Seat cupra 280 brake bleeding

General rule of thumb is start with furthest caliper from master cylinder if doing a complete fluid change

Leonmb said:

Hi, I’m changing my discs, pads, braided hoses and doing a complete brake fluid change. Do you just bleed each caliper like normal or is there something you have to do with the ABS? TIA

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I'm sure I saw somewhere that it's best to use a pressure bleeding kit.

2L should be enough

When I did my mk6 Golf R I used 1.2L .

Can't see the cupra using much more than that

What DOT rating is it?

I'd be very surprised if it has magnesium components, and you don't have to worry about silicon in the brake system.
DOT 4 is in widespread use, suits nearly everything but Harleys.

The OP refers to components of mainly magnesium construction, which are reasonably uncommon on everyday cars. I've used DOT 4 and 4.1 on all my bikes and cars with aluminium brake parts for many years without a problem. It has been the specified fluid for all of them.
A more important thing is to change the fluid regularly, every two years at least.