C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Check Engine Light..........

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Old Dec 25, 2007 | 03:33 AM
  #1  
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One with 4 wheels
Check Engine Light..........

.........decided to come on for the first time tonight. Merry Christmas to me, eh.

Anyone have any ideas? I haven't changed my air-filters in my car since I bought it new (Sept 2005), and the car is currently at 27k miles. Would a dirty air filter throw the light on?

The engine idles quietly, and runs fine. I did notice that the engine SLIGHTLY runs a bit harder than usual during acceleration.

Thanks!

Last edited by TA-9FF; Dec 25, 2007 at 03:36 AM.
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Old Dec 25, 2007 | 12:00 PM
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Worthless guesses without the error code. Hook up to an OBD II scanner and get the error code. Clear it/them and see if it/they return. Then come back with the error code. All the CEL does is tell you 'something' is wrong.
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Old Dec 25, 2007 | 04:18 PM
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Hmm.....roger that. I guess since my car is still under warranty, I'll just take it to the dealer.

What a hassle, though.
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Old Dec 26, 2007 | 12:10 AM
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The car didn't know it was Christmas, it was born in Germany where they celebrate the holiday on Dec 6th. It's probably something minor like the vacuum line that rots on these motors. It's under warranty, enjoy the loaner.
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Old Dec 26, 2007 | 02:43 AM
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2005 C230 Kompressor Sport Sedan
Techron

My guess is you've got carbon build up, but it could be a number of things including a loose gas cap. I've had this annually, but I have been using Chevron with Techron since I had it fixed last time. I realize you have the V6 and I have the M271 I-4, but in the owner's manual it states to use gas with some kind of cleaning agent like Techron or at least treat the engine regularly with a similar product and it even provides a part number. I am curious to see if my car makes it through the winter with this crap gas they use this time of year. Good luck and please post what the cause of the CE light was.
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Old Dec 26, 2007 | 10:17 PM
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Originally Posted by SteveAustin
My guess is you've got carbon build up, but it could be a number of things including a loose gas cap. I've had this annually, but I have been using Chevron with Techron since I had it fixed last time. I realize you have the V6 and I have the M271 I-4, but in the owner's manual it states to use gas with some kind of cleaning agent like Techron or at least treat the engine regularly with a similar product and it even provides a part number. I am curious to see if my car makes it through the winter with this crap gas they use this time of year. Good luck and please post what the cause of the CE light was.
Appt is set for next Monday. I'll keep you guys posted.
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Old Dec 27, 2007 | 10:13 AM
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it means that its time to swap the engine engine to a 55k. jk i'd bring the car back to the dealer you have such low miles, esp if you have warranty
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Old Jan 4, 2008 | 07:29 PM
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SIT REP:

Turns out I needed a software upgrade, so they went ahead and did it.

My car's back to her normal non-check-engine self.
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Old Jan 9, 2008 | 09:48 AM
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Software Upgrade? To XP or vista? Just kidding. Is this a general requirement - to need software upgrade? Can any dealer do this? Where do the get the new software from - factory, I suppose huh
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Old Jan 9, 2008 | 10:18 PM
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XP/Vista, that's so un-cool, Leopard is the "in" operating system to load on you MB.
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Old Jan 10, 2008 | 02:46 AM
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Originally Posted by Buellwinkle
XP/Vista, that's so un-cool, Leopard is the "in" operating system to load on you MB.
linux
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Old Jan 10, 2008 | 12:17 PM
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'05 c230 Kompressor Sport Sedan
so what was the code?
What was the software?
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Old Jan 10, 2008 | 11:55 PM
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Originally Posted by Mu9enx
linux
Haha, I spend my entire days lately dinking with linux, I need a break from that stuff. Unfortunately my boss thinks that break means I can now work with Solaris. Nothing gets more confusing than working half the day on linux and half on Solaris.

Speaking of Windows, have you seen Bill's last day video from CES, it's hilarious - http://www.tweakvista.com/Article39218.aspx
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Old Jan 11, 2008 | 10:28 AM
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hmm...

Originally Posted by Mu9enx
linux
Mac OS X

...I wonder how much "faster" our car's would be....
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