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Wiring diagram of engine sound control unit - PE54.21-P-2148-97NBA

Code: Designation: Position:
A0 Color code key 48L
A40/3 COMAND control unit 36L
CAN C Drive train CAN 7K
Code 531 COMAND APS 32D
Code 810 Sound system 22D
Code 810 Sound system 30D
Code 811 Extended sound system 22D
Code 811 Extended sound system 27D
F33 Battery compartment prefuse box 3L
F33f66 Fuse 66 1K
H4/1 Left front door speaker 10L
H4/2 Right front door speaker 16L
H4/3 Left rear door speaker 13L
H4/33 Left front door tweeter 11L
H4/34 Right front door tweeter 18L
H4/35 Left rear door tweeter 15L
H4/36 Right rear door tweeter 21L
H4/4 Right rear door speaker 20L
N40/1 Engine sound control unit 4A
N40/1 Engine sound control unit 12A
N40/1 Engine sound control unit 20A
N40/1 Engine sound control unit 28A
N40/1 Engine sound control unit 37A
N40/3 Sound system amplifier control unit 25L
N40/3 Sound system amplifier control unit 25L
U12 Valid for left-hand drive vehicles 2D
U13 Valid for right-hand drive vehicles 2D
U296 Not valid for expanded sound system 9D
U296 Not valid for expanded sound system 34E
U500 Not valid for sound system 9D
U500 Not valid for sound system 34E
W15/1 Right footwell ground point 3H
W15/2 Left footwell ground point 3H
X30/21 Drive train CAN voltage distributor electrical connector 7L
X35/1 Left front door electrical connector 9H
X35/2 Right front door electrical connector 16H
X35/3 Left rear door electrical connector 13H
X35/4 Right rear door electrical connector 19H
Fig 1: Engine Sound Control Unit Wiring Diagram (1 Of 3)
G10080129Courtesy of MERCEDES-BENZ USA
Fig 2: Engine Sound Control Unit Wiring Diagram (2 Of 3)
G10080130Courtesy of MERCEDES-BENZ USA
Fig 3: Engine Sound Control Unit Wiring Diagram (3 Of 3)
G10080131Courtesy of MERCEDES-BENZ USA