Mercedes-Benz CLS-class C257 (2017-2021) computer data lines system Wiring diagrams

AAG ARMREST HEATER CONTROL UNIT BLK WIRE BLU/GRY 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 FUSE 425 GRN WIRE GRN/GRY WIRE HEAT (+) HOT AT ALL TIMES LEFT FRONT CENTER CONSOLE ARMREST HEATING ELEMENT LEFT FRONT DOOR ARMREST HEATING ELEMENT LEFT FRONT DOOR CONTROL UNIT NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT FRONT CENTER CONSOLE ARMREST HEATING ELEMENT RIGHT FRONT DOOR ARMREST HEATING ELEMENT RIGHT FRONT DOOR CONTROL UNIT SIG TEMP

BLK WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 316 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT CENTER HEADLINER MIDRANGE SPEAKER AMBIANCE ILLUMINATION LEFT REAR DOME LAMP LIN OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/WHT WIRE RIGHT CENTER HEADLINER MIDRANGE SPEAKER AMBIANCE ILLUMINATION RIGHT REAR DOME LAMP RL (+) ROOF CENTER MIDRANGE SPEAKER AMBIANCE ILLUMINATION SIG RL VIO WIRE W/ PREMIUM AMBIENT LIGHTING W/O PREMIUM AMBIENT LIGHTING WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FRONT CENTER CONSOLE CUP HOLDER ILLUMINATION FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 200 GLOVE BOX LAMP) GLOVE BOX LAMP/ SWITCH GRN WIRE GRY/BLU WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT ILLUMINATED DOOR SILL MOLDING LEFT FRONT MIRROR LAMP SWITCH LEFT SUN VISOR MIRROR LAMP LIN NCA WIRE PERFUME ATOMIZER GENERATOR RED WIRE RED/YEL WIRE RIGHT FRONT ILLUMINATED DOOR SILL MOLDING RIGHT FRONT MIRROR LAMP SWITCH RIGHT SUN VISOR MIRROR LAMP SIG SIG (+) COC SIG (2) W/ AIR QUALITY PACKAGE WHT/RED WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE AMBIANCE ILLUMINATION GRN WIRE GRN/YEL WIRE GRY/YEL WIRE INNER/OUTER LOWER/UPPER DIGITAL INSTRUMENT CLUSTER FULL DISPLAY AMBIENT LIGHTING LEFT FRONT CENTER CONSOLE AMBIANCE ILLUMINATION LEFT FRONT FOOTWELL LAMP LEFT REAR FOOTWELL LAMP LIN PASSENGER-SIDE INTERIOR AMBIANCE ILLUMINATION RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT CENTER CONSOLE AMBIANCE ILLUMINATION RIGHT FRONT FOOTWELL LAMP WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BLU 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/YEL WIRE GRY/BLK WIRE HECKL HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LIN 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/BLU WIRE RED/YEL WIRE RIGHT REAR FOOTWELL LAMP SIG SIG (+) HECKD TRUNK LID/ LIFTGATE LOCK TRUNK LID/LIFTGATE EXTERNAL OPERATION SWITCH YEL WIRE YEL/BLU WIRE YEL/RED WIRE

BLK WIRE BLK/VIO WIRE BLU/GRN WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DCS DCS GND LEFT REAR DOOR AMBIANCE ILLUMINATION LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR EXIT LAMP LEFT REAR DOOR EXTERIOR DOOR HANDLE ILLUMINATION LEFT REAR DOOR HANDLE AMBIANCE ILLUMINATION LEFT REAR DOOR LOCK LEFT REAR DOOR STOWAGE COMPARTMENT ILLUMINATION LEFT REAR DOOR WARNING LAMP ORG/GRN WIRE PRE-LOCKING POSITION MICROSWITCH RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR AMBIANCE ILLUMINATION RIGHT FRONT DOOR EXIT LAMP RIGHT FRONT DOOR HANDLE AMBIANCE ILLUMINATION RIGHT FRONT DOOR LOCK RIGHT FRONT DOOR STOWAGE COMPARTMENT ILLUMINATION RIGHT FRONT DOOR WARNING LAMP SIG VIO WIRE W/ PREMIUM AMBIANCE ILLUMINATION W/ PREMIUM AMBIENT LIGHTING YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE CAN H H CAN H L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FLEX-E BM FLEX-E BP FLEX-E BP PNK FLEX-E BM WIRE FUSE 205 FUSE 311 FUSE 415 FUSE 6 GRN WIRE GRN/ORG WIRE GRN/PNK WIRE GRN/WHT WIRE GRY/GRN WIRE HOT AT ALL TIMES INTELLIGENT DRIVE CONTROL UNIT (LEFT SIDE OF LUGGAGE COMPT) LEFT OUTER FRONT BUMPER RADAR SENSOR ME-SFI (ME) CONTROL UNIT MOT- MULTIPLE FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RIGHT OUTER FRONT BUMPER RADAR SENSOR SENS (+) SENS 2 SENS 1 SENS GND STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH THROTTLE VALVE ACTUATOR VIO WIRE VIO/WHT WIRE YEL/BLU WIRE

ACCELERATOR PEDAL SENSOR ACTIVE BRAKE ASSIST CONTROLLER UNIT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DISTRONIC DISTANCE-PILOT CONTROLLER UNIT DRIVETRAIN CONTROL UNIT FLEX-E BP GRN WIRE GRN/WHT WIRE HECKD INSTRUMENT CLUSTER LEFT OUTER REAR BUMPER RADAR SENSOR PNK FLEX-E BM WIRE PNK WIRE RADOME HEATER REAR SAM CONTROL UNIT RED/BLK WIRE RED/BLU WIRE RIGHT OUTER REAR BUMPER RADAR SENSOR SENS 1 (+) SENS 1 SENS 1 GND SENS 2 SENS 2 (+) SENS 2 GND SHORT, LONG-RANGE RADAR SENSOR SIG VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L CENTER CONSOLE ARMREST STOWAGE COMPARTMENT SWITCH, CONTROLS ILLUMINATION COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FLEX-E BM FLEX-E BP FRONT CENTER CONSOLE CUP HOLDER ILLUMINATION FRONT CENTER CONSOLE USB CONNECTOR FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT SAM CONTROL UNIT (LEFT END OF DASH) FRONT VEHICLE INTERIOR POWER OUTLET FUSE 128 FUSE 200 FUSE 205 FUSE 316 GRN WIRE GRY WIRE GRY/BLU WIRE HEAD UNIT HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE SENS SIG (2) SIG 1 PNK SENS (+) COC WIRE SIG 1 PNK SENS WIRE SIG 3 STEERING COLUMN MODULE CONTROL UNIT VIO WIRE W/ SMOKER'S PACKAGE W/ WIRELESS MOBILE PHONE CHARGING W/O SMOKER'S PACKAGE WHT WIRE

BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN-B H AAG COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 214 FUSE 301 FUSE 451 HOT AT ALL TIMES LEFT REAR BACKREST HEATER PAD LEFT REAR DOOR CONTROL UNIT LEFT REAR SEAT CLIMATE CONTROL SWITCH GROUP LEFT REAR SEAT SITTING SURFACE HEATED CUSHION NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR BACKREST HEATER PAD RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT CLIMATE CONTROL SWITCH GROUP RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION SIG VIO WIRE