(17 Jan 2017, 9:08 pm)mb134 wrote I'd argue that there isn't a great deal of difference between the E400 and E400 MMC cosmetically, at least the average passenger will barely notice. Let's not forget that the batches currently on there are hardly identical either.
What would you propose as a suitable spare?
You can still buy the E400, you dont "have to" go for the MMC variation.