changing the fuses can save you lots of $$$ - Page 2 - Mercedes-Benz Forum

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post #11 of 37 (permalink) Old 08-07-2007, 11:47 AM Thread Starter
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Originally Posted by JOE55
I don't know everything but I am not taking your word for it.

First of all the Fuse break first before any major component get damage.

In electronics and electrical engineering a fuse, short for 'fusible link', is a type of overcurrent protection device. Its essential component is a metal wire or strip that melts when too much current flows. When the metal strip melts, it opens the circuit of which it is a part, and so protects the circuit from excessive current.
A practical fuse was one of the essential features of Edison's electrical power distribution system. An early fuse was said to have successfully protected an Edison installation from tampering by a rival gas-lighting concern.
Fuses (and other overcurrent devices) are an essential part of a power distribution system to prevent fire or damage. When too much current flows through a wire, it may overheat and be damaged, or even start a fire. Wiring regulations give the maximum rating of a fuse for protection of a particular circuit. Local authorities will incorporate national wiring regulations as part of law. Fuses are selected to allow passage of normal currents, but to quickly interrupt a short circuit or overload condition.

Fuse (electrical - Wikipedia, the free encyclopedia)

so I take it you never seen a fusebox catch on fire?

I have..
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post #12 of 37 (permalink) Old 08-07-2007, 11:53 AM
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Quote:
Originally Posted by JOE55
I don't know everything but I am not taking your word for it.

First of all the Fuse break first before any major component get damage.
I refuse to accept that.

"If spending money you don't have is the height of stupidity, borrowing money to give it away is the height of insanity." -- anon
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post #13 of 37 (permalink) Old 08-07-2007, 12:23 PM
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You have a point but normally fuse is the one that fails first...just my .02 cents

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post #14 of 37 (permalink) Old 08-07-2007, 12:29 PM Thread Starter
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You have a point but normally fuse is the one that fails first...just my .02 cents
fair enough...

because one thing I know is... when a fuse gets too old and somehow "fuses" to the metal it's plugged into, that is a potential fire if one is not careful removing it. and MB fuses don't look burned or old which is odd...so I plan to change em out every 6 months to be on the safer side.
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post #15 of 37 (permalink) Old 08-07-2007, 12:51 PM
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I plan to change em out every 6 months to be on the safer side.
I've been around some car owners that are obsessive about maintenance, but I've never heard of anyone that would preemptively change his fuses every six months. That's a new one to me.
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post #16 of 37 (permalink) Old 08-07-2007, 12:58 PM
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Originally Posted by benz rider
so I take it you never seen a fusebox catch on fire?

I have..
There are only a couple of ways a fusebox can catch fire.

1. The wrong fuses (or a rolled up piece of tinfoil) are installed.
2. The cover is left open to the elements, allowing in moisture, dust, etc.
3. A fire elsewhere has spread to the fusebox.
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post #17 of 37 (permalink) Old 08-07-2007, 01:05 PM
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Originally Posted by benz rider
fair enough...

because one thing I know is... when a fuse gets too old and somehow "fuses" to the metal it's plugged into, that is a potential fire if one is not careful removing it. and MB fuses don't look burned or old which is odd...so I plan to change em out every 6 months to be on the safer side.
Now this is just silly. A fuse can "fuse" to its bracket if it corrodes, which normally doesn't happen on modern cars because the fuseboxes are sealed from the outside elements. Even so, how on earth could removing a corroded fuse start a fire?

I suppose if the car was running, and the fuse's circuit was under electrical load, the fuse could arc when you pulled it out. I guess if your pliers (or the fuse box) were soaked in gasoline, the spark could produce a fire.

But I think anyone who is changing fuses with gasoline-soaked pliers while the car is running is probably used to dealing with fires.
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post #18 of 37 (permalink) Old 08-07-2007, 01:12 PM Thread Starter
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age and elements say sealed fuseboxes be damned.
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post #19 of 37 (permalink) Old 08-07-2007, 01:39 PM
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I think benz owners that change their fuses every six months are either on pedestals or are trailor queens.

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post #20 of 37 (permalink) Old 08-07-2007, 02:16 PM
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Quote:
Originally Posted by benz rider
fair enough...

because one thing I know is... when a fuse gets too old and somehow "fuses" to the metal it's plugged into, that is a potential fire if one is not careful removing it. and MB fuses don't look burned or old which is odd...so I plan to change em out every 6 months to be on the safer side.
I just talk to my SA @ MB of SF he said only replace the fuse if it's bad - you do not need to replace all the fuse if the fuse are okay otherwise it should be included in SERVICE B.

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