So how do you want to rank? Toyota still beats BMW and Merc in reliability go through the same article its not just dollars.. Perhaps you're comparing BMW and Merc with Toyota Indus 
From the article I posted earlier: Global BrandZ director at Kantar Millward Brown, told Automotive News Europe. "Overall, the Toyota brand is incredibly reliable and represents fantastic value and quality."
FYI: https://propakistani.pk/2016/10/07/top-20-valuable-automobile-brands-ranking-released/
Though it's from 2016, but article and evaluation is based off of "Brand Finance"