Mercedes-Benz E-class W212/S212/C207/A207 (2009-2013) nca Wiring diagrams
This page contains all the electrical diagrams for the component. nca, in which he is found in the car Mercedes-Benz E-class W212/S212/C207/A207 (2009-2013). You can view various wiring diagrams where this component is used, as well as go to more detailed diagrams to see the complete connection and interaction in the system. All diagrams have links to quickly jump to the corresponding section with the component for easy viewing..
nca wiring diagram (41 of 90)
1 2 MOST 3 MOST OUT MOST IN
2 1 MOST 27 MOST IN MOST OUT
2 1 MOST 5 MOST IN MOST OUT
AMPLIFIER
ANT BT SHIELD GPS
ANT GPS
ANTENNA AMPLIFIER
BACKUP CAMERA VOLTAGE SUPPLY MODULE
BLK WIRE
BLU WIRE
BLU/BLK WIRE
BRN WIRE
BRN/GRN WIRE
BRN/ORG WIRE
COMAND CONTROL UNIT
DAB BAND 3 ANTENNA AMPLIFIER
FM 2
FM, AM, CL ANTENNA AMPLIFIER
FUSE 85
GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER
GRN WIRE
HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED
MOST
MOST IN
MOST OUT
NCA WIRE
ORG/ WIRE
REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK)
REAR WINDOW ANTENNA FM ANTENNA AMPLIFIER
RED/BLU WIRE
RIGHT DOOR BASS SPEAKER
RIGHT DOOR SPEAKER (W/O SOUND SYSTEM)
RIGHT DOOR TWEETER
RSE
RVC
SHIELD
SHIELD 1 TV
SHIELD FM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
TV TUNER (ANALOG/DIGITAL), DIGITAL TV TUNER (IF EQUIPPED)
WAKE-UP
WHT WIRE
Go to component -> Comand actuation circuit, coupe (2 of 2) -> NCA WIRE
nca wiring diagram (42 of 90)
1 2 3 4 5 6 7 8 9 10 11 12 ANST (-)
1 2 3 4 5 6 7 8 RR+ FR+
1 2 3 4 MOST OUT MOST IN
3 9 2 1 SHIELD GND MIC 2 MIC 1
6 7 8 9 10 11 12 AUX L
AUDIO/COMAND DISPLAY
AUX JACK ELECTRICAL CONNECTOR
BLK WIRE
BLK/WHT WIRE
BLU WIRE
BLU/BLK WIRE
BLU/WHT WIRE
BRN WIRE
BRN/GRN WIRE
BRN/ORG WIRE
BRN/RED WIRE
BRN/VIO WIRE
BRN/WHT WIRE
BRN/YEL WIRE
CALL SYSTEM) EMERGENCY CALL SYSTEM CONTROL UNIT
CAN A L CAN A H DIAG (+)
CAN B L MUTE CAN B H 31
COMAND CONTROL UNIT
COMAND FAN MOTOR
COMPUTER DATA LINES SYSTEM
DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT)
FL- RL-
FUSE 26
GND MIC - AUX GND AUX S
GRN WIRE
GRN/WHT WIRE
GRY WIRE
GRY/YEL WIRE
HANDS-FREE SYSTEM MICROPHONE
HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED
HR- FR-
INSIDE REARVIEW MIRROR
LEFT FRONT DOOR BASS SPEAKER
LEFT FRONT DOOR TWEETER
LEFT REAR LEFT REAR DOOR DOOR BASS TWEETER SPEAKER
NCA NCA WIRE
NCA WIRE
ORG/ WIRE
ORG/WHT WIRE
PNK 1 2 3 4 5 MIC 1+ MIC 2+ SHIELD MIC + AUX SHIELD WIRE
PNK WIRE
RADIO (W/ AUDIO 20) RADIO W/ AUTO PILOT SYSTEM (W/ AUDIO 50)
RED WIRE
RED/BLU WIRE
RED/WHT WIRE
RED/YEL WIRE
RIGHT REAR RIGHT REAR DOOR BASS DOOR SPEAKER TWEETER
SOUND SYSTEMS
VIO WIRE
W/ AUDIO 20, 50
W/O AUDIO 20, 50
W/O SOUND SYSTEM
WAKE-UP
WHT WIRE
