Boot dimensions

Hi there, I am thinking about buying GLC with the new facelift (2020 model). I was wondering whether someone could tell me the boot dimensions of that car. I have 2 large greyhounds, so have been after these dimensions for weeks now, and cannot get it from anywhere while we are in lockdown... The brochure from the website gives the width at the front and back seats, but these are different from the boot... Would anyone be able to help?