Wiring diagram for instrument cluster (IC) control unit - PE54.30-P-2101-99FAA
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2013 Mercedes-Benz C63, 2012 Mercedes-Benz C63, 2011 Mercedes-Benz C63, 2011 Mercedes-Benz C350, and 2010 Mercedes-Benz C63. However, it is still accessible from the selected car via links, so may be relevant.
MODEL 204.0/2/3/9 Control unit A1
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Explanation of color codes | 23L |
| A1 | Instrument cluster | 4A |
| A1 | Instrument cluster | 11A |
| A1 | Instrument cluster | 20A |
| A1b1 | Brightness sensor | 20A |
| A1e1 | Left turn signal indicator light | 9A |
| A1e15 | Supplemental restraint system indicator lamp | 5A |
| A1e16 | Preglow indicator lamp | 17A |
| A1e17 | Antilock brake system indicator lamp | 21A |
| A1e2 | Right turn signal indicator light | 10A |
| A1e3 | High beam indicator lamp | 22A |
| A1e4 | Fuel reserve indicator lamp | 18A |
| A1e41 | Electronic Stability Program warning lamp | 15A |
| A1e54 | Engine coolant temperature malfunction indicator | 13A |
| A1e58 | Engine diagnosis malfunction indicator lamp | 7A |
| A1e64 | Service brake indicator lamp | 3A |
| A1e66 | Tire pressure monitor warning lamp | 23A |
| A1e7 | Brake fluid and parking brake warning lamp | 6A |
| A1e8 | Instrument illumination | 2A |
| A1e9 | Seat belt reminder lamp | 19A |
| A1h1 | Warning buzzer | 12A |
| A1h2 | Turn signal light function check, acoustic | 10A |
| A1p1 | Coolant temperature gage | 12A |
| A1p12 | Gear display | 16A |
| A1p13 | Multifunction display | 8A |
| A1p16 | Transmission mode display | 16A |
| A1p2 | Fuel level indicator | 13A |
| A1p5 | Tachometer | 20A |
| A1p8 | Speedometer | 14A |
| A1r1 | Instrument illumination brightness control | 2A |
| CAN B | Interior CAN | 11K |
| CAN E | Chassis CAN | 8K |
| N10/1 | Front SAM control module with fuse and relay module | 3L |
| N10/1f28 | Fuse 28 | 2L |
| U1 | Valid for USA | 3A |
| U12 | Valid for left-hand steering | 3E |
| U13 | Valid for right-hand steering | 3E |
| U2 | Valid for all except USA | 5A |
| U645 | Valid for tire pressure monitor | 22A |
| U74 | Valid for diesel vehicles | 17A |
| W15/5 | Left front footwell ground point | 4G |
| W15/7 | Right front footwell ground point | 4G |
| X30/30 | Vehicle floor chassis CAN voltage distributor electrical connector | 8L |
| X30/32 | Left vehicle floor interior CAN voltage distributor electrical connector | 11L |