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

Engine computer questions

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Old Jan 20, 2010 | 09:28 AM
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jobot's Avatar
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From: North Utah
1995 e320
Engine computer questions

i have a 95 e320 and just this morning the engine light came on. anyway i have a few questions. first does my 95 e320 have an obdcII computer or something else, if it is running obdcII where is the connector? seccond i need an oil change would that effect my engine light coming on? third what are some easy things that i can check that would make the engine light turn on?

thanks for all of your help joseph.
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Old Jan 20, 2010 | 11:26 AM
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Kestas's Avatar
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From: Motor City
95 E320 Cabriolet, 108K
The 95 E320 is not OBDII. It has a built-in diagnostic module located by the battery. You can build a homemade coed reader for under $5 from Radio Shack parts. The link below has all the detail you need to read the codes yourself.

http://www.peachparts.com/shopforum/...d.php?t=107630

The oil condition would not affect the check engine light.
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Old Jan 20, 2010 | 11:33 AM
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thanks for the reply. what are some easy things i can check though before i start messing around with building a code reader?
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Old Jan 20, 2010 | 12:10 PM
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From: Motor City
95 E320 Cabriolet, 108K
You can still read codes without the code reader. Just press button #2 for 2-4 seconds and count the number of flashes, repeat for the next code. The code reader is useful to get more specific codes.
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