[W126 Coupe] BOSCH in a BOX

[Dick Spellman]

Hi Mike,

Well everything is tight, no loose grounds or high-side connections.  
This is the 3rd MB with this problem and the 5th reman. alternator.  
Just dampens the weeks travels a bit.

See ya,

Dick

Mike

Mike R. wrote:

> I found a local rebuilder in Vegas that seems to be doing just fine 

> rebuilding mine. But... I had two of his die because of something I 

> did. I put in the dual electric fans in place of the engine driven 

> viscous clutched fan (significant improvement in cooling, BTW). I 

> didn't properly tighten the power connection in the MB connector front 

> of the battery, on the engine side of the secondary firewall, and it 

> came loose just a little. That 28-amp fan load was allowed to get 

> intermittent, which spiked and drove the regulator to failure. Once I 

> tightened it and put on a fresh alternator, all is well.

>

> I mentioned all that to suggest that it might be a good idea to check 

> your high current load wiring connections. Could be bad alternators, 

> could be loose high current loads spiking the regulator. YMMV :-)

>

> Later,

> Mike R

> ----- Original Message ----- From: "Dick Spellman" <spell.yy at verizon.net>

> To: "Mercedes Coupes Mailing Lists" <mbcoupes at mbcoupes.com>

> Sent: Monday, July 07, 2008 5:56 PM

> Subject: [W126 Coupe] BOSCH in a BOX

>

>

>> I just am compelled to report on this continuing fiasco once again.

>>

>> It may have been a year or so but, once again BOSCH in a Box 

>> Alternators are crap!

>>

>> This one failed at 10k miles, I've reported on two previous failures 

>> and their respective mileages.  All below 35k as I recall.

>>

>> This really puts a damper on zero-clocking these older MB's where the 

>> replacement is not anywhere near as reliable as the original with 150 

>> k or better in every case.

>>

>> Lifetime warranty means nothing when this kind of failure is often 

>> followed with a tow-truck, down-time on your travel and/or job, 

>> whatever and really makes you think before doing any kind of regional 

>> travel.  I typically run from Boston to DC and parts in between in 

>> the 300SE's.  This time, I saw the crap indicators all lit up in my 

>> driveway so not so bad but, I'm unpacking the Benz and renting a car 

>> as a result.

>>

>> A real turn-off where all of my set-ups are lost to me in a rental 

>> for sound, laptop, pda, sat and nav not to mention the comfort and ride.

>>

>> Just another Bosch in a Box story.  Too bad there is no alternative 

>> because I've had it with Bosch's bs remans.

>>

>> Dick

>

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