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Hello. Somewhat of an ambiguous question, but why would my oil darken within 1000 miles on my 2016 453 when my old 451 didn’t turn oil dark well past 4000 miles?

Soot is usually the culprit for dark oil, and I was wondering if the turbo had something to do with it. I may get an oil analysis done during my next change
 

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It is possibly due to the turbo. I have owned a number of turbo diesel pick up trucks over the years. A fresh oil change looked dark in just a few miles and it took 12 quarts and a filter in my Dodges. :shrug:
 

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Diesel is DIRTY!!! As soon as you start after an oil change it starts to become black.

Which oil? Mind I ask.... (There was such confusion about 229.5 vs. 229.51 that that alone probably scared away a lot of prospective 453 owners).....
 

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Lol. Amsoil 5W40 MB 229.5
This is the same oil I used on my 451. I doubt that the oil type would cause this?
 

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My worst fear is that there is excessive blow by from the Turbo pressure. Or a problem with the Turbo itself. Any 453 owners that check their oil and can note the color out there?
 

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Lol. Amsoil 5W40 MB 229.5
This is the same oil I used on my 451. I doubt that the oil type would cause this?
Unless you started pumping diesel, I don't think so. :)

I checked Amsoil's website, and I guess they don't want to mess with the liability, but they do not list any recommended oils for a 2016 or 2017 smart fortwo.

Mobil lists 229.5 now, thankfully, (which I think is correct over 229.51).

Hopefully someone with a 453 can take a look for you and report.....
 

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My worst fear is that there is excessive blow by from the Turbo pressure. Or a problem with the Turbo itself. Any 453 owners that check their oil and can note the color out there?
The best thing too do would be to get a used oil analysis, like the kind that Blackstone Labs can provide. You'll know exactly what is causing the darkness, and they will tell you if you have wear particles in the oil as well as how much of the oil's additive package is still intact. Very worthwhile if you are curious.

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