I found an autozone close by, that is usually where I get this stuff.

I am down with the Rotella, but not sure if I want to spring for synth, I have never put synth in a wiesel. I am lubricating the head and cylinders with marvel, and will dump the rest in the pan.

Is there really any differences in the batteries? I see an interstate at Sam's club for 95 or the walmart everstart for 65. I am sure the autozone unit is close to 100. If there is some truth to one being superior to the other, lets hear it, otherwise its wally world.

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1981 300TD
2005 C55
2004 E500
1999 ML430
1992 400E
1998 C43
2001 SL500
1988 300SEL
1986 190E 16V
1991 190E 2.6