Must admit I'd missed that. I'm not sure you'd get an 11 year old happily facing rearwards XD
But now everyone who reads this thread knows... Ta :)
Clicking the link and looking at the first bullet point would have been quicker than writing a comment. Group II / III car seat suitable 15-36 kg (approx. 3-12 years)
Indeed ~45cm. Even so 3 across of the back of an S-Max are still touching.
What age can this seat up to please?