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Car Forum / Mercedes-Benz Cars / August 2006Alternator / regulator **repair **
Although this article is written about a W126 it applies to a few other models too. In a nutshell a "broken alternator" is 9 times out of 10 simply a regulator whose carbon brushes need to be renewed. Here's how: http://articles.mbz.org/electric/reg-repair/ Cheers,  SignatureNeed Mercedes parts? http://parts.mbz.org Richard Sexton | Mercedes stuff: http://mbz.org 1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net 633CSi 250SE/C 300SD | http://aquaria.net http://killi.net ..... I'm suprised that an 80's vehicle still has brushes in it's alternator. Didn't virtually all vehicles have brushless alternators at this time? cheers, guenter >Although this article is written about a W126 it applies to a few other models >too. In a nutshell a "broken alternator" is 9 times out of 10 simply a regulator [quoted text clipped - 5 lines] > >Cheers, >..... I'm suprised that an 80's vehicle still has brushes in it's alternator. >Didn't virtually all vehicles have brushless alternators at this time? I believe it carried over onto soem cars into the early 90s. SignatureNeed Mercedes parts? http://parts.mbz.org Richard Sexton | Mercedes stuff: http://mbz.org 1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net 633CSi 250SE/C 300SD | http://aquaria.net http://killi.net I find that after the second regulator you put in... the alternator won't last much longer... the voltage keep dropping. However, it takes about 5 years between each regulator change... >I find that after the second regulator you put in... the alternator won't >last much longer... the voltage keep dropping. However, it takes about 5 >years between each regulator change... Well I have one year to go then. But at 15 minutes and fifty cents a year I'm not gonna sweat it :-) SignatureNeed Mercedes parts? http://parts.mbz.org Richard Sexton | Mercedes stuff: http://mbz.org 1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net 633CSi 250SE/C 300SD | http://aquaria.net http://killi.net Got that dreaded alternator bearing noise on my 1986 300E this morning. Does anyone know what size bearings the alternator takes (or possibly what the part numbers are)? Any help would be appreciated. Regards, Michael B. >>I find that after the second regulator you put in... the alternator won't >>last much longer... the voltage keep dropping. However, it takes about 5 [quoted text clipped - 7 lines] > 1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net > 633CSi 250SE/C 300SD | http://aquaria.net http://killi.net
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