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Car Forum / Mercedes-Benz Cars / May 2008300D Electrical Sliding Roof
My sliding roof would not open with the electrical switch and I suspected my roof rails needed lubrication, so I opened the roof manually, applied approved Mercedes-Benz lubricant, then closed the roof with the electrical switch. It operated normally. However, the roof will not open electrically. It will close fine, but not open. Any information about why the roof moves one way but not the other will be appreciated. > My sliding roof would not open with the electrical switch and I > suspected my roof rails needed lubrication, so I opened the roof [quoted text clipped - 4 lines] > Any information about why the roof moves one way but not the other > will be appreciated. Press the up button for lifting and hold it for a moment pressing. Then complete a full cycle down - open - close by pressing up. Then the computer should have learned the sensor positions. (eg 1998 C/E-Class). Description of sunroof reset procedure for your car should be in the handbook.  SignatureRoland Franzius > randallbr...@mac.com wrote: > > My slidingroofwould not open with the electrical switch and I [quoted text clipped - 15 lines] > > Roland Franzius I'll try that. Thanks! I would say you need to take the switch apart and clean all the conacts. If not, buy new switch. I just did all my car windows... geez... they will open the windows kinda slowly, but the three windows will not go up without fiddling... So I took it all apart, rub the contacts clean and put it back together... Now, all windows opens fast and close fast with absolute authority.. > I would say you need to take the switch apart and clean all the conacts. If > not, buy new switch. [quoted text clipped - 4 lines] > > Now, all windows opens fast and close fast with absolute authority.. I'll do that, as nothing else has worked, and it does act like that one side of the switch is the culprit. Thanks. >> I would say you need to take the switch apart and clean all the conacts. If >> not, buy new switch. [quoted text clipped - 9 lines] > > Thanks. Don't know about this particular switch, but having taken many of them apart to clean, be careful, be very careful. Most of them have fiddly little springs and contacts under tension. Without the spring or a wrong bend in the lever, you just have a piece of junk. Cleaning contacts can be done and it is usually the oxide on the surface that is the problem. A simple spray with Contact Cleaner (see Radio Shack) or a little LIGHT filing is all that is needed. If that doesn't do it, I suggest a new switch. Chip > randallbr...@mac.com wrote: > >> I would say you need to take the switch apart and clean all the conacts. If [quoted text clipped - 21 lines] > > Chip This is exactly why I was reluctant to go into the switch panel and was hoping (as always) for a simple, miracle cure. My recollection of the labyrinth behind the burlwood in this case is that I might be able to clean the switch contacts without having to dismantle the switches. Thanks, again! It is not hard at all. geez. > It is not hard at all. geez. Never said it was hard, just be careful. Tiny components have a tendency to get lost or broken, at least in my hands. Chip > > It is not hard at all. geez. > > Never said it was hard, just be careful. Tiny components have a > tendency to get lost or broken, at least in my hands. > > Chip Me, too. On May 6, 5:38 pm, "randallbr...@mac.com" <randallbr...@gmail.com> wrote: > > > It is not hard at all. geez. > [quoted text clipped - 4 lines] > > Me, too. I second these opinions. Its really easy to take them apart. Use a towel (white preferably for contrast) and make sure that when you open the switch, that its pointed at the towel to catch any flying springs, or steel balls. I clean mine with a red pencil eraser. This gets just enough corrosion off of them with out taking any metal with it, or changing the shape of the metal (as a file might do). You may also get better results if you flip one of the metal contacts 180 degrees. If this doesn't make sense when you get it open, I'll post some pictures explaining it. I did this for one of my windows switches that was acting up, and it seemed to help. > On May 6, 5:38 pm, "randallbr...@mac.com" <randallbr...@gmail.com> > wrote: [quoted text clipped - 18 lines] > post some pictures explaining it. I did this for one of my windows > switches that was acting up, and it seemed to help. Will do. I hate switches, but will tackle this and clean everything up. Thanks again.
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