Mercedes-Benz GLC-class Coupe C253 (2016-2019) nca Wiring diagrams
This page contains all the electrical diagrams for the component. nca, in which he is found in the car Mercedes-Benz GLC-class Coupe C253 (2016-2019). 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 (11 of 37)
ALTERNATOR
BATTERY SENSOR
BLK WIRE
BLK/BLU WIRE
BLU/WHT WIRE
BRN WIRE
BRN/RED WIRE
CAN B H
CAN B L
CAN HMI H
CAN HMI L
COMPUTER DATA LINES SYSTEM
DVD CHANGER CHARGING BUTTON
ENGINE COMPARTMENT PREFUSE BOX
FRONT SAM CONTROL UNIT
GRN WIRE
GRN/WHT WIRE
INSTRUMENT CLUSTER
LIN 1
LIN RBA-1
ME-SFI (ME) CONTROL MODULE
MULTI-FUNCTION DISPLAY
NCA WIRE
ON-BOARD ELECTRICAL SYSTEM BATTERY
RED WIRE
STARTING CIRCUIT
UPPER CONTROL PANEL CONTROL UNIT
YEL WIRE
YEL/WHT WIRE
Go to component -> Charging circuit -> NCA WIRE
nca wiring diagram (12 of 37)
'MEDIA' BUTTON
'NAVI' BUTTON
'RADIO' BUTTON
'TEL' BUTTON
AUDIO/COMAND DISPLAY
BLK WIRE
BLK/WHT WIRE
BLU WIRE
BREAK DOWN ASSISTANCE BUTTON
BRN WIRE
BRN/RED WIRE
CAN A H
CAN A L
CAN B H
CAN B L
CD/DVD SINGLE DRIVE BUTTON
COMPUTER DATA LINES SYSTEM
DVD CHANGER CHARGING BUTTON
FUSE 309
FUSE 322
FUSE 324
FUSE 329
FUSE 331
FUSE 334
GRN WIRE
HEAD UNIT
HOT AT ALL TIMES
HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED
LVDS RX+
LVDS TX-
MB INFO BUTTON
MOST DATA BUS CIRCUIT
MOST IN
MOST OUT
MULTIMEDIA CONNECTION UNIT
NCA WIRE
ORG/ WIRE
OVERHEAD CONTROL PANEL CONTROL UNIT
RED WIRE
RED/WHT WIRE
RIGHT A-PILLAR FUSE BOX
SHIELD
SIG
SOS BUTTON
SOUND SYSTEMS
TERMINATION
UPPER CONTROL PANEL CONTROL UNIT
VIO WIRE
W/ ENGINE SOUND CONTROL
W/ LIVE TRAFFIC INFORMATION
W/ MULTIMEDIA
W/O ENGINE SOUND CONTROL
W/O LIVE TRAFFIC INFORMATION
W/O MULTIMEDIA
WAKE-UP
WHT/YEL WIRE
YEL WIRE
Go to component -> Comand actuation circuit (1 of 5) -> NCA WIRE
nca wiring diagram (13 of 37)
'ON' BUTTON
AGILITY SELECT SWITCH
AUDIO/COMAND CONTROL PANEL
AUDIO/COMAND CONTROLLER
BACK BUTTON
BACK GROUND AUDIO BUTTON
BLK/WHT WIRE
BLU WIRE
BRN WIRE
CAN A H
CAN A L
CAN-D H
CAN-D L
COMPUTER
COMPUTER DATA LINES SYSTEM
DATA LINES
DSR
ECO START/STOP FUNCTION BUTTON
EMERGENCY CALL SYSTEM CONTROL UNIT
GPS
GRN WIRE
GRY WIRE
GRY/BLK WIRE
HERMES CONTROL UNIT
HOME, FAVORITES BUTTON
HSD
LEFT LOWER CONTROL PANEL
LIN
LTE
MIC -
MIC 1 GND
MIC 1+
MIC GND
MUTE
NCA WIRE
OFF-ROAD OPERATING PANEL
ORG/ WIRE
PARKING SYSTEM BUTTON
PNK/BLK WIRE
RED WIRE
RED/PNK WIRE
RED/WHT WIRE
RED/YEL WIRE
RIGHT LOWER CONTROL PANEL
SHIELD
SHIELD HSD
SIG
SOUND AMPLIFIER CIRCUIT
SUPPLEMENTAL RESTRAINTS SYSTEM
SYSTEM
TEL
TELEMATICS SERVICES COMMUNICATION MODULE
TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH
TELEPHONE/GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER
TOUCH PAD
VBUS
VEHICLE LEVEL BUTTON
VIO WIRE
VIO/GRN WIRE
VOLUME CONTROL BUTTON
W/ EMERGENCY CALL SYSTEM
W/ HERMES
W/ HERMES LTE
W/ PREINSTALLATION FOR TAXI ANTENNA
W/ SOUND SYSTEM
W/O EMERGENCY CALL SYSTEM
W/O HERMES
W/O SOUND SYSTEM
WHT WIRE
WHT/VIO WIRE
WHT/YEL WIRE
YEL WIRE
YEL/BRN WIRE
Go to component -> Comand actuation circuit (2 of 5) -> NCA WIRE
