Mercedes-Benz GLC-class AMG X253 (2016-2019) steering column module control unit Wiring diagrams

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLS GND PAS GND BLU/BLK WIRE BLU/YEL WIRE BM 1 BP 1 BRAKE VACUUM SENSOR BRN WIRE BRN/BLK WIRE CAN H L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE DZS HL H DZS HL L DZS HR H DZS HR L DZS VL H DZS VL L DZS VR H ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FLEX RAY FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE INTAKE BALL VALVE REAR AXLE INTAKE BALL VALVE FRONT AXLE SWITCHOVER VALVE FRONT PRESSURE SENSOR FUSE 1 FUSE 121 FUSE 200 FUSE 213 FUSE 329 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLU WIRE HIGH PRESSURE, RETURN PUMP HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED K LINE LEFT FRONT PRESSURE REGULATOR VALVE (HOLD) LEFT FRONT PRESSURE REGULATOR VALVE (RELEASE) LEFT REAR PRESSURE REGULATOR VALVE (HOLD) LEFT REAR PRESSURE REGULATOR VALVE (RELEASE) MOT L+(-) 31 MOT L-(+) MOT R+(-) MOT R-(+) DZS VR L ORG/BLU WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/GRN WIRE REAR AXLE SWITCHOVER VALVE REAR PRESSURE SENSOR RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT PRESSURE REGULATOR VALVE (HOLD) RIGHT FRONT PRESSURE REGULATOR VALVE (RELEASE) RIGHT REAR PRESSURE REGULATOR VALVE (HOLD) RIGHT REAR PRESSURE REGULATOR VALVE (RELEASE) SIG SPECIAL-PURPOSE VEHICLE MULTIFUNCTION CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ANGLE SENSOR STOP LAMP SWITCH SW 1 SW 2 SW 3 SW 4 TAXIMETER (IF EQUIPPED) TRACTION SYSTEM HYDRAULIC UNIT TWO-WAY RADIO UB S UB V VAC GND VAC PUMP L BLS SUP VAC SUP VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE

AUDIO/COMAND CONTROL PANEL AUX SUPPLY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN A H CAN A L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DIRECT SELECT LEVER DYNAMIC SELECT SWITCH ELECTRONIC IGNITION SWITCH CONTROL UNIT FANFARE HORNS, AIR BAG CLOCKSPRING CONTACT FLEXRAY E 1 BP PNK FLEXRAY E 1 BM WIRE FULLY INTEGRATED TRANSMISSION CONTROL UNIT (IN BOTTOM OF TRANSMISSION) FUSE 10 FUSE 329 GRN WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER INTERNAL INPUT SPEED RPM SENSOR LEFT LOWER CONTROL PANEL LIN LSP + LUBRICATING PRESSURE SOLENOID MANUAL SHIFT MODE BUTTON OUTPUT SHAFT RPM SENSOR PARK PAWL LIFT SOLENOID PARK PAWL POSITION SENSOR PASSENGER-SIDE A-PILLAR FUSE BOX PRESSURE SENSOR RED WIRE RED/YEL WIRE STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON TORQUE CONVERTER LOCKUP CLUTCH SOLENOID TURBINE WHEEL RPM SENSOR VEHICLE INTERIOR PREFUSE BOX WHT WIRE WORKING PRESSURE SOLENOID YEL WIRE YEL/WHT WIRE

