Mercedes-Benz CLA-class C117/X117 facelift (2016-2019) sam control unit Wiring diagrams

BLK WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 90 GRN WIRE GRN/WHT WIRE HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT REAR BUMPER INTELLIGENT RADAR SENSOR RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR SAM CONTROL UNIT T A B(+) T A W(+) VEHICLE INTERIOR FUSE BOX

BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM FUSE 25 FUSE 32 FUSE 56 GRN WIRE GRN/WHT WIRE HEADLAMP CLEANING SYSTEM PUMP HOT AT ALL TIMES INSTRUMENT CLUSTER LIFTGATE WINDSHIELD WASHER SYSTEM SWITCH RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE SAM CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT VEHICLE INTERIOR FUSE BOX WINDSHIELD WASHER SYSTEM SWITCH WIPER SWITCH

AMBIENT LAMP BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE D/L FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT DOME LAMP SWITCH FUSE 39 FUSE 82 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 GRN/BRN WIRE GRN/ORG WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR DIMMING INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT READING LAMP SWITCH LEFT INTERIOR LAMP LEFT MOUNTING CONSOLE INCIDENT ILLUMINATION LL (+) LL (+) GND NAVIGATION, DOOR LOCKS, ANTI-THEFT SYSTEMS ORG/ WIRE ORG/GRN WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF SWITCH RAIN/LIGHT SENSOR REAR DOME LAMP, SWITCH REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT READING LAMP SWITCH RIGHT INTERIOR LAMP RIGHT MOUNTING CONSOLE INCIDENT ILLUMINATION SAM CONTROL UNIT SIG VEHICLE INTERIOR FUSE BOX VIO WIRE W/O RAIN SENSOR WHT WIRE WHT/YEL WIRE YEL WIRE

BLK/GRY WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FUSE 24 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES MOT- ORG/BLU WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP SAM CONTROL UNIT SEATS SYSTEM SIG VEHICLE INTERIOR FUSE BOX WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

ALTERNATOR AMPLIFIER CONTROL UNIT AUDIO COMAND CONTROL PANEL AUDIO/ COMAND DISPLAY AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BATTERY SENSOR BLK WIRE BLU WIRE BRN WIRE CONTROL UNIT) DECOUPLING RELAY DRIVER SEAT CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT ECO START/ STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT FAN MOTOR FRONT ELECTRICAL PREFUSE BOX FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FUEL PUMP CONTROL UNIT FUSE 1 FUSE 2 FUSE 21 FUSE 22 FUSE 23 FUSE 24 FUSE 25 FUSE 27 FUSE 3 FUSE 32 FUSE 33 FUSE 34 FUSE 36 FUSE 37 FUSE 38 FUSE 39 FUSE 4 FUSE 46 FUSE 5 FUSE 54 FUSE 55 FUSE 56 FUSE 57 FUSE 58 FUSE 59 FUSE 6 FUSE 60 FUSE 61 FUSE 62 FUSE 63 FUSE 7 FUSE 73 FUSE 74 FUSE 75 FUSE 76 FUSE 77 FUSE 78 FUSE 8 FUSE 98 GRN WIRE GRY WIRE KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT N/A ON-BOARD ELECTRICAL SYSTEM BATTERY OVERHEAD CONTROL PANEL CONTROL UNIT PYROFUSE RED WIRE RIGHT FRONT DOOR CONTROL UNIT SAM CONTROL UNIT SOUND SYSTEM STARTER STARTER FRONT-END RELAY STEERING COLUMN MODULE CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM TO ENGINE COMPARTMENT FUSE, RELAY MODULE (DIAGRAM 2 OF 5) TO ENGINE COMPARTMENT FUSE, RELAY MODULE (DIAGRAM 3 OF 5) TO FUSE 110 (DIAGRAM 2 OF 5) TO FUSE 47 (DIAGRAM 2 OF 5) TRAILER RECOGNITION CONTROL UNIT TRUNK LID/LIFT GATE CONTROL UNIT VEHICLE INTERIOR FUSE BOX VIO WIRE W/ MEMORY W/O MEMORY W/O START/STOP VOLTAGE DIP PROTECTION W/ START/STOP VOLTAGE DIP PROTECTION WHT WIRE YEL WIRE

