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Date registered: May 2004
Vehicle: 1985 190E2.6(junked), 1995c220, 2000CLK430(totaled), 2001C240, 2009 CLS
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Insult away, it's no big deal , all of us learn from these forums, there are no stupid questions. Keyhole is right compression test should be done on warmed engine, but in your case, as it would confirm bad rings or worn bore( I'm leaning towards rings), I might say just pull plugs squirt a little oil in cyl crank over a few seconds and see what the numbers tell you , example, if one is at 135 and all the rest are at 90, it's worn out, it's not exact measurement just a ball park idea, so you can gage your next move, if you want to keep car. You said it's not running, does it turn over, it's possible you've spun a bearing on crank/rod if you pumped all the oil in the engine out, if that's the case, engine is pretty much toast.