nca wiring diagram (14 of 37)
ACCEPT/ TERMINATE PHONE CALL BUTTON
BACK BUTTON
BLK WIRE
BLK/WHT WIRE
BRN WIRE
BUTTONS +, - FOR SETTING SPECIFIC FUNCTIONS, VOLUME CONTROL
CAN A H
CAN A L
COMMUNICATIONS MODULE/STATIONARY HEATER ANTENNA
COMPUTER DATA LINES SYSTEM
EMERGENCY CALL SYSTEM ANTENNA
FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT
GPS ANTENNA
GRN WIRE
GRN/ORG WIRE
GRY/BLU WIRE
L OK
L RETURN
LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP
LIN
MUTE FUNCTION BUTTON
MUTE VCS
NCA WIRE
OK BUTTON
PNK WIRE
RED WIRE
RED/WHT WIRE
RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP
SCROLL FORWARD/ BACK BUTTON
STEERING COLUMN MODULE CONTROL UNIT
STEERING WHEEL ELECTRONICS
SYSTEM SELECTION BUTTON
TEL
TOUCHPAD
U MFL R
UP/DOWN
V MFL L
VIO WIRE
VOICE CONTROL SYSTEM OFF BUTTON
W/ HERMES LTE
WHT WIRE
WHT/YEL WIRE
YEL WIRE
Go to component -> Comand actuation circuit (3 of 5) -> NCA WIRE
nca wiring diagram (15 of 37)
BLU WIRE
BLU/BLK WIRE
BLU/WHT WIRE
BRN WIRE
BRN/BLK WIRE
COMPUTER DATA LINES SYSTEM
ENGINE SOUND CONTROL UNIT (RIGHT REAR OF ENGINE COMPT)
FUSE 319
FUSE 424
GRN WIRE
GRN/BLK WIRE
GRY WIRE
GRY/BLK WIRE
HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED
IN FL-
IN FR-
IN RL-
IN RR-
LEFT FRONT DOOR MIDRANGE SPEAKER
LEFT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER
LEFT REAR SIDEWALL COVER MIDRANGE SPEAKER
NCA WIRE
ORG/ WIRE
ORG/BLK WIRE
OUT FL-
OUT FR+
OUT RL-
OUT RR-
REAR FUSE, RELAY MODULE
RED/BLK WIRE
RIGHT A-PILLAR FUSE BOX
RIGHT FOOTWELL WOOFER
RIGHT FRONT DOOR MIDRANGE SPEAKER
RIGHT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER
RIGHT REAR SIDEWALL COVER MIDRANGE SPEAKER
VIO WIRE
WAKEUP
WHT WIRE
WHT/BLK WIRE
WHT/YEL WIRE
Go to component -> Comand actuation circuit (4 of 5) -> NCA WIRE
nca wiring diagram (16 of 37)
AM/FM
BLK WIRE
BLK/WHT WIRE
BLU WIRE
BLU/BLK WIRE
BLUETOOTH ANTENNA
BRN WIRE
CAN A H
CAN A L PNK ETN TX+ WIRE
CAN HMI H
CAN HMI L
CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/ COMPENSATOR
COMPUTER DATA LINES SYSTEM
DIAGNOSTIC CONNECTOR
ETN RX+
ETN TX+
FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER
FM 2
FM 2, DAB BAND III ANTENNA AMPLIFIER
GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER
GPS
GRN WIRE
GRN/BLK WIRE
GRY WIRE
GRY/BLK WIRE
HANDS-FREE SYSTEM MICROPHONE
HEAD UNIT
INSIDE REAR VIEW MIRROR
LEFT "C" PILLAR)
LEFT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER
LEFT REAR SIDE WALL COVER MIDRANGE SPEAKER
LEFT/RIGHT FOOTWELL WOOFER
LVDS HU TX+
LVDS RX+
MIC -
MIC 1 IN+
MIC 2 IN+
MIC GND
MOBILE PHONE CONTACT PLATE
MOBILE PHONE, STATIONARY HEATER RADIO REMOTE CONTROL ANTENNA SPLITTER
NAVIGATION SYSTEM
NCA WIRE
ORG/ WIRE
PNK WIRE
RIGHT END OF DASH)
RIGHT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER
RIGHT REAR SIDE WALL COVER MIDRANGE SPEAKER
RX-
SHIELD
SHIELD AMFM
SHIELD GPS-BT
SIG PNK (+) WIRE
TERMINATION
VIO WIRE
VIO/BLK WIRE
W-LAN
W-LAN ANTENNA
W/O ENGINE SOUND CONTROL
WAKE-UP
WHT WIRE
WHT/BLK WIRE
WHT/YEL WIRE
YEL WIRE
YEL/WHT WIRE
