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Old 11-13-2003, 10:15 PM
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blackmercedes blackmercedes is offline
Just a guy
Join Date: Dec 2000
Location: St. Albert, Alberta, Canada
Posts: 3,492
Is this on your S320? What year? Mileage? Any recent work? Condition of plugs? Wiring harness? (M104 harnesses in W140s?)

How's it running? Any changes?

OBD-I or OBD-II? Big difference.

The CE light on OBD-II cars can light for many, many things.

Have you had codes pulled? If not, you'll have to. If OBD-II, think about having an MB dealer or someone with Star Diagnosis System do it, as the tranny/AC/etc has codes that can be stored too. On 722.6 equipped cars, the tranny can light the CE light as well.
John Shellenberg
1998 C230 "Black Betty" 240K

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