S55 AMG very high oil consumpiton hard driving

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Originally Posted By: MercedesAMG_Pola
15w50 and 10w60 Mobil1 are not avaible in Poland. And what do you think about archoil additives?

No but Castrol Edge 10w60 is in Germany, you drive there so no problem picking some up.
I would forget the Archoil. IMHO its just another snake oil.
 
What can you get in Poland? Since your not to far from Germany I can't beleive Mobil 1 0w40/5w40 is not available, its pretty much what Porsche, Mercedes, and AMG use in everything.

You need at least a 40 weight, 60 might be a bit much.
 
Originally Posted By: turtlevette
I'd be curious what your oil pressure and temp is running deep into these runs. What rpm are you running at? I would suspect 6 or 7K rpm. Looks like that car has a standard oil cooler.





Good point......maybe an additional oil cooler would help?
 
Originally Posted By: artificialist
What is the condition of the PCV system? A problem in the PCV system can dramatically increases oil consumption.


I was waiting for somebody to mention that.
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I suspec PCV system failure, what would be optimistic scenerio. I was also scaried about possible piston rings malfuncution. First of all I would like to start with new oil. Why Archoil is snake oil? They are advertised by JayLeno Garage and theirs' 9100 products seems to be similar to nanoboron additivite in Miller's oils.
 
Originally Posted By: MercedesAMG_Pola
15w50 and 10w60 Mobil1 are not avaible in Poland.

I would follow Doug Hillary's advice in this regard. He has some passing familiarity with such vehicles.
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Originally Posted By: Garak
Originally Posted By: MercedesAMG_Pola
15w50 and 10w60 Mobil1 are not avaible in Poland.

I would follow Doug Hillary's advice in this regard. He has some passing familiarity with such vehicles.
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LOL! Garak, the understatement master
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Oil consumption issue at 300km/hr is a classic example of "First World Problems" but I am not sure Poland is considered as First World nation. This is a thinly veiled brag thread.
 
Originally Posted By: Vikas
Oil consumption issue at 300km/hr is a classic example of "First World Problems" but I am not sure Poland is considered as First World nation. This is a thinly veiled brag thread.


I doubt this is a brag thread, the OP is interested in solving his problem. He probably did what anyone else would do, found BITOG on Google and figured he would ask for advice.For example, members ask questions about what oil to use for their track cars all the time.

Poland is a developed country with strong GDP growth. IMO it is by all means a first world nation, it's part of the EU after all.
The days of communism are long gone, I've been to Poland on many occasions and can tell you first hand that it's a modern nation.
 
Originally Posted By: mcrn
Originally Posted By: turtlevette
I'd be curious what your oil pressure and temp is running deep into these runs. What rpm are you running at? I would suspect 6 or 7K rpm. Looks like that car has a standard oil cooler.





Good point......maybe an additional oil cooler would help?


Nah, Mercedes and AMG build them for this kind of use. They already have coolers for every fluid.
 
5w30 doesn't belong in a car of that caliber if its being ran that hard ever! I'd be using a heavy and well known syn! At the very least M1 0w40 Euro. But from the sound of how you run your car with high mileage I'd be using a 50wt to control excessive engine wear and consumption.
 
I'd try M1 5w-50 and see what happens, but at those speeds/rpms, some oil consumption is inevitable, I'm afraid.

M1 5w-50 does not carry the latest MB 229.5 spec, but it does carry MB 229.3 and it is Porsche A40 approved, so I'd have no problem using it.

Pozdrawiam!
 
Originally Posted By: MercedesAMG_Pola
In regular use oil consumpiton is about 1-1,5l/1000km driving hard I can consume 0,5l in 100km. I have Access to closed roads and tracks also highways in Germany. It is pretty normal to drive such speed there:) 10W seems to be thick enought to reduce consumpiton that is why I am thinking about it.


1L per 1000 km of oil consumption in regular use I consider to be excessive oil consumption. I've seen oil analyses here on Mercedes engines that don't require top-up oil in 10,000 km. Maybe it is an engine issue. Hopefully you can find a problem with the PCV system, which would be cheaper to fix than rebuilding the engine. Maybe a thicker oil would help with consumption. M1 0w40 or 5w50 would be worth a try.

.5L per 100 km oil consumption in hard driving is pretty high, but only by a factor of 2, in my experience.
 
Let's face the truth, many people speaking about Poland as second world country can not even place it on a map. In fact western Poland seems to be as well developed as most regions of Germany excleduning Stuttgart or Munchen. In fact according to recent economic situation we are better developed than some rural regions in "typical" western countries. However, I must admitt that still there are many things to do. Turning national companies to private ventures after communism killed most of the industry in Poland.

In case of oil, I think I will try 5w50. If it helps I won't be checking PCV. Still, I made some research on Miller's 10w50 with nanotechnology and it seems to be great oil. The second option is 10w60. I am thinking also about getting 5w50 or 10w60 and adding Archoil 9100, 9200 or 9300.
 
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Ignore the Archoil.
Try the Miller's 10W60.
If I were you and I could get it, I'd run M1 15W-50.
You apparently use the engine hard enough that this grade might really be needed.
Certainly replace the PCV valve, if this engine has one, and check the tubing for clogs.
 
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