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Home >> Mercedes Benz >> 2008 >> S550 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical -- OEM Wiring Diagrams -- S-Class (221) >> Wiring Diagrams >> Wiring diagram for overhead control panel (OCP) control unit - PE54.21-P-2107-99SAA

Wiring diagram for overhead control panel (OCP) control unit - PE54.21-P-2107-99SAA

Code  : Designation  : Position  :
A0 Explanation of color codes 48 L
A67 Interior rearview mirror unit 24 L
A67e1 Left reading lamp 20 L
A67e2 Right reading lamp 20 L
A67e3 Ambient lamp 21 L
A67e4 Garage door opener indicator lamp 27 L
A67h1 Automatic dimming interior rearview mirror sensor, forward 23 L
A67h2 Automatic dimming interior rearview mirror sensor, back 23 L
A67h3 Automatic dimming mirror 25 L
A67n2 Garage door opener transmitter unit (--A67n2--) 26 L
A67s1 Garage door opener pushbutton 1 26 L
A67s2 Garage door opener pushbutton 2 27 L
A67s3 Garage door opener pushbutton 3 27 L
B38/2 Rain/light sensor 10K
E11/1 Left rear dome lamp 6L
E11/1e1 Left rear reading lamp 6L
E11/1e2 Left rear interior lamp 5L
E11/1s1 Left rear dome lamp switch 5L
E11/2 Right rear dome lamp 13L
E11/2e1 Right rear reading lamp 12L
E11/2e2 Right rear interior lamp 14L
E11/2s1 Right rear dome lamp switch 13L
E14/6 Left front vanity mirror illumination 8L
E14/7 Right front vanity mirror illumination 16L
E15/10 Left rear vanity mirror illumination 18L
E15/11 Right rear vanity mirror illumination 17L
M12 Roof drive system 36 L
M12b1 Roof system Hall sensor 1 36 L
M12b2 Roof system Hall sensor 2 36 L
M12m1 Roof motor 35 L
M54 Front roller sun blind motor 29 L
M54/1 Rear roller sun blind motor 32 L
M54/1b1 Rear roller sun blind Hall sensor 1 33 L
M54/1b2 Rear roller sun blind Hall sensor 2 33 L
M54/1m1 Rear roller sun blind motor 31 L
M54b1 Front roller sun blind Hall sensor 1 30 L
M54b2 Front roller sun blind Hall sensor 2 30 L
M54m1 Front roller sun blind motor 28 L
N10/2 Rear SAM control module with fuse and relay module 2L
N123/4 Emergency call system control unit 42 L
N70 Overhead control panel control module 4A
N70 Overhead control panel control module 12A
N70 Overhead control panel control module 20 A
N70 Overhead control panel control module 30 A
N70 Overhead control panel control module 38 A
N70b1 In-car temperature sensor 9A
N70e1 Front dome lamp 15A
N70m1 In-car temperature sensor fan motor 10A
N70s1 Roof switch 11 A
N70s10 Rear roller sun blind switch 25 A
N70s2 Rear dome lamp switch 8A
N70s3 Door contact ON and OFF switch 16A
N70s4 Front dome lamp switch 14A
N70s6 Left front reading lamp switch 19A
N70s7 Right front reading lamp switch 25 A
S101 Left front vanity mirror illumination switch 7L
S102 Right front vanity mirror illumination switch 15L
S93/3 SOS pushbutton switch 42 A
U890 Not valid for tilting/sliding roof (SR [SHD]) 1 C
W17/1 Ground (left rear seat) 2G
W6 Ground (left wheelhousing in trunk) 43 G
X25/8 Overhead control panel and FFS [RBA] connector 1 E
X25/8 Overhead control panel and FFS [RBA] connector 38 G
X25/8 Overhead control panel and FFS [RBA] connector 41 E
X30/33 Right interior CAN/FFS [RBA] voltage distributor connector 39 L
Z81z2 Circuit 58d connector sleeve 42 G
Fig 1: Overhead Control Panel Wiring Diagram (1 Of 3)
G07594327Courtesy of MERCEDES-BENZ USA
Fig 2: Overhead Control Panel Wiring Diagram (2 Of 3)
G07594328Courtesy of MERCEDES-BENZ USA
Fig 3: Overhead Control Panel Wiring Diagram (3 Of 3)
G07594329Courtesy of MERCEDES-BENZ USA