Wiring Diagram For Overhead Control Panel (OCP) Control Unit - PE54.21-P-2107-97SEA
Model 217.3 up to model year 2018 Control unit N70
Model 222 up to model year 2018 Control unit N70
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 137L |
| A40/3 | COMAND control unit | 103L |
| A67 | Inside rearview mirror | 110L |
| A67b1 | Hands-free system microphone | 106K |
| A67e1 | Left reading lamp | 109K |
| A67e2 | Right reading lamp | 110K |
| A67e3 | Ambient lamp | 110K |
| A67e4 | Garage door opener indicator lamp | 113K |
| A67h1 | Forward automatic dimming mirror light sensor | 114K |
| A67h2 | Rearward automatic dimming mirror light sensor | 115K |
| A67h3 | Inside rearview mirror dimming | 115K |
| A67n2 | Garage door opener | 113J |
| A67s1 | Garage door opener button 1 | 112K |
| A67s2 | Garage door opener button 2 | 112K |
| A67s3 | Garage door opener button 3 | 113K |
| A67x1 | Inside rearview mirror electrical connector | 106E |
| B38/2 | Rain/light sensor with additional functions | 9L |
| CAN B | Interior CAN | 126K |
| Code 223 | Rear bench seat with electrically adjustable outer seats with PRE-SAFE positioning function for outer seats and outer head restraints | 22B |
| Code 231 | Garage door opener | 111F |
| Code 232 | Garage door opener with frequency 284-390 MHz | 111F |
| Code 249 | Automatic dimming inside rearview mirror and outside mirror | 114F |
| Code 348 | Emergency call/assistance system | 62A |
| Code 348 | Emergency call/assistance system | 59A |
| Code 350 | Ecall Europe emergency call system | 59A |
| Code 398 | Panoramic roof with MAGIC SKY CONTROL | 9A |
| Code 413 | Panoramic sliding sunroof | 9A |
| Code 811 | Advanced sound system | 22A |
| Code 811 | Advanced sound system | 37A |
| Code 877 | Ambiance illumination | 16D |
| Code 877 | Ambiance illumination | 34E |
| Code 882 | Interior protection (only with ATA [EDW]) | 116A |
| Code Z07 | Top protection | 50A |
| Code Z07 | Top protection | 74E |
| E11/1 | Left rear dome lamp | 68L |
| E11/1 | Left rear dome lamp | 85L |
| E11/1e1 | Left rear reading lamp | 66L |
| E11/1e1 | Left rear reading lamp | 84L |
| E11/1s1 | Left rear dome lamp button | 68J |
| E11/1s1 | Left rear dome lamp button | 86J |
| E11/1s2 | Left rear reading lamp button | 69J |
| E11/1s2 | Left rear reading lamp button | 86J |
| E11/2 | Right rear dome lamp | 60L |
| E11/2 | Right rear dome lamp | 77L |
| E11/2e1 | Right rear reading lamp | 61L |
| E11/2e1 | Right rear reading lamp | 78L |
| E11/2s1 | Right rear dome lamp button | 59J |
| E11/2s1 | Right rear dome lamp button | 76J |
| E11/2s2 | Right rear reading lamp button | 59J |
| E11/2s2 | Right rear reading lamp button | 77J |
| E14/1 | Left sun visor mirror lamp | 98L |
| E14/2 | Right sun visor mirror lamp | 100L |
| E15/10 | Left rear vanity mirror unit | 73L |
| E15/10 | Left rear vanity mirror unit | 93L |
| E15/10e1 | Left rear vanity mirror illumination | 73L |
| E15/10e1 | Left rear vanity mirror illumination | 93L |
| E15/10e2 | Left rear vanity mirror dome lamp | 73L |
| E15/10e2 | Left rear vanity mirror dome lamp | 91L |
| E15/10s1 | Left rear vanity mirror illumination switch | 73J |
| E15/10s1 | Left rear vanity mirror illumination switch | 93J |
