Since its founding in late 2008, 500Eboard has become the leading resource on the Internet for all things related to the Mercedes-Benz 500E and E500. In recent years, we have also expanded to include the 400E and E420 models, which are directly related to the 500E/E500.
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Have not traced wires yet, but trying to identify the removed switch. Looks like it was tapped for power to work possibly later added switch. If anyone has thoughts.
Only now posting picture realized there is a part number that shows as several options.
Circulating air switch. 7-pole. Skid threshold switch. Activated charcoal filter switch. Out of those guessing air recirc?
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