I thought that all of the cluster from the 129 cars were electronic...

I think that the problem you may have had was some sort of problem related to a connection to the cluster. I have had a problem with the speed reading, however it is related to the tire size. There is a company out there that rebuilds the cluster, but I have to dig out the companys name. Ill get that to you when I find it.

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-Justin

91 560 SEC AMG - other dogs dd
01 Honda S2000 - dogs dd
07 MB ML320 CDI - dd
16 Lexus IS250 - wifes dd

it's automatic.