Gilly,

Thanks again for your knowledge. I was afraid that trying to limp that bastard home and to the dealer was going to foul a cat due to unburned fuel from the down cylinder. You have eased my mind.

360glass,

The cat replacement was probably due to a cracked weld, which is a common failure on these vehicles. We had ours replaced under warranty, which I am sure is 80k miles. I wouldn't associate it with the CEL.

What I read applies to engines in MB model 163, and it does show an V-8. I am not sure I am interpreting this right. If you want I can email pdf file that contains literature.

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Ric
Ann Arbor
2000 ML320, 172k

If you think education is expensive, try ignorance.

The V6 is the M112, the V8 is the M113.
My email button is below each post I make if you want to email me.
Gilly

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