My first worry was fuel washing the bearings and the cylinder walls.
I was just thinking that flushing the engine and cleaning out the oil pan would be a good base line for a synthetic switch, then I don't have to worry about solids clogging the sump or whatever.

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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