Wiring diagram for overhead control panel (OCP) control unit - PE54.21-P-2107-99FAA
WARNING: This page is about a different car, the 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Explanation of color codes | 64 L |
| A67 | Inside rearview mirror | 16 L |
| A67b1 | Hands-free system microphone | 19 K |
| A67e1 | Left reading lamp | 13 K |
| A67e2 | Right reading lamp | 14 K |
| A67e3 | Ambient lamp | 14 K |
| A67e4 | Garage door opener indicator lamp | 16 L |
| A67h1 | Forward automatic dimming mirror light sensor | 17 K |
| A67h2 | Rearward automatic dimming mirror light sensor | 18 K |
| A67h3 | Automatic dimming mirror | 18 K |
| A67n2 | Garage door opener | 16 J |
| A67s1 | Garage door opener button 1 | 15 L |
| A67s2 | Garage door opener button 2 | 16 L |
| A67s3 | Garage door opener button 3 | 16 L |
| B38/1 | Light sensor | 9 L |
| B38/2 | Rain/light sensor | 11 L |
| B39 | Left rear window glass breakage sensor | 53 L |
| B39/1 | Right rear window glass breakage sensor | 52 L |
| B39/4 | Rear window glass breakage sensor | 50 L |
| CAN B | Interior CAN | 6 K |
| E14/1 | Left sun visor mirror lamp | 21 L |
| E14/2 | Right sun visor mirror lamp | 23 L |
| E15/3 | Rear dome lamp | 25 L |
| E15/3 | Rear dome lamp | 27 L |
| E15/3e1 | Left rear reading lamp | 27 K |
| E15/3e2 | Right rear reading lamp | 28 K |
| E15/3e3 | Rear interior lamp | 26 K |
| E15/3s1 | Left rear reading lamp switch | 27 K |
| E15/3s2 | Right rear reading lamp switch | 28 K |
| LIN 2 | Wiper/inside rearview mirror LIN | 3 C |
| LIN 2 | Wiper/inside rearview mirror LIN | 11 C |
| LIN 2 | Wiper/inside rearview mirror LIN | 16 C |
| LIN B4 | Rear SAM LIN | 40 K |
| M12 | Tilting/sliding roof drive unit | 31 L |
| M12b1 | Tilting/sliding roof Hall sensor 1 | 30 L |
| M12b2 | Tilting/sliding roof Hall sensor 2 | 30 L |
| M12m1 | Tilting/sliding roof motor | 32 L |
| N10/1 | Front SAM control module with fuse and relay module | 2 L |
| N10/1 | Front SAM control module with fuse and relay module | 56 L |
| N10/1f17 | Fuse 17 | 1 L |
| N10/2 | Rear SAM control module with fuse and relay module | 47 L |
| N123/4 | Emergency call system control unit | 60 L |
| N26/6 | Interior protection and tow-away protection control unit | 39 L |
| N26/6a1 | Interior protection receiver | 34 L |
| N26/6b1 | Left interior protection transmitter | 43 L |
| N26/6b2 | Right interior protection transmitter | 44 L |
| N70 | Overhead control panel control module | 4 A |
| N70 | Overhead control panel control module | 12 A |
| N70 | Overhead control panel control module | 20 A |
| N70 | Overhead control panel control module | 28 A |
| N70 | Overhead control panel control module | 35 A |
| N70 | Overhead control panel control module | 44 A |
| N70 | Overhead control panel control module | 52 A |
| N70 | Overhead control panel control module | 59 A |
| N70b1 | Interior temperature sensor | 3 A |
| N70e4 | Left front interior lamp | 18 A |
| N70e5 | Right front interior lamp | 18 A |
| N70s1 | Tilting/sliding roof switch | 2 A |
| N70s2 | Rear dome lamp switch | 5 A |
| N70s3 | Interior lamp automatic function switch | 7 A |
| N70s4 | Front dome lamp switch | 8 A |
| N70s6 | Left front reading lamp switch | 9 A |
| N70s7 | Right front reading lamp switch | 16 A |
| N70s8 | Interior protection switch | 37 A |
| N70s9 | Towing sensor button | 38 A |
| S101 | Left front mirror lamp switch | 20 L |
| S102 | Right front mirror lamp switch | 22 L |
| U1 | Valid for USA | 54 A |
| U16 | Valid for ATA [EDW] with tow-away protection and interior protection | 34 A |
| U19 | Valid for standard equipment | 8 G |
| U195 | Valid for rain/light sensor | 10 G |
| U57 | Valid for model 204.2 | 48 F |
| U57 | Valid for model 204.2 | 49 F |
| U58 | Valid for model 204.0 | 48 F |
| U919 | Valid for equipment AVANTGARDE and ELEGANCE | 26 A |
| U920 | Valid for equipment CLASSIC | 24 A |
| W18/3 | Left front seat crossmember ground point 2 | 53 H |
| W18/3 | Left front seat crossmember ground point 2 | 58 H |
| W7 | Right wheelhouse trunk ground point | 48 H |
| W7/1 | Right taillamp trunk ground point | 48 H |
| X143/3 | Tailgate glass breakage sensor electrical connector | 49 H |
| X18/2 | Interior/roof electrical connector | 45 H |
| X18/37 | Emergency call system button electrical connector | 57 E |
| X30/32 | Left vehicle floor interior CAN voltage distributor electrical connector | 6 L |
| X8/19 | Tailgate electrical connector | 51 H |
| Z20/30 | Tracer wire connector sleeve | 47 J |
| Z20/30 | Tracer wire connector sleeve | 47 D |
| Z81 | Circuit 58d connector sleeve | 57 H |