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Bad Window Regulator or Switch on a 98 E300D
I've done several searches ie. Bad window switch, bad window regulator etc..and I've seen plenty of repair instructions and noted that early w210s had rear regulator issues but nothing on how to determine whether the switch is bad or the regulator...
The drivers window on my 98 E300D is the one that is now non-functioning and I would rather not butt heads (if possible) with Mr. Murphy and his laws by blindly swapping out parts... Thanks in advance for any wisdom sent my way...
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Joe 1998 E300D turbo 240K + Miles 2000 Dodge Dakota 122K + Miles 1992 Mazda Miata Autocross Machine 143K + Miles http://www.renegademiata.net Any man who is under 30, and is not a liberal, has no heart; and any man who is over 30, and is not a conservative, has no brains. - Winston Churchill |
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz |
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Thanks...
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Joe 1998 E300D turbo 240K + Miles 2000 Dodge Dakota 122K + Miles 1992 Mazda Miata Autocross Machine 143K + Miles http://www.renegademiata.net Any man who is under 30, and is not a liberal, has no heart; and any man who is over 30, and is not a conservative, has no brains. - Winston Churchill |
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I don't remember, sorry. Best to just pop it out and see if you can swap them. You could also probably figure out how to test the switch once it is out if swapping wasn't an option. If you have an ohm meter you can check to see if the switch closes once you figure out which contacts are supposed to close when you push "open" and "close". Good luck.
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz |
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Are the new models not like the older ones? On the older models you can pop the switch apart and clean the inside.
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http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42 |
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Now it is coming back to me...the window and mirror switches are one master assembly and I don't think you can easily swap to test. In fact they are part of the electronic control bus I think so it is not like they send a simple "open closed" signal for each window individually (I don't think) and the switch assembly is a costly bugger...like $300. Maybe you can find someone close by with a W210 who you can swap the assembly with to test it?
I was thinking of the older style where there were actually separate switches for drivers and passengers sides which were interchangeable but these are not.
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz Last edited by nhdoc; 06-06-2008 at 02:40 PM. |
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Isnt there a harness connection through the door post and entering the door that causes problems sometimes?
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.) |
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I've not yet had to remove the door skin on my '96 but if it isn't too difficult, one could go directly to the window motor and test it with an ohmmeter or by applying 12 Volts across its terminals. If the motor works then the problem is elsewhere.
Most of the power window problems I've repaired or read about have involved fuses, switches, broken inter-door wires, or mechanical damage of the regulator itself. Failure of the electric window motor seems to be relatively rare. The inter-door wiring problem occurred in the early W124 series, notably the '87 300D-T. I believe that this problem was fixed by the time they started making W210 cars. Do the '98-'99 W210 cars have a more sophisticated electronic window system than the earlier '96-'97 cars? I'd sure be happy to know that my '96 was simpler and easier to repair, if and when. Jeremy
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"Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970 Last edited by Jeremy5848; 06-06-2008 at 03:41 PM. Reason: Add another comment |
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Joe 1998 E300D turbo 240K + Miles 2000 Dodge Dakota 122K + Miles 1992 Mazda Miata Autocross Machine 143K + Miles http://www.renegademiata.net Any man who is under 30, and is not a liberal, has no heart; and any man who is over 30, and is not a conservative, has no brains. - Winston Churchill |
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Electrical Gremlins....
Latest update...
The Drivers window miraculously started working again about 36 hours after it stopped working and hasn't given me a problem since... Figured I would wait and watch it to see what would happen next... So the next day the front passenger window stops working... Eh, I don't use it much, wait and see what happens next... So here we are about 10 days later and drivers window works fine, both rear windows work fine, front passenger window still wont open and all of a sudden the sun roof wont open after working fine hours earlier on the way to work... Now I figure there is a really good chance that the control module in the center console is my problem part for the windows but what could have caused the same issue with the sun roof??... I've got a morning shift coming up so we'll see if it starts working again in the morning.... The ghosts of British Leyland electrical parts are coming back to haunt me...
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Joe 1998 E300D turbo 240K + Miles 2000 Dodge Dakota 122K + Miles 1992 Mazda Miata Autocross Machine 143K + Miles http://www.renegademiata.net Any man who is under 30, and is not a liberal, has no heart; and any man who is over 30, and is not a conservative, has no brains. - Winston Churchill |
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As an experiment I would try to disconnect the battery on the car and let all of the window memories clear. Not sure how long it takes but I'd try it for at least 30 minutes. Be sure you have the radio's security code before doing this or you will need to get it before being able to listen to it again.
Sometimes the control module gets a gremlin and clearing the memory and re-syncing the windows and roof will clear it. Sometimes it does not work but it costs nothing but some time so it is the kind of repair I like to try. Good luck and if you try it let us know if it works.
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz |
#12
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The 1998 & later cars have an interior network of computers. AT least 1 of those computers is most likely causing another 1 not to function.
Disconnecting the battery(on a daily basis) on that system isn't a good idea. The best way to find that type of problem is thru voltage checks on the computers at the network connector.
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
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Where is R2-D2 when you need him....
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Seems that the remote locking system only works thru the drivers door now... Passenger door Infrared and the Radio remote feature doesn't work with either remote but stand in front of the drivers door and everything works except the front passenger window and sun roof.... No radio code, probably the only thing the PO didn't have for me... I'll have to check with the Dealer... On a good note I just filled up and got 32.8 MPG on mixed city and highway driving...
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Joe 1998 E300D turbo 240K + Miles 2000 Dodge Dakota 122K + Miles 1992 Mazda Miata Autocross Machine 143K + Miles http://www.renegademiata.net Any man who is under 30, and is not a liberal, has no heart; and any man who is over 30, and is not a conservative, has no brains. - Winston Churchill |
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Every item inside the car is computer controlled off of the interior network.
Items include all 4 doors, both front seats, sunroof, central locking, wipers, alarm, and most switch functions. MOST common problem is one of the REAR door control modules. Again voltage tests at the network connector will reveal the problem.
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
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Joe 1998 E300D turbo 240K + Miles 2000 Dodge Dakota 122K + Miles 1992 Mazda Miata Autocross Machine 143K + Miles http://www.renegademiata.net Any man who is under 30, and is not a liberal, has no heart; and any man who is over 30, and is not a conservative, has no brains. - Winston Churchill |
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