Mercedes-Benz GLS-class X166 (2015-2019) engine compartment fuse, relay module Wiring diagrams

AIRMATIC COMPRESSOR AIRMATIC CONTROL UNIT AIRMATIC PRESSURE REDUCTION VALVE AIRMATIC RELAY BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE COMPRESSOR) COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FUSE 2 FUSE 238 FUSE 5 FUSE 62 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT LEFT FRONT AXLE DAMPING VALVE UNIT LEFT FRONT BODY LATERAL ACCELERATION SENSOR MULTIPLE FUSE 1 NIV HL (-) NIV HR (-) NIV VL (+) NIV VR (+) PNK/BLK WIRE RED WIRE RED/BLK WIRE RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT REAR BODY LATERAL ACCELERATION SENSOR SOLENOID VALVE 1 VALVE 2 VB + VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/WHT WIRE

ABLV AIRMATIC COMPRESSOR AIRMATIC CONTROL UNIT AIRMATIC PRESSURE REDUCTION VALVE AIRMATIC RELAY BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLK/BLU WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE COMPRESSOR) COMPUTER DATA LINES SYSTEM DVV ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FUSE 2 FUSE 238 FUSE 5 FUSE 62 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT LEFT FRONT AXLE DAMPING VALVE UNIT LEFT FRONT LEVEL SENSOR MULTIPLE FUSE 1 NCA WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REL (+) SIG REL VERS RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT FRONT LEVEL SENSOR SIG SOLENOID VALVE 1 VALVE 2 VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/WHT WIRE

BALL VALVE BATTERY COMPARTMENT PREFUSE BOX BLA BLK WIRE BLS M BLU/BLK WIRE BLU/WHT WIRE BRAKE VACUUM SENSOR BRN WIRE CAN H H CAN H L COMPUTER DATA LINES SYSTEM DF HL M DF HL S DF HR M DF HR S DF VL M BLS L DF VL S DF VR M DF VR S DZVL A ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FRONT AXLE FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE INTAKE FUSE 1 FUSE 2 FUSE 204 FUSE 230 FUSE 4 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HIGH PRESSURE, RETURN PUMP HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT FRONT PRESSURE LEFT REAR PRESSURE MULTI FUSE 1 PNK/BLK WIRE PNK/WHT WIRE REAR AXLE REAR AXLE INTAKE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE REGULATOR VALVE (HOLD) REGULATOR VALVE (RELEASE) RIGHT FRONT PRESSURE RIGHT REAR PRESSURE STOP LAMP SWITCH SWITCHOVER VALVE TRACTION SYSTEM HYDRAULIC UNIT (LEFT FRONT OF ENGINE COMPT) UB (+) BLS H VAC SIG VIO WIRE VIO/BLK WIRE VIO/WHT WIRE YAW RATE, LATERAL, LONGITUDINAL ACCELERATION SENSOR YEL/BLU WIRE

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

2.1L TURBO DIESEL 4.7L TURBO 3.0L TURBO, 3.5L, 3.5L FLEX 2.1L TURBO DIESEL AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK/BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CHARGE AIR COOLER CIRCULATION PUMP COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP COOLANT TEMPERATURE SENSOR ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM EXCEPT 2.1L TURBO DIESEL FAN MOTOR (BEHIND RADIATOR) FUSE 215 FUSE 216 FUSE 219 FUSE 6 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ TURBO CHARGER RELAY ENERGIZED LUES PNK/BLK WIRE PNK/BLU WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLU WIRE REFRIGERANT PRESSURE SENSOR SIG TMOT VIO/WHT WIRE YEL/WHT 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

4.7L TURBO 4.7L TURBO 3.5L, 3.5L FLEX, 3.0L TURBO ACCELERATE, SET SWITCH ACCELERATOR PEDAL SENSOR ACTUAL VALVE POTENTIOMETER 1 ACTUAL VALVE POTENTIOMETER 2 ACTUATOR MOTOR BLK WIRE BLK/BLU WIRE BLS H BLS L BLS M BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L CAN H H CAN H L CDI CONTROL UNIT (2.1L TURBO DIESEL) COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DISTRONIC CONTROL DISTRONIC CONTROLLER UNIT DISTRONIC ELECTRIC CONTROLLER UNIT DISTRONIC RADAR SENSOR DISTRONIC WARNING LAMP IND ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 20 FUSE 213 FUSE 234 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ HOT W/ CIRCUIT 15 RELAY ENERGIZED IND SWITCH INSTRUMENT CLUSTER OFF SWITCH ORG/ WIRE OUTPUT SHAFT RPM SENSOR PNK WIRE PNK/BLK WIRE PNK/VIO WIRE POTI SIG POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RESUME FROM MEMORY SWITCH S VREF 3 STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH THROTTLE VALVE ACTUATOR U PWG VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/WHT WIRE W/ DISTRONIC PLUS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLS H BLS L BLS M BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE CAN H H CAN H L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FUSE 1 FUSE 211 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES INNER RIGHT REAR LAMP UNIT OUTER TURN SIGNAL LAMP OVERHEAD CONTROL PANEL CONTROL UNIT PNK/BLK WIRE RAIN/LIGHT SENSOR (TOP CENTER OF WINDSHIELD) RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT FRONT LAMP UNIT (W/ LED HEADLAMP) RIGHT FRONT LAMP UNIT (W/O LED HEADLAMP) RIGHT FRONT SIDE MARKER LAMP RIGHT HEADLAMP CONTROL UNIT RIGHT INSIDE TAILLIGHT RIGHT LED SIGNALING LIGHTS ACTUATION FAN MOTOR MODULE RIGHT PARKING LIGHT, STANDING LIGHT, DAYTIME RUNNING LIGHT STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) TURN SIGNAL LAMPS SWITCH VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT/BLU WIRE

