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- Sep 26, 2010
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- 9,807
With my most recent OC in my GLC, I switched to Castrol Edge European in 0W-40. In some ways, I am glad that I did, though I will not know for a while if it is better than M1 Euro 0W-40 in any way. M1 has me concerned because MB has a 10K OCI, however here are the oxidation rates for the past 3 OCs:
* - nearly certain the dealer used xW-30 as the FF instead of the required xW-40. The viscosity was flagged as low, but the lab was expecting an xW-40 as I indicated.
They flagged the oxidation level of 24 as "caution" and the oxidation level of 34 as "warning" and requested that I send in a VOA to set a baseline. Obviously, (and depending on the next UOA), I will either continue with Castrol or I will try Pennzoil Platinum Euro 0W-40 to see how it fares.
What is the general opinion of the oxidation readings? It is my belief that I would have had a much higher reading had I gone the full 10K, though otherwise, the oil seems to be fine.
What say you?
* - nearly certain the dealer used xW-30 as the FF instead of the required xW-40. The viscosity was flagged as low, but the lab was expecting an xW-40 as I indicated.
They flagged the oxidation level of 24 as "caution" and the oxidation level of 34 as "warning" and requested that I send in a VOA to set a baseline. Obviously, (and depending on the next UOA), I will either continue with Castrol or I will try Pennzoil Platinum Euro 0W-40 to see how it fares.
What is the general opinion of the oxidation readings? It is my belief that I would have had a much higher reading had I gone the full 10K, though otherwise, the oil seems to be fine.
What say you?