C280 Mercedes check engine light

I have a 1996 Mercedes C280, What is the safest way to turn the check engine light off?

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Fix the cause of the malfunction.
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Very good answer, but that is not what I asked, I want to make sure my car has a problem before I take it to the shop, I was told the check engine light comes on by not closing the gas tank cap properly, the light came on after I first filled it up, I was also told you can turn off the check engine light on by disconnecting the battery, but that might cause other problems, any other suggestion? I promise I will fix the problem if there is one. :)
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I think maybe if the problem is solved the light will go off on it's own after some number of starts?
Don't really know for sure though, Sorry, Marty
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There may really not be a problem other than the fact that you did not tighten the fuel tank lid at the last fillup. I've ahd this situation occur with my MB and other cars. I suggest you take it to your repair shop, let them do a computer scan to verify there is nothing wrong, and then reset the light. Now, you know to tighten the fuel cap...:-) btw, my repair shop has never charged me for this service. It's very simple, and if you are a regular customer, perhaps yours will not charge. good luck.
Sherm 1998 C230 MB 95000 miles
said:

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I think that on this car there is an LED on the OBDI interface (near the battery compartment). There is a button you can depress for 2-3 seconds to get each flash code. If you hold it down for more than six seconds it should clear the fault codes.
Josh
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Josh wrote:

The '96 is an ODBII interface which is located above the driver's right knee under the dash. There is no LED or button.
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Some auto supply chains will read the code for you at no charge. The code may tell you generically what the problem is - and isn't. That's more information than you have now.
The code can be erased but then a repair shop has NO information until the "check engine" light reappears.
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Sledgehammer and safety glasses!! Or a LARGE bank balance before you go to the dealer's.
Davehd

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