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Do you know what is the main contribution to make engine oil of M273 become grease? Is it due oil change is not following recommended interval? Fake engine oil? Oil grade is not correct or any part of engine is defective?
Most likely just not changing oil, although I would have a hard time believing that was synthetic oil. Might also have been running hot. I've seen a failure like that at about 60k miles. Engine failed on a cold start because it couldn't pump cold grease. Pretty sure oil was never changed on that one.
I suspected that problem is might not realated to mineral oil or synthetic oil as well as oil change interval. Problem might due to compression is lost therefore a mixture after fuel burn on combustion chamer is enter oil pan and under pressure and heat cracking is happen to make oil become grease.
nasty oil, nasty driving, too many short runs, too much heat, cheap oil, oil left in too long, cheap nasty petrol etc., that bad on a high tech engine is not good news - prob best to put it out of its misery - if that's the way it was used and looked after the rest must be pretty sorry
I would say the oil was not changed, and the engine may have been run out of oil. The sludge in the front timing chest has nothing to do with compression or combustion.
Also agree with alot of short stop/start driving conditions. The engine likely spent alot of its operating time below full operating temperature.
a chap leasing a 2018 E class with the tractor engine has just had it go bang at 41k miles
He posted photos that look just like yours, his service history is terrible. On his, service intervals are supposed to be 15k miles.... but he's only had one oil change in the 41k he's done in 30 months since new. He has now destroyed the engine and Merc want $15k for a new engine which he can't afford.
but as he's leasing it, he had responsibility for full main dealer servicing on time and or now to pay out $15k for a new engine. Thus $100 every 8k for a decent oil change is a far better idea on a tractor.... silly 15k oil change intervals doesn't mean its a good idea! it means so we look competitive to BMW we stretch it 15% past what any sensible owner would ever do. And anyway the sooner the car wears out the sooner we sell another...
What would happen if you put a VW 504.00 507.00 oil in it ?
The spec of oil here is irrelevant as it was left in too long .
depends what that VAG spec is. Oil isn't just oil. The additives and blends of stuff brings a lot to the party.... .
old VAG tractors with PD tractor engines (pump duse or whatever) need high shear strength engine oil, much like a motorbike (engine gearbox combo on Jap 4 strokes). Put premium car oil in a motorbike and the gearbox will cut the molecule chains and destroy the oil inside 500 miles
then we get on to normal engine only things and the world is very different....
Ford spec specifies a high detergent, low ash oil as its better for economy
But nutters terrorising the autobahn at 160mph on their daily commute need high lubricity and Merc 229.51 is way different to what Ford say you need for their engines
USA SAE specs don't really work in the modern world.... to make the world simpler the euro boys invented simple stuff C3 is for power hungry maniacs trying to get to 200mph without destroying the engine and B3 is to go shopping
I found out VW 504.00 507.00 is 3 , 4 and 5 , a great combo as you take a bit from each others strengths , then there's the additive package - a LongLife oil so it will contain plenty of antioxidants , detergents and dispersants , now that's one complete oil...
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
