I'm currently retrofitting keyless entry with trunk release to my w126, I got a w140 switch, and need to know what pins go where on the button I got 5 pins. A diagram would be helpful if anyone got it

Part number is: 140 821 44 51
I believe one of the pins are for trunk release on the remote key.
But I'm not sure.

I would recommend getting the w140 workshop manual - it'll have all the diagrams and specs that you'll ever need for repairs. Maybe try googling it to see if there is an online version of it. Best of luck!


-Dmitry

Alldatadiy.com had an online manual with wiring diagrams for my '95 S420.

Sixto
83 300SD
98 E320 wagon