oil changes,Are these oil leak problems related?

I had an engine oil cooler seal leak in my car about a month ago. Mercedes covered the cost of the repair as it is a known issue with this year/make/model. Less than a month later, I notice more oil leaking from my car. Today they inform me that it is an oil filter housing leak, and that repair won't be covered under the warranty since the oil filter leak is unrelated to the engine oil cooler seal leak that I already had repaired under warranty.

I want to know if it is possible that the oil filter housing leak is in any way related to the major engine oil cooler seal leak that was cove