Mercedes-Benz CLS-class C257 facelift (2021-2024) rear sam control unit Wiring diagrams

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM DUAL BRAKE VACUUM SENSOR ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FLEX-E BP FUSE 1 FUSE 129 FUSE 2 GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/ORG WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LEFT REAR AXLE RPM SENSOR MOT GND/(+) MOT GND/(+) 31 PEDAL ANGLE SENSOR PNK/GRN WIRE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT REAR AXLE RPM SENSOR RIGHT REAR BRAKE WEAR SENSOR SIG SIG (1) SIG (2) SIG 3 SIG 4 PNK FLEX E BM PNK FLEX E BM WIRE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT FUSE 477 GRY/BLU WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT REAR LAMP UNIT REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/GRY WIRE RIGHT REAR LAMP UNIT SIG (+) HECKL SIG HECKR VIO WIRE VIO/WHT WIRE

BATTERY DISCONNECT BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 302 GRN WIRE GRN/WHT WIRE HECKD HOT W/ LEFT FRONT DOOR CONTROL UNIT LEFT OUTER REAR BUMPER RADAR SENSOR LEFT OUTSIDE MIRROR PASSENGER-SIDE A-PILLAR FUSE BOX REAR SAM CONTROL UNIT RED WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTER REAR BUMPER RADAR SENSOR RIGHT OUTSIDE MIRROR SIG SWITCH RELAY ENERGIZED

BLK WIRE BLU/BRN WIRE BLU/ORG WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 203 FUSE 214 FUSE 301 FUSE 302 FUSE 417 FUSE 476 GRN WIRE GRN/YEL WIRE GRY/BLK WIRE HECKL HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LUGGAGE COMPARTMENT LAMP PASSENGER-SIDE A-PILLAR FUSE BOX PASSENGER-SIDE EXTERIOR AMBIANCE ILLUMINATION REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT REAR FOOTWELL LAMP SIG SIG (1) SIG 1 HECKD TRUNK LID/ LIFTGATE LOCK TRUNK LID/LIFTGATE EXTERNAL OPERATION SWITCH YEL WIRE YEL/BLU WIRE YEL/RED WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/VIO WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FLEX FUSE 200 FUSE 209 FUSE 211 FUSE 305 FUSE 477 GRN WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HECKL HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT INSTRUMENT CLUSTER CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT REAR LAMP UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT REAR LAMP UNIT SIG SIG (+) HECKD SIG HECKR SIG SIG STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/BLU WIRE VIO/WHT WIRE YEL/WHT WIRE

BRN WIRE BRN/BLK WIRE BRN/WHT WIRE CENTER STOP LAMP INNER LEFT REAR LAMP UNIT INTELLIGENT DRIVE CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT LICENSE PLATE LAMP LEFT OUTER REAR BUMPER RADAR SENSOR LEFT REAR BACKREST INCLINATION SWITCH LEFT REAR BACKREST LOCK SWITCH LUGGAGE COMPARTMENT LAMP MULTICONTOUR SEAT PNEUMATIC PUMP PARKING SYSTEM CONTROL UNIT REAR SAM CONTROL UNIT REAR SWITCHING MODULE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT LICENSE PLATE LAMP RIGHT OUTER REAR BUMPER RADAR SENSOR RIGHT REAR BACKREST INCLINATION SWITCH RIGHT REAR BACKREST LOCK SWITCH RIGHT REAR DOOR CONTROL UNIT TIRE PRESSURE MONITOR CONTROL UNIT TRUNK LID CONTROL UNIT TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID/ LIFTGATE EXTERNAL OPERATION SWITCH

AMBIANCE ILLUMINATION CONTROL UNIT BRN WIRE BRN/GRN WIRE DIAGNOSTIC CONNECTOR DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT HYBRID CAN (CAN L) POTENTIAL DISTRIBUTOR INNER RIGHT REAR LAMP UNIT LEFT EXHAUST FLAP ACTUATOR MOTOR LEFT FANFARE HORN LEFT FRONT DOOR CONTROL UNIT LEFT REAR DOOR CONTROL UNIT LOW TEMPERATURE CIRCUIT CIRCULATION PUMP 1 LOW TEMPERATURE CIRCUIT SWITCHOVER VALVE NCA WIRE OVERHEAD CONSOLE OVERHEAD CONTROL PANEL CONTROL UNIT PARK PAWL CAPACITOR PERIPHERY CAN (CAN PER) POTENTIAL DISTRIBUTOR RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR SAM CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT LAMP UNIT RIGHT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR RIGHT REAR LAMP UNIT SLIDING ROOF CONTROL MODULE SOUND SYSTEM AMPLIFIER CONTROL UNIT STARTER GENERATOR CONTROL UNIT STEREO MULTI-FUNCTION CAMERA USER INTERFACE CAN (CAN HMI) POTENTIAL DISTRIBUTOR

BLK/BLU WIRE BLK/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 476 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT REAR BACKREST INCLINATION SWITCH LEFT REAR BACKREST LOCK SWITCH ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED/BLK WIRE RIGHT REAR BACKREST INCLINATION SWITCH RIGHT REAR BACKREST LOCK SWITCH SIG

ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, CRUISE CONTROL SYSTEMS BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM FRONT SAM CONTROL MODULE CIRCUIT GRN WIRE GRN/WHT WIRE GRY WIRE INTERIOR LIGHTS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS NAVIGATION SYSTEM NAVIGATION, CRUISE CONTROL SYSTEMS ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM REAR SAM CONTROL UNIT REAR SAM CONTROL UNIT (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/BLU WIRE SEATS SYSTEM SIG SIG (+) HECKD TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLU WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON DRIVER-SIDE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT FUSE 203 FUSE 477 FUSE 478 GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT MOT GND/(+) MOT GND/(+) SIG REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SEPARATE TRUNK LID LOCK SWITCH SIG SIG (+) COC SIG (+) HECKD SIG HECKR TANK CAP CENTRAL LOCKING ACTUATOR TRUNK LID CONTROL UNIT TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID/ LIFTGATE CONTROL BUTTON TRUNK LID/ LIFTGATE CONTROL WARNING BUZZER TRUNK LID/ LIFTGATE EXTERNAL OPERATION SWITCH TRUNK LID/ LIFTGATE LOCK TRUNK LID/ LIFTGATE LOCKING ELEMENT TRUNK LID/LIFTGATE CONTROL DRIVE UNIT WHT WIRE WHT/GRN WIRE