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  #1  
Old 11-25-2005, 11:34 AM
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Join Date: May 2001
Posts: 128
C230 power seats/windows don't work sometimes

I have a 1998 C230 with about 80k miles on it. Sometimes the power seats and windows will not work. Sometimes I get in the car and start it and they won't work until maybe a minute or two. What could be causing this. It sounds like a circuit breaker tripping and then resetting itself. This happens in an old Audi I have. Is this indicative of a problem that can be rectified some how?

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John


1998 C230 for the wife
1986 Porsche 944 Turbo for me in the summer
1993 Audi 90 for me in the winter
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  #2  
Old 11-25-2005, 12:01 PM
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Join Date: Jul 2004
Location: NC
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My windows do it, and I posted before. No answer. Would love to know.
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former: 83 300D, 97 C230, 93 400E

current: 08 C300 Luxury , 92 500SL
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  #3  
Old 11-25-2005, 03:15 PM
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Join Date: Sep 2004
Location: Seattle
Posts: 1,939
As for the seats, there is a relay fix that has been posted. Do a search. Let me know if you can't find it.

As for the windows, there is a known problem with them stopping halfway and mine have done this a couple of times on the passenger side. I have never heard of seats and windows both being inoperative at the same time though. Sorry not much help.

Mike
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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  #4  
Old 11-27-2005, 04:43 PM
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Join Date: May 2001
Posts: 128
I searched for seat and relay and got six pages with no fix. I appreciate it if you could provide the link to the thread that has the fix.
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John


1998 C230 for the wife
1986 Porsche 944 Turbo for me in the summer
1993 Audi 90 for me in the winter
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  #5  
Old 11-27-2005, 10:31 PM
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Join Date: Sep 2004
Location: Seattle
Posts: 1,939
Basic search on this site uses an "and" function, which means that if you put more than one word it looks for hits with all the words. So I searched for "C230 seat relay" and came up with this thread: '98 C280 Power seat problems

I thought there was another thread I posted about it but I can't find it. Long story short you remove the carpet piece from the trunk and there is a relay up toward the rear passenger seat. Just this one relay sitting there. That is the one. You need to either replace it or pry the cover off of it and resolder the pins on the circuit board. If you look at the solder joints with a magnifier you will see circular cracks since it is a single sided board and that is what tends to happen with those. These are the kind of boards you find in throw-away consumer electronincs, and Mercedes.

Mike

__________________
1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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