YEL WIRE
Go to component -> Comand actuation circuit, sedan (1 of 2) -> NCA WIRE
nca wiring diagram (43 of 90)
1 2 3 4 5 6 7 8 9 10 11 12 ETC
AFM
ANT BT SHIELD
ANT GPS SHIELD
ANTENNA AMPLIFIER
BACKUP CAMERA VOLTAGE SUPPLY MODULE (IF EQUIPPED)
BLK WIRE
BLUETOOTH ANTENNA
BRN WIRE
BRN/ORG WIRE
COMAND CONTROL UNIT
DVD PLAYER (W/ REAR ENTERTAINMENT)
FM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER
GPS
KEYLESS GO ANTENNA AMPLIFIER
MEDIA INTERFACE ELECTRICAL CONNECTOR (IF EQUIPPED)
MULTI-FUNCTION ANTENNA
NCA WIRE
NIGHT VISION ASSIST CONTROL UNIT (IF EQUIPPED)
ORG/ WIRE
RIGHT FRONT DOOR BASS SPEAKER
RIGHT FRONT DOOR TWEETER
SHIELD
SIG SHIELD
VIDEO C SHD VIDEO C
VIDEO Y SHD VIDEO Y
W/ MEDIA INTERFACE W/ VIDEO
W/O MEDIA INTERFACE W/ VIDEO
W/O SOUND SYSTEM
YEL WIRE
Go to component -> Comand actuation circuit, sedan (2 of 2) -> NCA WIRE
nca wiring diagram (44 of 90)
2 LCT
BLK WIRE
BLK/YEL WIRE
BLU/BLK WIRE
BLU/BRN WIRE
BLU/GRN WIRE
BLU/GRY WIRE
BLU/PNK WIRE
BLU/VIO WIRE
BREAKDOWN ASSISTANCE BUTTON
BRN WIRE
CAN D H CAN D L
CENTER INSTRUMENT PANEL SPEAKER
COMPUTER DATA LINES SYSTEM
DIAGNOSTIC CONNECTOR
DRIVER SIDE SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF
EMERGENCY CALL SYSTEM ANTENNA
EMERGENCY CALL SYSTEM BUTTON
EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT OF TRUNK)
ENGINE COMPT)
FUSE 83 (LEFT SIDE OF TRUNK)
FUSE 87
GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER
GPS
GRY WIRE
GRY/BLU WIRE
GRY/WHT WIRE
HOT AT ALL TIMES
HOT W/ CIRCUIT
MB INFO BUTTON
MB-INFO, BREAKDOWN ASSISTANCE BUTTON
MIKR + MIKR - (-) KEEP ON
MULTI-FUNCTION ANTENNA
MUTE
NCA WIRE
OVERHEAD CONTROL PANEL CONTROL MODULE (W/ POWER TILTING/ SLIDING ROOF)
RADIO (W/ AUDIO 20) COMAND CONTROL UNIT (W/O AUDIO 20)
REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE
RED/BLU WIRE
SHIELD ANT GPS
SHIELD SIG ANT NOT SHIELD 1 2
SOS LED WS LED INFO LED SOS WS INFO CRASH
SOUND SYSTEM AMPLIFIER CONTROL UNIT
SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT
TEL
VIO WIRE
W/ COMAND
W/ NAVIGATION
W/ W/O NAVIGATION NAVIGATION
W/O COMAND
W/O NAVIGATION
YEL WIRE
YEL/BLK WIRE
YEL/RED WIRE
YEL/VIO WIRE
Go to component -> Emergency call circuit, coupe -> NCA WIRE
nca wiring diagram (45 of 90)
2 LCT
BLK WIRE
BLK/WHT WIRE
BLU WIRE
BLU/BLK WIRE
BLU/GRY WIRE
BLU/WHT WIRE
BREAKDOWN ASSISTANCE BUTTON
BRN WIRE
BRN/GRN WIRE
CAN D H CAN D L
CENTER INSTRUMENT PANEL SPEAKER
COMAND CONTROL UNIT (IF EQUIPPED)
COMPUTER DATA LINES SYSTEM
DIAGNOSTIC CONNECTOR
DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT)
EMERGENCY CALL SYSTEM ANTENNA (PACKAGE SHELF)
EMERGENCY CALL SYSTEM BUTTON
EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER OF TRUNK)
FUSE 83 W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK)
