Hello,
How many O2 sensors are there on a 1999 C43. Front, back, before CAT, after CAT??
Thanks,
Randal

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1991 190E 2.3 SOLD
1972 911t 2.4 owned since 4/80 300,000+ miles SOLD
1999 C43
Merlin XLM, All Ti, 17.5lbs.

http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=2AO123CS42BN0ZKHDQ&year=1999&make=MB&model=C-43-001&category=C&part=Oxygen+Sensor

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A Dalton

Thanks Arthur,
So is that 4? That's crazy, I thought there were 2 at the most.
Randal

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1991 190E 2.3 SOLD
1972 911t 2.4 owned since 4/80 300,000+ miles SOLD
1999 C43
Merlin XLM, All Ti, 17.5lbs.

The 2 in front are closed loop feedback and the rears are cat emissions monitoring.

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A Dalton

Each bank is separately monitored, before and after cat.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician