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thank you. On automotive engineering classes these days, and been in way too many discussion in class on every tiny bit of these things.. trying to get fact straight not listening to nerds.

Hi, Having the M256.9 engine, and the manufacture suggests to use any of the following specs: 229.51, 229.52, 229.61, 229.71, 72. From my understanding, .51/.52 are a bit older and it contains several viscosity: 0w30/5w30/0w40, etc. https://operatingfluids.mercedes-benz.com/sheet/229.52/en The...

oh interesting.. thanks!

The spec is 239.71, which is stated in the title. In MB website, only OEM fluid is listed. However, red line has the spec. OEM fluid is manufactured by Fuchs, so Fuchs' own 75w85 has it as well.

well i would say I can afford it, just don't want to pay a premium for OEM logo. For example, this 239.71 MB OEM is $60-70, which is made by Fuchs. Their 1L bottle is about $40. I'm posting for collecting some recommendation, not discussing the personal value on branding. Thank you for your...

https://www.redlineoil.com/75w85-gl-5-gear-oil they do have 239.71, just not on MB website which I think it's not updated

Any recommendation? The OEM one is made of gold ($60 / qt) and I don't think I can afford it. I see red line 75w-85 has the OEM approval, any thoughts on that? It's odd that many manufactures recommend 75w85 these days but the common brands like Valvoline/M1 don't have this viscosity. I have a...

Hi, My car comes with M256 engine which requires the 229.51/52/61/71/72 spec. I found the 229.51/52 oil is quite available in Walmart or Amazon, such as Mobil 1 ESP or Pennzoil Euro LX. But I recently came across some discussion here that US gasoline has higher sulfur content and will cause...

Hi all Bought this from rockauto. I know Wix is part of Mann but not associated with Mahle. However the filter I got has both Wix and Mahle on it. Is this legit?