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

BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CENTRAL LOCKING MOTOR COMPUTER DATA LINES SYSTEM DATA DRIVER DOOR INFRARED REMOTE CONTROL RECEIVER DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FUSE 250 FUSE 253 FUSE 254 FUSE 52 FUSE 57 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES INTERIOR PREFUSE BOX LEFT FRONT DOOR CONTROL MODULE LEFT FRONT DOOR LOCK LEFT FRONT DOOR POWER CLOSING ACTUATOR MOTOR MKS ABH MKS ART SIG MKS ATR SIG MKS IBH MKS VR SIG MKS-JBH PRE-LOCKING POSITION MICRO SWITCH RBA REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED/WHT WIRE RIGHT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT DOOR LOCK RIGHT FRONT DOOR POWER CLOSING ACTUATOR MOTOR SEC MOT C SEC MOT RS SES MOT C SES MOT RS SIG SIG DF W/ POWER CLOSING FOR DOORS, TRUNK LID W/O POWER CLOSING FOR DOORS, TRUNK LID WHT WIRE WHT/BLK WIRE YEL/BLK WIRE ZV-C ZV-O

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

AMBIENT LAMP AUTOMATIC DIMMING MIRROR BATTERY COMPARTMENT PREFUSE BOX BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FUSE 253 FUSE 52 FUSE 53 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY WIRE GRY/YEL WIRE HANDS-FREE SYSTEM MICROPHONE GROUP HOT AT ALL TIMES INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR DIMMING INTERIOR PREFUSE BOX LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT READING LAMP LL L LL R NAVIGATION, SOUND SYSTEMS NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PNK WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RBA REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED/BLK WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT READING LAMP SAM CONTROL UNIT SIG YEL WIRE

49 L 49 R 57 L 57 R 58 L 58 R AMBIENT LAMP BACKUP LAMPS CIRCUIT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BSL L BSL R CAN B H CAN B H RBA CAN B L CENTER STOP LAMP COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM D BL HL D BL HR DISPLAY EXTERIOR LIGHTS SWITCH FUSE 114 FUSE 15 FUSE 250 GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD WARNING SYSTEM BUTTON HEADLAMP RANGE CONTROLLER HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INSTRUMENT CLUSTER INTERIOR PREFUSE BOX KZL L KZL R LDS 1 LDS 2 LDS 3 LEFT BACKUP LAMP LEFT FRONT DOOR CONTROL UNIT LEFT INSIDE TAILLIGHT LEFT LIFTGATE LICENSE PLATE LAMP LEFT OUTSIDE MIRROR LEFT REAR FOG LAMP LEFT REAR LAMP UNIT LEFT REAR TURN SIGNAL LAMP LEFT STOP LAMP LEFT TURN SIGNAL IND LWR NCA WIRE NSI L ORG/ WIRE OUTER LEFT TAILLIGHT REAR FOG LAMP IND REAR FOG LIGHT BUTTON REAR FUSE BOX RED/BLU WIRE RED/WHT WIRE RIGHT LIFTGATE LICENSE PLATE LAMP RIGHT TURN SIGNAL IND SAM CONTROL UNIT (RIGHT KICK PANEL) SL L SWITCH ILLUMINATION TURN SIGNAL LAMP UPPER CONTROL PANEL CONTROL UNIT VIO/BLK WIRE VIO/WHT WIRE W/ HALOGEN HEADLAMPS WHT WIRE WHT/BLU WIRE

BLK/BLU WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ENGINE COMPT FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FUSE 114 FUSE 207 FUSE 211 FUSE 250 GRY/BLU WIRE HEAD LAMP RANGE CONTROLLER HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INTERIOR PREFUSE BOX LDS 1 LDS 2 LDS 3 LWR NCA WIRE REAR FOG LIGHT BUTTON REAR FUSE BOX RED/WHT WIRE SAM CONTROL UNIT (RIGHT KICK PANEL) SWITCH ILLUMINATION

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

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

15 R 49 L BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BSL R BUB-L-EL BUB-M CAN B H CAN B L COMPUTER DATA LINES SYSTEM DBL HL DOOR LOCKS, ANTI-THEFT SYSTEMS ENGINE CONTROLS SYSTEM FUSE 250 FUSE 251 FUSE 252 FUSE 5 GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ CIRCUIT INSTRUMENT CLUSTER SYSTEM INTERIOR PREFUSE BOX KZL R MULTIPLE FUSE 1 ORG/ WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RED/WHT WIRE REL-BUB REL-EK RFL R SAM CONTROL UNIT SEATS SYSTEM SIG SL L STARTING/CHARGING SYSTEM TS(+) TS-2 WHT WIRE WHT/BLU WIRE WIPER/WASHER SYSTEM YEL/BLK WIRE

1 2 CAN B L 9 8 SIG BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CLOSE CLOSE, LOCK COMPUTER DATA LINES SYSTEM DRIVE TRUNK LID/LIFTGATE CONTROL BUTTON FUSE 106 FUSE 152 FUSE 154 FUSE 253 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT INTERIOR PREFUSE BOX LEFT FRONT DOOR CONTROL UNIT LIFTGATE LOCKING PAWL SWITCH MOT CLOSE MOT OPEN ORG/ WIRE OUT RBA REAR CONTROL UNIT REAR FUSE BOX RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT LIFTGATE CONTROL DRIVE UNIT RIGHT LIFTGATE CONTROL HALL SENSOR SIG SIG POSHS SIG WS TAILGATE CENTRAL LOCKING MOTOR TAILGATE CONTROL BUTTON TAILGATE CONTROL POSITION SENSOR RIGHT LIFTGATE CONTROL ELECTRIC MOTOR TAILGATE CONTROL UNIT TAILGATE CONTROL WARNING BUZZER TAILGATE EXTERNAL OPERATION SWITCH TAILGATE LOCKING ELEMENT TAILGATE ROTARY TUMBLER SWITCH YEL WIRE