Re: Miele Novotronic W820 (how old model?)
Pull the soap tray out and look underneath
There will probably be a date stamp(sundial stamp) telling you when the
component was manufactured.Year is in the centre month on the outer.
If you take the lid off the same thing -date stamps on drum etc
Reasonable to assume the machine was then originally sold within
say 3mths of these dates.
You may even find a manufacturing sheet under the lod some of the Miele
machines I have seen have some documents taped to the underside of the lid or side panel.
Hope this helps….in the absence of any other info this approach will
give you a fair idea I think?