My mechanic is rebuilding the transmission on my '88 300E. He said if I want synthetic ATF this is the time to switch. What is the consensus? If I use synthetic, is Mobil 1 the one?

Thanks,
Ray

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2001 Golf GLS TDI 5-Speed Reflex Silver 244K 46 MPG hwy Mobil 1 ESP 5w30 (VW 507.00 MB 229.51), Michelin Pilot Exalto A/S (mine)

2010 TDI Jetta Sportwagen DSG White Gold Metallic/Corn Silk 7K miles | Panoramic Roof | iPod kit | Mats+Splash Guards kit | built 11/09 | acquired 12/20/09 (hers)

'88 300E Sold

I like Mobil products I would use Mobil 1. Do a search their are some good threads about this.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Most of the people I have spoken with say to stick with regular Dexron III and just make sure to do the fluid changes at the recommend intervals. Others seem to favor the synthetic fluids of MObil 1 and Amsoil. I'm trying to decide whether to switch or not. Please keep us updated with what you decide.

Can you tell me a little more about your transmission rebuild. How much mileage is on your transmission? Did any of the parts break, like a band? Any details you can share as I am in a new transmission as well for 1989 300ce.

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1989 300CE Astralsilber/Schwarz
1992 300CE Schwarz/Schwarz