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Old Jun 12, 2017 | 08:04 AM
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Mikezzz
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2012 C250
2012 C250 O2 Sensor Replacement
My '12 C250 needs a new O2 I purchased a new one, but before tackling this job I thought I would
ask for some guidance. The sensor I am replacing is Bank 1 Sensor 1. Is this best handled from up top or from underneath? Do I need any special tools besides the O2 removal socket which I already own? Any help you guys can provide would be greatly appreciated.

Mike
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