I suspect the OVP relay becaause if it is shot then the car will not run properly and other electrical gizmoes like the locking system may also fail. On my car the OVP is located behind the battery. Remove the plastic wall behind the battery and you will see a little aluminum tower with a clear plastic top. It will have one or two fuses under the plastic cap. The fuses may not be blown but the relay can still be bad. Given the milage of your car... its time for the relay to go Kaput.

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Earl



1993 190E 2.3
2000 Toyota 4x4 Tundra

I just ran across this thread. I hope you have already fixed the issue.

I had this exact same problem with my wifes 96 E300D. It also would just die when driving down the street. It might take 3-4 attempts before it would start again.

It was a fuel relay, actually, 6 relays. They all come together as a board in the computer. I unfortunately do not have the part number for you, I can't find the original receipt. If I remember it was something $600-$700.

If you haven't fixed it, I hope this helps.

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"If ignorance is bliss, then why don't more people look happy?"

1996 Mercedes E300 Diesel (wife's ride)
1998 Dodge Ram 2500 Cummins Diesel (retired by head on)
2010 Dodge Ram 2500 Cummins Diesel (my ride)
72 Chevy Nova (my first car - had it 29 years)
2006 Yamaha 1700 Midnight Star (wife's bike)
01 Yamaha 1600 Midnight Star (my above 45 degrees ride)

sounds like possible voltage control module. it is like an ovp but in module form. it's usually located in the module box or in/near fuse panel

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'81 240D -sold
'89 300E -sold
'79 300SD -no oil I-10
'86 300SDL-totalled
'91 300SE -sold
'79 300SD-
'97 E300D
'95 YOTA4WD

You're talking about the K40 relay module. It's in the module box, which is on the right side of the car, and not near the fusebox.

I believe Slim is talking about the N10-1 module, in the same box.

K40, K40, K40...

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Marty D.

2013 C300 4Matic
1984 BMW 733i
2013 Lincoln MKz

I agree. This part should probably be changed as a prophalyctic every ten years, judging by the posts you find if you do a search.

Or (hopefully) opened up and resoldered. There are times when your engine quitting simply won't do at all.