Derek_CDI do a search over at MB world, lots of members their have sent their oil to the lab. It seems that a lot of crap gets into the oil as the new engines clean themselves out in the first few changes. I think one member had his oil tested at like 7k and it came back over the limits in a few areas. The lab said do a few short changes then you can push them to 13k miles or more.


Basicaly if you plan on keeping the car for 5 years or 100k miles do 13k mile changes from day 1. If you plan on long term ownership do the first few sooner and work your way to the 13k miles.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200