I've seen it listed differently and perhaps this applies more to older
cars; I really can't speak to the newer stuff post 1990.
But, it should be non-zero at idle (it can be 1, 2 or 3 bars) and it should
rise above idle.
The actual numbers are fairly meaningless. All that matter is you have some
oil pressure at idle (min: 1 bar) and that you have more above idle.
Need Mercedes parts? http://parts.mbz.org
Richard Sexton | Mercedes stuff: http://mbz.org
Interesting, I'm running this 2.8ltr M130.920 since a few days and it idles
slightly below 1... A friend of mine has a 2.5ltr and it idles just above .5
From what we know, the minimum should be above .5 when idling.
Mine goes above 2 or 3 when pushing the pedal, but when releasing the
pedal and going slower, it sometimes falls below 3.
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