Fortunately, I do have £10K to turn into a planeweight and the guts to do so. The private plate was put on retention yesterday so the Up! is now history and Good Riddance.
Dropping the AMG brand would make sense if the savings from doing so exceed the (direct and indirect) profits from selling AMG cars and associated merchandise.
I don't know the answer to this question.... but I have no doubt that the bean counters do.
I much suspect the random (and infuriating) way AMG is used as an add on to more basic cars names model/s it must be a good money earner for MB.
Likewise their purchase of Brabus must have a reason for future plans.
Germans and their banks take a much longer view on profit return than UK, which (despite current issues) has worked well for their industries in the past.