I need to change my trany oil in my 300e 2.8 1993
Shoud I use syntetic oil from MB dealer or Bilstein mineral oil. The price is about the same. Trany is OK 165K mile ,but I am wondering if the syntetic will preserve better the trany. How about change intervals in case of using this Syntetic oil. I already use Mobil1 15W50 for the engine and I am very hapy with it.

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New Addition to the family
2013 Passat TDI 5Miles
2004 E500 4MATIC Wagon 95k
1996 E300 Diesel 173k Sold
1993 300E 2.8 230k Sold
1994 E320 White Wagon 373K Sold
Still dreaming about ....500E


Radu Negru

automatic use dexron III 6.2 ltrs drain and refill
manual SAE:ATF-A 1.7 ltrs 4/5 speed

radunegru - I switched over the summer (132,000) to Mobile 1 Syn Tranny oil and it seems to be a bit smoother, most notibly right from the start of the drive. As long as you dont have any leaks you shouldnt have a problem with holding oil. As far as drain intervals, with syn engine oil you can prolong intervals but as the interval is fairly lengthy anyways I wouldnt temp failure. Not that it wouldnt keep lubricity properties, but rather that changing it would prevent any sediments from getting any where they shouldnt.

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88 300E
03 911 C4S
2008 Triumph Speed Triple

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