My Mecanic says wiring harness are bad in these cars. Is there a problem with the check engine light in these cars. The wiper has been acting up. it sticks as it it goes up in the center. Is there some sort of lubrication I can perform.

Yes. Turn the wiperswitch on and off again quickly ( to move the wiper out of the parked position).
Now, move the arm manually to the straight up & down position.
Pull out the bottom of the cover, at the base of the wiperarm.
Now, you can see the " piston " that makes your wiper do it's " little dance ".
Drop a few drops of light oil ( transmission fluid ) down onto the shaft & work the wiper back & forth by hand.
Re-install the rectangular cover.
That should do it.

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2007 C 230 Sport.

on all three of your questions can be found some excellent post through the SEARCH function. not being a dork - but it really is kind of awesome what kind be gotten from this forum.

1) I am not sure what the model year cut-off date is for the end of wiring harness problems, your car could be O.K.

2) for the C.E. light go to an AUTZONE if they are available where you are and have then pull the codes, come back here with the numbers and find out what they indicate.

3) thw wiper info is right on, a little searching will find a URL with Baylor in the title that has pics (I think) on doing the wipers.

http://business.baylor.edu/Richard_Easley//autofaqs/wiper.htm

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John Shellenberg
1998 C230 "Black Betty" 240K

http://img31.exs.cx/img31/4050/tophat6.gif

Thanks every body for your help. Im a die hard MB nut. I have owned a 86 560sec,95 e420, and a 69 280sl . I loved them all. All 3 were totaled the coupe however was put back together at the request of the ins. co.. The e420 was as fast as a e500 becaused I raced one for miles down the Blvd. Im so glad I found this site. I ve always done work on cars and this will help me contiue

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95 c280 83,000
95 Volvo 960 wagon 151.000
94 BMW 328conv. 130,000