Mercedes-Benz GLC-class X253 (2015-2019) front sam control unit Wiring diagrams

360 DEGREE CAMERA BUTTON 360 DEGREE CAMERA CONTROL UNIT BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP FRONT END 360 DEGREE CAMERA FRONT SAM CONTROL UNIT FUSE 339 FUSE 417 GRN WIRE HEAD UNIT HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT OUTSIDE MIRROR 360 DEGREE CAMERA LIN 1 NCA WIRE ORG/ WIRE RBA-1 REAR END 360 DEGREE CAMERA REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT OUTSIDE MIRROR 360 DEGREE CAMERA RX- SHIELD TERMINATION YEL WIRE YEL/WHT WIRE

BBV VR BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM WARNING IND LAMP ESP/ASR OFF WARNING IND LAMP FOOTWELL ILLUMINATION SWITCH FRONT SAM CONTROL UNIT FUSE 454 FUSE 465 FUSE 466 GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ VEHICLE INTERIOR TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT ELECTRIC PARKING BRAKE ACTUATOR MOTOR LEFT FRONT AXLE RPM SENSOR LEFT REAR AXLE RPM SENSOR NCA WIRE PEDAL OPERATION MONITOR BUZZER PEDAL OPERATION MONITOR SWITCH PNK/GRN WIRE POWER DISTRIBUTION SYSTEM PWR-1 RBA-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT ELECTRIC PARKING BRAKE ACTUATOR MOTOR RIGHT FRONT AXLE RPM SENSOR RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR AXLE RPM SENSOR RIGHT REAR BRAKE WEAR SENSOR SIG WHT WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE

ALTERNATOR BATTERY SENSOR BLK WIRE BLK/BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DVD CHANGER CHARGING BUTTON ENGINE COMPARTMENT PREFUSE BOX FRONT SAM CONTROL UNIT GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER LIN 1 LIN RBA-1 ME-SFI (ME) CONTROL MODULE MULTI-FUNCTION DISPLAY NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY RED WIRE STARTING CIRCUIT UPPER CONTROL PANEL CONTROL UNIT YEL WIRE YEL/WHT WIRE

BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L CAN B L RBA-1 CAN C H CAN C L CAN HMI H CAN HMI L CLIMATE CONTROL CONTROL UNIT COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COOLANT LEVEL SWITCH COOLANT TEMPERATURE GAUGE COOLANT TEMPERATURE SENSOR COOLANT TEMPERATURE WARNING LAMP COOLANT THERMOSTAT HEATING ELEMENT DRIVETRAIN CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE FAN MOTOR (BEHIND RADIATOR) FRONT SAM CONTROL UNIT FUSE 101 FUSE 120 FUSE 207 FUSE 315 FUSE 7 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ HOT W/ CPC RELAY ENERGIZED INSTRUMENT CLUSTER INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FUSE, RELAY MODULE ME-SFI (ME) CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT PURGE CONTROL VALVE PWR-1 RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE REG RELAY ENERGIZED RIGHT A-PILLAR FUSE BOX SIG SIG GND TMOT WAPU+ WHT/BLU WIRE YEL WIRE YEL/WHT WIRE

BRN WIRE BRN/RED WIRE CAMERA COVER CONTROL UNIT CAN B H CAN B L CAN B L RBA-1 CLIMATE CONTROL OPERATING UNIT CLIMATE CONTROL UNIT FRONT SAM CONTROL UNIT GRN WIRE GRN/WHT WIRE GRY/RED WIRE LEFT FRONT DOOR CONTROL UNIT LEFT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR LEFT REAR DOOR CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT PNK WIRE PNK/WHT WIRE REAR AIR CONDITIONING OPENING UNIT REAR SAM CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT RIGHT REAR DOOR CONTROL UNIT STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER TAILGATE CONTROL UNIT TRUNK LID CONTROL UNIT VIO WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

ACTIVE LANE KEEPING ASSIST BUTTON AUXILIARY HEATER HEATING ELEMENT BRN WIRE BRN/RED WIRE CAN B H CAN B L RBA-1 CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP FRONT SAM CONTROL UNIT FUSE 325 GRN WIRE GRN/WHT WIRE HEM (+) HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LIN 1 LIN 1 COC MONO MULTI-FUNCTION CAMERA RED/BRN WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT FUSE 312 FUSE 317 GRN WIRE GRY WIRE HALL SENSOR 1 HALL SENSOR 2 HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED MOT- MOTOR OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE PANORAMIC SLIDING ROOF CONTROL UNIT PANORAMIC SLIDING ROOF HALL SENSOR 1 PANORAMIC SLIDING ROOF HALL SENSOR 2 PANORAMIC SLIDING ROOF MOTOR PANORAMIC SLIDING ROOF ROLLER SUN BLIND DRIVE UNIT RBA-1 RED WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX ROOF SWITCH VIO WIRE

AUDIO/COMAND CONTROL PANEL BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN A H CAN A L CAN B H CAN B L CENTER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR CENTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR CENTER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR CENTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR COC COMPUTER DATA LINES SYSTEM DATA WE 2 DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FEED FEED WE 2 FLEXRAY 1 BM FLEXRAY 1 BP FLEXRAY 1/2 BM FLEXRAY 1/2 BP FRONT SAM CONTROL UNIT FUSE 323 FUSE 331 FUSE 339 GND WE 2 GRN WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INNER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR INNER LEFT REAR PARKING SYSTEM DISTANCE SENSOR INNER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR INNER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR LEFT LOWER CONTROL PANEL LIN 1 OUTER LEFT FRONT PARKING SYSTEM DISTANCE SENSOR OUTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR OUTER RIGHT FRONT PARKING SYSTEM DISTANCE SENSOR OUTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR PARKING SYSTEM BUTTON PARKING SYSTEM CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) PNK WIRE RBA-1 REAR PARKING SYSTEM INDICATOR RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT LOWER CONTROL PANEL W/ AIRMATIC, AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS W/O AIRMATIC, AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS WHT WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BBV VR BCL SW DR(-) BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH BRAKE FLUID, PARKING BRAKE INDICATOR LAMP BRAKE SYSTEM WARNING LAMP BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN B L RBA-1 CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE SWITCH ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FRONT SAM CONTROL UNIT FUSE 1 FUSE 200 FUSE 208 FUSE 316 FUSE 465 FUSE 466 GRN WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK LEFT FRONT DOOR ROTARY TUMBLER SWITCH LEFT FUSE, RELAY MODULE MULTI-FUNCTION DISPLAY NCA WIRE PWR-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR BRAKE WEAR SENSOR SEAT BELT WARNING LAMP SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SW 1 SW 2 SW 3 SW 4 VIO WIRE VIO/WHT WIRE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE

BATTERY SENSOR BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM DIRECT SELECT LEVER ECO START/ STOP FUNCTION BUTTON (IF EQUIPPED) ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE FUSE, RELAY MODULE FLEX RAY 1 BM FLEX RAY 1 BP FRONT SAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 111 FUSE 127 GRN WIRE GRN/WHT WIRE HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LEFT LOWER CONTROL PANEL LIN RBA-1 ME-SFI (ME) CONTROL UNIT NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY P R N D PNK FLEX RAY 1 BP WIRE PNK WIRE RED WIRE RIGHT LOWER CONTROL PANEL SEB STARTER STARTER CIRCUIT 50 RELAY STEERING COLUMN MODULE CONTROL UNIT STR+ VIO WIRE VIO/WHT WIRE VOLTAGE DIP LIMITER YEL WIRE YEL/RED WIRE