| E15/11 | Right rear vanity mirror unit | 71L |
| E15/11 | Right rear vanity mirror unit | 89L |
| E15/11e1 | Right rear vanity mirror illumination | 71L |
| E15/11e1 | Right rear vanity mirror illumination | 89L |
| E15/11e2 | Right rear vanity mirror dome lamp | 71L |
| E15/11e2 | Right rear vanity mirror dome lamp | 89L |
| E15/11s1 | Right rear vanity mirror illumination switch | 71J |
| E15/11s1 | Right rear vanity mirror illumination switch | 89J |
| E15/3 | Rear dome lamp | 34L |
| E15/3 | Rear dome lamp | 47L |
| E15/36 | Rear ambient lamp | 30L |
| E15/37 | Rear light ring ambiance illumination | 25L |
| E15/38 | Rear ambiance illumination | 19L |
| F1/3 | Right A-pillar fuse box | 4L |
| F1/3f312 | Fuse 312 | 2K |
| F1/3f326 | Fuse 326 | 6K |
| H3/1 | Alarm siren | 118L |
| K40/6 | Left fuse and relay module | 122L |
| K40/6f202 | Fuse 202 | 121L |
| N10/6 | Front SAM control unit | 13L |
| N26/6 | ATA [EDW]/towing sensor/interior motion sensor control unit | 128E |
| N26/6a1 | Interior protection receiver | 131G |
| N26/6b1 | Left interior protection transmitter | 130G |
| N26/6b2 | Right interior protection transmitter | 129G |
| N70 | Overhead control panel control unit | 5A |
| N70 | Overhead control panel control unit | 13A |
| N70 | Overhead control panel control unit | 21A |
| N70 | Overhead control panel control unit | 30A |
| N70 | Overhead control panel control unit | 39A |
| N70 | Overhead control panel control unit | 48A |
| N70 | Overhead control panel control unit | 56A |
| N70 | Overhead control panel control unit | 71A |
| N70 | Overhead control panel control unit | 96A |
| N70 | Overhead control panel control unit | 80A |
| N70 | Overhead control panel control unit | 88A |
| N70 | Overhead control panel control unit | 104A |
| N70 | Overhead control panel control unit | 110A |
| N70 | Overhead control panel control unit | 118A |
| N70 | Overhead control panel control unit | 125A |
| N70b1 | Interior temperature sensor with integrated fan | 12A |
| N70e1 | Front dome lamp | 100A |
| N70e6 | Left mounting console incident illumination | 108A |
| N70e7 | Right mounting console incident illumination | 109A |
| N70e8 | Eyeglass box illumination | 110A |
| N70s1 | Roof switch | 10A |
| N70s1 | Roof switch | 10A |
| N70s10 | Rear roller sun blind switch | 11A |
| N70s11 | SOS button | 61A |
| N70s12 | Breakdown assistance button | 63A |
| N70s13 | MB-Info button | 66A |
| N70s14 | MB Contact button | 65A |
| N70s15 | MAGIC SKY CONTROL roof switch | 11A |
| N70s2 | Rear dome lamp button | 5A |
| N70s3 | Interior lamp automatic function button | 6A |
| N70s4 | Front dome lamp button | 7A |
| N70s6 | Left front reading lamp button | 8A |
| N70s7 | Right front reading lamp button | 8A |
| N70s8 | Interior protection switch | 122A |
| N70s9 | Towing sensor button | 123A |
| S101 | Left front mirror lamp switch | 97L |
| S102 | Right front mirror lamp switch | 99L |
| U1 | Valid for USA | 64A |
| U12 | Valid for left-hand drive vehicles | 7F |
| U12 | Valid for left-hand drive vehicles | 3F |
| U12 | Valid for left-hand drive vehicles | 117D |
| U1222 | Valid for model series 222 | 3D |
| U1222 | Valid for model series 222 | 16D |
| U1222 | Valid for model series 222 | 22A |
| U1222 | Valid for model series 222 | 57D |
