Repair Mercedes Summer Opening/Convenience Feature

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DIY fix 2004 Mercedes C230 summer convenience to open all windows at once by holding the unlock button on your key.

Mine worked intermittently when first purchased in 2004. Past few years it worked maybe 2 times.

Typical cause: door handle IR (infrared) sensor has poor soldering joints

Tools needed:
T20 Torx screwdriver
25-30 watt soldering iron (Radio Shack $10)
Electrical solder (Home Depot $5)
Heat gun (Home Depot $20-40)
X-Acto hobby knife (Staples $5)
Zip-ties
Dremel with saw attachment
Flat head screwdriver
Acrylic Conformal Coating (Mg Chemicals, Amazon $10)

Видео Repair Mercedes Summer Opening/Convenience Feature канала mugs132