Join Date: Nov 2017
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I've done all my maintenance to date on Pam's 45 (2+ years and 20K miles). No repairs have been required and due to computer required assistance the transmission oil will be a dealer job at 30K miles.
Maintenance has been easy. I can't speak for jobs like PVC valve replacement. I can't see the rear diff as a difficult task especially if you have a lift.
Only the basics ...
Oil and filter three times with a fourth on the near horizon.
Rear differential oil once with a second coming soon.
Tire rotations three times.
Brake fluid flush with another coming up.
A few cosmetic modifications.
It was on the dealer for the clock spring recall.
It was on the tire shop for new Michelin MPS4s and an alignment.
Beyond that ... Nothing needed.
History across a wide user base using Mobil One in my Porsche 997.2 9A1 motor indicates viscosity breakdown begins around 3K miles. By 5K miles it is time to replace. That motor puts out 100 HP per liter.
The 45 engine puts out 200 HP per liter (it's 1.9 liters, not 2) so the stresses have got to be higher. I wouldn't go past 5K miles.
There are other options like Motul or Driven (they make an oil specifically for DFI motors to guard against LSPI and possible bore scoring ... an issue with the Porsche M96 and M97 motors without DFI and a possible safe guard on the 9A1 motors).
I don't know that the issues are the same with the MB motors vs the flat sixes of Porsche.
Meanwhile I'm sticking with Mobil One during warranty at least ... plus I've got gallons of the stuff waiting to be used!!!
Thinking about oil ... we haven't seen an oil thread on this Forum!!! Please be polite 😎