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Old 10-29-2002, 08:27 PM
JimSmith JimSmith is offline
Join Date: Jul 2001
Location: Old Lyme, Connecticut
Posts: 3,596

On my 300E I had the same problem. These two items are on the same fuse. After a few fuse replacements that lasted what seemed like random time intervals, I began an investigation and it turned out the horn wires were rubbing against the air conditioner condensor fins. When you beeped the horn these wires would short, depending on how well they were making contact at the moment and blow the fuse. Pulling them away from the condensor and wrapping them in electrical tape did the trick. Hope this helps and good luck, Jim
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles

1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)
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