W114 Starter Inhibitor Switch - Mercedes-Benz Forum

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post #1 of 4 (permalink) Old 08-15-2008, 02:49 AM Thread Starter
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Post W114 Starter Inhibitor Switch

Hello there,

I have a 1972 250 (W114) and appear to be having problems with the Stater Inhibitor Switch. If possible, would you be so kind as to assist me in with the following;

1) Can I remove and the Starter Inhibitor Switch from the transmission without having to remove the whole transmission form the car?

2) Is it possible to repair the Starter Inhibitor Switch? if so, how would I do this?

I am confident that my diagnosis for the fault is correct, in that the Merc won't start as the Switch will not engage when in P or N. When I wiggle the switch (whilst underneath the car) into various positions, I manage to get the inhibitor switch to engage correctly, thus am then able to start the car.

Your help would be kindly appreciated

Thank you

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post #2 of 4 (permalink) Old 08-15-2008, 08:33 AM
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you can remove the inhibitor ["neutral safety" on this side of the pond] switch. The clearance is tight but it can be done.

No, repairing the switch is not really an option as the contacts/traces inside the switch are eroded over time.

Get a new part, install it correctly and you should be good to go...

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post #3 of 4 (permalink) Old 08-16-2009, 06:49 PM
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neutral safety switch 250 Sedan

Can anyone who has replaced the neutral safety switch (1972 250 W114 auto with shifter on floor console) give a detailed instruction as how to replace it? How do you get at it? Please help me out with this, if you've done it before please give detailed instructions as to get at it, remove it, replace it. Thanks to all

Last edited by miatasportscar; 08-16-2009 at 06:52 PM.
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post #4 of 4 (permalink) Old 10-08-2009, 05:34 PM
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I am having the same problem on the 72 w108 I just bought. Stopped for gas on the way home and no start. Previous owner said the switch was problematic. Can the switch be shorted out as a temporary fix to get home?
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