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  #1  
Old 08-15-2004, 09:14 PM
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Join Date: Oct 2003
Posts: 141
Check Engine Light Not Working?

Hy to everybody,
I have a CLK 430 1999 and you guys helped me to fix some little problem.....thanks a lot.
Now i have a question, even if i can check my error code with my scanner and delete them my CHECK engine light NEVER come on even if i have a problem like MAF or a misfiring.........i tried to disconnect one coil for lig, start the engine and.........nothing.....even if i can see the code and after delete this.
I am afraid that in case of i will have some minor problem i will not see this....
may be the previous owner did somethingh with the dealer for disconnect this function?
Many thanks guys.
Alberto

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  #2  
Old 08-15-2004, 11:11 PM
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Location: Gainesville FL
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Key on, engine off, all the lights should be on. Does the light work then?
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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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  #3  
Old 08-15-2004, 11:33 PM
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NOT.......but i ma not sure if in my car the light is in reality on the center instrument.....i mean on the combined instument that can show KM, and oil level...
Thanks
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  #4  
Old 08-15-2004, 11:35 PM
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NOT.......but i ma not sure if in my car the light is in reality on the center instrument.....i mean on the combined instument that can show KM, and oil level...
Thanks
With Key on and engine off the BAS ABS SRS are on but not the others..
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  #5  
Old 08-15-2004, 11:42 PM
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Location: Gainesville FL
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I'd have to look at a wiring diagram, but I would check the fuses and verify alternator function. In older clusters the lights ground through the voltage regulator. Not sure on your car.
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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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  #6  
Old 08-15-2004, 11:54 PM
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Join Date: Oct 2003
Posts: 141
Hi ,
Fuses are all OK and Alternator seem to work well .
Thanks for your help

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