AC HOUSING, ADAPTIVE DAMPING SYSTEM ALL-WHEEL DRIVE CONTROL UNIT ATA (EDW)/TOWING SENSOR/INTERIOR MOTION SENSOR CONTROL UNIT BLK WIRE BLU WIRE BRN WIRE CAMERA COVER CONTROL UNIT CHARGING SOCKET ELECTRICAL CONNECTOR CIRCUIT 15 RELAY CIRCUIT 15 RELAY (UNLATCHED) COMAND CONTROL UNIT COMAND FAN MOTOR CONTROL UNIT) CONTROL UNIT, CRADLE FOR NAVIGATION MODULE DIAGNOSTIC CONNECTOR DISTRONIC ELECTRIC CONTROLLER UNIT, COLLISION PREVENTION ASSIST CONTROLLER UNIT DRIVE KIT CONTROL UNIT FOR IPHONE DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE SOUND CONTROL UNIT FANFARE HORN RELAY FM, AM, CL (ZV) ANTENNA AMPLIFIER FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 5) FROM FUSE 46 (DIAGRAM 1 OF 5) FROM FUSE 57 (DIAGRAM 1 OF 5) FUSE 100 FUSE 101 FUSE 102 FUSE 103 FUSE 109 FUSE 110 FUSE 201 FUSE 202 FUSE 203 FUSE 204 FUSE 206 FUSE 207 FUSE 208 FUSE 209 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 236 FUSE 237 FUSE 40 FUSE 41 FUSE 42 FUSE 43 FUSE 44 FUSE 45 FUSE 47 FUSE 48 FUSE 49 FUSE 50 FUSE 79 FUSE 80 FUSE 81 FUSE 82 FUSE 83 FUSE 84 FUSE 85 FUSE 86 FUSE 87 FUSE 88 FUSE 97 GRN WIRE GRY WIRE HEADLAMP CONTROL UNIT HEATED WINDSHIELD RELAY INSTRUMENT CLUSTER LEFT FRONT LAMP UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR MOBILE PHONE CONTACT PLATE N/A ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE PARKING SYSTEM PNK WIRE RADIO RED WIRE RESERVE FUSE 221 RIGHT FRONT LAMP UNIT RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR SAM CONTROL UNIT STARTER CIRCUIT 50 RELAY STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER UNIT TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH TO CIRCUIT TO CIRCUIT 87 RELAY (DIAGRAM 3 OF 5) TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 5 OF 5) TO FUSE 99 (DIAGRAM 4 OF 5) UPPER CONTROL PANEL CONTROL UNIT VIO WIRE W/ ACTIVE PARK ASSIST W/ NAVIGATION W/ PRE- SAFE W/ STATIONARY HEATER W/O NAVIGATION W/O STATIONARY HEATER WHT WIRE WINDSHIELD WIPER ON/OFF RELAY YEL WIRE

ASHTRAY ILLUMINATION BACKUP RELAY BLK WIRE BLU WIRE BRN WIRE CIGARETTE LIGHTER HEATING ELEMENT CIRCUIT 87 RELAY CYLINDER 1, 2, 3, 4 IGNITION COILS DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FROM CIRCUIT 15 RELAY (DIAGRAM 2 OF 5) FROM FUSE 79 (DIAGRAM 2 OF 5) FROM VEHICLE INTERIOR FUSE BOX (DIAGRAM 1 OF 5) FRONT CIGAR LIGHTER W/ ASHTRAY ILLUMINATION FUSE 211 FUSE 212 FUSE 213 FUSE 214 FUSE 215 FUSE 216 FUSE 217 FUSE 218 FUSE 219 FUSE 234 FUSE 235 FUSE 70 FUSE 71 FUSE 72 GRN WIRE GRY WIRE HEATED REAR WINDOW RELAY HEATED WINDSHIELD RELAY INTAKE CAMSHAFT SOLENOID, EXHAUST CAMSHAFT SOLENOID LUGGAGE COMPARTMENT SOCKET ME-SFI (ME) CONTROL UNIT N/A RADIATOR SHUTTERS ACTUATOR REAR CENTER CONSOLE POWER OUTLET RED WIRE RESERVE FUSE 69 SAM CONTROL UNIT TO CIRCUIT TRANSMISSION OIL COOLING COOLANT CIRCULATION PUMP RELAY VEHICLE INTERIOR POWER OUTLET W/ ASHTRAY PACKAGE/SMOKER PACKAGE W/O ASHTRAY PACKAGE/SMOKER PACKAGE WHT WIRE YEL WIRE

