Hello, I have changed the old Comand 2.0 DX to an NTG 2.5 on a pre-mopf-R230 in the last few days. I have made the corresponding adapter myself. The device itself works correctly, but it is not possible to operate via the steering wheel or only four strokes (—-) appear in the instrument cluster at TEL, NAVI and AUDIO. Also no volume control is possible on the steering wheel. At the instrument cluster already the D2B protocol has been recoded to the MOST protocol. SG reset was also carried out afterwards. I would have assumed that the command is not connected to the CAN bus and therefore only four strokes can be seen, however, with the SD can be accessed without errors on the command. What could it still be on? The command is taken from a Sprinter test by test. There it works with key operation and AI display impeccable. It should nevertheless work despite other series also on the R230 or not ? The protocols should nevertheless the g Theft protection is not active by the way, the device works otherwise also as it should. Thanks for a help or idea ! Many greetings Patrick