I own a c200 2005 benz. Would anybody tell me which Shell, Castrol, Liqui Moly,... I should use for my car? there's no Mobil or other famous engine oils in my country. Please tell me the exact oil specifications.

It might help to know what country you're in. As for my, I use Shell 5w40 as per the sticker in the engine bay, but I've also used 0w40 from Mobil at some time when I couldn't find Shell.

I live in tehran-iran.

Ok, so what brand oils can you get?

I cant afford liqui Moly, Total, lexus, castrol, Shell

mmmm I don't know about your region but if you can't afford the oil then how do you afford the car? In any case, it's a risk but try to find a fully synthetic oil either 5w40 or 5w30, 0w is too thin and you'd have to carry a container on you just in case depending on your driving habits. Good luck.

These links may help:

Allowed engine fluids, like 229.5 for new petrol engines

c-class-w203-definitive-approved-engine-oil-requirements-usa.html (see pdf link on 1st post)

What does you owner's manual suggest?
Are you on extended oil changes, which usually requires an ACEA A3 rated synthetic oil .... shown on the oil jug.

Look for posts from Glyn, one the sites authorities on engine oil spec'ns.

Keep your head low, and I hope you are a good-guy, whatever that is.

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Sorry but if you cannot afford the oil than maybe you should drive a corolla or something? Don't want to sound harsh but you should maintain your car properly with MB approved oils.

Sorry, my fault. correction. Instead of saying "can" i said "can't"

Ok. that's clears alot of stuff up. If you can find Shell you're looking for something if not this actual oil, that's whats pictured on the sticker in my engine bay. http://www.shell.com/home/content/pr...x_ultra/ultra/

The MB 229.5 "approved list" includes many 0W-X oils, and currently has the same upper ambient air temperature limit of the XW-40 oils. We've used Castrol 0W-30 since new with no consumption issues at 30K miles. Also gained a couple mpg's on highway vs early use of M1 0W40.

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That's good and all but not every engine will behave the same especially since all the drivers are different. When I used 0w30 I noticed I did burn a bit more than 5w30 so I just carried a quart on me till I swapped back to 5w30. Yes, I gained some feel of the butt hp and the car warmed up faster but it was for piece of mind I carried it.

Must say one of the reasons we swithed to 0W-30 was GF did not beieve in warming up the engine when it had sat all day at 10-15F in the winter

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I'd say that's better then my wife not running the car for at least 30seconds after driving to let the turbo "cool down"

Any oil meeting MB 229.5 spec.

Common misconception. 0w-40 is not any thinner than 5w-40 or 10w-40 when at operating temp, and that's as thin as it'll ever get. The only difference is how thick the oil is at very low startup temp. 0w-40 will be thicker, but 5w-40 will be even thicker than that. However, the number before the "w" doesn't matter all that much in OP's case. It doesn't get cold enough in Tehran to make much difference between a "0w-XX" and a "5w-XX".

Nice explanation. Thanks.