At the risk of being corrected, it was always my understanding that officially Mercedes doesn't sanction any "tampering" with the ALDA as it's (a) delivered as a factory preset and (b) to alter its setting interferes with emissions setup. I think you would need to find Bosch injection service literature, not Mercedes, in order to read about it.

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Mac
2002 e320 4matic estate│1985 300d│1980 300td
Previous: 1979 & 1982 & 1983 300sd │ 1982 240d

“Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22