I feel like I can call that zero oil consumption.
Other fun facts include that I realized O'Reilly auto parts (my closest auto parts store) carries Wix oil filters for both my S550 and E55. They do not carry the XP version for my E55 (and there is no XP version for the S550). But that's still pretty good.
I did have some trouble resetting the service interval with the scan tool. Ended up using the steering wheel button method and that worked with no issues.
There is an FCP Euro article that may be relevant also: https://blog.fcpeuro.com/the-definitive ... 73-engines
In 2017, we campaigned an M272-equipped C300 in the AER series. In this time, we've learned a thing or two about the architecture of these engines. The only modification we made was the single-stage composite manifold offered in the SLK. This wasn't mandatory, it was just more suitable for continuous high RPM operation that’s common in a racing environment. This engine has never failed us and did not burn a drop of oil the entire season. Since the M272/M273 has been in production for the last fifteen years or so, many of its common ailments are well documented and easy to reference.
The M272 is the V6 version of the M273. No oil consumption in a race application seems impressive. Maybe these aren't known consumers. I just assumed they would be...