Mercedes-Benz GLS-class X166 (2015-2019) steering column module control unit Wiring diagrams

AUX SPLY BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B H IP CAN B L CAN C H CAN C L COMPUTER DATA LINES SYSTEM DIRECT SELECT LEVER ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT FUSE BOX FULLY INTEGRATED TRANSMISSION CONTROL UNIT (IN TRANSMISSION) FUSE 2 FUSE 20 GEAR IND GRN WIRE GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM GRY/BLK WIRE HOT AT ALL TIMES HOT W/ CIRCUIT INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INTERNAL INPUT SPEED RPM SENSOR LOWER CONTROL PANEL CONTROL UNIT LSP + LUBRICATING PRESSURE SOLENOID VALVE MULTIPLE FUSE 1 NOT P OUTPUT SHAFT RPM SENSOR PARK PAWL LIFT SOLENOID VALVE PARK PAWL POSITION SENSOR POWER DISTRIBUTION SYSTEM PRESSURE SENSOR PRND RED WIRE RED/BLK WIRE SAM CONTROL UNIT (RIGHT KICK PANEL) STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS (IN STEERING WHEEL) STEERING WHEEL UPSHIFT BUTTON TORQUE CONVERTER LOCKUP CLUTCH CONTROL SOLENOID VALVE TRANSMISSION MODE BUTTON TRANSMISSION MODE DISPLAY TURBINE WHEEL RPM SENSOR WORKING PRESSURE SOLENOID VALVE YEL WIRE

ACCEPT/TERMINATE PHONE CALL BUTTON AUDIO/COMAND CONTROL PANEL AUDIO/COMAND CONTROLLER BACK BUTTON BACK, VOICE CONTROL SYSTEM OFF BUTTON BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BUTTONS +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L COMPUTER DATA LINES SYSTEM DELETE BUTTON FUSE 1 FUSE 21 FUSE 5 FUSE 50 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT L OK LEFT FREE PROGRAMMING BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MULTIPLE FUSE 1 MULTIPLE FUSE 2 MUTE FUNCTION BUTTON MUTE SBS TEL ANSWER/ END CALL NCA WIRE OK BUTTON ORG/ WIRE R RETURN RED/BLK WIRE RED/WHT WIRE RIGHT FREE PROGRAMMING BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/BACK BUTTON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON U MFL L U MFL R UP/DOWN VOICE CONTROL SYSTEM ON BUTTON WHT WIRE

BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COCKPIT CIRCUIT 30 FUSE BOX COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FUSE 11 FUSE 19 FUSE 20 FUSE 228 FUSE 5 FUSE 53 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT HEATED WIPER BLADE LEFT HOSE HEATER LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT RAIN/LIGHT SENSOR RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT HEATED WIPER BLADE RIGHT HOSE HEATER SPRAY NOZZLE HEATER RELAY SPRAY NOZZLE HOSE HEATER STEERING COLUMN MODULE CONTROL UNIT UPPER SPRAY NOZZLE HOSE HEATER W/ STEERING HEATER, AUTOMATIC LANE RECOGNITION, ACTIVE LANE KEEPING ASSIST WHT WIRE WHT/BLU WIRE WINDSHIELD WASHER SYSTEM SWITCH WIPER SWITCH

