Blu_Ray_UK2007 Posted 1 hour ago Share Posted 1 hour ago Hello, I'm new to this site and I have an e220cdi w212 facelift om651. My vehicle is leaking oil from the bottom and the coolant is a watery brown colour. The coolant also disappears every couple hundred miles. I've run diagnostics, but no errors have shown up. Does anybody have any ideas what may be wrong with my car? Quote Link to comment Share on other sites More sharing options...
developer Posted 1 hour ago Share Posted 1 hour ago It's probably time to replace the head gasket, so I'd take it to a mechanic to get the coolant tested. That should reveal what's browning it. Quote Link to comment Share on other sites More sharing options...
Blu_Ray_UK2007 Posted 1 hour ago Author Share Posted 1 hour ago Is it typical for these engines to not produce any visible signs of wear and tear, such as a milky cap, white smoke, etc., unless the engine is run in cold weather? Additionally, I've read that a water pump leak may cause the coolant to become black and cause coolant loss, even if the leak is just a hairline. Quote Link to comment Share on other sites More sharing options...
Blu_Ray_UK2007 Posted 1 hour ago Author Share Posted 1 hour ago You can see the oil leaking from the engine's sump and central area. Quote Link to comment Share on other sites More sharing options...
clk320x4 Posted 1 hour ago Share Posted 1 hour ago Check this out. My money is on the oil filter housing getting cooled by coolant. Quote Link to comment Share on other sites More sharing options...
clk320x4 Posted 1 hour ago Share Posted 1 hour ago Quote Link to comment Share on other sites More sharing options...
clk320x4 Posted 1 hour ago Share Posted 1 hour ago It seems to be rather prevalent. I'm finding my stride here... Quote Link to comment Share on other sites More sharing options...
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