The first model S has been released in 2012, about 370 weeks ago. 900 Mm would be would be 2432 kilometres per week (1511 mi/wk), approximately 24 hours of highway speed driving (100km/h) per week.

Do you have any additional information on this claimed 900000 km figure? Or did you mean 90000 kilometres, which is just standard for such a car type.