I know there is a lot of posts covering auto trans fluid but I have heard not to use anything but MB fluid, and I have heard many using dexron II or III. this shifts great and only has 123000 miles on it and don't want to screw up anything. What do I use in this year car safely for topping off, or filter service and fluid change? It also leaks some fluid out the rear tail seal it seams, would anyone recomend a fluid additive for conditioning and possibly slowing a leak? Thanks for your time! Euromaine