FUSE 87
GPS
GRN WIRE
GRY WIRE
GRY/BLU WIRE
GRY/WHT WIRE
HOT AT ALL TIMES
HOT W/ CIRCUIT
MB INFO BUTTON
MB-INFO, BREAKDOWN ASSISTANCE BUTTON
MIC + MIC -
MOBILE PHONE ELECTRICAL CONNECTOR (IF EQUIPPED),
MOBILE PHONE, STATIONARY HEATER RADIO REMOTE CONTROL ANTENNA SPLITTER (TRUNK)
MULTI-FUNCTION ANTENNA
MUTE
NAVIGATION PROCESSOR
NCA WIRE
OVERHEAD CONTROL PANEL CONTROL MODULE (W/ POWER TILTING/
PNK/GRN WIRE
POWER DISTRIBUTION SYSTEM
REAR SAM CONTROL MODULE
RED/BLK WIRE
SHIELD ANT GPS
SIG SHIELD ANT NOT SHIELD
SOUND SYSTEM AMPLIFIER CONTROL UNIT
SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT
TEL
VIO WIRE
W/ BLUETOOTH
W/ COMAND
W/O BLUETOOTH
W/O BLUETOOTH (W/ BLUETOOTH)
W/O COMAND
WHT WIRE
YEL WIRE
YEL/VIO WIRE
Go to component -> Emergency call circuit, sedan -> NCA WIRE
nca wiring diagram (46 of 90)
1 2 3 4 5 6 31 CAN E L CAN E H GND
1 2 3 4 LVDS P VIDEO P LVDS N VIDEO N VIDEO N
2 1 CAN E L CAN E H
AUXILIARY HEATER HEATING ELEMENT
BLU WIRE
BRN WIRE
BRN/BLK WIRE
COMPUTER DATA LINES SYSTEM
COUPE
COUPE, SEDAN
DEFROST - DEFROST +
DRIVER SIDE SAM CONTROL MODULE W/ FUSE/ RELAY MODULE (LEFT REAR OF ENGINE COMPT)
FUSE 13
GRN WIRE
GRN/WHT WIRE
HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED
MULTI-FUNCTION CAMERA
NCA WIRE
ORG/ WIRE
RED/WHT WIRE
SEDAN
VEHICLE FLOOR CHASSIS CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR
VIDEO P
VIDEO, RADAR SENSOR CONTROL UNIT
Go to component -> Multifunction camera circuit -> NCA WIRE
nca wiring diagram (47 of 90)
BRN WIRE
BRN/GRN WIRE
CENTER INSTRUMENT PANEL SPEAKER
COMAND CONTROL UNIT
CVC
ELECTRONIC STABILITY PROGRAM CONTROL UNIT
ESP BASIC
FUSE 77
GPS
GRN WIRE
GRN/YEL WIRE
GRY/BLU WIRE
HOT W/
HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED
MULTI-FUNCTION ANTENNA
NAVIGATION PROCESSOR (LEFT SIDE OF TRUNK)
NAVIGATION REMOTE CONTROL INFRARED RECEIVER
NCA WIRE
PNK/GRN WIRE
PREMIUM ELECTRONIC STABILITY PROGRAM CONTROL UNIT
RED/GRN WIRE
SHIELD
SIG 31
SIG SHIELD
WHT WIRE
Go to component -> Navigation circuit -> NCA WIRE
nca wiring diagram (48 of 90)
BACKUP CAMERA, EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED)
BLK/WHT WIRE
BLK/YEL WIRE
BRN WIRE
CIRCUIT 15 RELAY
EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED)
FROM FUSE 46 (DIAGRAM
FROM FUSE 52 (DIAGRAM
FROM FUSE 61 (DIAGRAM 1 OF 5)
FROM FUSE 76 (DIAGRAM
FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION (W/ SMOKER PACKAGE)
FRONT PASSENGER SEAT NECK-PRO HEAD RESTRAINT SOLENOID
FRONT VEHICLE INTERIOR POWER OUTLET (W/ O SMOKER PACKAGE)
FUEL PUMP CONTROL UNIT
FUEL PUMP RELAY FUSE 42
FUSE
FUSE 37 FUSE 71
FUSE 38
FUSE 39
FUSE 41
FUSE 56
FUSE 59
FUSE 60
FUSE 83
FUSE 84
GRY WIRE
GRY/BLU WIRE
MULTICONTOUR SEAT PNEUMATIC PUMP (IF EQUIPPED)