ALL-WHEEL DRIVE CONTROL UNIT BACKUP CAMERA CONTROL UNIT, 360 DEGREE CAMERA CONTROL UNIT BLK WIRE BLU WIRE BRN WIRE CIRCUIT 15 RELAY CONTROL UNIT) ELECTRIC PARKING BRAKE CONTROL UNIT EXTERIOR LIGHTS SWITCH FOOTWHEEL ILLUMINATION SWITCH FROM CIRCUIT FROM FUSE 97 (DIAGRAM 2 OF 5) FROM HEATED REAR WINDOW RELAY (DIAGRAM 3 OF 5) FRONT PASSENGER SEAT OCCUPIED RECOGNITION, ACSR FUEL PUMP CONTROL UNIT FUSE 104 FUSE 105 FUSE 106 FUSE 107 FUSE 108 FUSE 28 FUSE 29 FUSE 30 FUSE 31 FUSE 64 FUSE 65 FUSE 66 FUSE 67 FUSE 68 FUSE 89 FUSE 90 FUSE 91 FUSE 92 FUSE 93 FUSE 94 FUSE 95 FUSE 96 FUSE 99 GLOVE BOX LAMP) GRN WIRE GRY WIRE MEDIA INTERFACE CONTROL UNIT, MULTIMEDIA CONNECTION UNIT MULTIFUNCTION CAMERA N/A PEDAL OPERATION MONITOR SWITCH PNK WIRE REAR WINDOW WIPER RELAY RED WIRE SAM CONTROL UNIT SPECIAL- PURPOSE VEHICLE INTERFACE SUPPLEMENTAL RESTRAINT SYSTEM TAILGATE WIPER MOTOR TIRE PRESSURE MONITOR CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT TUNER UNIT (IF EQUIPPED) VIO WIRE WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT WIRE YEL WIRE

A HF ADDITIONAL BATTERY AUX BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT ECO START/ STOP FUNCTION ADDITIONAL BATTERY RELAY ECO START/STOP FUNCTION ADDITIONAL BATTERY ELECTRONIC IGNITION SWITCH CONTROL UNIT FM, AM, CL (ZV) ANTENNA AMPLIFIER FROM VEHICLE INTERIOR FUSE BOX (DIAGRAM 2 OF 5) FT DF FUSE 26 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE LEFT FRONT DOOR CONTROL UNIT ORG/ WIRE RED WIRE RED/YEL WIRE SAM CONTROL UNIT VEHICLE INTERIOR FUSE BOX W/ ECO START/STOP FUNCTION, W/O START/STOP VOLTAGE DIP PROTECTION W/O ECO START/STOP FUNCTION, W/ START/STOP VOLTAGE DIP PROTECTION

BLU WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE SYSTEM WARNING LAMP BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH ELECTRIC PARKING BRAKE CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 23 FUSE 236 FUSE 38 FUSE 73 FUSE 88 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ CIRCUIT INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK LEFT FRONT DOOR ROTARY TUMBLER SWITCH MULTI-FUNCTION DISPLAY NCA WIRE ORG/BLU WIRE PARKING BRAKE INDICATOR LAMP RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT BRAKE WEAR SENSOR SAM CONTROL UNIT SEAT BELT WARNING LAMP SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SW 1 SW 3 SW 4 SW 6 VEHICLE INTERIOR FUSE BOX W/ HEAD UP DISPLAY YEL WIRE