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2003 C320 coupe, 2000 ML320
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444 Posts
Discussion Starter #1
W163 push button start


So, I was telling the wife about all the guys breaking their keys off in the ign.. And she said she is scared to death that when she had to crank the car, she was going to break the key off.. So I'm installing "push button" start.. That's the easy part.. Gray (15R) to White (50), car cranks.. but the back-lite in the button, is giving me a problem.. I want it to go out after the car starts.. I've got a little circuit put together that does it, but not exactly the way I want to do it.. Here's my question: DOES ANYBODY KNOW WHERE "P" (orange, ign. switch) GOES.. I've looked on every schematic on file.. I can't find any drawing with a reference to "P"..
 

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Premium Member
2002 ML320, 2003 A160, 2002 ML500, 2018 GLS350d
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4,172 Posts
Bobby, if you power the button backlight from the ESP warning triangle circuit, it will go out after engine start. Run wires from the back of the IC.
 

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2003 C320 coupe, 2000 ML320
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444 Posts
Discussion Starter #4 (Edited)
Sounds good Dx...Thanks, I'll give it a look..
PS.. Since I installed the PB.. The wife ran out to car, jumped in and took off to the store...
 
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