Wiring Diagram For Overhead Control Panel (OCP) Control Unit - PE54.21-P-2107-97TAA
Model 172.4
Control unit N70/3
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 80L |
| A2 | Radio | 32L |
| A40/3 | COMMAND control unit | 23L |
| A40/3 | COMMAND control unit | 23L |
| A40/3 | COMMAND control unit | 31L |
| A40/3 | COMMAND control unit | 32L |
| A67 | Inside rearview mirror | 14L |
| A67 | Inside rearview mirror | 20L |
| A67b1 | Inside rearview mirror microphone | 19K |
| A67b1 | Inside rearview mirror microphone | 28L |
| A67b1x1 | Inside rearview mirror microphone electrical connector | 18G |
| A67b1x1 | Inside rearview mirror microphone electrical connector | 27H |
| A67e4 | Garage door opener indicator lamp | 15K |
| A67h1 | Forward automatic dimming mirror light sensor | 16K |
| A67h2 | Rearward automatic dimming mirror light sensor | 17K |
| A67h3 | Automatic dimming mirror | 17K |
| A67n2 | Garage door opener | 15J |
| A67s1 | Garage door opener button 1 | 14K |
| A67s2 | Garage door opener button 2 | 15K |
| A67s3 | Garage door opener button 3 | 15K |
| A67x1 | Inside rearview mirror electrical connector | 14G |
| B38/1 | Light sensor | 12L |
| B38/2 | Rain/light sensor | 12L |
| B82 | Vehicle interior humidity/temperature sensor | 47L |
| Code 348 | Emergency call/assistance system | 48A |
| Code 351 | Emergency call system (HERMES) | 53A |
| Code 351 | Emergency call system (HERMES) | 57A |
| Code 351 | Emergency call system (HERMES) | 67A |
| Code 359 | TELEAID emergency call system | 48B |
| Code 494 | USA version | 53A |
| Code 498 | Japan version | 20E |
| Code 498 | Japan version | 25F |
| Code 505 | Radio 20 NTG5, non-navigation-capable | 25D |
| Code 512 | COMMAND APS with DVD changer | 20E |
| Code 522 | Audio 20 radio | 25E |
| Code 527 | COMMAND APS with single DVD drive (with navigation) | 20E |
| Code 531 | COMMAND APS | 25E |
| Code 531 | COMMAND APS | 25E |
| Code 580 | Air conditioning | 45D |
| Code 581 | Automatic air conditioning | 45D |
| Code 876 | Interior lights package | 34D |
| Code 882 | Interior protection (only with ATA [EDW]) | 62A |
| Code 882 | Interior protection (only with ATA [EDW]) | 57B |
| E11/6 | Left A-pillar exit lamp | 36L |
| E11/7 | Right A-pillar exit lamp | 42L |
| E14/1 | Left sun visor mirror lamp | 40L |
| E14/2 | Right sun visor mirror lamp | 44L |
| N10/1 | Front SAM control unit with fuse and relay module | 4L |
| N10/1 | Front SAM control unit with fuse and relay module | 10L |
| N10/1 f12 | Fuse 12 | 7L |
| N10/1f17 | Fuse 17 | 5L |
| N10/1f18 | Fuse 18 | 2L |
| N70 | Overhead control panel control unit | 4A |
| N70 | Overhead control panel control unit | 12A |
| N70 | Overhead control panel control unit | 20A |
| N70 | Overhead control panel control unit | 28A |
| N70 | Overhead control panel control unit | 36A |
| N70 | Overhead control panel control unit | 44A |
| N70 | Overhead control panel control unit | 52A |
| N70 | Overhead control panel control unit | 60A |
| N70 | Overhead control panel control unit | 66A |
| N70 | Overhead control panel control unit | 71A |
| N70b1 | Interior temperature sensor with integrated fan | 3A |
| N70e4 | Left interior/reading lamp | 22A |
| N70e5 | Right interior/reading lamp | 24A |
| N70e6 | Left mounting console incident illumination | 23A |
| N70e7 | Right mounting console incident illumination | 24A |
| N70e8 | Eyeglass box illumination | 42A |
| N70s10 | MAGIC SKY CONTROL button | 43A |
| N70s3 | Interior lamp automatic function switch | 14A |
| N70s6 | Left front reading lamp switch | 16A |
| N70s7 | Right front reading lamp switch | 17A |
| S101 | Left front mirror lamp switch | 39L |
| S102 | Right front mirror lamp switch | 43L |
| S93/3 | Anti-theft alarm system/emergency call system button group | 50L |
| S93/3 | Anti-theft alarm system/emergency call system button group | 54L |
| S93/3 | Anti-theft alarm system/emergency call system button group | 59L |
| S93/3 | Anti-theft alarm system/emergency call system button group | 64L |
| S93/3 | Anti-theft alarm system/emergency call system button group | 69L |
| S93/3s1 | Towing sensor button | 60L |
| S93/3s1 | Towing sensor button | 65L |
| S93/3s2 | Emergency call system button | 51L |
| S93/3s2 | Emergency call system button | 56L |
| S93/3s2 | Emergency call system button | 61L |
| S93/3s2 | Emergency call system button | 71L |
| S93/3s3 | Interior protection switch | 58L |
| S93/3s3 | Interior protection switch | 63L |
| S93/3s4 | Breakdown assistance button | 49L |
| S93/3s4 | Breakdown assistance button | 54L |
| S93/3s5 | MB-Info button | 50L |
| S93/3s5 | MB-Info button | 55L |
| U12 | Valid for left-hand drive vehicles | 23F |
| U12 | Valid for left-hand drive vehicles | 28E |
| U13 | Valid for right-hand drive vehicles | 20F |
| U13 | Valid for right-hand drive vehicles | 26E |
| U192 | Valid for light sensor | 11D |
| U195 | Valid for rain/light sensor | 11D |
| U2 | Valid for all except USA | 57A |
| U2 | Valid for all except USA | 62A |
| U2 | Valid for all except USA | 67A |
| U54 | Valid for all except Japan | 20D |
| U54 | Valid for all except Japan | 25E |
| W15/5 | Left front foot well ground point | 2G |
| Z7/58 | Tml. 30 connector sleeve | 1G |