Help with crit air

[WESTY66]

Hi, does anyone know what vehicle catagory should I put my euro5 4250kg motorhome in pls
TIA Ady

 

[Lenny HB]

Heavy goods for over 3500kg, you will get a Class 2 sticker.

I've got to get a new one I've just had the screen replaced.

 

[spitfire]

Choose poids lourdes and relèvent year band

 

[WESTY66]

Heavy goods for over 3500kg, you will get a Class 2 sticker.

I've got to get a new one I've just had the screen replaced.

It’s come up as class 3 where have I gone wrong, could it be that I’m euro5?