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  #1  
Old 04-01-2003, 06:06 PM
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Join Date: Apr 2003
Location: wisconsin
Posts: 9
84' 190E 2.3 quits need help.

just bought a 1984 190e 8valve. it has a little gremlin in it and i am locking for some help. it starts fine idles fine then it will quit . it will start right back up. some times it will stay running just fine or it just quits again. seems to quit easyer when its cold. it has tryed to quit while driving but it kicks back in and go's i was told to check the ignition module on the drivers side fender well to see if it looks like it got hot.it looks a little corroded not like it got hot. who sells a good manual for troubleshooting this? any recomendations ? ? thanks
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  #2  
Old 04-01-2003, 06:45 PM
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Join Date: Sep 2002
Location: So. Calif.
Posts: 323
Smells like a Fuel Pump Relay . . .
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  #3  
Old 04-01-2003, 10:34 PM
azhari
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Fuel Pump Relay

A faulty fuel pump relay would make your car die as you have described.

Easy fix. On my car it's located next to the Overvoltage Protection Relay (it's a silver relay with a black or red top next to the control unit behind the battery - get it? ).

It's a black rectangular relay that has the word "kickdown" printed on the label on top of it.

Good luck.

Azhari
Babybenz 1991 190e 1.8
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  #4  
Old 04-02-2003, 03:31 AM
sunil190e-1.8's Avatar
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Join Date: Jun 2002
Location: uk
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azhari,

always wanted to know yhe location of the ovp and fuel pump relays-as you say in your post-behind the battery-are they behind a black plastc cover?

thanks

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Old 04-02-2003, 03:56 AM
azhari
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Right.

Behind the battery, there is a plastic cover which you need to remove.

From the photo, you can see the OVP is the relay with the red top (and 2 fuses located at the top of it under a flip cover).

Your OVP may also be with a black top (with only 1 fuse on top) if it is the older model. The red one is an updated version.

To the left of the OVP, you will find 2 black relays. The one closer to you is the Fuel Pump Relay.

In my photo, it is the one located behind the wire loom with the words in white still clear (coz I just swapped it a couple of months ago).

It's definitely the same in your car coz mine is also a 1.8 RHD.

Hope it's helpful.

Azhari
Babybenz 1991 190e 1.8
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84' 190E 2.3 quits need help.-ovp.jpg  
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  #6  
Old 04-02-2003, 03:59 AM
azhari
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Better pic?

It this photo better?

Azhari
Babybenz 1991 190e 1.8
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84' 190E 2.3 quits need help.-ovp3.jpg  
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  #7  
Old 04-02-2003, 04:08 AM
azhari
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Taking it out...

Sunil

In order to swap out the OVP, I removed the control module (the big black badass located to its right) which slides out toward you at a 45 degree angle. Just pull it out and put it to the side and you have access to the OVP.

Azhari
Babybenz 1991 190e 1.8
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  #8  
Old 04-02-2003, 04:09 AM
sunil190e-1.8's Avatar
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Join Date: Jun 2002
Location: uk
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azhari,

thanks for quick and helpful pics.

will have a look at mine later.

mine is a 1993 1.8-the last yerar before they were superceded by the w202 c180 .
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  #9  
Old 04-02-2003, 12:23 PM
azhari
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Nobleone

Model and year?

For your info, I swapped out the Fuel Pump Relay coz I had an intermittent stalling problem when braking to a stop from high speeds.

Yes, it is the big black one with round pins, and is the one closer to the battery.It has the word "kickdown" printed on the label.They are known to go bad coz the original ones are not well sealed - moisture gets in...

And by the way, my battery is also on the passenger's side.

After the swap, the problem still existed for about 1 to 2 weeks.Then it disappeared for good. This was about 3 months ago and I have never had a stalling incident since. My car used to have a stall at least once a week, sometimes up to 2 times in one day.

I was skeptical about solving my stalling problem by swapping the Fuel Pump Relay coz it didn't go away instantly.Now, I believe that was the fix.

The part cost me about 85 Singapore Dollars (approx. USD50).Merc parts are cheap here...



Good luck and let us know if you need more info.

Azhari
Babybenz 1991 190e 1.8
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  #10  
Old 04-02-2003, 12:34 PM
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Join Date: Apr 2003
Location: wisconsin
Posts: 9
magic wand

1984 190E 2.3 8valve Yesterday afternoon i drove the car went about half a mile did a hard left turning around and it quit started right back up drove another half mile quit three more times. now i drove ten miles last night and this morning and had no problems. this is the first morning without a quit. the car aparently has been parked for some. time the pictures on reply are very help full thanks.but my battery is on the passinger side is the fuel pump relay the larger black one with the round pins?if it is when it is running and i pull it it quits but not as fast like it is running off fuel presure.the quit i am having is like unpluging green wire from what i think is a ignition module near coil. any help would be great. thanks agian

Last edited by nobleone; 04-02-2003 at 04:20 PM.
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