Mobil 1 5W-50 purchase in USA?

[philipsearcy]

Does anyone know where I can buy Mobil 1 5W-50 in quart (liter) bottles here in the states? This is pleantiful in Europe in Australia, so surely someone imports it and sells it here. Thank you. Philip.

 

[Audi Junkie]

Ask at Mercedes, it's used in McLaren??? Syntec is the most common 5w-50 here.