Yesterday, the door of my 1993 500SEL started making a very loud "clicking" sound at varying degrees in the door's range of motion. The flat metal piece that hinges from the chassis to inside the door was the problem and I noticed that it had somehow lost its attachement point inside the door. Earlier tonight, the clicking stopped, but now my window won't go down more than 40% of the way before slowing down and stopping. Also, the door does not "lock" into an open position, it will start to swing close if I don't hold it open when I exit/enter the car. I've taken the door panels off of my 124 a few times for speaker installs, is this problem something I can likely fix myself or do I have to go spend money? If anything, I'd like to take off the inner door panels and have a look..I did notice two bolts above and below the hole that the metal piece enters into in the door. Any help would be greatly appreciated.

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Chris Singh
1983 300D
1990 300E Black Pearl Monotone w/ chrome AMG monoblock II 17", custom multimedia system

1993 500SEL brilliant silver w/ AMG monoblock II 19"

http://benz.mp3car.com
http://stormworks.max3d.com

Hi Chris,
I think the metal piece you are referring to is the door check strap. I think these are common and relatively inexpensive wear items, and are replaced all the time (any dealer will have them in stock). I imagine it's not too difficult to change, but I haven't done one myself.

The door check strap problem has evolved. The clicking sound stopped, and now the window won't go down past a little short of halfway...it slows down, then stopped. I'm assuming that whatever was loose has jammed itself in the window mechanism. Is there anything I should know about removing the innter panels to take a look at the problem? I've taken apart the door panels on my 124 300E before, I'm assuming it's not much different. As the weather gets warmer, this is a problem I'd like to correct, especially if I can do it myself.

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Chris Singh
1983 300D
1990 300E Black Pearl Monotone w/ chrome AMG monoblock II 17", custom multimedia system

1993 500SEL brilliant silver w/ AMG monoblock II 19"

http://benz.mp3car.com
http://stormworks.max3d.com

its called the door stopper and it can be repaired if you like but the original or oem part is not expensive, have it changed right away before you destroy more internal parts of the door including protrusion of the bar towards the metal sheet of the door.

A good DIY on it is here;

http://www.baxnet.com/merc/doorchecks/story.htm

br,
syljua

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1998 CL500 W140
1984 230E W123

http://www.peachparts.com/Wikka/W140DoorCheck