Mercedes-Benz GLS-class X166 (2015-2019) battery compartment prefuse box Wiring diagrams

2.1L TURBO DIESEL 2.1L TURBO DIESEL 6 3.0L TURBO, 4.7L TURBO 3.5L, 3.5L FLEX EXCEPT 2.1L TURBO DIESEL 4.7L TURBO 2.1L TURBO DIESEL 3.0L TURBO BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CHARGE AIR COOLER CIRCULATION PUMP CHARGE AIR TEMPERATURE SENSOR COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) COOLANT TEMPERATURE SENSOR ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM FAN MOTOR (BEHIND RADIATOR) FUSE 215 FUSE 216 FUSE 219 FUSE 257 FUSE 32 FUSE 53 FUSE 6 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ TURBO CHARGER RELAY ENERGIZED INTERIOR PREFUSE BOX INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FOOTWELL AIR OUTLET TEMPERATURE SENSOR LEFT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION LEFT REAR FOOTWELL LEFT SIDE AIR OUTLET TEMPERATURE SENSOR LUES ME-SFI CONTROL UNIT NCA WIRE OUTSIDE TEMPERATURE SENSOR OVERHEAD CONTROL PANEL ELECTRONICS PNK WIRE PNK/BLK WIRE PNK/BLU WIRE REAR AIR DISTRIBUTION FLAP ACTUATOR MOTOR REAR AIR DUCT AIR OUTLET TEMPERATURE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT CENTER AIR OUTLET SYMBOL ILLUMINATION RIGHT FOOTWELL AIR OUTLET TEMPERATURE SENSOR RIGHT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR SAM CONTROL UNIT SUN SENSOR TSLL SIG EA-TANS TMOT UHI VEHICLE INTERIOR HUMIDITY/ TEMPERATURE SENSOR VIO WIRE VIO/BLK WIRE WHT WIRE YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

17 18 TEMP V SIG 6 7 SIG (+) AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BOOSTER BLOWER ELECTRONIC BLOWER CONTROLLER BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER SIDE AIR VENT IONIZER FRESH AIR/ AIR RECIRCULATION FLAP ACTUATOR MOTOR FUSE 12 FUSE 13 FUSE 19 FUSE 257 FUSE 32 FUSE 40 GND 20 21 GND 6 7 VENT V GRN/BLU WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ HSHZG HIGH SIDE INTERIOR PREFUSE BOX KMV SK (+) KOMP PWM KOMP RV (-) CBR BG LIN DATA NCA WIRE ORG/ WIRE PNK/WHT WIRE REAR AIR CONDITIONING ELECTRONIC BLOWER CONTROLLER REAR BLOWER MOTOR RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED SIG SIG LI 12 13 SIG RE TEMP KR SIG VDF VIO WIRE VIO/BLK WIRE VIO/WHT WIRE W/ AIR BALANCE PACKAGE WAHZG WAKE-UP WHT WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BATTERY COMPARTMENT PREFUSE BOX BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L COMPUTER DATA LINES SYSTEM FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 5 GLS CLASS GLE CLASS HOT W/ CIRCUIT INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT BACKUP LAMP LEFT REAR LAMP UNIT MULTIPLE FUSE 1 RED/BLK WIRE RFL L RFL R RIGHT BACKUP LAMP RIGHT REAR LAMP UNIT SAM CONTROL UNIT (RIGHT KICK PANEL) WHT WIRE WHT/BLU WIRE

3.0L TURBO 3.5L, 3.5L FLEX, 4.7L TURBO A T DCM M+ ACCELERATOR PEDAL SENSOR BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN-S H CAN-S L CENTER REAR BUMPER RADAR SENSOR COMPUTER DATA LINES SYSTEM DCM A T DCM M- DCP ENGINE COMPARTMENT FUSE, RELAY MODULE FRONT LONG RANGE RADAR SENSOR FUSE 116 FUSE 214 FUSE 5 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT FRONT BUMPER RADAR SENSOR LEFT OUTER REAR BUMPER RADAR SENSOR ME-SFI (ME) CONTROL UNIT MULTIPLE FUSE 3 ORG/ WIRE PNK WIRE PNK/VIO WIRE PNK/YEL WIRE RADAR SENSORS CONTROL UNIT REAR FUSE BOX RED WIRE RED/BLK WIRE RELAY ENERGIZED RIGHT FRONT BUMPER RADAR SENSOR RIGHT OUTER REAR BUMPER RADAR SENSOR VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE YEL WIRE

