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What oil do I need

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38K views 28 replies 10 participants last post by  veeeight  
Have a look here, firstly look up your engine type, and see which MB spec of oil it needs.

eg if you have a M260 Engine, you’ll need a 229.52 (amongst others) spec of oil.

Oil Specifications per engine:




Then the 229.52 sheet will give you all the brands/type of oils that meets MB 229.52 spec.








(Previous thread)
 
Actually, viscosity is dependent on market and location. So you can get 229.52 5W-30 and 229.52 0W-40, the UK is OK for both.

As long as it says M-B 229.52 or M-B 229.71 or any of the approved specs on the side of the bottle, you’re good to go.


Additionally - it if just a top up of 1 litre of less - you can pretty much use any high street synthetic oil that meets MB 229.31 or better.

(Any oil is better than no oil..... ;) )
 
Not sure if I would be buying Fuchs again - I can presume it is good oil but I'd prefer the more name brands.
Fuchs is excellent quality.

It’s a little rabbit hole I wouldn’t recommend exploring, but essentially the additive package that makes it compliant to API SN or SP is only made by around 5 companies - so no matter which “brand” you buy, they will all use the same additive package.

(And the Group IV PAO base stock is also made by a handful of companies worldwide, of which Fuchs is one of them …..) ;)
 
A little reminder that “long life” oil change intervals are predominantly determined by marketing departments (in order to satisfy fleet/lease managers maintenance costs), rather than engineering departments……… :p

So if you’re keeping your car long term, and/or have more arduous usage (eg short distances, performance use etc) - you may wish to consider more frequent changes.




Case in point…..

An A180 M282 1.3 petrol A-Class has the same oil change intervals, as the AMG A45s M139 engine, an engine so highly strung and operating at vastly different pressures and parameters. Yep. Makes complete sense 😂