my car a 83 300sd is sometimes not turning over on the starter
lately the problem is getting worse happening more often
it willnot ever start in neutral, should it??

anyway where is the switch and how can I disable it
so I donot get stuck with a nonstarting car
is it switch open or closed to allow the starter to work?
cut what wire or twist which wires together??

no I am not going to a dealer/stealer or paying for overpriced parts
if a simple ghetto fix will allow the car to start

mounted to the side of the trans on drivers side, but a simple ghetto fix can get someone killed, they call it a neutral safety switch for a reason.
only $50.00 here http://catalog.worldpac.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=22S1A7A8T22S1A7DXG&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1983&product=J4050-11778&application=000039637

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1967 250 S
1967 280SE
1968 250S
1971 280 SE
1973 220
1974 280 S
1975 450 SEL
1976 220 D
1979 300SD
1983 300 SD
1985 230 TE euro
1986 280SL
1986 500 SEL euro
1986 190E 2.3
1990 300 SE
2003 C230 K
2004 C230 K
1987 560SEL
1987 300SDL now in canada
2005 C230
1998 C43 AMG Sold to DON
1993 190E 2.6
300TD Former daily driver Totaled
current:
R320 CDI
Ram 2500 Cummins

IS THE ONE SWITCH SUPOSED TO WORK IN PARK AND NEUTRAL??

my car has never started in neutral
and park is getting iffie sometimes fine
sometimes require a few shift in and out of park to work
I have bypassed other cars switches to start in gear
and no box of kittens died or nuns got hurt

Bypassed mine 2 years ago, no kittens squashed yet!! Actually it's easy to bypass, there's a connector on the side of the tunnel on the driver's side where the wires can be connected together. Don't be surprised if you end up putting a starter in it, the windings can go bad-you'll have to smack it with a tire iron or a hammer to get it started!

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1982 300DT 190K (Diesel Purge + synthetic oil=smoothness at last!!!)
2004 Ford E-350 6.0 L PSD 227K
2006 Dodge Ram 3500 SRW HO Cummins 4X4 48RE 42K (brute force tow vehicle)
2005 Scion xB wife's rolling pop can
1993 GMC Sierra C3500 6.2 142K

It may also be that your shifter bushings are worn and the shift linkage is not always engaging the switch. I hear the shift bushing are no fun to switch but at least they are cheap. Less than $12 for all 6.

My bushings are worn and until I realized it I could never get it to start in park then I figured out how to jiggle the shifter just so and it starts most times. It always starts in neutral. My wife has the same car as me except with only 200K and it shifts so much tighter because the bushing are not worn out. Time for me to do mine.

__________________
Doug

1987 300TD x 3
2005 E320CDI