2007 Mercedes S550

I need to replace the downstream o2 sensor and bought a universal one...the wires are different colors than the one that's on the car... So how do I know if I'm putting it together correctly? Is there some sort of conversion chart or something? Does anyone have any info that could help?
Thanks

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MBFanatic made a comment.
1 year 6 months ago

Most universal O2 sensors come with a guide on how to do that. And what wire to match.

 
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marko0811 made a comment.
1 year 6 months ago

My suggestion is not to use the universal O2 sensor. I've used them but they go bad quickly. It's just a waste of time and money. On your place I would buy an Bosch o2 sensor with the OEM connector

 

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