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Home >> Mercedes Benz >> 2014 >> GL450 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electrical System, Equipment & Instructions - 166 Chassis - 5 Of 5 >> Wiring Diagrams >> Wiring Diagram For Overhead Control Panel (OCP) Control Unit >> Wiring diagram for overhead control panel (OCP) control unit - PE54.21-P-2107-97NBA

Wiring diagram for overhead control panel (OCP) control unit - PE54.21-P-2107-97NBA

Code: Designation: Position:
A0 Color code key 56L
A2 Radio 35L
A40/3 COMAND control unit 31L
A67 Inside rearview mirror 42L
A67b1 Hands-free system microphone group 38J
A67e1 Left reading lamp 40K
A67e2 Right reading lamp 41K
A67e3 Ambient lamp 41K
A67e4 Garage door opener indicator lamp 44K
A67h1 Forward automatic dimming mirror light sensor 44K
A67h2 Rearward automatic dimming mirror light sensor 45K
A67h3 Inside rearview mirror dimming 45K
A67n2 Garage door opener 43J
A67s1 Garage door opener button 1 42K
A67s2 Garage door opener button 2 43K
A67s3 Garage door opener button 3 43K
A67x1 Inside rearview mirror electrical connector 37E
B38/2 Rain/light sensor with additional functions 12L
B82 Vehicle interior humidity and temperature sensor 11L
Code 348 Emergency call/assistance system 46D
Code 359 TELEAID emergency call system 46D
Code 505 Radio 20 NTG5, non-navigation-capable 33D
Code 522 Audio 20 radio 33D
Code 531 COMAND APS 29D
Code 882 Interior protection (only with ATA [EDW]) 46D
E14/1 Left sun visor mirror lamp 17L
E14/2 Right sun visor mirror lamp 14L
E15/12 Left dome lamp, 2nd seat row 19L
E15/13 Right dome lamp, 2nd seat row 23L
E15/3 Rear dome lamp 27L
E15/4 Central load compartment dome lamp 25L
F33 Battery compartment prefuse box 4L
F33f53 Fuse 53 2L
F33f60 Fuse 60 3L
LIN B13 Roof LIN 43B
N10 SAM control unit 8L
N70 Overhead control panel control unit 4A
N70 Overhead control panel control unit 28A
N70 Overhead control panel control unit 44A
N70 Overhead control panel control unit 36A
N70 Overhead control panel control unit 20A
N70 Overhead control panel control unit 12A
N70b1 Interior temperature sensor with integrated fan 2A
N70s1 Sliding roof switch 5A
N70s2 Rear dome lamp switch 6A
N70s3 Interior lamp automatic function switch 7A
N70s4 Front dome lamp switch 8A
N70s6 Left front reading lamp switch 9A
N70s7 Right front reading lamp switch 10A
S101 Left front mirror lamp switch 18L
S102 Right front mirror lamp switch 15L
S93/3 Anti-theft alarm system/emergency call system button group 51L
S93/3s1 Towing sensor button 49L
S93/3s2 Emergency call system button 48L
S93/3s3 Interior protection switch 50L
S93/3s4 Breakdown assistance button 49L
S93/3s5 MB-Info button 50L
U12 Valid for left-hand drive vehicles 29E
U12 Valid for left-hand drive vehicles 33E
U13 Valid for right-hand drive vehicles 29F
U13 Valid for right-hand drive vehicles 33F
U154 Valid for 166.0 20E
U154 Valid for 166.0 24E
U155 Valid for 166.8 26E
U155 Valid for 166.8 20E
U155 Valid for 166.8 24E
W18/5 Roof ground point 4E
Fig 1: Overhead Control Panel Control Unit Wiring Diagram (1 Of 4)
G10078096Courtesy of MERCEDES-BENZ USA
Fig 2: Overhead Control Panel Control Unit Wiring Diagram (2 Of 4)
G10078097Courtesy of MERCEDES-BENZ USA
Fig 3: Overhead Control Panel Control Unit Wiring Diagram (3 Of 4)
G10078098Courtesy of MERCEDES-BENZ USA
Fig 4: Overhead Control Panel Control Unit Wiring Diagram (4 Of 4)
G10078099Courtesy of MERCEDES-BENZ USA