Mercedes-Benz GL-class X166 (2012-2016) engine compartment fuse, relay module Wiring diagrams

11 12 SIG LI 6 7 SIG (+) AC HOUSING, AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER REGULATOR BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN-B L (5 TO 7 PINS NOT USED) 8 COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP DEFOGGER SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE EVAPORATOR TEMPERATURE SENSOR FRESH AIR/ AIR RECIRCULATION FLAP ACTUATOR MOTOR FUSE 19 FUSE 235 FUSE 237 GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE HIGH SIDE HOT AT ALL TIMES KMV SK (+) KOMP PWR 25 26 KOMP RV (-) LEFT BLENDING AIR FLAP ACTUATOR MOTOR LEFT CENTER AIR OUTLET FLAP ACTUATOR MOTOR LEFT DEFROSTER VENT FLAP ACTUATOR MOTOR LEFT FOOTWELL FLAP ACTUATOR MOTOR LIN DATA NCA WIRE PNK/WHT WIRE PTC HEATER BOOSTER (IF EQUIPPED) REAR BLEND AIR FLAP ACTUATOR MOTOR W/ CUT OFF FUNCTION RED WIRE RED/BLK WIRE REFRIGERANT COMPRESSOR REFRIGERANT PRESSURE SENSOR RIGHT BLENDING AIR FLAP ACTUATOR MOTOR SIG SIG (9, 10 PINS NOT USED) 11 SIG RE VDF VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WIPER PARK HEATER WIPER PARK POSITION HEATER RELAY YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

3.0L TURBO DIESEL 3.0L TURBO DIESEL 4.6L TURBO, 3.5L 4.6L TURBO 3.5L AAV ACTIVATED CHARCOAL FILTER SHUTOFF VALVE BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE CHARGE AIR COOLER CIRCULATION PUMP CHARGE AIR TEMPERATURE SENSOR COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR EA TANS ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX ENGINE CONTROLS SYSTEM FAN MOTOR 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 CENTER AIR OUTLET SYMBOL ILLUMINATION 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 OUTSIDE TEMPERATURE SENSOR OVERHEAD CONTROL PANEL ELECTRONICS PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/WHT WIRE PWM 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 TMOT UHI VEHICLE INTERIOR HUMIDITY/ TEMPERATURE SENSOR VIO WIRE VIO/BLK WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

3.0L TURBO DIESEL 3.5L 4.6L TURBO 3.0L TURBO DIESEL 4.6L TURBO 3.5L AAV ACTIVATED CHARCOAL FILTER SHUTOFF VALVE 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 PUMP 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 6 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT HOT W/ TURBO CHARGER RELAY ENERGIZED LUES ME-SFI (ME) CONTROL UNIT (4.6L TURBO, 3.5L) CDI CONTROL UNIT (3.0L TURBO DIESEL) PNK/BLK WIRE PNK/BLU WIRE PNK/WHT WIRE PWM RED WIRE RED/BLU WIRE REFRIGERANT PRESSURE SENSOR SIG TMOT VIO/WHT WIRE YEL/BLU WIRE YEL/WHT WIRE

4.6L TURBO 3.5L ACCELERATE, SET SWITCH ACCELERATOR PEDAL SENSOR BEHIND STEERING WHEEL) BLK WIRE BLK/BLU WIRE BLS H BLS L BLS M BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L CAN C H CAN C L CAN H H CAN H L CDI CONTROL UNIT (3.0L TURBO DIESEL) (REAR OF RIGHT FRONT FENDER) COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH DISTRONIC CONTROL DISTRONIC CONTROLLER UNIT DISTRONIC ELECTRONIC CONTROLLER DISTRONIC RADAR SENSOR DTR 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 IN ON OR START IND SWITCH INSTRUMENT CLUSTER M+ (-) 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/GRY WIRE RED/WHT WIRE RESUME FROM MEMORY SWITCH STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH THROTTLE VALVE ACTUATOR U PWG VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE YAW RATE/LATERAL/ LONGITUDINAL ACCELERATION SENSOR YEL WIRE

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BATTERY COMPARTMENT PREFUSE BOX BEHIND STEERING WHEEL) BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B H CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FT R ST FT-R-E-A FUSE 11 FUSE 19 FUSE 20 FUSE 205 FUSE 235 FUSE 239 FUSE 53 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH OVERHEAD CONTROL PANEL CONTROL UNIT RAIN/LIGHT SENSOR RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED SAM CONTROL UNIT (RIGHT KICK PANEL) SIG SPRAY NOZZLE HOSE HEATER STEERING COLUMN MODULE CONTROL UNIT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM SWITCH WINDSHIELD WASHER SYSTEM WASHER FLUID LEVEL SWITCH WINDSHIELD WIPER ON/OFF RELAY WIPER LEVEL 1/2 RELAY WIPER MOTOR WIPER PARK HEATER WIPER PARK POSITION HEATER RELAY WIPER SWITCH WP H(+) WP V(+) WWHZG WWS(-) WWS SIG

3.0L TURBO DIESEL 3.0L TURBO DIESEL EXCEPT 3.0L 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 A H CAN A L 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 DIRECT SELECT INTELLIGENT SERVO MODULE ECO START/STOP FUNCTION ADDITIONAL BATTERY ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE EXCEPT 3.0L TURBO DIESEL FROM BATTERY COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 4) FROM CIRCUIT 15 RELAY (DIAGRAM 4 OF 4) FROM REAR FUSE BOX (DIAGRAM 4 OF 4) FRONT PASSENGER SEAT OCCUPIED RECOGNITION, ACSR FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 134 FUSE 135 FUSE 136 FUSE 137 FUSE 138 FUSE 14 FUSE 15 FUSE 16 FUSE 17 FUSE 18 FUSE 213 GLOVE BOX LAMP) GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT ME-SFI (ME) CONTROL UNIT N/A NCA WIRE NOT 2 ORG/BLK WIRE ORG/BLU WIRE PNK WIRE REAR WINDOW WIPER RELAY RED WIRE RED/WHT WIRE SAM CONTROL UNIT SOCKET MICRO SWITCH STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM TK FT UPPER CONTROL PANEL CONTROL UNIT W/ ECO STAR/STOP FUNCTION W/O ECO STAR/STOP FUNCTION WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT WIRE YEL WIRE YEL/WHT WIRE

