E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

O2 sensors, are they interchangeable?

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Old Mar 28, 2006 | 12:08 AM
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jozsef61's Avatar
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O2 sensors, are they interchangeable?

I have a 94 E320 which failed the smog test. And a 92 400e. Can I swap 02 Sensors? Wanna see if that will fix my high CO's.
thanks, Sabi
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Old Mar 28, 2006 | 01:04 AM
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W124's
Yeah, the O2 Sensor is among one of the easiest installs I have done til this date. Search the forums and you can find a discussion by me talking about it in detail and how you can buy a OEM Bosch Ford sensor and just splice the wires.
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Old Mar 28, 2006 | 02:20 AM
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W124
Unless you have an M104 which is a four wire O2 sensor in which case I don't know which is the compatible sensor.
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Old Mar 28, 2006 | 02:36 AM
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lots of cars
the one for the m104 is from some kind of chrysler van but you need to do a google search on that one or here on mbworld...
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Old Mar 28, 2006 | 08:56 PM
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From: Santa Fe, New Mexico
1994 E320 Estate Alpine Green/Cream Beige(dads) 1978 240D Sedan Pastel Blue/Blue MBTex (Mine)
I heard that if its a three wire sensor then the Mustang 5.0L O2 Sensor will splice on and that if its a 4 Wire sensor then one out of a mid 90's plymouth voyager one will splice right in. its like 100$ cheaper and the sensor itself has almost the same part numbers. We used the plymouth voyager one in our 94 E320 and its a real easy swap. i think u have to get one for the 3.6L version or something close to that.
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