[StephenK]

Thanks for the feedback.

Originally Posted by whoover

0W40 was the only recommended weight until 2007, when a special 5W40 low-ash oil became mandatory for the Bluetec diesels with urea injection. In order to simplify stocking, MB updated the sheet to allow the 5W40 low-ash for gasoline engines as well. For a short while, dealers were using this in all engines. But some problems arose, and almost all dealers now stock both oils, using the 0W40 in gasoline engines and 5W40 low-ash in diesels.

I would stick with the 0W40 for all gasoline engines.