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  #1  
Old 03-15-2007, 06:03 PM
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Join Date: Aug 2006
Posts: 9
Unhappy check engine light

Check engine light on my 1994 e320 convertible came on again after being reset by a mechanic who claims the car needs a new wiring harnes setting me back $1000.00
Not sure he knows his staff,I know there are a no of reason for the light to come on so I was wndring ig anyone has had a similar issue and how it was taken care of.Spending a $1000.00 does not seem to be an option at the moment.
Thank YOu all for your help and feedback
Jay
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  #2  
Old 03-15-2007, 06:08 PM
david s poole
 
Join Date: Mar 2005
Location: dallas
Posts: 1,822
i think that he knows his stuff and you better hope that the electronic accelerator wiring is still good.
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David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
http://www.w108.org/gallery/albums/A...1159.thumb.jpg
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  #3  
Old 03-15-2007, 06:42 PM
skiier3_9's Avatar
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Join Date: Jan 2005
Location: Minnesota
Posts: 975
The wiring harness on that car (all 93 - 95 MBs) is very prone to failure - do a search here, there are plenty of threads.

You could ask him what codes were retrieved or retrieve them yourself using the push-button/LED combo on the diagnostic module.
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  #4  
Old 03-15-2007, 07:54 PM
Larry Delor's Avatar
What, Me Worry?
 
Join Date: Jun 1999
Location: Sarasota, Fl.
Posts: 3,115
I'm going through the bad wiring nightmare right now. Hope you get lucky with yours!

As skiier wrote, see if he will tell you what the codes were. Depending on when your car was made, you may be able to get the base codes yourself by counting LED flashes.
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09 Jetta TDI
1985 300D
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  #5  
Old 03-19-2007, 02:27 PM
Texholdem
 
Join Date: Mar 2007
Location: Dallas
Posts: 756
Hi,

since this morning my Check Engine light is on when headlights are turned on (low beam / high beam), the warning light goes off again when I turn off the headlights. I cannot figure out why turning on/off the headlights has something to do with "Check Engine". I'd appreciate all suggestions, thanks!
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1996 E320 since 1/16/08, 171K miles as of Feb 2011

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1989 300CE - R.I.P. Dec 29 2007
Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE
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  #6  
Old 03-19-2007, 02:47 PM
david s poole
 
Join Date: Mar 2005
Location: dallas
Posts: 1,822
sounds like someone has had the instrument panel out and the bulb for the light bulb out light is plugged into the check engine light hole.why don't you check and see if you have one of the small bulbs out when the lights are on.fix it and see if the light goes out.
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David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
http://www.w108.org/gallery/albums/A...1159.thumb.jpg
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