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Old 10-03-2009, 10:37 PM
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Join Date: Aug 2009
Posts: 4
Thanks to all for OVP posts saved mucho dinero

After reading multiple posts about the relationship between the OVP relay and performance, I decided to check the relay on my 85 380 sl.
I had been experiencing hesitation and lack of performance at start up and during warm starts. Driving performance was also mediocre.
Low and behold the fuse on my OVP relay was blown and for $2.99 my problem was solved. A mechanic estimated $1,500 to replace my fuel distributer!
Clues are ABS light on dash and performance issues. Relay is located above fuse box on wall just below glove box underpanel. Mine was silver with a red top which is the fuse holder.
There was an immediate improvement in night and day.
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Old 10-06-2009, 11:03 AM
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Join Date: Nov 2007
Posts: 49
I'd say "night and day" is an understatement
As I've said before, goodness knows how may dollars and hours have been wasted chasing gremlins that are simply traced back to a blown OVP fuse. And unfortunately, the fuse blows more often than not when jumping the car. On the 560s, the ABS light is a clue -- but not on the 380s. Glad to see things worked out for you.
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Old 10-07-2009, 03:54 PM
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Join Date: Aug 2004
Location: Southold, NY
Posts: 257
On the 380SL OVP problems can result in constant ABS light activation as well as a neutral idle speed of 15-1800 rpm.
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Old 10-08-2009, 12:45 PM
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Join Date: Nov 2007
Posts: 49
Originally Posted by ejboyd5 View Post
On the 380SL OVP problems can result in constant ABS light activation as well as a neutral idle speed of 15-1800 rpm.
Ah yes . . . I had assumed that ABS was not yet available in the 380 era, but I guess it was. I have to use the Fred Flintstone method to stop my 83 Thanks.
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