190D won't stop

Hi there, my 190D 1992 won't stop running. i have been looking myself but i can't find any wires on the fuelpump. Does anyone know how the fuelpump gets cut out of fuel?
I can stop it by hand but my wife hates it to open the hood anytime she wants to stop.
thanks
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There should be a level at the engine label "STOP"... pull until engine shuts off... unless you have one that has a turn knob on top of fuel filter in front of engine... turn it in until engine stops... and turn it back out so you can start later.
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There's no wire to yank that will stop the engine. The engine is normally shut down by a vacuum powered device on or inside the injector pump.
Either the shut down device has worn out or there's insufficient vacuum supply to the device due to a vacuum leak elsewhere - like a door lock.
One needs a vacuum pump / tester to find leaks and to test the shut down device.
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