BLU WIRE BRN WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM GRN WIRE GRN/WHT WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH LOW BEAM SWITCH OVERHEAD CONTROL PANEL CONTROL UNIT RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED/BLK WIRE RED/WHT WIRE RIGHT ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR RIGHT ACTIVE CURVE ILLUMINATION POSITION SENSOR RIGHT FRONT EXTERIOR LIGHTS LED ACTUATION MODULE RIGHT FRONT LAMP UNIT RIGHT HEADLAMP CONTROL UNIT RIGHT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR RIGHT HIGH BEAM, LOW BEAM (LONG RANGE) RIGHT LED DRIVING LIGHTS ACTUATION MODULE FAN MOTOR RIGHT LIGHT DISTRIBUTION ACTUATOR MOTOR RIGHT LIGHT DISTRIBUTION POSITION SENSOR RIGHT LOW BEAM (SHORT RANGE) STEERING COLUMN MODULE CONTROL UNIT YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN B L IP COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FUSE 114 FUSE 229 FUSE 231 FUSE 250 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HEAD LAMP RANGE CONTROLLER HEADLAMP FLASHER/ HIGH BEAM SWITCH HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER INTERIOR PREFUSE BOX LDS 1 LDS 2 LDS 3 LEFT FRONT LAMP UNIT LEFT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR LEFT HIGH BEAM LEFT LOW BEAM LOW BEAM INDICATOR LAMP LOW BEAM SWITCH LWR OVERHEAD CONTROL PANEL CONTROL UNIT RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FOG LIGHT BUTTON REAR FUSE BOX RED/BLK WIRE RED/WHT WIRE RIGHT FRONT LAMP UNIT RIGHT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR RIGHT HIGH BEAM RIGHT LOW BEAM SAM CONTROL UNIT (RIGHT KICK PANEL) STEERING COLUMN MODULE CONTROL UNIT SWITCH ILLUMINATION WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

ACTIVE ROLL STABILIZATION CONTROL UNIT AIRMATIC CONTROL UNIT BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CHASSIS GATEWAY CONTROL UNIT COLLISION PREVENTION ASSIST CONTROLLER UNIT DISTRONIC ELECTRIC CONTROLLER UNIT ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FR BM 1 FR BP 1 GRN WIRE GRN/WHT WIRE LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT OUTER REAR BUMPER INTEGRATED RADAR SENSOR PNK WIRE RADAR SENSORS CONTROL UNIT RED/BLK WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT OUTER REAR BUMPER INTEGRATED RADAR SENSOR STEERING COLUMN MODULE CONTROL UNIT STEREO MULTI-FUNCTION CAMERA SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ ADS PLUS W/O ADS PLUS YAW RATE SENSOR FOR LATERAL, LONGITUDINAL ACCELERATION YEL WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CENTER HORNS BUTTON COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FANFARE HORN RELAY FUSE 20 FUSE 205 FUSE 5 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LEFT FANFARE HORN LEFT FANFARE HORN SYSTEM BUTTON RED WIRE RED/BLK WIRE REL FF RELAY ENERGIZED RIGHT FANFARE HORN RIGHT FANFARE HORN SYSTEM BUTTON SAM CONTROL UNIT (RIGHT KICK PANEL) STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT STEERING WHEEL ELECTRONICS WHT WIRE

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FUSE 11 FUSE 157 FUSE 19 FUSE 20 FUSE 235 FUSE 5 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ INSTRUMENT CLUSTER LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH REAR FUSE BOX REAR WINDOW WIPER RELAY RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED SAM CONTROL UNIT (RIGHT KICK PANEL) STEERING COLUMN MODULE CONTROL UNIT TAILGATE WIPER MOTOR WAHZG WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM SWITCH WIPER PARK HEATER WIPER PARK POSITION HEATER RELAY WIPER SWITCH WP H(+) WP V(+)

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER AIR BAG SQUIB 1 DRIVER AIR BAG SQUIB 2 DRIVER KNEE BAG SQUIB DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH FRONT PASSENGER AIR BAG SQUIB 1 FRONT PASSENGER AIR BAG SQUIB 2 FRONT PASSENGER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH FRONT PASSENGER SEAT POSITION DETECTION SWITCH GRN WIRE GRN/YEL WIRE GRY/BLK WIRE INSTRUMENT CLUSTER KB- LEFT FRONT DOOR PRESSURE SENSOR PNK WIRE RED/BLK WIRE RIGHT FRONT DOOR PRESSURE SENSOR SEAT BELT WARNING LAMP IND STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL CLOCK SPRING CONTACT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM INDICATOR LAMP VIO WIRE VIO/WHT WIRE YEL WIRE