unidentified part up under pedals

Hello,
Found a relay/solenoid up under the pedal assembly of my 1976 300d with automatic transmission. Not sure what it is or does. It has a somewhat "S" shaped stamped sheet metal switch attached to it. Was
just hanging above the brake pedal and steering column by a wiring harness. Would appreciate to identify where it goes and what it does. Can send foto if needed. Thanks!
Biodiesel Bob
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Get the part number off it and punch it into an online part store to get the name of that device.
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Good idea, but no numbers on this, the only marking is part of the bakelite casing and it is an 'M' and a 'K' joined together side by side. Very small paper tag is mostly unreadable (looks like date, maybe), but does start with ' 2 - ' . It has 6 contact pins and one bakelit alignment pin (removed it from wiring harness).
All assists would be appreciated. Thanks!
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This looks like after-market part. Almost all MB parts that are big enough would have the parts number, like 123-450-xxxx. And MB does not allow any relay hanging there.
Can this be related to alarm, remote starter, or radio/amplifier?
biodieselbob wrote:

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looks like a MB part and has MB wire harness still connected to it. It for shur is a switch of some kind. Stamped sheet metal part on top does move the internals when pressed upon. Have tried actuating it when car is parked and running, but does not seem to control anything. Cannot actuate it when driving for very obvious reasons of safety. Since I am at least 4th owner (or more), most likely it has been moved from where it should be. These did not have alarms or remote starters and doubt very much if it is connected in any way to radio (which is still original Becker that works). There are 2 hollow rivets that hold the device together and act like they could be pushed out of the bakelite casing very easily as only one end of the rivets are peened over. The unknown switch is about as big as a third of a pack of cigarettes (cutting across the pack). Oh well, maybe one day . . .
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