Not sure who else saw orton's comment as "smart ass" other than you, but I certainly did not. As he just said +/-, it seemed to deal with the issue in a short and sweet manner.
I'm with PeterR.....
To the OP, Mercedes has backed down from their absolutely nothing more than B5 lately. They are slowly allowing wording into their no-no's that allow the higher rates with more frequent oil level checks and changes.
Obviously they've had to do this to be able to keep selling their diesels in the USA, which is now their largest single market