Mercedes-Benz GL-class X166 (2012-2016) sam control unit Wiring diagrams

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

AC HOUSING, AIRMATIC CONTROL UNIT AMPLIFIER CONTROL UNIT ATA (EDW)/ TOWING SENSOR/ INTERIOR MOTION SENSOR CONTROL UNIT AUDIO COMAND CONTROL PANEL BASS SPEAKER AMPLIFIER BATTERY COMPARTMENT PREFUSE BOX BATTERY SENSOR BLK WIRE BLU WIRE CONTROL UNIT) DIGITAL TACHOGRAPH CONTROL UNIT ECO START/ STOP FUNCTION DIODE ECO START/STOP FUNCTION DIODE ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT EMERGENCY CALL SYSTEM ENGINE COMPARTMENT PREFUSE BOX FAN MOTOR FUSE 1 FUSE 2 FUSE 250 FUSE 251 FUSE 252 FUSE 253 FUSE 254 FUSE 255 FUSE 256 FUSE 257 FUSE 3 FUSE 30 FUSE 31 FUSE 32 FUSE 33 FUSE 34 FUSE 35 FUSE 36 FUSE 4 FUSE 40 FUSE 45 FUSE 47 FUSE 48 FUSE 49 FUSE 5 FUSE 50 FUSE 51 FUSE 52 FUSE 53 FUSE 54 FUSE 55 FUSE 56 FUSE 57 FUSE 58 FUSE 59 FUSE 6 FUSE 60 FUSE 61 FUSE 62 FUSE 63 FUSE 64 FUSE 65 FUSE 67 FUSE 68 FUSE 7 FUSE 8 FUSE PYRO FUSE GRN WIRE KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT REAR DOOR CONTROL UNIT LOWER CONTROL PANEL CONTROL UNIT MULTI-CONTOUR SEAT PNEUMATIC PUMP MULTIPLE FUSE 1 N/A OFF-ROAD OPERATING PANEL CONTROL UNIT ON-BOARD ELECTRICAL SYSTEM BATTERY OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE PARKING SYSTEM PTC HEATER BOOSTER REAR AIR CONDITIONING ELECTRONIC BLOWER CONTROLLER REAR CONTROL UNIT RED WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT REAR DOOR CONTROL UNIT SAM CONTROL UNIT SLIDING ROOF CONTROL MODULE SOUND SYSTEM SUPPLEMENTAL RESTRAINT SYSTEM TO COCKPIT CIRCUIT 30 FUSE BOX (DIAGRAM 2 OF 4) TO ENGINE COMPARTMENT FUSE, RELAY MODULE (DIAGRAM 2 OF 4) TO ENGINE COMPARTMENT FUSE, RELAY MODULE (DIAGRAM 3 OF 4) TO MULTIPLE FUSE 2 (DIAGRAM 3 OF 4) TO REAR FUSE BOX (DIAGRAM 3 OF 4) TO REAR FUSE BOX (DIAGRAM 4 OF 4) TRANSFER CASE CONTROL UNIT VIO WIRE W/ SOUND SYSTEM WHT WIRE

