Have you used the scanner to determine that your O2 is actually dead?
If it has the same configuration as our 96 C280, the sensors (there are
two) are directly before and after the cat, on the top, not easy to see.
I am going to replace the rear one, more difficult than the front one,
cause I can only 'feel', not see, it.
> Hello all,
>
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>
> Martin.