E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

'87 300E neutral start switch?

Old Jul 24, 2003 | 12:54 PM
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1987 300E
'87 300E neutral start switch?

My '87 300E had developed a starting problem. At first it became hit or miss in Park and became worse. Now it will not start in park, only in Neutral.

My take is that it is related to the neutral start switch. Where are the electricals located in relation to this?

TIA, Joe
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Old Aug 1, 2003 | 02:13 AM
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From: BGH
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My 300 E has the same problem. However, i have coem to realize that when the car is still cold it will not start in park. However, if i allow the car a warm up a bit (maybe drive it arounda coupel bloakcs for example) then the car turns on no prob.
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Old Aug 1, 2003 | 08:45 AM
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On another forum, someone suggested checking the bushings on the shift linkage rod. Huh, there were none! No evidence whatsoever, but so much play at each end of the rod it makes me wonder how it shifted at all.

Soon to be replaced....
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Old Aug 1, 2003 | 04:00 PM
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From: BGH
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the dealership i bought my car from told me that it was the safety park swith that had gone bad.. well half bad
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Old Aug 6, 2003 | 02:03 PM
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Re: '87 300E neutral start switch?

Originally posted by JoeR
On another forum, someone suggested checking the bushings on the shift linkage rod. Huh, there were none! No evidence whatsoever, but so much play at each end of the rod it makes me wonder how it shifted at all.

Soon to be replaced....
You may want to start with the bushings and see if that fixes your problem . . . but, if that does not fix it:

This is a fairly simple switch to replace and is located on the left side of the transmission. It has a black cable attached with a round plug on the end of it. There is a white (if yours is clean) locking ring which needs to be rotated about 1/4 turn to release the plug. This ring is part of the switch, so you can look at the new switch to figure out which way to rotate it. Once the plug is off you need to remove the shifter rod lever (tranny end) and two screws holding the switch to the tranny. Installation is just the reverse.

-D
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