360 DEGREE CAMERA CONTROL UNIT, BACKUP CAMERA AIRMATIC RELAY ALARM SIREN AUDIO/ COMAND DISPLAY AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BACKUP RELAY BLK WIRE BLU WIRE BRN WIRE CIRCUIT 15 RELAY CIRCUIT 15 RELAY (UNLATCHED) COMAND CONTROL UNIT CONTROL UNIT) COOLANT RUN-ON PUMP RELAY DIGITAL AUDIO BROADCASTING CONTROL UNIT DIGITAL RADIO DIRECT SELECT INTELLIGENT SERVO MODULE DISTRONIC ELECTRIC CONTROL 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 PASSENGER SEAT CONTROL UNIT FUSE 1 FUSE 100 FUSE 101 FUSE 102 FUSE 103 FUSE 104 FUSE 105 FUSE 106 FUSE 156 FUSE 19 FUSE 2 FUSE 20 FUSE 201 FUSE 202 FUSE 203 FUSE 204 FUSE 205 FUSE 206 FUSE 207 FUSE 208 FUSE 209 FUSE 21 FUSE 210 FUSE 211 FUSE 212 FUSE 22 FUSE 221 FUSE 222 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 239 FUSE 3 FUSE 4 FUSE 5 FUSE 6 HEADLAMP CONTROL UNIT LEFT FRONT LAMP UNIT LEFT REAR DISPLAY MEDIA INTERFACE CONTROL UNIT MULTIFUNCTION CAMERA MULTIPLE FUSE 2 MULTIPLE FUSE 3 MULTIPLE FUSE 4 N/A N/A N/A PNK WIRE RCP (HBF) CONTROL UNIT RED WIRE RIGHT FRONT LAMP UNIT RIGHT REAR DISPLAY SAM CONTROL UNIT SATELLITE DIGITAL AUDIO RADIO CONTROL UNIT STARTER CIRCUIT 50 RELAY STATIONARY HEATER UNIT STEERING COLUMN MODULE CONTROL UNIT TAILGATE CONTROL UNIT TIRE PRESSURE MONITOR CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT TURBO- CHARGER RELAY VIDEO, RADAR SENSOR SYSTEM W/ COMAND W/ ECO START/ STOP FUNCTION W/ REAR ENTERTAINMENT W/ XENON HEADLAMPS WHT WIRE WINDSHIELD WIPER ON/OFF RELAY WIPER LEVEL 1/2 RELAY WIPER PARK POSITION HEATER RELAY YEL WIRE

AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BEHIND STEERING WHEEL) BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 11 FUSE 157 FUSE 19 FUSE 20 FUSE 205 FUSE 235 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH REAR FUSE BOX REAR WINDOW WIPER RELAY RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED SAM CONTROL UNIT (RIGHT KICK PANEL) SIG STEERING COLUMN MODULE CONTROL UNIT TAILGATE WIPER MOTOR WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM SWITCH WIPER PARK HEATER WIPER PARK POSITION HEATER RELAY WIPER SWITCH WP H(+) WP V(+)

3.0L TURBO DIESEL 3.5L, 4.6L TURBO 3.5L, 4.6L TURBO 3.0L TURBO DIESEL ALTERNATOR BATTERY SENSOR BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L CAN C H CAN C L CDI CONTROL UNIT CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX FULLY INTEGRATED TRANSMISSION CONTROL UNIT GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INTELLIGENT SERVO MODULE (DIRECT SELECT) INTERIOR PREFUSE BOX ME-SFI (ME) CONTROL UNIT NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY POWER DISTRIBUTION SYSTEM RED WIRE SAM CONTROL UNIT STARTER STARTER CIRCUIT 50 RELAY STR+ VIO WIRE VIO/WHT WIRE

3.0L TURBO DIESEL ANT BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B H IP CAN B L CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/COMPENSATOR COCKPIT CIRCUIT 30 FUSE BOX COMBUSTION AIR BLOWER COMPUTER DATA LINES SYSTEM DOPUMP EFB ENGINE COMPARTMENT FUSE, RELAY MODULE EXCEPT 3.0L TURBO DIESEL FUEL PREHEATING SYSTEM HEATING ELEMENT FUSE 133 FUSE 15 FUSE 202 GLOW PLUG/ FLAME MONITOR UNIT GRY/BLK WIRE GRY/BLU WIRE HEATER CONTROL UNIT HOT AT ALL TIMES MOBILE PHONE, STATIONARY HEATER RADIO REMOTE CONTROL ANTENNA SPLITTER MULTI-FUNCTION ANTENNA NCA WIRE REAR FUSE BOX RED WIRE RED/WHT WIRE SAM CONTROL UNIT (RIGHT KICK PANEL) STATIONARY HEATER BUTTON STATIONARY HEATER CONTROL UNIT STATIONARY HEATER FUEL PUMP STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER SWITCHOVER VALVE SWITCHOVER VALVE TEMPERATURE SENSOR TES THERMAL FUSE UHI UPPER CONTROL PANEL CONTROL UNIT USV W/ MOBILE PHONE W/O MOBILE PHONE