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Old 10-02-2007, 02:14 PM
CamelotShadow's Avatar
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Join Date: Aug 2007
Location: Valley Village, CA
Posts: 1,163
OVR nice pic

Originally Posted by Cap'n Carageous View Post
Just for references, heres the star of the show;
Good to see inside the lil devil...

My old ovr MB # 126 5404745 likely 4/82
has only 4 prongs & a plastic


There is a rattle intermiitant in it

Replaced w new one made inHungary last night

not sure if its good or not but w 196K on it it might be getting old?

If its just a fuse as has been said why would it cause all those problems?

Anyway got a new one & hope its a good one...


83 500 SEC Euro 198K
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Old 11-06-2007, 01:57 PM
forkintheforest's Avatar
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Join Date: May 2006
Location: Homestead, fl
Posts: 34
So, on a 300D (w123) where exactly is this lil' bugger located?
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Old 12-30-2008, 02:29 AM
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Join Date: Feb 2008
Location: Desoto, TX
Posts: 7
OVP WOW!! Little **** sure does alot..

I can't get over how many people and how many headaches this little device causes. I hate to beat a dead horse but....

How does all this information apply to a Diesel? 87 300D - I found my fuse blown, replaced the fuse but can't really see a difference. My Tach and CC are still inop.

All those that sent help via this forum! Wow.. I'm impressed and thank you very, very much. This is my first Benz and as a seasoned mechanic but having never worked on a merc I must admit that I'm not only impressed with the so called over-engineering but I'm absolutely in love with these cars from a mechanics point of view. There's few parts that can't be fixed with a little know how and some help from what seems to be a very enthusiastic brotherhood.
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Old 12-30-2008, 05:16 PM
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Join Date: Jul 2008
Posts: 1,236

Thanks for the extremely informative post on the early lambda controls, closed loop operation, etc.. Good stuff, man!


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