For more than a year I'm "sucking out" my 1980 w116 300 SD Turbodiesel since the ignition lock wouldn't shut off the engine (vaccuum lines disconnected)

Today I wanted to fix the ignition lock. I got the vaccuum switch. I dissambled everything in order to find out that the ignition lock assembly seems to be different than expected: there is no possibility to add the vaccuum switch.

My question is: where is the vaccuum switch supposed to be

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'80 300 SD, 300k

I don't have a 116 ignition look handy, but here is a pic of a 126 and a 123 look.



Maybe your look is from a 116 gaser.

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76 240 D. Bought in 1998 for $25.
85 300D. Got it for free with a bad engine. ( Sold )
60 Unimog 404. What was left of it, was given to me. Now powerd by 617A.
88 560 SEL. Bought without engine and trans. Now powerd by 617A.
67 250 SE. Cuope. For resto or sale.
64 220SE. For resto.