| U1222 | Valid for model series 222 | 28A |
| U1222 | Valid for model series 222 | 95D |
| U1222 | Valid for model series 222 | 74D |
| U1222 | Valid for model series 222 | 116A |
| U13 | Valid for right-hand drive vehicles | 3F |
| U13 | Valid for right-hand drive vehicles | 7F |
| U13 | Valid for right-hand drive vehicles | 119D |
| U2 | Valid for all except USA | 63A |
| U299 | Valid for model 222.9 | 37A |
| U299 | Valid for model 222.9 | 45A |
| U369 | Valid without code 811 Extended sound system | 28A |
| U394 | Valid without code 877 Ambiance illumination | 28B |
| U407 | Valid without code (223) Rear bench seat with electrically adjustable outer seats with PRE-SAFE positioning function for outer seats and outer head restraints | 16E |
| U413 | Valid for model 217.3 | 3D |
| U413 | Valid for model 217.3 | 31A |
| U413 | Valid for model 217.3 | 95E |
| U413 | Valid for model 217.3 | 116B |
| W85/1 | Driver footwell frame floor assembly ground point | 4H |
| W85/1 | Driver footwell frame floor assembly ground point | 118D |
| W85/2 | Front passenger footwell frame floor assembly ground point | 4H |
| W85/2 | Front passenger footwell frame floor assembly ground point | 120D |
| X209/1 | Left headliner electrical connector | 52E |
| X209/1 | Left headliner electrical connector | 51E |
| X209/1 | Left headliner electrical connector | 56E |
| X209/1 | Left headliner electrical connector | 83G |
| X209/1 | Left headliner electrical connector | 91G |
| X209/1 | Left headliner electrical connector | 92G |
| X209/1 | Left headliner electrical connector | 94G |
| X209/2 | Right headliner electrical connector | 75G |
| X209/2 | Right headliner electrical connector | 88G |
| X30/33 | Right interior CAN (CAN B) potential distributor electrical connector | 126L |
| Z131/1z1 | Rear dome lamp circuit 58d connector sleeve | 65L |
| Z131/1z1 | Rear dome lamp circuit 58d connector sleeve | 82L |
| Z132/1z1 | Rear dome lamp circuit 31 connector sleeve | 62L |
| Z132/1z1 | Rear dome lamp circuit 31 connector sleeve | 79L |
| Z132/2z1 | Rear reading lamp circuit 31 connector sleeve | 64L |
| Z132/2z1 | Rear reading lamp circuit 31 connector sleeve | 81L |
| Z133/1z1 | Connector sleeve, ground connection for vanity mirror unit in rear | 100G |
| Z134/1z1 | Connector sleeve, power supply for vanity mirror unit in rear | 96G |
| Z1z1 | Connector sleeve 2 in wiring harness | 7G |
| Z1z1 | Connector sleeve 2 in wiring harness | 120E |
| Z1z9 | Circuit 31 connector sleeve | 7G |
| Z232/12z1 | LED K1 ambiance illumination connector sleeve (yellow) | 26F |
| Z232/12z1 | LED K1 ambiance illumination connector sleeve (yellow) | 38E |
| Z232/13z1 | LED K2 ambiance illumination connector sleeve (blue) | 24F |
| Z232/13z1 | LED K2 ambiance illumination connector sleeve (blue) | 40E |
| Z232/14z1 | LED K3 ambiance illumination connector sleeve (red) | 23F |
| Z232/14z1 | LED K3 ambiance illumination connector sleeve (red) | 42E |
| Z232/21z1 | Left front door stowage compartment illumination ambiance illumination connector sleeve (blue) | 27F |
| Z232/21z1 | Left front door stowage compartment illumination ambiance illumination connector sleeve (blue) | 39E |
| Z7/79z1 | Circuit 30g connector sleeve | 6E |