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JG · 10-29-2006, 08:31 AM

I had a similar issue with my 00 ML430 at around 55k. I used a code reader (http://obddiagnostics.com/) with a laptop to read my misfires over the period of 4-6 months because it was indeed intermittent. I would say about 50% of the time I would get an O2 sensor code. Before I changed that, I did the scheduled changes such as spark plugs and fuel filter. After getting the more misfires again, I went ahead and changed the 02 sensor the code reader referred to. All is fine now.

10-29-2006, 08:31 AM	#6 (permalink)
JG BenzWorld Member Date registered: Feb 2003 Vehicle: '00 ML430, '97 E320 Location: Michigan Posts: 161	I had a similar issue with my 00 ML430 at around 55k. I used a code reader (http://obddiagnostics.com/) with a laptop to read my misfires over the period of 4-6 months because it was indeed intermittent. I would say about 50% of the time I would get an O2 sensor code. Before I changed that, I did the scheduled changes such as spark plugs and fuel filter. After getting the more misfires again, I went ahead and changed the 02 sensor the code reader referred to. All is fine now.