BenzWorld Senior Member
Date registered: Jan 2005
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RE: Location of window motor fuses in W114/115?
Your window has just succombed to the usual Mercedes old age malady..the glass gets sticky in the tracks and the motors are so good they just rip the guts out of the winder mechanism or bend the alloy frame that holds the whole show together..To repair it ,you will have to find another 114 with power windows(Not easy) and remove the window winders to build a new one for yours.108-116 use the same basic components so a little shopping around the wreckers will be called for.
To remove the winder assembly ,undo the window glass from the winder mechanism ,you can do this by removing a clip on the sliding roller ,that slides along the bottom of the glass itself or undo the 10 mm nuts on the metal frame on the bottom of the glass.Push the glass to top of the window frame (closed).
the winder is held by a series of 10 mm nuts to the inner door panel,undo those and drop the winder into the door,trace the wiring along to the a junction.
At this point i will say that there are several different ways of joing the winder to the loom,so you must find the outer most end of the wiring harness to undo it,some are pushed together with bakelite plugs and others had a junction box with 3 screws..all different.Pull it clear of the door and see if the frame is bent 9most likely) or the gear on the motor or the large half moon gear in stripped,(either or both )In all of those cases the parts must be replaced,there being No point trying to straighten the alloy frame because it just crack and break.
Once you have reassembled the door,lube the window tracks with either powdered Graphite,or rubber grease,it is most important that the glass slides as easy as possible in the tracks.
Over time the metal alligator strips in the tracks rust and the size of the slot shrinks grabbing the glass.