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

ADBLUE CONTROL UNIT ADBLUE RELAY BACKUP RELAY BLK WIRE BLU WIRE BRN WIRE CIRCUIT 15 RELAY COMAND CONTROL UNIT CUP HOLDER CUP HOLDER BUTTON CUP HOLDER ILLUMINATION DIGITAL TACHOGRAPH CONTROL UNIT DRIVER SEAT CONTROL UNIT ELECTRIC BRAKE CONTROL ELECTRIC CONNECTOR ELECTRIC PARKING BRAKE CONTROL UNIT EXTERIOR LIGHTS SWITCH FROM INTERIOR PREFUSE BOX (DIAGRAM 1 OF 4) FRONT CIGAR LIGHTER W/ ASHTRAY ILLUMINATION FRONT PASSENGER SEAT CONTROL UNIT FUEL PUMP CONTROL UNIT FUEL QUALITY SENSOR FUSE 107 FUSE 109 FUSE 110 FUSE 111 FUSE 112 FUSE 113 FUSE 114 FUSE 115 FUSE 116 FUSE 117 FUSE 118 FUSE 119 FUSE 120 FUSE 121 FUSE 124 FUSE 125 FUSE 126 FUSE 127 FUSE 128 FUSE 129 FUSE 130 FUSE 132 FUSE 133 FUSE 139 FUSE 143 FUSE 144 FUSE 145 FUSE 147 FUSE 148 FUSE 149 FUSE 150 FUSE 151 FUSE 152 FUSE 153 FUSE 154 FUSE 155 FUSE 157 GRN WIRE GRY WIRE HEATED REAR WINDOW RELAY LEFT REAR BUMPER INTELLIGENT RADAR SENSOR LEFT REAR BUMPER RADAR SENSOR, RIGHT REAR BUMPER RADAR SENSOR LEFT SECOND SEAT ROW SOCKET, RIGHT SECOND SEAT ROW SOCKET LOAD COMPARTMENT SOCKET N/A NCA WIRE NIGHT VIEW ASSIST CONTROL UNIT PAS (GAS) CONTROL UNIT PNK WIRE REAR CONTROL UNIT REAR WINDOW WIPER RELAY RED WIRE RESIDUAL HEAT IND LAMP SAM CONTROL UNIT SPECIAL VEHICLE MULTI-FUNCTION CONTROL UNIT STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER TAILGATE CONTROL UNIT TAILGATE WIPER MOTOR TO DC/AC CONVERTER CONTROL UNIT (DIAGRAM 2 OF 4) TO ECO START/ STOP FUNCTION ADDITIONAL BATTERY RELAY (DIAGRAM 2 OF 4) TO SOCKET MICRO SWITCH (DIAGRAM 2 OF 4) TRAILER RECOGNITION CONTROL UNIT TRANSFER CASE CONTROL UNIT WHT WIRE YEL WIRE

BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE IN (-) OUT REAR CONTROL UNIT RED/BLK WIRE RED/WHT WIRE SAM CONTROL UNIT SIG IN VIO/WHT WIRE WHT/BLK WIRE YEL/WHT WIRE

15 R 49 L BATTERY COMPARTMENT PREFUSE BOX BLK 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 DOOR LOCKS, ANTI-THEFT SYSTEM 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 MULTIPLE FUSE 1 OFF LOW OFF/ HIGH ON HIGH ON LOW POWER DISTRIBUTION SYSTEM RED/BLK WIRE RED/WHT WIRE REL-BUB REL-EK REL-HW 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 30 L 49 R 55 L 57 L 57 R 58 D 58 L 58 R A/T AIR CONDITIONING, COOLING FANS SYSTEMS ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM ENGINE CONTROLS SYSTEM AT-SIG BBV-SIG BFS 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 EDW SIG ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM FRL HL FRL HR FRL V FT-R-E-A FT-R-S-T GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HW CRASH INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEMS INTERIOR LIGHTS, EXTERIOR LIGHTS SYSTEMS KFR BEL KWS(-) KWS-SIG KZL L KZL R LDS 1 LDS 2 LDS 3 LWR MEMORY SYSTEMS MHS RE NCA WIRE NSI L ORG/ WIRE PNK/WHT WIRE RED/WHT WIRE REL FF RFL L RIGHT FRONT BRAKE WEAR SENSOR SAM CONTROL UNIT SRA-P SUPPLEMENTAL RESTRAINTS SYSTEM TBBEL L TBBEL R TFL L TFL R VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM HORNS SYSTEM WP H(+) WP V(+) WSA WWHZG WWS(-) WWS-SIG YEL WIRE YEL/BLK WIRE YEL/RED WIRE

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 3.5L, 4.6L TURBO AUTOMATIC CHILD SEAT RECOGNITION BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE CDI CONTROL UNIT DR (+) DRIVER-SIDE ANCHOR FITTING TENSIONER SQUIB ENGINE COMPARTMENT PREFUSE BOX FRONT PASSENGER ANCHOR FITTING TENSIONER SQUIB FRONT PASSENGER SEAT OCCUPIED RECOGNITION, ACSR FRONT PASSENGER SEAT W/ WEIGHT DETECTION FUSE 134 FUSE 136 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ CIRCUIT LH - ME-SFI (ME) CONTROL UNIT N/A ORG/ WIRE PPS PPS IH+ PPS LE- PPS LH- PPS RH+ PS (+) PYRO- FUSE REAR FUSE BOX RED WIRE RED/YEL WIRE RELAY ENERGIZED RH- SAM CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/BLU WIRE WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE