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Discussion Starter #1 (Edited)

Recently purchased a 2000 ML430 and just this week a problem occured.

The transmission will not change out of 1st gear. It will not even let you change maually.

The check engine light was on when purchased and I pulled the codes and requires 2 -O2 sensors. As well the fuel guage does not work.

Now I have read that somewhere that the transmission has a "safety" mode. Could this have been engaged due to the problems with the 2 sensors and fuel guage problem??

I tried disconnecting the battery for an hour and nothing.

Any help is greatly appreciated!!
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