15 RELAY (DIAGRAM 4 OF 4) 2.1L TURBO DIESEL EXCEPT 2.1L TURBO DIESEL ACTIVE ROLL STABILIZATION CONTROL UNIT ADDITIONAL BATTERY BLK WIRE BLU WIRE BLU/GRY WIRE BOOSTER BLOWER ELECTRONIC BLOWER CONTROLLER BRN WIRE BRN/BLK WIRE BRN/RED WIRE BUFFER BATTERY FUSE CAN B H CAN B L CAN-D H CAN-D L COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM CONTROL UNIT) DC/AC CONVERTER CONTROL UNIT DIAGNOSTIC CONNECTOR ECO START/STOP FUNCTION ADDITIONAL BATTERY ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FROM BATTERY COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) FROM CIRCUIT FROM CIRCUIT 15 RELAY (DIAGRAM 4 OF 4) FROM REAR FUSE BOX (DIAGRAM 4 OF 4) FRONT PASSENGER SEAT OCCUPIED RECOGNITION, ACSR FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 134 FUSE 135 FUSE 136 FUSE 137 FUSE 138 FUSE 14 FUSE 15 FUSE 157 FUSE 16 FUSE 17 FUSE 18 FUSE 213 GLE CLASS GLOVE BOX LAMP) GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE INTELLIGENT SERVO MODULE FOR DIRECT SELECT LEFT FRONT DOOR CONTROL UNIT N/A NCA WIRE NOT P ORG/BLK WIRE ORG/BLU WIRE PNK WIRE RBA REAR WINDOW WIPER RELAY RED WIRE RED/WHT WIRE RETROFIT HEAD UP DISPLAY, INSTRUMENT CLUSTER SAM CONTROL UNIT SOCKET MICRO SWITCH STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM TAILGATE WIPER MOTOR TK FT TO REAR FUSE BOX (DIAGRAM 4 OF 4) UPPER CONTROL PANEL CONTROL UNIT W/ AUTOMATIC AIR CONDITIONING W/ ECO START/STOP FUNCTION W/O ECO START/STOP FUNCTION 9 SPEED A/T 6 SPEED A/T 6 WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT WIRE YEL WIRE YEL/WHT WIRE

360 DEGREE CAMERA CONTROL UNIT, BACKUP CAMERA 7 SPEED A/T AIRMATIC RELAY ALARM SIREN AUDIO/ COMAND DISPLAY AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BACKUP RELAY BLK WIRE BLU WIRE BRN WIRE CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/COMPENSATOR (W/ COMFORT TELEPHONY) CHASSIS GATEWAY CONTROL UNIT CIRCUIT 15 RELAY COMAND CONTROL UNIT COMAND FAN MOTOR COOLANT RUN-ON PUMP RELAY DISTRONIC ELECTRIC CONTROLLER UNIT DRIVER SEAT CONTROL UNIT DVD PLAYER ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FANFARE HORN RELAY FROM BATTERY COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) FROM MULTIPLE FUSE 1 (DIAGRAM 1 OF 4) FRONT LONG RANGE RADAR SENSOR FRONT PASSENGER SEAT CONTROL UNIT FUSE 1 FUSE 100 FUSE 101 FUSE 102 FUSE 103 FUSE 104 FUSE 105 FUSE 106 FUSE 19 FUSE 2 FUSE 20 FUSE 201 FUSE 202 FUSE 203 FUSE 204 FUSE 206 FUSE 207 FUSE 208 FUSE 209 FUSE 21 FUSE 210 FUSE 211 FUSE 22 FUSE 221 FUSE 223 FUSE 224 FUSE 225 FUSE 226 FUSE 227 FUSE 228 FUSE 229 FUSE 230 FUSE 231 FUSE 232 FUSE 233 FUSE 234 FUSE 236 FUSE 237 FUSE 241 FUSE 3 FUSE 4 FUSE 5 FUSE 6 INTELLIGENT SERVO MODULE FOR DIRECT SELECT LEFT FRONT LAMP UNIT LEFT FRONT LAMP UNIT, RIGHT FRONT LAMP UNIT LEFT REAR DISPLAY MOBILEPHONE CONTROL PLATE MULTI-FUNCTION CAMERA MULTIMEDIA CONNECTION UNIT MULTIPLE FUSE 2 MULTIPLE FUSE 3 MULTIPLE FUSE 4 N/A N/A N/A PNK WIRE RADAR SENSORS CONTROL UNIT RCP (HBF) CONTROL UNIT RED WIRE RIGHT FRONT LAMP UNIT RIGHT FRONT LAMP UNIT, LEFT FRONT LAMP UNIT RIGHT REAR DISPLAY SAM CONTROL UNIT SPRAY NOZZLE HOSE HEATER RELAY STARTER CIRCUIT 50 RELAY STATIONARY HEATER UNIT STEERING COLUMN MODULE CONTROL UNIT TAILGATE CONTROL UNIT TIRE PRESSURE MONITOR CONTROL UNIT TUNER UNIT TURBOCHARGER RELAY W/ COMAND W/ LED HEADLAMPS W/ REAR ENTERTAINMENT W/O DISTRONIC PLUS W/O LED HEADLAMPS WHT WIRE WINDSHIELD WIPER ON/OFF RELAY WIPER PARK POSITION HEATER RELAY YEL WIRE