I have a Mercedes Benz M256 engine (DI I6 turbo 3L) and I use the MB approved oil Pennzoil Platinum Euro LX 0W-30. This is an API SN oil.
I recently found out about the relatively new API SP spec oils that are "beneficial" for DI engines.
Unfortunately Pennzoil Platinum Ultra is not MB-approved for my engine, otherwise I would use it. It is SP.
So one question is; if SP spec is so good for DI engines, why do the OEMs require it? Is there a strong consensus to use SP for DI or is there a risk to use SN for DI?
The last DI engine I had used PP Euro 0W-40 (SP) and that engine could have run forever so I have some "confidence" in SP oils for DI engines.
Also what is the risk, if any, to just use PP Ultra 5W30 (not MB approved) going forward? Purely from a technical point of view.
I recently found out about the relatively new API SP spec oils that are "beneficial" for DI engines.
Unfortunately Pennzoil Platinum Ultra is not MB-approved for my engine, otherwise I would use it. It is SP.
So one question is; if SP spec is so good for DI engines, why do the OEMs require it? Is there a strong consensus to use SP for DI or is there a risk to use SN for DI?
The last DI engine I had used PP Euro 0W-40 (SP) and that engine could have run forever so I have some "confidence" in SP oils for DI engines.
Also what is the risk, if any, to just use PP Ultra 5W30 (not MB approved) going forward? Purely from a technical point of view.