ACCEPT/ TERMINATE PHONE CALL BUTTON BACK BUTTON BLK WIRE BLK/WHT WIRE BRN WIRE BUTTONS +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL CAN A H CAN A L COMPUTER DATA LINES SYSTEM FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FLEX RAY 1 BM FLEX RAY 1 BP GRN WIRE GRN/ORG WIRE GRY/BLU WIRE L OK L RETURN LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LIN MUTE FUNCTION BUTTON MUTE VCS NCA WIRE OK BUTTON PNK WIRE RED WIRE RED/WHT WIRE RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS SYSTEM SELECTION BUTTON TEL TOUCHPAD U MFL R UP/DOWN V MFL L VIO WIRE VOICE CONTROL SYSTEM OFF BUTTON W/O LIVE TRAFFIC INFORMATION WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/PNK WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT CONTROL UNIT DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR FLEXRAY 1 BP FUSE 305 FUSE 327 FUSE 329 GRN WIRE GRY/BLK WIRE HK SL VL HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT BACKREST RELEASE/INCLINATION MICROSWITCH M+ (-) PASSENGER-SIDE A-PILLAR FUSE BOX PNK FLEXRAY 1 BM WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RESUME FROM MEMORY SWITCH SEATS SYSTEM SIG STEERING COLUMN MEMORY CIRCUIT STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/BLK WIRE WHT WIRE YEL WIRE YEL/GRN WIRE

AUTOMATIC DIMMING MIRROR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER EL VL FLEXRAY 1 BP FUSE 302 FUSE 329 GRN WIRE GRY WIRE GRY/WHT WIRE H NEIG SIG HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR HORIZONTAL INCLINATION ADJUSTMENT POTENTIOMETER HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED MIRROR HEATER NEIG HOR NEIG VER OUTSIDE MIRROR FOLD IN/ FOLD OUT ELECTRIC MIRROR PASSENGER-SIDE A-PILLAR FUSE BOX PNK FLEXRAY 1 BM WIRE RED WIRE RED/BLU WIRE RESUME FROM MEMORY SWITCH RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP SPG ABBL SPG F SPG G STEERING COLUMN MODULE CONTROL UNIT TA B (+) TA W (+) V NEIG SIG VERTICAL INCLINATION ADJUSTMENT ACTUATOR MOTOR VERTICAL INCLINATION ADJUSTMENT POTENTIOMETER VIO WIRE WHT WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU/PNK WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER FLEXRAY 1 BP FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR FUSE 306 FUSE 328 FUSE 329 GRN WIRE GRY/BLK WIRE HK SL VL HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED M+ (-) PASSENGER-SIDE A-PILLAR FUSE BOX PNK FLEXRAY 1 BM WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RESUME FROM MEMORY SWITCH RIGHT BACKREST RELEASE/INCLINATION MICROSWITCH SEATS SYSTEM SIG STEERING COLUMN MODULE CONTROL UNIT VIO WIRE WHT WIRE YEL WIRE YEL/GRN WIRE

AIR BODY CONTROL RELAY ALARM SIREN ANALOG CLOCK BLK WIRE BLK/RED WIRE BLK/VIO WIRE CLIMATE CONTROL OPERATING UNIT, UPPER CONTROL PANEL CONTROL UNIT CLIMATE CONTROL UNIT CONTROL UNIT) COOLANT PUMP RELAY CPC RELAY DIAGNOSTIC CONNECTOR ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT TERMINAL 15 RELAY FANFARE HORN RELAY FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 6) FRONT SAM CONTROL UNIT FUSE 108 FUSE 109 FUSE 110 FUSE 111 FUSE 117 FUSE 121 FUSE 122 FUSE 125 FUSE 126 FUSE 127 FUSE 128 FUSE 129 FUSE 200 FUSE 201 FUSE 202 FUSE 204 FUSE 205 FUSE 206 FUSE 207 FUSE 208 FUSE 209 FUSE 210 FUSE 211 FUSE 213 FUSE 214 FUSE 216 FUSE 218 FUSE 219 FUSE 220 GLOW BOX LAMP INSTRUMENT CLUSTER K-F LEFT FRONT LAMP UNIT EXTERIOR LIGHTS SWITCH LEFT FRONT LAMP UNIT, RIGHT FRONT LAMP UNIT ME-SFI (ME) CONTROL UNIT N/A OIL PUMP RELAY ORG/BLU WIRE PNK/GRN WIRE PNK/RED WIRE RBA-1 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE RESERVE FUSE 116 RESERVE FUSE 123 RESERVE FUSE 124 RESERVE FUSE 215 STARTER STARTER CIRCUIT 50 RELAY STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 5 OF 6) VACUUM PUMP RELAY VIO/WHT (OR VIO/ WIRE VIO/WHT WIRE VOLTAGE DIP LIMITER W/ SEAT OCCUPANCY RECOGNITION WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WIPER MOTOR WIPER PARK POSITION HEATER RELAY YEL/RED WIRE

