Mercedes-Benz GLS-class X166 (2015-2019) can b h Wiring diagrams

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

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

BATTERY COMPARTMENT PREFUSE BOX BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAM OPEN (+) CAM SW CAME CLS (+) CAN B H CAN B L COMPUTER DATA LINES SYSTEM DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS FUSE 152 FUSE 48 FUSE 55 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS INTERIOR LIGHTS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS IP 1 IP 2 NAVIGATION SYSTEM ORG/ WIRE OUT POWER WINDOWS SYSTEM REAR CONTROL UNIT REAR FUSE BOX RED/BLK WIRE RED/WHT WIRE SEATS SYSTEM SIG SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/WHT WIRE

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

15-RMR 49 R 57 L 57 R 58 D 58 L 58 R A/T AIR CONDITIONING, INSTRUMENT CLUSTER SYSTEMS ANTI-LOCK BRAKES SYSTEM AT-SIG BBV-SIG BFS BLA BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BSL L CAN B H CAN B L COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM D BL HR EDW SIG ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM MEMORY SYSTEMS FRL HL FRL HR FRL V FT-R-E-A FT-R-S-T GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS, INTERIOR LIGHTS, EXTERIOR LIGHTS SYSTEMS HW CRASH INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER, ANTI-LOCK BRAKES SYSTEMS KFR BEL KWS(-) KWS-SIG KZL L LDS 1 LDS 2 LDS 3 LEFT ENGINE HOOD CONTACT SWITCH LWR MEMORY SYSTEMS MHS RE NSI L PNK/WHT WIRE POWER DISTRIBUTION SYSTEM REL FF RFL L RIGHT ENGINE HOOD CONTACT SWITCH SAM CONTROL UNIT SRA-P STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TBBEL L TBBEL R VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WAZ REL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM HORNS SYSTEM WP H(+) WP V(+) WSA WWHZG WWS(-) WWS-SIG YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BATTERY COMPARTMENT PREFUSE BOX BBV-SIG BFS BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH BRAKE SYSTEM WARNING LAMP BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B H RBA CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMPUTER DATA LINES SYSTEM DR (+) DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH FUSE 12 FUSE 152 FUSE 59 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK MULTI-FUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR LAMP PRE-LOCKING POSITION MICROSWITCH REAR CONTROL UNIT (UNDER CENTER OF REAR SEATS) REAR FUSE BOX RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR BRAKE WEAR SENSOR SAM CONTROL UNIT SEAT BELT WARNING LAMP SIG SIG DF SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SW 1 SW 2 SW 3 SW 4 VIO WIRE W/ HEAD UP DISPLAY W/ POWER CLOSING DOORS, TRUNK LID WHT WIRE YEL WIRE YEL/WHT WIRE

2.1L TURBO DIESEL BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B H IP CAN B L COCKPIT CIRCUIT 30 FUSE BOX COMBUSTION AIR BLOWER COMPUTER DATA LINES SYSTEM DOPUMP EFB ENGINE COMPARTMENT FUSE, RELAY MODULE EXCEPT 2.1L 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 MULTI-FUNCTION ANTENNA NCA WIRE REAR FUSE BOX RED WIRE RED/WHT WIRE SAM CONTROL UNIT (RIGHT KICK PANEL) SHIELD SIG SIG TEL STATIONARY HEATER BUTTON STATIONARY HEATER FUEL PUMP STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER UNIT (LEFT REAR OF ENGINE COMPT) TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH TEMPERATURE SENSOR THERMAL FUSE UPPER CONTROL PANEL CONTROL UNIT USV W/O COMFORT TELEPHONY W/ COMFORT TELEPHONY