When you tried to start it, would the engine crank but not start, or would it not turn over?

If it wouldn't turn over, then it was hydrolocked (antifreeze in the #1 cylinder), and you do have that potential for a bent rod...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car