MBWorld.org Forums - CEL P0054 (O2 Sensor)

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Testudo

05-03-2015 05:29 PM

CEL P0054 (O2 Sensor)

My car just threw the P0054 code, Heater Resistance (Bank 1, Sensor 2). I have LTH and HFC. Can anyone tell me what sensor this is that I need to replace? Which side? Upstream or downstream? I tried googling but found nothing C63 specific. Thanks in advance.

BLKROKT

05-03-2015 05:53 PM

Secondary O2 (post cats) heater circuit is bad. Bank 1 is driver side.

Testudo

05-04-2015 07:10 AM

So bank 1 is driver side? I found conflicting information regarding the C63. Is this the correct sensor: http://www.partsgeek.com/catalog/200...en_sensor.html

Part Number: 30130-07102107?

BLKROKT

05-04-2015 09:31 AM

Sorry, passenger side (right side sitting in car)

Testudo

05-04-2015 02:01 PM

Thanks. Is the O2 sensor in the link above the correct one?

BLKROKT

05-04-2015 04:39 PM

The $56 one, yes

Testudo

05-05-2015 10:20 AM

Awesome. Thanks for the help, BLKROKT.

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