Wiring Diagram For Electronic Ignition Lock Control Unit (EZS) - PE54.21-P-2104-97TAA
WARNING: This page is about a different car, the 2020 Mercedes-Benz SLC43 AMG, 2019 Mercedes-Benz SLC43 AMG, 2018 Mercedes-Benz SLC43 AMG, and 2017 Mercedes-Benz SLC43 AMG. However, it is still accessible from the selected car via links, so may be relevant.
Model 172.4
with code 425 (6-speed manual transmission) except code 421 (9-speed automatic transmission)
with code 427 (7G-TRONIC) except code 421 (9-speed automatic transmission)
Control unit N73
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 23L |
| CAN B | Interior CAN | 12K |
| CAN E | Chassis CAN | 16J |
| CAN E1 | Chassis CAN 1 | 16K |
| Code 889 | KEYLESS-GO | 9D |
| N10/1 | Front SAM control unit with fuse and relay module | 3L |
| N10/1f19 | Fuse 19 | 2L |
| N10/1f27 | Fuse 27 | 5L |
| N26/5 | Electric steering lock control unit | 7L |
| N73 | Electronic ignition switch control unit | 4A |
| N73 | Electronic ignition switch control unit | 12A |
| S164 | Automatic transmission neutral position switch | 10L |
| U12 | Valid for left-hand drive vehicles | 5D |
| U12 | Valid for left-hand drive vehicles | 11D |
| U13 | Valid for right-hand drive vehicles | 5D |
| U13 | Valid for right-hand drive vehicles | 11D |
| U344 | Valid for all except KEYLESS GO | 8D |
| W15/5 | Left front footwell ground point | 6E |
| W15/7 | Right front footwell ground point | 6F |
| X190 | Instrument panel and electric steering lock electrical connector | 6H |
| X30/30 | Vehicle floor chassis CAN voltage distributor electrical connector | 16L |
| X30/32 | Left vehicle floor interior CAN voltage distributor electrical connector | 13L |
| X30/33 | Right vehicle floor interior CAN voltage distributor electrical connector | 12L |
| X30/74 | Chassis CAN 1 (CAN E1) potential distributor electrical connector | |
| Z35/7 | CAN bus high cockpit bus node | 17E |
| Z35/8 | CAN bus low cockpit bus node | 16E |
| Z7/40 | Tml. 30 connector sleeve | 3E |