We have 84000 KMs on our 4cyl D240, without problems
had to reset the navigation twice in 2021, but since then the issue didn't re-occur
we do have new brakediscs and pad at 82000KMs, but living part-time close to the Stelvio-pass they get extra hard use
even my wife drives our DEF pretty fast through the mountains, it just steers so good!!!!
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