NCA WIRE
OVERHEAD CONTROL PANEL ELECTRONICS
PNK/YEL WIRE
REAR CONTROL UNIT
RED WIRE
RED/BLK WIRE
RED/BLU (OR PNK/RED) WIRE
RED/BLU WIRE
RED/GRN WIRE
RED/WHT WIRE
RELAY 1
RES FUSE
RES FUSE 52
RES FUSE 64
RES FUSE 86 FUSE
SEAT ADJUSTMENT RELAY
TO DRIVER SIDE SAM CONTROL MODULE W/ FUSE, RELAY MODULE (DIAGRAM 4 OF 5)
TO FUSE 42 (DIAGRAM 2 OF 5)
TO FUSE 74 (DIAGRAM
TO FUSE 85 (DIAGRAM
TRAILER RECOGNITION CONTROL UNIT (W/ TRAILER HITCH)
TRAILER SOCKET
VEHICLE INTERIOR POWER OUTLET (W/ REAR SOCKET)
Go to component -> Power distribution circuit, coupe (2 of 5) -> NCA WIRE
nca wiring diagram (49 of 90)
AUDIO/ COMAND DISPLAY (IF EQUIPPED)
AUDIO/ MOBILE COMAND PHONE CONTROL ELECTRICAL PANEL CONNECTOR (IF EQUIPPED)
BLK/BLU WIRE
BLK/RED WIRE
BLU WIRE
BRN WIRE
BRN/ORG WIRE
CIRCUIT
CIRCUIT 15 RELAY
DRIVER SIDE SAM CONTROL MODULE W/ FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT)
ELECTRONIC SELECTOR LEVEL MODULE CONTROL UNIT (A/T)
ENGINE CIRCUIT 87 RELAY
EXTERIOR LIGHT SWITCH
EXTERIOR LIGHTS SWITCH
FANFARE HORN RELAY
FROM ENGINE CIRCUIT 87 RELAY (DIAGRAM
FROM FANFARE HORN RELAY (DIAGRAM
FROM FRONT PREFUSE (DIAGRAM 1 OF 5)
FROM FUSE 18 (DIAGRAM
FROM POWER OUTLETS, CIGARETTE LIGHTER (DIAGRAM 2 OF 5)
FRONT PASSENGER SEAT OCCUPIED RECOGNITION, ACSR (IF EQUIPPED)
FUSE
FUSE 10 FUSE 9
FUSE 21
FUSE 24
FUSE 25
FUSE 30 FUSE 29
FUSE 5 FUSE 7
FUSE 6
FUSE FUSE
GLOVE BOX LAMP/ SWITCH
GLOVE BOX SOCKET (IF EQUIPPED)
GRY/BLU WIRE
LEFT FRONT LAMP UNIT
LEFT INTAKE CAMSHAFT SOLENOID, LEFT EXHAUST CAMSHAFT SOLENOID
ME-SFI (ME) CONTROL UNIT
NCA WIRE
PNK WIRE
PNK/BLK WIRE
PNK/BLU WIRE
PNK/RED WIRE
PNK/YEL WIRE
REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE
RED WIRE
RED/BLK WIRE
RED/BLU WIRE
RED/BRN WIRE
RED/GRN WIRE
RED/GRY WIRE
RED/VIO WIRE
RED/WHT WIRE
RED/YEL WIRE
RIGHT FRONT LAMP UNIT
SECONDARY AIR INJECTION RELAY
STARTER CIRCUIT 50 RELAY
STEERING COLUMN MODULE CONTROL UNIT MULTI- FUNCTION CAMERA (IF EQUIPPED)
STOP LAMP SWITCH
TO CHASSIS CIRCUIT 87 RELAY (DIAGRAM
TO ENGINE CIRCUIT 87 RELAY
TO FUSE 1 (DIAGRAM
TO FUSE 14 (DIAGRAM
TO FUSE 15 (DIAGRAM
TO SECONDARY AIR INJECTION RELAY
WIPER MOTOR
WIPER PARK HEATER (IF EQUIPPED)
WIPER PARK POSITION HEATER RELAY
Go to component -> Power distribution circuit, coupe (4 of 5) -> NCA WIRE
nca wiring diagram (50 of 90)
1 2 3 VIDEO IN VIDEO GND GND
3 4 5 6 RFL- R
BACKUP CAMERA
BACKUP CAMERA VOLTAGE SUPPLY MODULE
BLK WIRE
BRN WIRE
COMAND CONTROL UNIT
COUPE
COUPE, SEDAN
CRVC CVC
FUSE 84
GRY/BLU WIRE
GRY/YEL WIRE
HOT AT ALL TIMES
LEFT REAR LAMP UNIT (SEDAN)
NCA WIRE
REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK)
RED WIRE
RED/BLU WIRE
RFL (+)
SEDAN
VIDEO OUT VIDEO GND
WHT WIRE
YEL WIRE
Go to component -> Rear camera circuit -> NCA WIRE
