I am really curious - why would changing the oil too often be bad, and how often is too often? What is the mechanism of the problem caused by the frequent oil changes?
2003 Firemist Red/grey leather SL 500
2015 Palladium Silver/black mbtex GLK 350
1987 Smoke Silver/burgundy mbtex 300E Sportline (SOLD)
Click to see 87 300E