My 1972 4/4 does as well, based on it being exempt from VED, whilst according to the website my 2015 MB E220 doesn’t even though the spec says it’s got a Euro 6 Diesel engine.
Hmmm - fast response by TFL to the German (supposed) collusion on defeating emmissions legislation?
https://www.autocar.co.uk/car-news/industry/bmw-daimler-and-vw-found-guilty-emissions-collusion Meanwhile for an M3W, one visualises the S&S guys scatching their heads and saying "what the hell is a ULEZ..." - perhaps next April 1 they will announce a hybrid X-Wedge for Morgan use
