1998 S500 CEL on bad O2 sens, w/new sensors at MB dealer

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1998 S500 CEL on bad O2 sens, w/new sensors at MB dealer

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ken_xman 1998 S500 CEL on bad O2 sens,... 12-07-2004, 03:35 PM

mbdoc What are the codes? There are... 12-08-2004, 08:04 AM

12-07-2004, 03:35 PM

ken_xman

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Join Date: Nov 2004

Posts: 143

1998 S500 CEL on bad O2 sens, w/new sensors at MB dealer

My father in laws 98 s500 keeps triggering the CEL and error coding the o2 sensor. The sensors are all new and one keeps triggering the light. Even after checking with a second new sensor....same problem.

The car is at the MB dealer, and they are stumped. No broken wires.... and the fault signal jumps up & down, rather than a dead break in a wire somewhere.
ANY IDEAS??? Ever seen before?

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