Go to component -> Comand actuation circuit (5 of 5) -> NCA WIRE
nca wiring diagram (18 of 37)
BLK WIRE
BLK/WHT WIRE
BLU WIRE
BLU/BLK WIRE
BLU/WHT WIRE
BRN WIRE
BRN/BLK WIRE
CAN A H
CAN A L
COMPUTER DATA LINES SYSTEM
ENGINE SOUND CONTROL UNIT (RIGHT REAR OF ENGINE COMPT)
FUSE 319
FUSE 423
FUSE 424
FUSE 462
GRN WIRE
GRN/BLK WIRE
GRY WIRE
GRY/BLK WIRE
HEAD UNIT
HOT AT ALL TIMES
HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED
IN FL-
IN FR-
IN RL-
IN RR-
LINE 1-
LINE 2-
LINE 3-
LINE 4-
MID FL (-)
MID FR (-)
MID RL-
MID RR-
MOST DATA BUS CIRCUIT
MOST IN
MOST OUT
MUTE
NCA WIRE
ORG/ WIRE
ORG/BLK WIRE
OUT FL-
OUT FR+
OUT RL-
OUT RR-
PNK WIRE
PNK/BLK WIRE
REAR FUSE, RELAY MODULE
RED WIRE
RED/BLK WIRE
RIGHT A-PILLAR FUSE BOX
SOUND SYSTEM AMPLIFIER CONTROL UNIT
SUB FL-
SUB FR-
SURL-
SURR-
VIO WIRE
VIO/BLK WIRE
WAKE-UP
WAKEUP
WHT WIRE
WHT/BLK WIRE
WHT/YEL WIRE
YEL WIRE
YEL/BLK WIRE
Go to component -> Sound amplifier circuit (1 of 3) -> NCA WIRE
nca wiring diagram (19 of 37)
BATTERY SENSOR
BLK WIRE
BLU WIRE
BLU/WHT WIRE
BRN WIRE
BRN/RED WIRE
CAN B H
CAN B L
CHARGING CIRCUIT
COMPUTER DATA LINES SYSTEM
DIRECT SELECT LEVER
ECO START/ STOP FUNCTION BUTTON (IF EQUIPPED)
ELECTRONIC IGNITION SWITCH CONTROL UNIT
ENGINE FUSE, RELAY MODULE
FLEX RAY 1 BM
FLEX RAY 1 BP
FRONT SAM CONTROL UNIT
FULLY INTEGRATED TRANSMISSION CONTROL UNIT
FUSE 111
FUSE 127
GRN WIRE
GRN/WHT WIRE
HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED
LEFT LOWER CONTROL PANEL
LIN
LIN RBA-1
ME-SFI (ME) CONTROL UNIT
NCA WIRE
ON-BOARD ELECTRICAL SYSTEM BATTERY
P R N D
PNK FLEX RAY 1 BP WIRE
PNK WIRE
RED WIRE
RIGHT LOWER CONTROL PANEL
SEB
STARTER
STARTER CIRCUIT 50 RELAY
STEERING COLUMN MODULE CONTROL UNIT
STR+
VIO WIRE
VIO/WHT WIRE
VOLTAGE DIP LIMITER
YEL WIRE
YEL/RED WIRE
Go to component -> Starting circuit -> NCA WIRE
nca wiring diagram (20 of 37)
AIR CONDITIONING SYSTEM
BLU WIRE
BOOSTER BLOWER ELECTRONIC BLOWER REGULATOR
BRN WIRE
BRN/GRY WIRE
CLIMATE CONTROL OPERATING UNIT
CLIMATE CONTROL UNIT
COMBUSTION AIR BLOWER
COMMUNICATIONS MODULE/ STATIONARY HEATER ANTENNA SPLITTER
EMERGENCY CALL SYSTEM ANTENNA
FLAME MONITOR
FUSE 209
FUSE 318
FUSE 410
GLOBAL POSITIONING SYSTEM ANTENNA SPLITTER
GLOW PLUG
GLOW PLUG/ FLAME MONITOR UNIT
GRN/VIO WIRE
GRY/RED WIRE
HOT AT ALL TIMES
HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED
LEFT FUSE, RELAY MODULE
NCA WIRE
POWER DISTRIBUTION SYSTEM
REAR AIR CONDITIONING OPERATING UNIT
REAR FUSE, RELAY MODULE
RED WIRE
RED/WHT WIRE
RIGHT A-PILLAR FUSE BOX
SHIELD
SHIELD GSM
SIG
STATIONARY HEATER BUTTON
STATIONARY HEATER COMBUSTION AIR BLOWER
STATIONARY HEATER CONTROL UNIT
STATIONARY HEATER FUEL PUMP
STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER
STATIONARY HEATER SWITCHOVER VALVE
STATIONARY HEATER UNIT (RIGHT SIDE OF ENGINE COMPT)
STH
TELEMATICS SERVICES COMMUNICATION MODULE
TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH
TEMPERATURE SENSOR
THERMAL FUSE
UMSCHVNT
VIO WIRE
WHT WIRE
Go to component -> Stationary heater circuit -> NCA WIRE
