Wiring Diagram For Electronic Ignition Lock Control Unit (EZS) - PE54.21-P-2104-97XCA
Model 257, 290 as of model year 2021 Control unit N73
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 105L |
| A108 | Active Brake Assist controller unit | 76L |
| A108/1 | Active Distance Assist DISTRONIC electric controller unit | 78L |
| A40/13 | Stereo multifunction camera | 76K |
| B92/12 | Short and long-range radar sensor | 78K |
| C8 | Park pawl capacitor | 64L |
| CAN HMI | User interface CAN | 39K |
| CAN HMI2 | User interface CAN 2 | 43K |
| Code 360 | HERMES UMTS | 29F |
| Code 362 | HERMES LTE | 29F |
| Code 364 | HERMES UMTS communications module for Russia | 29F |
| Code 6U9 | Positioning and tracking system subharness pre-installation | 26F |
| Code 6U9 | Positioning and tracking system subharness pre-installation | 18F |
| Code L | LEFT-HAND DRIVE | 5E |
| Code L | LEFT-HAND DRIVE | 9E |
| Code L | LEFT-HAND DRIVE | 77K |
| Code L | LEFT-HAND DRIVE | 48E |
| Code L | LEFT-HAND DRIVE | 62D |
| Code R | RIGHT-HAND DRIVE | 5F |
| Code R | RIGHT-HAND DRIVE | 9F |
| Code R | RIGHT-HAND DRIVE | 77K |
| Code R | RIGHT-HAND DRIVE | 48E |
| Code R | RIGHT-HAND DRIVE | 60D |
| F1/3 | Passenger-side A-pillar fuse box | 5L |
| F1/3f321 | Fuse 321 | 4L |
| F32/3 | Engine compartment prefuse box | 10L |
| Flex E | Chassis FlexRay | 76J |
| Flex E | Chassis FlexRay | 78J |
| Flex E | Chassis FlexRay | 81J |
| K40/8 | Engine fuse and relay module | 68L |
| K40/8f121 | Fuse 121 | 67L |
| K57/4 | Battery disconnect switch relay | 8H |
| N10/6 | Front SAM control unit | 16L |
| N112/9 | HERMES control unit | 31L |
| N145/1 | Drive unit control unit | 81L |
| N30/4 | Electronic Stability Program control unit | 77K |
| N30/9 | Electric brake booster control unit | 82K |
| N45 | All-wheel drive control unit | 81K |
| N51/5 | Adaptive damping system control unit | 79L |
| N51/8 | AIR BODY CONTROL Plus control unit | 79L |
| N62 | Parking system control unit | 79K |
| N62/4 | Mercedes-Benz Intelligent Drive control unit | 77L |
| N68 | Electrical power steering control unit | 75K |
| N68 | Electrical power steering control unit | 80K |
| N69/1 | Left front door control unit | 51L |
| N69/2 | Right front door control unit | 51L |
| N69/5 | KEYLESS-GO control unit | 73L |
| N73 | Electronic ignition switch control unit | 4A |
| N73 | Electronic ignition switch control unit | 12A |
| N73 | Electronic ignition switch control unit | 28A |
| N73 | Electronic ignition switch control unit | 37A |
| N73 | Electronic ignition switch control unit | 44A |
| N73 | Electronic ignition switch control unit | 53A |
| N73 | Electronic ignition switch control unit | 62A |
| N73 | Electronic ignition switch control unit | 68A |
| N73 | Electronic ignition switch control unit | 86A |
| N73 | Electronic ignition switch control unit | 93A |
| N73 | Electronic ignition switch control unit | 74A |
| N73 | Electronic ignition switch control unit | 20A |
| N73 | Electronic ignition switch control unit | 82A |
| S2/3 | KEYLESS GO start/stop button | 55L |
| W15/5 | Left front footwell ground point | 6E |
| W15/5 | Left front footwell ground point | 61D |
| W15/7 | Right front footwell ground point | 63D |
| W16/3 | Left major assembly compartment ground point | 10F |
| W16/4 | Right major assembly compartment ground point | 10E |
| W18 | Left front seat crossmember ground point | 6F |
| W34 | Left footwell ground point | 57G |
| W34/3 | Right footwell ground point | 57G |
| X11/4 | Diagnostic connector | 27L |
| X11/4 | Diagnostic connector | 20L |
| X18/53 | Driver side cockpit/frame floor assembly electrical connector | 53H |
| X18/54 | Passenger side cockpit/frame floor assembly electrical connector | 53H |
| X25/7 | Driver side engine compartment/frame floor assembly electrical connector | 66G |
| X30/20 | User interface CAN (CAN HMI) potential distributor | 39L |
| X30/27 | Periphery CAN (CAN PER) potential distributor | 46L |
| X30/32 | Interior CAN (CAN B) potential distributor, left | 36L |
| X35/1 | Driver door electrical connector | 49H |
| X42/27x2 | Theft detection system electrical connector | 22H |
| Y3/8 | Fully integrated transmission control electric controller unit | 59L |
| Z35/12z1 | Diagnostic CAN (CAN D) low connector sleeve | 28E |
| Z35/13z1 | Diagnostic CAN (CAN D) high connector sleeve | 26E |
| Z37/89z1 | CAN end sleeve | 43L |
| Z37/90z1 | CAN end sleeve | 42L |
| Z6/30z9 | Circuit 31 connector sleeve | 63F |