30-R AMBIENT LAMP BACKUP LAMPS CIRCUIT BATTERY COMPARTMENT PREFUSE BOX BLK/WHT WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CAN B H RBA CAN B L COMPUTER DATA LINES SYSTEM CONTROL UNIT) ELECTRIC PARKING BRAKE ELECTRIC PARKING BRAKE SWITCH FUSE 67 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FRONT LAMP UNIT (W/ LED HEADLAMP) LEFT FRONT LAMP UNIT (W/O LED HEADLAMP) LEFT FRONT SIDE MARKER LAMP LEFT HEADLAMP CONTROL UNIT LEFT LED SIGNALING LIGHTS ACTUATION MODULE FAN MOTOR LEFT PARKING LIGHT, STANDING LIGHT, DAYTIME RUNNING LIGHT NCA WIRE OUTER RIGHT TAILLIGHT OUTER TURN SIGNAL LAMP RED/BLU WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT FRONT DOOR CONTROL MODULE RIGHT OUTSIDE MIRROR RIGHT REAR LAMP UNIT RIGHT REAR TURN SIGNAL LAMP RIGHT STOP LAMP SW 1 SW 2 SW 3 SW 4 TURN SIGNAL LAMP VIO/BLK WIRE WHT/BLU WIRE

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BATTERY COMPARTMENT PREFUSE BOX BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 253 FUSE 52 HOT AT ALL TIMES INTERIOR PREFUSE BOX LEFT FRONT DOOR CONTROL MODULE LEFT OUTSIDE MIRROR MIRROR HEATER NCA WIRE RBA RED/WHT WIRE RIGHT FRONT DOOR CONTROL MODULE RIGHT OUTSIDE MIRROR SH(+) 61 SH(-) 31

AUTOMATIC DIMMING MIRROR BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L RBA COMPUTER DATA LINES SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FUSE 253 FUSE 52 GRY/BLK WIRE GRY/YEL WIRE HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR HORIZONTAL INCLINATION ADJUSTMENT POTENTIOMETER HOT AT ALL TIMES INTERIOR PREFUSE BOX LED LED 31 LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT FRONT MEMORY 1 SWITCH LEFT FRONT MEMORY 3 SWITCH LEFT FRONT MEMORY FUNCTION SWITCH LEFT FRONT MEMORY 2 SWITCH LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH LEFT OUTSIDE MIRROR AMBIENT LAMP LEFT OUTSIDE MIRROR TURN SIGNAL LAMP MIRROR HEATER NCA WIRE OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD-IN/FOLD-OUT ELECTRIC MOTOR OUTSIDE MIRROR FOLD-IN/FOLD-OUT SWITCH RED/BLU WIRE RED/WHT WIRE RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT MEMORY 1 SWITCH RIGHT FRONT MEMORY 2 SWITCH RIGHT FRONT MEMORY 3 SWITCH RIGHT FRONT MEMORY FUNCTION SWITCH RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH RIGHT OUTSIDE MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP SH(+) 61 SH(-) 31 SIG VERTICAL INCLINATION ADJUSTMENT ACTUATOR MOTOR VERTICAL INCLINATION ADJUSTMENT POTENTIOMETER

ANST BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLK/GRY WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 63 GRN WIRE HALL HS 2 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 PNK ANST WIRE PNK WIRE RED WIRE RED/BLK WIRE RELAY ENERGIZED SENSOR 1 SENSOR 2 SUN BLIND MOTOR YEL/WHT WIRE

BATTERY COMPARTMENT PREFUSE BOX BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FDS L (-) FFRBEL FRL HR FRONT PASSENGER MASSAGE FUNCTION CONTROL UNIT FRONT PASSENGER MULTICONTOUR SEAT CONTROL UNIT FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FUSE 103 FUSE 129 FUSE 52 GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ CIRCUIT K MOT KS HS SIG L HS (-) L HS SIG L MOT (-) NCA WIRE PNK WIRE PWM REAR FUSE BOX RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT MULTICONTOUR SEAT PNEUMATIC PUMP SEATS SYSTEM SIG VIO WIRE W/ MASSAGE FUNCTION W/O MASSAGE FUNCTION WHT WIRE YEL WIRE

ANTI-THEFT ALARM SYSTEM/ EMERGENCY CALL SYSTEM BUTTON GROUP BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BUTTON CAN B H CAN B H RBA CAN B L COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DRIVER DOOR FULLY ELECTRIC TRAILER HITCH SWITCH ELECTRIC BRAKE CONTROL ELECTRICAL CONNECTOR FUSE 115 FUSE 124 FUSE 125 FUSE 128 FUSE 130 FUSE 53 GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LED LED RD(-) LED WH(-) LEFT FRONT DOOR CONTROL UNIT LIN B 13 OVERHEAD CONTROL PANEL CONTROL UNIT REAR FUSE BOX RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RFL (+) SAM CONTROL UNIT SIG SYSTEM TD SIG TD ST TOWING SENSOR BUTTON TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET (7-PIN) (CENTER OF REAR BUMPER) TRUNK LID/LIFTGATE FULLY ELECTRIC TRAILER HITCH SWITCH WHT WIRE WHT/BLK WIRE YEL/RED WIRE