Wiring Diagram For Instrument Cluster (IC) Control Unit - PE54.30-P-2101-97TAA
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
Control unit A1
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 48L |
| A1 | Instrument cluster | 4A |
| A1 | Instrument cluster | 12A |
| A1 | Instrument cluster | 20A |
| A1 | Instrument cluster | 29A |
| A1 | Instrument cluster | 36A |
| A1 | Instrument cluster | 45A |
| A1b1 | Brightness sensor | 1A |
| A1e1 | Left turn signal indicator light | 35A |
| A1e10 | Parking brake indicator lamp | 19A |
| A1e11 | Parking brake indicator lamp | 21A |
| A1e15 | Supplemental restraint system indicator lamp | 40A |
| A1e16 | Preglow indicator lamp | 41A |
| A1e17 | Antilock brake system indicator lamp | 22A |
| A1e18 | Rear fog lamp indicator lamp | 42A |
| A1e2 | Right turn signal indicator light | 36A |
| A1e3 | High beam indicator lamp | 18A |
| A1e32 | ESP®/ASR OFF warning lamp | 22A |
| A1e38 | Standing lamps indicator lamp | 24A |
| A1e4 | Fuel reserve indicator lamp | 18A |
| A1e41 | Electronic Stability Program warning lamp | 25A |
| A1e51 | Brake system warning lamp | 26A |
| A1e54 | Coolant temperature warning lamp | 39A |
| A1e57 | Front fog lamps indicator lamp | 44A |
| A1e58 | Engine diagnosis indicator lamp | 45A |
| A1e59 | DISTRONIC warning lamp | 27A |
| A1e66 | Tire pressure monitor warning lamp | 46A |
| A1e67 | Low beam indicator lamp | 28A |
| A1e8 | Instrument illumination | 3A |
| A1e9 | Seat belt warning lamp | 39A |
| A1h1 | Warning buzzer | 3A |
| A1h2 | Turn signal light function check, acoustic | 2A |
| A1p1 | Coolant temperature gauge | 38A |
| A1p12 | Gear indicator | 29A |
| A1p13 | Multifunction display | 33A |
| A1p16 | Transmission mode display | 31A |
| A1p2 | Fuel level indicator | 16A |
| A1p5 | Tachometer | 37A |
| A1p8 | Speedometer | 17A |
| A1r1 | Instrument illumination brightness control | 2A |
| CAN B | Interior CAN | 15K |
| CAN E | Chassis CAN | 7K |
| CAN E2 | Chassis CAN 2 | 11K |
| N10/1 | Front SAM control unit with fuse and relay module | 2L |
| N10/1f28 | Fuse 28 | 2L |
| U12 | Valid for left-hand drive vehicles | 2E |
| U12 | Valid for left-hand drive vehicles | 13E |
| U13 | Valid for right-hand drive vehicles | 2E |
| U13 | Valid for right-hand drive vehicles | 13E |
| W15/5 | Left front footwell ground point | 2G |
| W15/7 | Right front footwell ground point | 2G |
| X30/30 | Vehicle floor chassis CAN voltage distributor electrical connector | 7L |
| X30/31 | Chassis 1 CAN (CAN E2) potential distributor electrical connector | 11L |
| X30/32 | Left vehicle floor interior CAN voltage distributor electrical connector | 15L |
| X30/33 | Right vehicle floor interior CAN voltage distributor electrical connector | 15L |
| Z35/7 | CAN bus high cockpit bus node | 8G |
| Z35/8 | CAN bus low cockpit bus node | 7G |