Thank you for the link.
It can't be any harder than fixing the wires for a power windows, in the door posts on my 84. I just had the passenger mirror off on my 91 190e. I removed the shell so I could repaint it. By the way the first time this happened my son was playing with the mirror, folding it in and out.

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2009 CLS550 55,000
2004 ML350 144,000
2004 X5 95,000
2002 X5 165,000
1996 320S 155,000 (sold)
1991 190E 192,000 (sold)
1989 300SE 160,00 (sold)
1984 300D 210,000 owned since 85, (sold)
1984 300SD 160,000 (sold)