Black oil means the engine is dirty. Or you don’t have an air filter.Black is usually good, means it's doing its job keeping things clean.
Black oil means the engine is dirty. Or you don’t have an air filter.Black is usually good, means it's doing its job keeping things clean.
Or it's an engine that just has a tendency to generates a lot of contaminants. My 6.4L is one such mill, as was the S62 in my M5. In that case, the oil being black is it doing its job and flushing those contaminants out by keeping them in suspension.Black oil means the engine is dirty. Or you don’t have an air filter.
That engine may be cleaner inside, or doesn't generate as much in the way of contaminants. As I mentioned, Mobil specifically calls out their 0w-40 as being able to clean, this is due to the ester content. If that engine has some accumulation inside, this oil may be cleaning it out, causing it to look darker than the other oil, that isn't providing that same function.I have to agree with all of you but why does only one brand get very dirty in my car? Same oil behaves very differently in another Mercedes but with a M271 EVO engine. Never gets as black with almost twice the mileage between changes.
Good question. No Idea. It's an alum., 32 valve, 16 spark plug, dbl OHC engine. Precursor to the AMG engine. Very fast car.
Yeah, @2EHA posted the underside of the head on the previous page. Dual ignition like the HEMI, SOHC, dual intake valves, single exhaust valve per cylinder.
Air intake leak??I have to agree with all of you but why does only one brand get very dirty in my car? Same oil behaves very differently in another Mercedes but with a M271 EVO engine. Never gets as black with almost twice the mileage between changes.
and it saved them a lot of money.Apparently MB did a better job with that design than Ford.
Yes, I agree!Apparently MB did a better job with that design than Ford.
I somewhat recently replaced the intake manifold due to the the rods that control the flaps breaking. All looked good. All new vacuum hoses too.Air intake leak??