Security alarm sensor; Alarm siren; Central control unit for comfort systems; Antenna for central locking and security alarm; Antenna amplifier 3
| G578 | Security alarm sensor |
| H12 | Alarm siren |
| J393 | Central control unit for comfort systems |
| R47 | Antenna for central locking and security alarm |
| R112 | Antenna amplifier 3 |
| ST3 | Fuse box 3 |
| SC12 | Fuse 12 in fuse box C |
| T3e | Connector, 3-pin |
| T4f | 4-pin connector |
| T32s | Connector, 32-pin |
| 51 | Ground connection point in the luggage compartment on the right |
| 277 | Ground connection 3 in the passenger compartment wiring harness |
| 377 | Ground connection 12 in the main wiring harness |
| B301 | Positive connection 5 (30) in the main wiring harness |
| B528 | Connection 1 (LIN bus) in the main wiring harness |
* - Sedan.
*2 - see current fuse box diagram.
*3 - see the current electrical diagram for MMI (electronic information system).
*4 - depending on the configuration.
- ws = white
- sw = black
- ro = red
- rt = red
- br = brown
- gn = green
- bl = blue
- gr = gray
- li = purple
- vi = purple
- ge = yellow
- or = orange
- rs = pink

