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The Check Engine light has illuminated on my R129 1996 Mercedes Benz SL320.

I am seeking possible causes for the illumination of the Check Engine light as well as the procedure to access the DME self diagnostic flash codes for Mercedes Benz motorcars. Any assistance to locate the source for the check engine light is appreciated.
 

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check engine light

rcbmw

you can make a led tester for you car... I have a 94 S600 coupe and it has a built in push button led tester. I have made a tester for my SL500 with parts from radio shack for about $15. It is called the Home Brew DTC Tool and you can get the schematic from this website http://pages.prodigy.net/jforgione/MB_X11.html. The only problem I have with the SL is finding out what each code means. You might look on http://www.mercedesshop.com/. There is lots of good information on that website also.

600 sleeper
 

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OBD II

Note that in 1996 and forward the OBD II system is in place and I beleive the flash code feature is no longer there. I have a 97 320 and an OBD II scanner on my Palm from Auterra.
 
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