I've seen this before, tyres are listed as MO (Mercedes Only) as far as I'm aware the tyres are exactly the same as normal, I can't see any issues with fitting them.
2003 A4 Avant 2.5TDi Quattro
To do: Replace HID's with 4300k & replace led's & main beam bulbs - Lamin-X tint headlights - Twin Exit Exhaust Conversion - Puddle light and Footwell light retrofit - Rear roof spoiler.
WANTED: Unpainted standard front & rear lower valance (with twin exhaust cut outs) - from someone who's doing an S-Line upgrade.