In addtion to the transmission fluid at 60K miles, you should also prepare to replace your fuel filter and plugs. There are 12 plugs, and they're platinum. It would also be a good time to change the gear oil in the rear differential.

I just bought a 2000 E320 last month, with 70K miles on it. I took it to my indy the following weekend to do the differential, plugs, fuel filter, coolant, engine oil and harmonic balancer, just to get it all out of the way. The transmission fluid had been replaced already, so I didn't have to do that.

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Jonathan

2011 Mazda2
2000 E320 4Matic Wagon
1994 C280 (retired)