Background:

To ensure proper overall transmission shift function performance and/or shift quality, software upgrade FID 605 should be downloaded as the procedure describes below.

Cars involved:

Model                    Factory                       Chassis no.

580                         1                          1345120-153151

Materials:

Description                Quantity          Part no.

SW FID 605                   1               8636857

Service:

Vehicles within the chassis number range listed above should have SW FID 605, P/N 8636857 downloaded at the next scheduled service.

To check it SW FID 605 has been downloaded into the car ONE of the following unique software part Numbers should read out from the TCM via VADIS: 8653111, 8653112

After the SW download, the adaptive values for the TCM should be reset as per the instructions in VADIS.