Whilst attempting to clear some 'junk' from the garage I came across eight litres of Mobil 1 5W50 full synthetic oil, and wondered whether it could be used in the C70 (2000 model year)
My first thought is that the '50' weight is a bit too high for the engine when at normal temperature, but might benefit this higher-mileage engine.
10W40 semi-synth seems like most people's choice, which I have no problem with - probably just a bit of 'Scrooge McDuck' creeping in....
