Mercedes-Benz GLA-class H247 (2019-2023) supplemental restraints system Wiring diagrams

ADDITIONAL BATTERY FUSE AIR CONDITIONING SYSTEM BL (+) BLK/ORG WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BUL (+) CAN B H CAN B H STERN CAN B L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM CRASH DCS DEFOGGER SYSTEM DIAG DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS ENGINE CONTROLS SYSTEM FUSE 104 FUSE 158 FUSE 165 GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM MOT (+) GND MOT MOT GND/(+) MOT- NAVIGATION SYSTEM ORG/BLK WIRE PNK/BLU WIRE PNK/GRY WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/YEL WIRE REL (+) SEATS SYSTEM SIG SML SUPPLEMENTAL RESTRAINTS SYSTEM TL (+) TL/PL (+) TRUNK, TAILGATE, FUEL DOORS SYSTEM TSI (+) VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/BLK WIRE VIO/GRN WIRE WHT/ORG WIRE WHT/VIO WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM NAVIGATION SYSTEM WIPER/WASHER, MIRRORS, HEADLIGHTS SYSTEMS YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

AUDIO H AUDIO L+ BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BRN (OR WHT) WIRE BRN WIRE CAN A H CAN A L CAN L H CAN L L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM ANTENNA 1 EMERGENCY CALL SYSTEM ANTENNA 2 GPS GRN WIRE GRN/BLU WIRE GRY WIRE GRY/WHT WIRE HEAD UNIT/INSTRUMENT CLUSTER DISPLAY CLUSTER MUTE NCA WIRE ORG/ WIRE ORG/WHT WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/YEL WIRE SHD SUPPLEMENTAL RESTRAINTS SYSTEM TEL TOUCHPAD WHT (OR BRN) WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AUDIO H AUDIO L+ BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BRN (OR WHT) WIRE BRN WIRE CAN A H CAN A L CAN L H CAN L L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM ANTENNA 1 EMERGENCY CALL SYSTEM ANTENNA 2 GPS GRN WIRE GRN/BLU WIRE GRY WIRE GRY/WHT WIRE HEAD UNIT/INSTRUMENT CLUSTER DISPLAY CLUSTER MUTE NCA WIRE ORG/ WIRE ORG/WHT WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/YEL WIRE SHD SUPPLEMENTAL RESTRAINTS SYSTEM TEL TOUCHPAD WHT (OR BRN) WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AUDIO H AUDIO L+ BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN A H CAN A L CAN H H CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ETH (+) WAKE UP ETH (-) ETHERNET EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FUSE 111 FUSE 145 FUSE 158 FUSE 168 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/WHT WIRE HAND MOTION SENSOR HEAD UNIT (LOWER LEFT END OF DASH) HEAD UNIT/INSTRUMENT CLUSTER DISPLAY CLUSTER HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HSVL INSTRUMENT CLUSTER CONTROL UNIT INSTRUMENT CLUSTER SPEAKER NCA WIRE ORG/GRN WIRE PNK/YEL WIRE RED WIRE RED/GRY WIRE SHD SHD CID/PIP SIG SIG (1) SIG (2) SIG 3 SIG 4 SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINTS SYSTEM VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WAKE-UP WHT WIRE

AB 1 (+) AB 1 GND AB 2 (+) AB 2 GND BLK/YEL WIRE BLU WIRE BRN WIRE CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM FLEX-E BM FLEX-E BP FUSE 109 GRN WIRE HEAD UNIT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP HORNS CONTACT PLATE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER MULTI-FUNCTION STEERING WHEEL BUTTON GROUP NCA WIRE PNK WIRE RED/ORG WIRE SENS GND SIG SIG GND STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL UPSHIFT BUTTON SUPPLEMENTAL RESTRAINTS SYSTEM TEMP VEHICLE INTERIOR FUSE, RELAY MODULE VIO/YEL WIRE

BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B H STERN CAN B L CAN H H CAN H L CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DCS (+) DCS GND DRIVER DOOR CONTROL UNIT DRIVER SEAT BELT BUCKLE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXTERIOR LIGHTS, ELECTRIC PARKING BRAKE SWITCH GROUP FUSE 112 FUSE 156 FUSE 21 FUSE 24 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/WHT WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LOCK UNLOCK MOT GND/(+) ORG/GRN WIRE PNK/BLU WIRE PNK/VIO WIRE PNK/WHT WIRE PNK/YEL WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE SIG SIG (1) SIG (2) SIG 3 SIG 4 SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SUPPLEMENTAL RESTRAINTS SYSTEM VEHICLE INTERIOR FUSE, RELAY MODULE VIO/YEL WIRE W/ INCREASED THEFT PROTECTION WHT WIRE WHT/VIO WIRE

BLK WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE CAN C H CAN C L CHARGE AIR COOLER CIRCULATION PUMP COMPUTER DATA LINES SYSTEM CRASH ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 41 FUSE 43 FUSE 69 FUSE 71 GASOLINE PARTICULATE FILTER DIFFERENTIAL PRESSURE SENSOR GRN/BLU WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LOWER RADIATOR TRIM FLAP ACTUATOR MOTOR ME-SFI (ME) CONTROL UNIT ORG/BLU WIRE PUMP (+) HEAT GND PUMP GND RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE REL (+) SIG STARTING/ CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TEMPERATURE SENSOR UPSTREAM OF GASOLINE PARTICULATE FILTER TRANSMISSION OIL COOLING COOLANT CIRCULATION PUMP UPPER RADIATOR TRIM FLAP ACTUATOR MOTOR VALVE GND VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/RED WIRE