CAS control unit
The CAS control unit is the master control unit for the systems listed above. The CAS control unit is the interface to the START-STOP unit with a fixture for the remote control. The electric steering lock is also activated by the CAS control unit. The CAS control unit is directly connected to the K-CAN (body controller area network). The electric steering lock is connected to the CAS through the body bus.
| Item | Explanation |
|---|---|
| 1 | Central locking drive, driver's door |
| 2 | Central locking drive, door on the front passengers side |
| 3 | Junction Box Electronics (JBE) |
| 4 | Central locking drive engine, tailgate |
| 5 | Button in passenger's side outer door handle |
| 6 | Control unit for Comfort Access |
| 7 | Remote control receiver in inside mirror |
| 8 | Footwell module (FRM) |
| 9 | Electric steering lock |
| 10 | Driver's side outer door handle with button |
| 11 | START-STOP unit with START-STOP button and fixture for remote key |
| 12 | Car access system (CAS) |
The fourth generation electronic immobilizer is integrated in the Car Access System.
The START-STOP unit is connected via a 14-pin plug connection to the CAS control unit. The START-STOP button and the remote key fixture are integrated in the START-STOP unit.