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    Cylinder scuffing with pictures

    I always suspected that the auto industry, to keep sales strong, was recommending inferior oils so that engines would wear out faster...I knew those Eastern European folks would figure out a solution! Bravo...🥴
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    Cylinder scuffing with pictures

    Thanks everyone for all your input! Consensus from the w212 amg forums is that these engines do burn a little oil, mine used less than 1 quart in 5,400 miles, so I'm doing well there ...I think. No piston slap or other funny noises, I always let the oil get up to the recommended 175 degrees...
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    Cylinder scuffing with pictures

    Hello Forum experts! I was hoping for some opinions on oil additives... I have a mercedes m157 engine (5.5liter bi-turbo) in my short commute, daily driven ride. I bought the car with 50k miles with fresh dealer oil. at 55k i changed the oil and put a cheapo boroscope into cyl 5 (known to be the...
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