Electronic Toll Collection, function

Function requirements

 "Circuit 15R ON"

 COMAND controller unit (A40/3) has been activated via the "ON" button (A40/9s6) at the front central operating unit (A40/9)

 Electronic Toll Collection System (ETC) card inserted

General

The ETC simplifies the process of payment on toll roads. It settles payment procedures automatically without the driver having to stop the car.

 The ETC has its own power supply. However, voice output is not possible when the COMAND controller unit is switched off.

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Function sequence

The Electronic Toll Collection antenna (ETC) (A2/94) and Electronic Toll Collection control unit (ETC) (A50/3) are installed in the vehicle for transmitting and receiving the data. The Electronic Toll Collection control unit (ETC) communicates with the toll booth over the ETC antenna. For automatic payment a special ETC card must be inserted into the electronic toll collection (ETC) control unit. All information concerning the user and the fees that have already been paid are stored on this card. At the vehicle side, the electronic toll collection (ETC) control unit is connected via an RS-232C interface to the COMAND controller unit. The ETC also has voice output and visual output (pop-ups).

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The voice output is:

- ETC card read error

- ETC card not accepted

- ETC card reader error

- ETC gate communication error

- Detailed information on the last fee payments (menu, navigation system, navigation system menu, ETC history)

- ETC card not inserted

Visual outputs (pop-ups) on the Audio/COMAND display (A40/8) are:

- COMAND controller unit booted and no ETC card inserted

- COMAND controller unit booted and ETC card inserted

- Positive feedback from toll booth

- Negative feedback (if no authorization)