Is it the same code for all markets? As we had differences for other Honda models.
Isn't it better to just use [EM]?

About Coupe/Coupé, one should check US brochures to see if they included the accent or not.
Often it is uppercase which tends to eliminate accents, but here for example they did not put an accent: https://i.ebayimg.com/images/g/fnQAAOSwV0RXq1g2/s-l1600.jpg