO WIRE RELAY ENERGIZED SIG SPRAY NOZZLE HOSE HEATER STEERING COLUMN MODULE CONTROL UNIT VIO WIRE WINDSHIELD WASHER SYSTEM FLUID LEVEL SWITCH WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM SWITCH WIPER MOTOR WIPER PARK HEATER (IF EQUIPPED) WIPER SWITCH