ADAPTIVE DAMPING SYSTEM CONTROL UNIT AIR BODY CONTROL UNIT BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM DISTRONIC ELECTRIC CONTROLLER UNIT DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FR 1 BM FR 1 BP FR 2 BM FR 2 BP FR 3 BM FR 3 BP FR 4 BM FR 4 BP FR 5 BP FROM DRIVER-SIDE FUSE, RELAY MODULE (DIAGRAM 2 OF 6) FULLY INTEGRATED TRANSMISSION CONTROL UNIT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HF SIG ISM LEFT FRONT DOOR CONTROL UNIT PARK PAWL CAPACITOR PNK FR 5 BM WIRE PNK WIRE RADAR SENSORS CONTROL UNIT RED/BLU WIRE RED/GRN WIRE SIG STEERING COLUMN MODULE CONTROL UNIT STEREO MULTI-FUNCTION CAMERA W/ ACTIVE LANE KEEPING ASSIST W/ AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS YEL WIRE YEL/WHT WIRE

ADAPTIVE DAMPING SYSTEM AIR BODY CONTROL UNIT AUDIO/COMAND CONTROL PANEL AUDIO/COMAND DISPLAY BLK WIRE BOOSTER BLOWER ELECTRONIC BLOWER REGULATOR CONTROL UNIT) DRIVER SEAT CONTROL UNIT DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP DRIVETRAIN CONTROL UNIT, ME-SFI (ME) CONTROL UNIT ELECTRIC BRAKE CONTROL ELECTRICAL CONNECTOR ELECTRONIC DIFFERENTIAL CONTROL UNIT FROM FUSE 325 (DIAGRAM 6 OF 6) FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 6) FRONT SAM CONTROL UNIT FRONT SEAT HEATER CONTROL UNIT, FRONT PASSENGER SEAT CONTROL UNIT FUSE 302 FUSE 303 FUSE 305 FUSE 306 FUSE 308 FUSE 309 FUSE 310 FUSE 311 FUSE 312 FUSE 314 FUSE 315 FUSE 316 FUSE 317 FUSE 318 FUSE 320 FUSE 322 FUSE 323 FUSE 324 FUSE 325 FUSE 326 FUSE 327 FUSE 328 FUSE 329 FUSE 330 FUSE 331 FUSE 332 FUSE 333 FUSE 334 FUSE 336 FUSE 337 FUSE 338 FUSE 339 FUSE 340 FUSE 341 HEAD UNIT HEAD-UP DISPLAY LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT REAR DOOR CONTROL UNIT, REAR CONTROL UNIT MONO MULTI-FUNCTION CAMERA MULTIMEDIA CONNECTION UNIT OVERHEAD CONTROL PANEL CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT, RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS PANORAMIC SLIDING ROOF CONTROL MODULE PARKING SYSTEM CONTROL UNIT (IF EQUIPPED) RADAR SENSORS CONTROL UNIT REAR AIR CONDITIONING OPERATING UNIT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR SLIDING ROOF CONTROL MODULE STATIONARY HEATER UNIT STEERING COLUMN MODULE CONTROL UNIT STEREO MULTI-FUNCTION CAMERA SUPPLEMENTAL RESTRAINT SYSTEM TIRE PRESSURE MONITOR CONTROL UNIT TO FUSE 324 (DIAGRAM 6 OF 6) TOUCHPAD W/ ACTIVE PARK ASSIST W/ AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS W/ PRE- SAFE

BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT FLEXRAY 1 BP FUSE 305 FUSE 329 FUSE 406 GRN WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP M+ (-) PASSENGER-SIDE A-PILLAR FUSE BOX PNK FLEXRAY 1 BM WIRE REAR FUSE, RELAY MODULE RED WIRE SIG STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN IN/OUT ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN) VIO WIRE VIO/BLK WIRE