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Home >> Mercedes Benz >> 2007 >> R320 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electrical System, Equipment & Instructions - 251 Chassis - 3 Of 4 >> Wiring Diagrams >> Wiring diagram for overhead control panel (OCP) control unit >> Wiring diagram for overhead control panel (OCP) control unit - PE54.21-P-2107-97RAA

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

Code: Designation: Position:
A0 Color code key 56L
A67 Inside rearview mirror unit 4L
A67b1 Hands-free system microphone group 6L
A67e1 Left reading lamp 3L
A67e2 Right reading lamp 4L
A67e3 Ambient lamp 5L
A67e4 Garage door opener indicator lamp 9L
A67h3 Automatic dimming mirror 5L
A67n2 Garage door opener transmitter unit 8L
A67s1 Garage door opener button 1 8L
A67s2 Garage door opener button 2 9L
A67s3 Garage door opener button 3 9L
B38/2 Rain/light sensor 2L
B39 Left rear window glass breakage sensor 52L
B39/1 Right rear window glass breakage sensor 51L
B39/4 Rear window glass breakage sensor 53L
Code 413 Panoramic glass sunroof with top sliding sunroof 45E
Code 413 Panoramic glass sunroof with top sliding sunroof 29A
Code 414 Electric glass tilting/sliding roof 24A
Code 494 USA version 7H
Code 876 Interior lights package 20A
E14/1 Left sun visor with illuminated mirror 12L
E14/2 Right sun visor with illuminated mirror 14L
E15/12 Left dome lamp, 2nd seat row 15L
E15/12e1 2nd seat row left reading lamp 16K
E15/13 Right dome lamp, 2nd seat row 17L
E15/13e1 2nd seat row right reading lamp 17K
E15/3 Left dome lamp, 3rd seat row 22L
E15/3e1 3rd seat row left reading lamp 22K
E15/3e2 3rd seat row right reading lamp 23K
E15/3e3 Left dome lamp, 3rd seat row 21K
E15/4 Central load compartment dome lamp 19L
F4 Load compartment fuse and relay box 44L
F4f41 Fuse 41 43L
F4f42 Fuse 42 46L
M12 Tilting/sliding roof (SR [SHD]) drive unit 25L
M12/5 Roller sun blind drive unit 39L
M12/6 Drive unit 1, panoramic sliding roof 31L
M12/7 Drive unit 2, panoramic sliding roof 35L
M12b1 Hall sensor 1, SR 25L
M12b2 Hall sensor 2, SR 25L
M12m1 SR [SHD] motor 26L
N10/8 Rear SAM control unit 48L
N70 Overhead control panel control unit 4A
N70 Overhead control panel control unit 12A
N70 Overhead control panel control unit 19A
N70 Overhead control panel control unit 28A
N70 Overhead control panel control unit 35A
N70 Overhead control panel control unit 45A
N70 Overhead control panel control unit 51A
N70e4 Left interior lamp, 1st seat row 13A
N70e5 Right interior lamp, 1st seat row 14A
N70s1 Roof switch 5A
N70s2 Rear dome lamp switch 6A
N70s3 Door contact ON and OFF switch 7A
N70s4 Interior lamp switch, 1st seat row 8A
N70s6 Left reading lamp switch, 1st seat row 9A
N70s7 Right reading lamp switch, 1st seat row 10A
S101 Left front vanity mirror illumination switch 10L
S102 Right front vanity mirror illumination switch 13L
U16 Valid for ATA [EDW] with TS [AS] and IMS [IRS] 50A
U861 Valid for versions without interior light package 18A
W29/9 Ground (right D-pillar) 55L
W48/3 Ground (headliner supply) 44E
W8 Ground (rear-end door) 53E
X18/2 Interior/roof connector 42H
X8/4 Rear-end door separating point 52H
Fig 1: Overhead Control Panel Control Unit Wiring Diagram (1 Of 4)
G10121406Courtesy of MERCEDES-BENZ USA
Fig 2: Overhead Control Panel Control Unit Wiring Diagram (2 Of 4)
G10121407Courtesy of MERCEDES-BENZ USA
Fig 3: Overhead Control Panel Control Unit Wiring Diagram (3 Of 4)
G10121408Courtesy of MERCEDES-BENZ USA
Fig 4: Overhead Control Panel Control Unit Wiring Diagram (4 Of 4)
G10121409Courtesy of MERCEDES-BENZ USA